WATER-COOLED LIQUID CHILLERS                                                  HERMETIC SCROLLINSTALLATION, OPERATION, MAIN...
Form 201.26-NM1 (608)                                     IMPORTANT!                         READ BEFORE PROCEEDING!      ...
Form 201.26-NM1 (608)                             CHANGEABILITY OF THIS DOCUMENTIn complying with JOHNSON CONTROLS’s polic...
Form 201.26-NM1 (608)                                                          TABLE OF CONTENTSSECTION 1 – GENERAL CHILLE...
Form 201.26-NM1 (608)                                             TABLE OF CONTENTS (CONT’D)SECTION 4 – INSTALLATION ........
Form 201.26-NM1 (608)                                              TABLE OF CONTENTS (CONT’D)    PHYSICAL DATA - STANDARD ...
Form 201.26-NM1 (608)                                             TABLE OF CONTENTS (CONT’D)    PREPARATION – POWER ON ......
Form 201.26-NM1 (608)                                              TABLE OF CONTENTS (CONT’D)    “SETPOINTS” KEYS ...........
Form 201.26-NM1 (608)                                                         TABLE OF CONTENTS    CHECKING INPUTS AND OUT...
Form 201.26-NM1 (608)                                                          LIST OF TABLES     TABLE 1 – CONDENSER / CO...
Form 201.26-NM1 (608)                                                        LIST OF FIGURES   FIG. 1 - YCWL WATER COOLED ...
Form 201.26-NM1 (608)     This page intentionally left blank12                                        JOHNSON CONTROLS
Form 201.26-NM1 (608)            SECTION 1 – GENERAL CHILLER INFORMATION & SAFETYINTRODUCTION                             ...
General Chiller Introduction & Safety                                                                                     ...
Form 201.26-NM1 (608)High Temperature and Pressure CleaningHigh temperature and pressure cleaning methods(e.g. steam clean...
Form 201.26-NM1 (608)     This page intentionally left blank16                                        JOHNSON CONTROLS
Form 201.26-NM1 (608)                             SECTION 2 – PRODUCT DESCRIPTION   1.   COMPRESSOR   2.   COOLER         ...
Product Description                                                                                                Form 20...
Form 201.26-NM1 (608)   • Remote water temperature reset via a pulse width      • Load & unload timer status     modulated...
Product Description                                                                                               Form 201...
Form 201.26-NM1 (608)CHILLER OPTIONS                                                VIBRATION ISOLATIONFinal Paint Overspr...
Product Description                                                         Form 201.26-NM1 (608)                   CONTRO...
Form 201.26-NM1 (608)               CONTROL / POWER PANEL COMPONENTS (CONT.)                                              ...
Product Description                                                                    Form 201.26-NM1 (608)              ...
Form 201.26-NM1 (608)                          UNIT COMPONENTS (CONT.)                                                    ...
Product Description                                                                     Form 201.26-NM1 (608)             ...
Form 201.26-NM1 (608)  FEATURE           DESCRIPTION        OPTION                DESCRIPTION    UNIT     UNIT DESIGNATOR ...
Product Description                                                                                     Form 201.26-NM1 (6...
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Manual do chiller York  com condensação a agua ycwl
Upcoming SlideShare
Loading in …5
×

Manual do chiller York com condensação a agua ycwl

5,461 views

Published on

Published in: Business, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
5,461
On SlideShare
0
From Embeds
0
Number of Embeds
5
Actions
Shares
0
Downloads
114
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Manual do chiller York com condensação a agua ycwl

  1. 1. WATER-COOLED LIQUID CHILLERS HERMETIC SCROLLINSTALLATION, OPERATION, MAINTENANCE Replaces 201.26-NM1 (308) Form 201.26-NM1 (608) 035-21965-101 YCWL0056 -0156 WATER-COOLED LIQUID CHILLERS STYLE A (60 Hz) 50 - 150 TONS 175kW THROUGH 530kW
  2. 2. Form 201.26-NM1 (608) IMPORTANT! READ BEFORE PROCEEDING! GENERAL SAFETY GUIDELINESThis equipment is a relatively complicated apparatus. which it is situated, as well as severe personal injury orDuring installation, operation, maintenance or service, death to themselves and people at the site.individuals may be exposed to certain components orconditions including, but not limited to: refrigerants, This document is intended for use by owner-authorizedoils, materials under pressure, rotating components, operating/service personnel. It is expected that thisand both high and low voltage. Each of these items individual possesses independent training that willhas the potential, if misused or handled improperly, to enable them to perform their assigned tasks properlycause bodily injury or death. It is the obligation and and safely. It is essential that, prior to performing anyresponsibility of operating/service personnel to identify task on this equipment, this individual shall have readand recognize these inherent hazards, protect themselves, and understood this document and any referencedand proceed safely in completing their tasks. Failure to materials. This individual shall also be familiar with andcomply with any of these requirements could result in comply with all applicable governmental standards andserious damage to the equipment and the property in regulations pertaining to the task in question. SAFETY SYMBOLS The following symbols are used in this document to alert the reader to areas of potential hazard: DANGER indicates an imminently CAUTION identifies a hazard which hazardous situation which, if not could lead to damage to the machine, avoided, will result in death or serious damage to other equipment and/or injury. environmental pollution. Usually an instruction will be given, together with a brief explanation. WARNING indicates a potentially NOTE is used to highlight additional haz ard ous sit u a tion which, if not information which may be helpful to avoided, could result in death or se- you. rious injury. External wiring, unless specified as an optional connection in the manufacturer’s product line, is NOT to be connected inside the micro panel cabinet. Devices such as relays, switches, transducers and controls may NOT be installed inside the panel. NO external wiring is allowed to be run through the micro panel. All wiring must be in accordance with JOHN- SON CONTROLS’s published specifications and must be performed ONLY by qualified JOHNSON CONTROLS personnel. JOHNSON CONTROLS will not be responsible for damages/problems resulting from improper connections to the controls or application of improper control signals. Failure to follow this will void the manufacturer’s warranty and cause serious damage to property or injury to persons.2 JOHNSON CONTROLS
  3. 3. Form 201.26-NM1 (608) CHANGEABILITY OF THIS DOCUMENTIn complying with JOHNSON CONTROLS’s policy for continuous product improvement, the information containedin this document is subject to change without notice. While JOHNSON CONTROLS makes no commitment to updateor provide current information automatically to the manual owner, that information, if applicable, can be obtainedby contacting the nearest YORK Engineered Systems Service office.It is the responsibility of operating/service personnel to verify the applicability of these documents to the equipment inquestion. If there is any question in the mind of operating/service personnel as to the applicability of these documents,then prior to working on the equipment, they should verify with the owner whether the equipment has been modifiedand if current literature is available.JOHNSON CONTROLS 3
  4. 4. Form 201.26-NM1 (608) TABLE OF CONTENTSSECTION 1 – GENERAL CHILLER INFORMATION & SAFETY........................................ 13 INTRODUCTION .........................................................................................................................................13 WARRANTY ................................................................................................................................................13 SAFETY .......................................................................................................................................................13 Standards for Safety ...........................................................................................................................13 Responsibility for Safety ....................................................................................................................14 MISUSE OF EQUIPMENT ...........................................................................................................................14 Suitability for Application ...................................................................................................................14 Structural Support ...............................................................................................................................14 Mechanical Strength ..........................................................................................................................14 General Access ....................................................................................................................................14 Pressure Systems ...............................................................................................................................14 Electrical...............................................................................................................................................14 Rotating Parts ......................................................................................................................................14 Sharp Edges.........................................................................................................................................14 Refrigerants and Oils ..........................................................................................................................14 High Temperature and Pressure Cleaning ........................................................................................15 Emergency Shutdown .........................................................................................................................15SECTION 2 – PRODUCT DESCRIPTION ........................................................................... 17 INTRODUCTION .........................................................................................................................................17 COMPRESSORS .........................................................................................................................................17 REFRIGERANT CIRCUITS .........................................................................................................................17 EVAPORATOR ............................................................................................................................................18 CONDENSER ..............................................................................................................................................18 REFRIGERANT CIRCUIT ...........................................................................................................................18 MILLENNIUM CONTROL CENTER ............................................................................................................18 POWER PANEL ..........................................................................................................................................19 ACCESSORIES AND OPTIONS .................................................................................................................20 Power Options .....................................................................................................................................20 Controls Options .................................................................................................................................20 Heat Exchanger Options .....................................................................................................................20 Chiller Options .....................................................................................................................................21 Vibration Isolation ...............................................................................................................................21 CONTROL / POWER PANEL COMPONENTS ...........................................................................................22 UNIT COMPONENTS ..................................................................................................................................24 PRODUCT IDENTIFICATION NUMBER (PIN)............................................................................................26 REFRIGERANT FLOW ..............................................................................................................................31SECTION 3 – TRANSPORTATION, HANDLING AND STORAGE ..................................... 33 DELIVERY AND STORAGE ........................................................................................................................33 INSPECTION ...............................................................................................................................................33 MOVING THE UNIT .....................................................................................................................................33 Lifting by Crane / Hoist .......................................................................................................................33 LIFTING WEIGHTS .....................................................................................................................................344 JOHNSON CONTROLS
  5. 5. Form 201.26-NM1 (608) TABLE OF CONTENTS (CONT’D)SECTION 4 – INSTALLATION ............................................................................................. 35 INSTALLATION CHECKLIST......................................................................................................................35 LOCATION REQUIREMENTS ....................................................................................................................35 UNIT ISOLATION (Noise Sensitive Location) ..........................................................................................35 FOUNDATION .............................................................................................................................................35 INSTALLATION OF VIBRATION ISOLATORS ..........................................................................................36 PIPEWORK CONNECTION ........................................................................................................................36 General Requirements ........................................................................................................................36 WATER TREATMENT .................................................................................................................................38 Glycol Solutions ..................................................................................................................................38 OPTION FLANGES .....................................................................................................................................38 REFRIGERANT RELIEF VALVE PIPING....................................................................................................38 CONDENSER COOLING LIQUID SYSTEMS .............................................................................................38 Direct Pressure Control (by others)...................................................................................................39 Inlet Temperature Control (by others) ...............................................................................................39 PIPEWORK ARRANGEMENT ....................................................................................................................40 CONNECTION TYPES & SIZES .................................................................................................................40 Cooler Connections ............................................................................................................................40 ELECTRICAL CONNECTION .....................................................................................................................41 Remote Emergency Stop Device (QRRSB) .......................................................................................41 COMMON INPUT SECTION WIRING .........................................................................................................41 Chilled Liquid Pump (CLP) (Evaporator Pump Start Contacts) ......................................................41 Common Run Signal (CRS) (System run Contacts) .........................................................................41 FIELD WIRING ............................................................................................................................................41 CONTROL PANEL WIRING ........................................................................................................................42 Flow Switch (SF) ..................................................................................................................................42 POWER WIRING .........................................................................................................................................42 Units with Single-Point Power Supply Wiring ..................................................................................43 Units with Multi Point Power Supply Wiring .....................................................................................43 Control Transformer Primary Voltage Tappings ...............................................................................43 COMPRESSOR HEATERS .........................................................................................................................43 RELIEF VALVES .........................................................................................................................................43 HIGH PRESSURE CUTOUT .......................................................................................................................43 CONTROL WIRING .....................................................................................................................................44SECTION 5 – TECHNICAL DATA ....................................................................................... 45 OPERATIONAL LIMITATIONS (ENGLISH) ................................................................................................45 Temperatures and Flows ....................................................................................................................45 Voltage Limitations ..............................................................................................................................45 OPERATIONAL LIMITATIONS (SI) .............................................................................................................46 Temperatures and Flows ....................................................................................................................46 Voltage Limitations ..............................................................................................................................46 PRESSURE DROP CHARTS ......................................................................................................................47 ETHYLENE & PROPOLYNE GLYCOL CORRECTION FACTORS ............................................................49 Evaporator Pressure Drop ..................................................................................................................49JOHNSON CONTROLS 5
  6. 6. Form 201.26-NM1 (608) TABLE OF CONTENTS (CONT’D) PHYSICAL DATA - STANDARD & HIGH EFFICIENCY - ENGLISH ..........................................................50 PHYSICAL DATA - STANDARD & HIGH EFFICIENCY - SI .......................................................................52 ELECTRICAL DATA ....................................................................................................................................54 Standard Efficiency - w/o External Compressor Overloads ............................................................54 High Efficiency w/o External Compressor Overloads......................................................................56 Standard Efficiency w/ Optional External Compressor Overloads.................................................58 High Efficiency w/ Optional External Compressor Overloads ........................................................60 Single-point Supply Connection – Terminal Block, Non-fused Disconnect Switch or Circuit Breaker....................................................................................................................62 ELECTRICAL NOTES AND LEGEND ........................................................................................................64 GROUND WIRE SIZING ..............................................................................................................................65 ELEMENTARY WIRING DIAGRAM ............................................................................................................66 CONNECTION WIRING DIAGRAM ............................................................................................................72 ELEMENTARY WIRING DIAGRAM DETAILS ............................................................................................76 UNIT DIMENSIONS - ENGLISH ..................................................................................................................80 UNIT DIMENSIONS - SI ..............................................................................................................................82 ISOLATOR INFORMATION FOR UNITS SHIPPED ON OR AFTER JUNE 15, 2008 ................................84 Isolator Selection Data ........................................................................................................................84 One Inch Deflection Spring Isolators Cross-reference ....................................................................86 One Inch Deflection Spring Isolators Installation Instructions .......................................................87 Neoprene Isolator Cross-reference ...................................................................................................88 Installation of Neoprene Vibration Isolators .....................................................................................89 Seismic Isolator Cross-reference ......................................................................................................90 Seismic Isolator Installation and Adjustment ...................................................................................91 ISOLATOR INFORMATION FOR UNITS SHIPPED BEFORE JUNE 15, 2008 ..........................................92 Isolator Selection Data ........................................................................................................................92 One Inch Deflection Spring Isolators Cross-reference ....................................................................94 Installation of 1” Deflection Mounts ..................................................................................................95 Neoprene Isolator Cross-reference ...................................................................................................96 SLRS Seismic Deflection Spring Isolator Cross-reference .............................................................97 SLRS Seismic Isolator Installation and Adjustment ........................................................................98SECTION 6 – COMMISSIONING......................................................................................... 99 COMMISSIONING .......................................................................................................................................99 PREPARATION – POWER OFF..................................................................................................................99 Inspection ............................................................................................................................................99 Refrigerant Charge ..............................................................................................................................99 Service and Oil Line Valves ................................................................................................................99 Compressor Oil....................................................................................................................................99 Fans .....................................................................................................................................................99 Isolation / Protection ...........................................................................................................................99 Control Panel .......................................................................................................................................99 Power Connections .............................................................................................................................99 Grounding ............................................................................................................................................99 Supply Voltage ...................................................................................................................................1006 JOHNSON CONTROLS
  7. 7. Form 201.26-NM1 (608) TABLE OF CONTENTS (CONT’D) PREPARATION – POWER ON .................................................................................................................100 Switch Settings ..................................................................................................................................100 Compressor Heaters .........................................................................................................................100 Water System .....................................................................................................................................100 Flow Switch ........................................................................................................................................100 Temperature Sensor(s) .....................................................................................................................100 EQUIPMENT STARTUP CHECKLIST ......................................................................................................101 Checking The System Prior To Initial Start (No Power) .................................................................101 Unit Checks ....................................................................................................................................101 Compressor Heaters (Power On – 24 Hours Prior To Start) ..........................................................101 Panel Checks (Power On – UNIT switch Off) ..................................................................................101 CHECKING SUPERHEAT AND SUBCOOLING .......................................................................................103 LEAK CHECKING .....................................................................................................................................103 UNIT OPERATING SEQUENCE ...............................................................................................................104SECTION 7 – UNIT CONTROLS ....................................................................................... 105 INTRODUCTION .......................................................................................................................................105 IPU II and I/O Boards .........................................................................................................................105 Unit switch .........................................................................................................................................106 Display ................................................................................................................................................106 Keypad................................................................................................................................................106 Battery Back-up .................................................................................................................................106 Transformer .......................................................................................................................................106 Single System Select and Programming # of Compressors ........................................................106 “STATUS” KEY .........................................................................................................................................107 Unit Status..........................................................................................................................................107 General Status Messages .................................................................................................................107 Fault Safety Status Messages ..........................................................................................................109 Unit Warning ...................................................................................................................................... 111 Status Key Messages ........................................................................................................................112 DISPLAY/PRINT KEYS .............................................................................................................................113 Oper Data Key .................................................................................................................................... 113 Oper Data Quick Reference List.......................................................................................................116 Print Key ............................................................................................................................................. 117 Operating Data Printout ....................................................................................................................117 History Printout ................................................................................................................................. 118 History Displays ................................................................................................................................ 118 Software Version ...............................................................................................................................120 “ENTRY” KEYS.........................................................................................................................................121 Up and Down Arrow Keys .................................................................................................................121 Enter/adv Key.....................................................................................................................................121JOHNSON CONTROLS 7
  8. 8. Form 201.26-NM1 (608) TABLE OF CONTENTS (CONT’D) “SETPOINTS” KEYS ................................................................................................................................122 Cooling Setpoints ..............................................................................................................................122 Leaving Chilled Liquid Control ........................................................................................................122 Return Chilled Liquid Control ..........................................................................................................123 Remote Setpoint Control ..................................................................................................................123 SCHEDULE/ADVANCE DAY KEY ............................................................................................................123 PROGRAM KEY ........................................................................................................................................125 System Trip Volts...............................................................................................................................126 Unit Trip Volts ....................................................................................................................................127 “UNIT” KEYS ...........................................................................................................................................129 Options Key .......................................................................................................................................129 CLOCK ......................................................................................................................................................133SECTION 8 – UNIT OPERATION ...................................................................................... 135 CAPACITY CONTROL ..............................................................................................................................135 SUCTION PRESSURE LIMIT CONTROLS ..............................................................................................135 DISCHARGE PRESSURE LIMIT CONTROLS .........................................................................................135 LEAVING CHILLED LIQUID CONTROL ...................................................................................................135 LEAVING CHILLED LIQUID SYSTEM LEAD/LAG AND COMPRESSOR SEQUENCING .....................136 LEAVING CHILLED LIQUID CONTROL OVERRIDE TO REDUCE CYCLING ........................................136 RETURN CHILLED LIQUID CONTROL....................................................................................................137 RETURN CHILLED LIQUID SYSTEM LEAD/LAG AND COMPRESSOR SEQUENCING ......................138 ANTI-RECYCLE TIMER ............................................................................................................................139 ANTI-COINCIDENCE TIMER ....................................................................................................................139 EVAPORATOR PUMP CONTROL & YORK HYDRO KIT PUMP CONTROL ..........................................139 EVAPORATOR HEATER CONTROL ........................................................................................................139 PUMPDOWN CONTROL ..........................................................................................................................139 LOAD LIMITING ........................................................................................................................................140 COMPRESSOR RUN STATUS .................................................................................................................140 ALARM STATUS .......................................................................................................................................140 EMS-PWM REMOTE TEMPERATURE RESET ........................................................................................140 BAS/EMS TEMPERATURE RESET USING A VOLTAGE OR CURRENT SIGNAL ................................141SECTION 9 – SERVICE AND TROUBLESHOOTING....................................................... 143 CLEARING HISTORY BUFFERS .............................................................................................................143 SERVICE MODE .......................................................................................................................................143 SERVICE MODE – OUTPUTS ..................................................................................................................143 SERVICE MODE – CHILLER CONFIGURATION .....................................................................................144 SERVICE MODE – ANALOG & DIGITAL INPUTS ...................................................................................144 CONTROL INPUTS/OUTPUTS .................................................................................................................145 MICROBOARD LAYOUT ..........................................................................................................................1468 JOHNSON CONTROLS
  9. 9. Form 201.26-NM1 (608) TABLE OF CONTENTS CHECKING INPUTS AND OUTPUTS .......................................................................................................147 Digital Inputs ......................................................................................................................................147 Analog Inputs – Temperature ...........................................................................................................147 Liquid & Refrigerant Sensor Test Points ........................................................................................148 Analog Inputs – Pressure .................................................................................................................149 Digital Outputs ...................................................................................................................................150 OPTIONAL PRINTER INSTALLATION .....................................................................................................151 Parts....................................................................................................................................................151 Assembly and Wiring ........................................................................................................................151 Obtaining a Printout ..........................................................................................................................151 TROUBLESHOOTING ..............................................................................................................................152SECTION 10 – MAINTENANCE ........................................................................................ 155 IMPORTANT ..............................................................................................................................................155 COMPRESSORS .......................................................................................................................................155 Oil Level check ..................................................................................................................................155 Oil Analysis ........................................................................................................................................155 OPERATING PARAMETERS ....................................................................................................................155 ON-BOARD BATTERY BACK-UP ............................................................................................................155 OVERALL UNIT INSPECTION .................................................................................................................155 ISN CONTROL ..........................................................................................................................................156 Received Data (Control Data) ...........................................................................................................156 Transmitted Data ...............................................................................................................................156 BACNET AND MODBUS DATA COMMUNICATION ................................................................................159 Serial Communication Analog Value Data ......................................................................................162 Serial Communication Binary Value Data .......................................................................................162 Serial Communication Analog Input Data .......................................................................................162 Serial Communication Binary Input Data ........................................................................................164 TEMPERATURE CONVERSION CHART .................................................................................................165 R410-A PRESSURE TEMPERATURE CHART ........................................................................................166JOHNSON CONTROLS 9
  10. 10. Form 201.26-NM1 (608) LIST OF TABLES TABLE 1 – CONDENSER / COOLER CONNECTIONS .............................................................................41 TABLE 2 – TEMPERATURES AND FLOWS ..............................................................................................45 TABLE 3 – VOLTAGE LIMITATIONS ..........................................................................................................45 TABLE 4 – TEMPERATURES AND FLOWS ..............................................................................................46 TABLE 5 – VOLTAGE LIMITATIONS ..........................................................................................................46 TABLE 6 – ETHYLENE & PROPOLYNE GLYCOL CORRECTION FACTORS .........................................49 TABLE 7 - RECOMMENDED GLYCOL SOLUTION STRENGTHS ............................................................49 TABLE 8 – MICRO PANEL POWER SUPPLY ............................................................................................63 TABLE 9 – VOLTAGE RANGE (LIMITATIONS)..........................................................................................63 TABLE 10 – SETPOINTS ENTRY LIST ....................................................................................................102 TABLE 11 – STATUS KEY MESSAGES QUICK REFERENCE LIST ...................................................... 112 TABLE 12 – OPERATION DATA ...............................................................................................................116 TABLE 13 – COOLING SETPOINTS, PROGRAMMABLE LIMITS AND DEFAULTS .............................124 TABLE 14 – PROGRAM KEY LIMITS AND DEFAULT ............................................................................127 TABLE 15 – SETPOINTS QUICK REFERENCE LIST .............................................................................128 TABLE 16 – SAMPLE COMPRESSOR STAGING FOR RETURN WATER CONTROL ..........................137 TABLE 17 – RETURN CHILLED LIQUID CONTROL FOR 4 COMPRESSORS (6 STEPS)....................138 TABLE 18 – RETURN CHILLED LIQUID CONTROL FOR 4 COMPRESSORS (6 STEPS)....................138 TABLE 19 – COMPRESSOR OPERATION – LOAD LIMITING ...............................................................140 TABLE 20 – I/O DIGITAL INPUTS ............................................................................................................145 TABLE 21 – I/O DIGITAL OUTPUTS ........................................................................................................145 TABLE 22 – I/O ANALOG INPUTS ...........................................................................................................145 TABLE 23 – I/O ANALOG OUTPUTS .......................................................................................................145 TABLE 24 – ENTERING/LEAVING CHILLED LIQUID TEMP. SENSOR, TEMPERATURE/VOLTAGE CORRELATION .......................................................................148 TABLE 25 – PRESSURE TRANSDUCERS ..............................................................................................149 TABLE 26 – TROUBLESHOOTING ..........................................................................................................152 TABLE 27 – ISN RECEIVED DATA...........................................................................................................156 TABLE 28 – ISN TRANSMITTED DATA ...................................................................................................156 TABLE 29 – ISN OPERATIONAL AND FAULT CODES ...........................................................................158 TABLE 30 – MINIMUM, MAXIMUM AND DEFAULT VALUES .................................................................160 TABLE 31 – REAL TIME ERROR NUMBERS ..........................................................................................16110 JOHNSON CONTROLS
  11. 11. Form 201.26-NM1 (608) LIST OF FIGURES FIG. 1 - YCWL WATER COOLED LIQUID CHILLER .................................................................................17 FIG. 2 - CONTROL/PANEL COMPONENTS ..............................................................................................22 FIG. 3 - CONTROL POWER PANEL COMPONENTS ................................................................................23 FIG. 4 - UNIT COMPONENTS .....................................................................................................................24 FIG. 5 - CONTROL / POWER PANEL COMPONENTS DUAL SYSTEM UNITS .......................................25 FIG. 6 - REFRIGERANT FLOW DIAGRAM ................................................................................................31 FIG. 7 - REFRIGERANT FLOW DIAGRAM (CONT.) ..................................................................................32 FIG. 8 - CHILLER RIGGING & LIFTING WEIGHTS ...................................................................................34 FIG. 9 - VICTAULIC - ADAPTER FLANGES ..............................................................................................38 FIG. 10 - DIRECT PRESSURE CONTROL DIAGRAM ...............................................................................39 FIG. 10A - INLET TEMPERATURE CONTROL DIAGRAM ........................................................................39 FIG. 11 - CHILLED LIQUID SYSTEM .........................................................................................................40 FIG. 12 - CONDENSER COOLING LIQUID SYSTEM ................................................................................40 FIG. 13 - PIPEWORK ARRANGEMENTS LEGEND...................................................................................40 FIG. 14 - COOLER CONNECTIONS ...........................................................................................................40 FIG. 15 - CONTROL WIRING ......................................................................................................................44 FIG. 16 - EVAPORATOR WATER PRESSURE DROP CURVES (ENGLISH) ............................................47 FIG. 17 - CONDENSER WATER PRESSURE DROP CURVES (SI) ..........................................................48 FIG. 18 - GLYCOL SOLUTION STRENGTHS ............................................................................................49 FIG. 19 - SINGLE POINT POWER SUPPLY CONNECTION – STANDARD UNIT ....................................62 FIG. 20 - CONTROL CIRCUIT, 4 COMPRESSOR UNIT ............................................................................66 FIG. 21 - CONTROL CIRCUIT, 6 COMPRESSOR UNIT ............................................................................68 FIG. 22 - POWER CIRCUIT, 4 COMPRESSOR UNIT .................................................................................70 FIG. 23 - POWER CIRCUIT, 6 COMPRESSOR UNIT .................................................................................71 FIG. 24 - CONNECTION WIRING DIAGRAM, 4 COMPRESSOR UNIT .....................................................72 FIG. 25 - CONNECTION WIRING DIAGRAM, 6 COMPRESSOR UNIT .....................................................74 FIG. 26 - ELEMENTARY WIRING DIAGRAM DETAILS, 4 COMPRESSOR ..............................................76 FIG. 27 - ELEMENTARY WIRING DIAGRAM DETAILS, 6 COMPRESSOR ..............................................78 FIG. 28 - UNIT KEYS OPTIONS PROGRAMMING QUICK REFERENCE LIST ......................................134 FIG. 29 - LEAVING WATER TEMPERATURE CONTROL EXAMPLE .....................................................136 FIG. 30 - SETPOINT ADJUST...................................................................................................................136 FIG. 31 - MICROBOARD LAYOUT ...........................................................................................................146 FIG. 32 - I/O BOARD RELAY CONTACT ARCHITECTURE ...................................................................150 FIG. 33 - PRINTER TO MICROBOARD ELECTRICAL CONNECTIONS.................................................151JOHNSON CONTROLS 11
  12. 12. Form 201.26-NM1 (608) This page intentionally left blank12 JOHNSON CONTROLS
  13. 13. Form 201.26-NM1 (608) SECTION 1 – GENERAL CHILLER INFORMATION & SAFETYINTRODUCTION For warranty purposes, the following conditions mustYORK YCWL chillers are manufactured to the highest be satisfied:design and construction standards to ensure high • The initial start of the unit must be carried out 1performance, reliability and adaptability to all types of by trained personnel from an Authorized YORKair conditioning installations. Service Center. See Commissioning, page 99.The unit is intended for cooling water or glycol solutions • Only genuine YORK approved spare parts, oilsand is not suitable for purposes other than those specified and refrigerants must be used.in this manual.This manual contains all the information required for • All the scheduled maintenance operations detailedcorrect installation and commissioning of the unit, in this manual must be performed at the specifiedtogether with operating and maintenance instructions. times by suitably trained and qualified personnel.This manual should be read thoroughly before attempting See Maintenance Section, page 155.to operate or service the unit. • Failure to satisfy any of these conditions willAll procedures detailed in the manuals, including automatically void the warranty.installation, commissioning and maintenance tasks mustonly be performed by suitably trained and qualified SAFETYpersonnel. Standards for SafetyThe manufacturer will not be liable for any injury or YCWL chillers are designed and built within an ISOdamage caused by incorrect installation, commissioning, 9002 accredited design and manufacturing organization.operation or maintenance resulting from a failure to Products shall be designed, tested, rated and certifiedfollow the procedures and instructions detailed in the in accordance with, and installed in compliance withmanuals. applicable sections of the following Standards and Codes:WARRANTY 1. ANSI/ASHRAE Standard 15 – Safety Code forJohnson Controls warrants all equipment and materials Mechanical Refrigeration.against defects in workmanship and materials for 2. ASHRAE 90.1 – Energy Efficiency Compliance.a period of eighteen months from shipment unless 3. ANSI/NFPA – Standard 70 – National Electricalextended warranty has been purchased as part of the Code (N.E.C.)contract. 4. ASME Boiler & Pressure Vessel Code, SectionThe warranty is limited to parts only replacement and VIII, Division 1.shipping of any faulty part, or sub-assembly which has 5. ASHRAE 34 – Number Designation and Safetyfailed due to poor quality or manufacturing errors. All Classification of Refrigerants.claims must be supported by evidence that the failure 6. ARI Standard 550/590 – Positive Displacementhas occurred within the warranty period, and that the Compressors and Water Cooled Rotary Screwunit has been operated within the designed parameters Water-Chilling Packages.specified. Labor warranty may be purchased as part 7. Conform to UL code 1995 for construction of chill-of the contract. Labor warranty must be performed by ers and provide ETL/cETL listing label.JOHNSON technicians. 8. Manufactured in facility registered to ISO 9001.All warranty claims must specify the unit model, serial 9. OSHA – Occupied Safety and Health Act.number, order number and run hours/starts. These detailsare printed on the unit identification plate.The unit warranty will be void if any modification to theunit is carried out without prior written approval fromJohnson Controls.JOHNSON CONTROLS 13
  14. 14. General Chiller Introduction & Safety Form 201.26-NM1 (608)Responsibility for Safety Pressure SystemsEvery care has been taken in the design and manufacture The unit contains refrigerant vapor and liquid underof the unit to ensure compliance with the safety pressure, release of which can be a danger and causerequirements listed above. However, the individual injury. The user should ensure that care is taken duringoperating or working on any machinery is primarily installation, operation and maintenance to avoid damageresponsible for: to the pressure system. No attempt should be made to gain access to the component parts of the pressure • Personal safety, safety of other personnel, and the system other than by suitably trained and qualified machinery. personnel. Electrical • Correct utilization of the machinery in accordance with the procedures detailed in the manuals. The unit must be grounded. No installation or maintenance work should be attempted on the electricalMISUSE OF EQUIPMENT equipment without first switching power OFF, isolating and locking-off the power supply. Servicing andSuitability for Application maintenance on live equipment must only be performedThe unit is intended for cooling water or glycol solutions by suitably trained and qualified personnel. No attemptand is not suitable for purposes other than those specified should be made to gain access to the control panel orin these instructions. Any use of the equipment other electrical enclosures during normal operation of thethan its intended use, or operation of the equipment unit.contrary to the relevant procedures may result in injuryto the operator, or damage to the equipment. Rotating Parts Fan guards must be fitted at all times and not removedThe unit must not be operated outside the design unless the power supply has been isolated. If ductwork isparameters specified in this manual. to be fitted, requiring the wire fan guards to be removed, alternative safety measures must be taken to protectStructural Support against the risk of injury from rotating fans.Structural support of the unit must be provided asindicated in these instructions. Failure to provide proper Sharp Edgessupport may result in injury to the operator, or damage The fins on the air-cooled condenser coils have sharpto the equipment and/or building. metal edges. Reasonable care should be taken when working in contact with the coils to avoid the risk ofMechanical Strength minor abrasions and lacerations. The use of gloves isThe unit is not designed to withstand loads or stresses recommended.from adjacent equipment, pipework or structures.Additional components must not be mounted on the unit. Frame rails, brakes, and other components may also haveAny such extraneous loads may cause structural failure sharp edges. Reasonable care should be taken whenand may result in injury to the operator, or damage to working in contact with any components to avoid riskthe equipment. of minor abrasions and lacerations.General Access Refrigerants and OilsThere are a number of areas and features, which may Refrigerants and oils used in the unit are generallybe a hazard and potentially cause injury when working nontoxic, non-flammable and non-corrosive, and poseon the unit unless suitable safety precautions are taken. no special safety hazards. Use of gloves and safetyIt is important to ensure access to the unit is restricted glasses is, however, recommended when working on theto suitably qualified persons who are familiar with the unit. The build up of refrigerant vapor, from a leak forpotential hazards and precautions necessary for safe example, does pose a risk of asphyxiation in confined oroperation and maintenance of equipment containing enclosed spaces and attention should be given to goodhigh temperatures, pressures and voltages. ventilation.14 JOHNSON CONTROLS
  15. 15. Form 201.26-NM1 (608)High Temperature and Pressure CleaningHigh temperature and pressure cleaning methods(e.g. steam cleaning) should not be used on any partof the pressure system as this may cause operation of 1the pressure relief device(s). Detergents and solvents,which may cause corrosion, should also be avoided.Emergency ShutdownIn case of emergency, the control panel is fittedwith a Unit Switch to stop the unit in an emergency.When operated, it removes the low voltage 120VAC electrical supply from the inverter system, thusshutting down the unit.JOHNSON CONTROLS 15
  16. 16. Form 201.26-NM1 (608) This page intentionally left blank16 JOHNSON CONTROLS
  17. 17. Form 201.26-NM1 (608) SECTION 2 – PRODUCT DESCRIPTION 1. COMPRESSOR 2. COOLER 1 3. CONDENSER 4. POWER SECTION 1 5. CONTROL PANEL 2 2 3 LD12931 4 5FIG. 1 - YCWL WATER COOLED LIQUID CHILLERINTRODUCTIONYORK YCWL chillers are designed for water or water- dynamically balanced. A large internal volume and oilglycol cooling. reservoir provides greater liquid tolerance. Compressor crankcase heaters are also included for extra protectionAll models are designed for indoor installation. The against liquid migration. All compressors are mountedunits are completely assembled with all interconnecting on isolator pads to reduce transmission of vibration torefrigerant piping and internal wiring, ready for field the rest of the unit.installation. REFRIGERANT CIRCUITSThe unit consists of up to 6 scroll compressors in a Two independent refrigerant circuits are provided oncorresponding number of separate refrigerant circuits, a each unit, Each circuit uses copper refrigerant pipeshell and tube DX evaporator, a water cooled condenser formed on computer controlled bending machines toand oil separators for each circuit. reduce the number of brazed joints resulting in a pliable and leak resistant system.Before delivery, the unit is pressure tested, evacuated,and fully charged with environmentally friendly Liquid line components include: a service valve withrefrigerant (R410A) and YORK “V” oil (POE synthetic) charging port, a high absorption removable core filter-oil in each of the independent refrigerant circuits. After drier, a solenoid valve, a sight glass with moistureassembly, an operational test is performed with water indicator and a thermal expansion valve. Liquid linesflowing through the cooler to ensure that each refrigerant between the expansion valve and the cooler are coveredcircuit operates correctly. with flexible, closed-cell insulation.The unit framework is fabricated using heavy-gauge Suction line components include: a pressure relief valve,galvanized steel which is zinc phosphate pre-treated and a pressure transducer and a service valve. Optionalpowder coated to minimize corrosion. isolation ball valves are available. Suction lines are covered with flexible, closed-cell insulation.COMPRESSORSThe chiller utilizes suction-gas cooled. hermetic, scroll Discharge lines include service and isolation (ball)compressors. The YCWL compressors incorporate valves, two high-pressure cutout switches, a pressurea compliant scroll design in both the axial and transducer and a pressure relief valve.radial direction. All rotating parts are statically andJOHNSON CONTROLS 17
  18. 18. Product Description Form 201.26-NM1 (608)EVAPORATOR The shell is constructed and tested in accordance withThe 2-pass dual circuit shell and tube type direct Section VII, Division 1 of ASME Pressure Vessel Code.expansion (DX) evaporator has refrigerant in the tubes The water side is exempt per paragraph U-1 of Sectionand chilled liquid flowing through the baffled shell. VII, Division 1 of ASME Pressure Vessel Code. TheThe waterside (shell) design working pressure of the condenser is equipped with relief valves and will holdcooler is 150 PSIG (10.3 barg). The refrigerant side the full refrigerant charge for pumpdown.(tubes) design working pressure is 450 PSIG (31.0barg). The refrigerant side is protected by pressure REFRIGERANT CIRCUITrelief valve(s). Two independent refrigerant circuits will be furnished on each unit. All piping will be copper with brazedThe evaporator shall have water pass baffles fabricated joints. The liquid line will include: a shutoff valvefrom galvanized steel to resist corrosion. Removable with charging port; sight-glass with moisture indicator;heads are provided for access to internally enhanced, thermal expansion valve; solenoid valve; and highseamless, copper tubes. Water vent and drain connections absorption removable-core filter drier. The entire suctionare included. The cooler is insulated with 3/4” (19mm) line and the liquid line between the expansion valve andflexible closed-cell foam. the evaporator will be insulated with flexible, closed- cell, foam insulation.Water Connection to the evaporator is via Victaulicgrooved connections. Flange connections are available MILLENNIUM CONTROL CENTERas an option. The shell will be constructed and tested in All controls are contained in a NEMA 3R/12 (andaccordance with Section VII, Division 1 of the ASME equivalent to IP32) cabinet with hinged outer door andPressure Vessel Code. The water side is exempt per includes:paragraph U-1 (ºC) of Section VII, Division 1 of the • Two character Liquid Crystal Display with LightASME Pressure Vessel Code. Emitting Diode backlighting for outdoor view- ing:The evaporator is constructed and tested in accordancewith applicable sections of the ASME Pressure Vessel - Two display linesCode, Section VIII, Division (1) . The water side will - Twenty characters per linebe exempt per paragraph U-1, (ºC) (6). • Color coded 12-button non-tactile keypad withA strainer with a mesh size between .5 and 1.5 mm (40 sections for:mesh) is recommended upstream of the evaporator to - Control supply fuses and connections for aprevent clogging. remote emergency stop device.CONDENSER - ON/OFF rocker switch, microcomputer key-The dual refrigerant circuit water-cooled condenser is pad and display, microprocessor board, I/Oa cleanable shell and tube type with seamless external expansion board, relay boards, and 24V fusedfinned copper tubes rolled into tube sheets. The design power supply board.working pressures are 150 PSIG (10 barg), integralsubcooling is part of the design on the waterside and - Customer terminal block for control inputs560 PSIG (38.6 barg) on the refrigerant side which is and liquid flow switch.protected by pressure relief valve(s). The microprocessor control includes:The condenser has removable steel water heads. The • Automatic control of compressor start/stop, an-water nozzles are provided with grooves for victualic ticoincidence and anti-recycle timers, automaticcouplings. pumpdown on shutdown, evaporator pump and unit alarm contacts. Automatic reset to normal chiller operation after power failure.18 JOHNSON CONTROLS
  19. 19. Form 201.26-NM1 (608) • Remote water temperature reset via a pulse width • Load & unload timer status modulated (PWM) input signal or up to two steps • Water pump status of demand (load) limiting. • Software stored in non-volatile memory System Safeties (EPROM), with programmed setpoints retained Cause individual compressors to perform auto shut down in a lithium battery backed Real Time Clock and require manual reset in the event of three trips in a 2 (RTC) memory for a minimum of five years. 90-minute time period: • High discharge pressure • Forty character liquid crystal display, with de- • Low suction pressure scription available in five languages (English, French, German, Spanish or Italian) • High pressure switches • Motor protectorProgrammable setpoints: • Chilled liquid temperature setpoint and range Unit Safeties Are automatic reset and cause all compressors to shut • Remote reset temperature range down: • Set daily schedule/holiday for start/stop • Low leaving chilled liquid temperature • Manual override for servicing • Under voltage • LOW liquid temperature cutout • Loss of liquid flow (through flow switch) • LOW suction pressure cutout • Low battery • High discharge pressure cutout • Anti-recycle timer (compressor start cycle Power and Control Panels time) All power and controls are contained in an IP32 cabinet • Anti-coincident timer (delay compressor starts) with hinged, latched and gasket sealed outer doors.Displayed Data: POWER PANEL • Return and leaving liquid temperature The power panel includes: • Low leaving liquid temperature cutout setting • A factory mounted Non-fused Disconnect Switch with external, lockable handle to enable connec- • Metric or Imperial data tion of the unit power supply. The disconnect • Discharge and suction pressure cutout settings switch can be used to isolate the power for servic- • System discharge and suction pressure ing. • Anti-recycle timer status for each compressor • Factory mounted compressor contactors and • Anti-coincident system start timer condition manual motor starters to provide overload and • Compressor run status short circuit protection. • No cooling load condition • Factory mounted control transformer to convert • Day, date and time the unit supply voltage to 115V, 1-phase, 60Hz • Daily start/stop times for the control system. • Holiday status • Automatic or manual system lead/lag control • Lead system definition • Compressor starts & operating hours (each com- pressor) • Run permissive status • Number of compressors running • Liquid solenoid valve statusJOHNSON CONTROLS 19
  20. 20. Product Description Form 201.26-NM1 (608)ACCESSORIES AND OPTIONS CONTROLS OPTIONS Building Automation System InterfacePOWER OPTIONS A standard feature of the YCWL control panel to acceptSingle Point Supply Terminal Block a pulse width modulated (PWM), 4-20 milliamp, or 0-10VDC input to reset the leaving chilled liquidThe standard power wiring connection on all models is temperature from a Building Automation System.a single point power connection to a factory provided (Factory-Mounted)terminal block. Components included are the enclosure,terminal-block and interconnecting wiring to the Language Lcd And Keypadcompressors. Separate external protection must besupplied, by others, in the incoming power wiring. (Do Standard display language and keypad is in English.not include this option if either the Single-Point Non- Spanish, French, German, and Italian are available asfused Disconnect Switch or Single-point Circuit Breaker an option. (Factory-Mounted)options have been included.) (Factory-Mounted) HEAT EXCHANGER OPTIONSSingle Point Non-Fused Disconnect Switch Flow SwitchAn optional unit-mounted disconnect switch with An optional flow switch can be factory supplied forexternal, lockable handle (in compliance with Article the evaporator and the condenser. Vapor-proof SPDT,440-14 of N.E.C.), can be supplied to isolate the unit NEMA 3R switch, 150 PSIG (10.3 bar) DWP, 20°F topower voltage for servicing. Separate external fusing 250°F (-29°C to 121°C) with 1” NPT (IPS) connectionmust be supplied, by others in the power wiring, which for upright mounting in horizontal pipe. The flow switchmust comply with the National Electrical Code and/or or its equivalent must be furnished with each unit. (Fieldlocal codes. (Factory-Mounted) mounted)Single Point Circuit Breaker Differential Pressure SwitchAn optional unit mounted circuit breaker with external, An alternative option to the paddle-type flow switch.lockable handle (in compliance with N.E.C. Article 3-45 PSIG (0.2-3 bar) range with ¼” NPTE pressure440-14), can be supplied to isolate the power voltage connections. (Field Mounted)for servicing. (Factory-Mounted) Pressure Vessel CodesControl Transformer Evaporators and condensers are to be supplied (standard)Converts unit power voltage to 115-1-60 (0.5 or 1.0 in conformance with the A.S.M.E. pressure codes.KVA capacity). Factory mounting includes primaryand secondary wiring between the transformer and the Raised Face Flange (Victaulictm Type)control panel. (Factory-Mounted) Consists of (4) flange adapters for grooved end pipe onCompressor External Overloads evaporator and condenser. Standard 150 psi (10.3 bar). (Field Kit, matching pipe flange by contractor.)Optional compressor motor overloads can be factorymounted in the unit control/power panel. This option Double Thick Insulationwill reduce the chiller MCA (minimum circuit ampacity)and allow for reduced wire sizing to the unit. This Double thick (1-1/2”) insulation provided on theoption is not available for applications with Leaving evaporator. (Factory-Mounted)Condenser Water Temperature (LCWT) greater than105ºF (40.6ºC). (Factory-Mounted)20 JOHNSON CONTROLS
  21. 21. Form 201.26-NM1 (608)CHILLER OPTIONS VIBRATION ISOLATIONFinal Paint Overspray Neoprene IsolationOverspray painting of unit after assembly. (Factory- Recommended for normal installations. Provides veryMounted) good performance in most applications for the least cost. (Field-mounted)Service Isolation Valve 2 1” Spring IsolatorsService suction isolation valve added to unit per systemin addition to the standard discharge service valve. Level adjustable, spring and cage type isolators for(Factory Mounted) mounting under the unit base rails. 1” nominal deflection may vary slightly by application. (Field -Mounted)Hot Gas By-pass 2” Sesmic Isolators Permits continuous, stable operation at capacities belowthe minimum step of compressor unloading to as low as Restrained Spring-flex Mountings incorporate a rugged5% capacity (depending on both the unit and operating welded steel housing with vertical and horizontal limitconditions) by introducing an artificial load on the stops. Housings designed to withstand a minimum 1.0gevaporator. Hot gas by-pass is installed on only refrigerant accelerated force in all directions to 2”. Level adjustable,system #1 on two-circuited units. (Factory-Mounted) deflection may vary slightly by application. (Field- Mounted)Chicago Code Relief ValvesUnit will be provided with relief valves to meet Chicagocode requirements. (Factory-Mounted)Compressor Acoustic Sound BlanketEach compressor is individually enclosed by an acousticsound blanket. The sound blankets are made with onelayer of acoustical absorbent textile fiber of 5/8” (15mm)thickness; one layer of anti-vibrating heavy materialthickness of 1/8” (3mm). Both are closed by two sheets ofwelded PVC, reinforced for temperature and UV resistance.(Factory- Mounted)JOHNSON CONTROLS 21
  22. 22. Product Description Form 201.26-NM1 (608) CONTROL / POWER PANEL COMPONENTS DISPLAY UNIT SWITCH CTB1 IPU II/ IO LD12922 (Flow Switch & Load Limit) BOARDFIG. 2 - CONTROL/PANEL COMPONENTS22 JOHNSON CONTROLS
  23. 23. Form 201.26-NM1 (608) CONTROL / POWER PANEL COMPONENTS (CONT.) 2 OPTIONAL CIRCUIT CR2 BREAKER CR1 2T COMPRESSOR OVERLOAD CTB2 (Evap Pump, Alarm & Chiller Run)FTB COMPRESSOR COMPRESSOR COMPRESSOR CONTACTOR CONTACTOR OVERLOAD LD12921FIG. 3 - CONTROL POWER PANEL COMPONENTSJOHNSON CONTROLS 23
  24. 24. Product Description Form 201.26-NM1 (608) UNIT COMPONENTS COMPRESSORS POWER PANEL MICRO PANEL LD12919 CONDENSER EVAPORATORFIG. 4 - UNIT COMPONENTS24 JOHNSON CONTROLS
  25. 25. Form 201.26-NM1 (608) UNIT COMPONENTS (CONT.) 2 LIQUID LINE EVAPORATOR SOLENOID VALVE WATER OUTLET LD12920 LIQUID STOP LIQUID LINE DRIER VALVE EVAPORATOR / INLET WATERFIG. 5 - CONTROL / POWER PANEL COMPONENTS DUAL SYSTEM UNITSJOHNSON CONTROLS 25
  26. 26. Product Description Form 201.26-NM1 (608) PRODUCT IDENTIFICATION NUMBER (PIN) FEATURE DESCRIPTION OPTION DESCRIPTION CONTRACT CONTRACT NUMBER NUM CONTRACT NUMBER = {CONTRACT/NUM} ORDER ORDER QUANTITY QTY ORDER QUANTITY = {ORDER/QTY} MODEL MODEL (PIN 1-4) YCWL YCWL CAP CAPACITY (PIN 5-8) 0056 0056 0064 0064 0074 0074 0084 0084 0094 0094 0096 0096 0104 0104 0118 0118 0126 0126 0132 0132 0156 0156 0177 0177 0198 0198 0200 0200 0230 0230 0240 0240 0260 0260 0290 0290 0300 0300 0345 0345 0385 0385 0395 0395 0425 0425 0445 0445 0530 0530 0610 061026 JOHNSON CONTROLS
  27. 27. Form 201.26-NM1 (608) FEATURE DESCRIPTION OPTION DESCRIPTION UNIT UNIT DESIGNATOR (PIN 9) H HIGH EFFICIENCY UNIT S STD EFFICIENCY UNIT REF REFRIGERANT (PIN 10) E R-410A VOLTS VOLTAGE (PIN 11 & 12) 17 200/3/60 28 230/3/60 2 40 380/3/60 46 460/3/60 50 380-415/3/50 58 575/3/60 STARTER STARTER (PIN 13) X ACROSS THE LINE START T SOFT START (FACTORY) (50HZ ONLY) DESIGN DESIGN SERIES (PIN 14) A DESIGN SERIES A DEVELOPMENT LEVEL DEV A ENGINEERING CHANGE OR PIN LEVEL (PIN 15) POWER FIELD POWER XX SP SUPPLY TERMINAL BLOCK (PIN 16 & 17) BX SP CIRCUIT BREAKER W/ LOCKABLE HANDLE SD SP SUPPLY NF DISCONNECT SWITCH MD MP NF DISCONNECT SWITCHES (60 HZ ONLY) MX MP SUPPLY TERMINAL BLOCK 65 HIGH FAULT CURRENT PROTECTION, 65KA QQ SPECIAL QUOTE CONTROL TRANSFORMER TRANS X NO OPTION (PIN 18) F CONTROL TRANSFORMER (FIELD) T CONTROL TRANSFORMER (FACTORY) Q SPECIAL QUOTE POWER FACTOR PFC X NO OPTION CAPACITOR (PIN 19) C POWER FACTOR CAPACITOR Q SPECIAL QUOTE PIN20 PIN 20 X NO OPTION Q SPECIAL QUOTE BAS BAS INTERFACE (PIN 21) X BAS/EMS TEMP RESET/OFFSET (STANDARD) Q SPECIAL QUOTE LCD LANGUAGE (PIN 22) X STANDARD (ENGLISH) LANGUAGE KIT F FRENCH LCD & KEYPAD G GERMAN LCD & KEYPAD H HUNGARIAN LCD & KEYPAD I ITALIAN LCD & KEYPAD N DUTCH LCD & KEYPAD L POLISH LCD & KEYPAD P PORTUGUESE LCD & KEYPAD R RUSSIAN LCD & KEYPAD S SPANISH LCD & KEYPAD Q SPECIAL QUOTEJOHNSON CONTROLS 27
  28. 28. Product Description Form 201.26-NM1 (608) FEATURE DESCRIPTION OPTION DESCRIPTION BOTH DISCHARGE & SUCTION PRESSURE TRANSDUCERS RDOUT READOUT KITS (PIN 23) X / READOUT (STANDARD) Q SPECIAL QUOTE SAFETY SAFETY CODES (PIN 24) C EUROPEAN SAFETY CODE (CE) L N AMERICAN SAFETY CODE (CUL/CETL) Q SPECIAL QUOTE HPUMP HEAT PUMP (PIN 25) X NO OPTION H NON-REVERSING HEAT PUMP Q SPECIAL QUOTE CONDENSER TEMP CTEMP X NO OPTION (PIN 26) Q SPECIAL QUOTE PIN 27 PIN 27 X NO OPTION Q SPECIAL QUOTE SEQ SEQUENCE KIT (PIN 28) X NO SEQUENCE KIT S SEQUENCE CONTROL & AUTOMATIC LEAD TRANSFER Q SPECIAL QUOTE TEMP WATER TEMP (PIN 29 & 30) NUM LEAVING SUPPLY TEMP TS THERMAL STORAGE Q SPECIAL LST REQUIREMENTS CHICAGO CODE KIT CHICAGO X NO OPTION (PIN 31) BOTH ISOLATION VALVES AND CHICAGO CODE B (60HZ ONLY) C CHICAGO RELIEF CODE (60HZ ONLY) BOTH SUCTION ISOLATION AND PRESSURE RELIEF KIT F (50 HZ AND EUROPE YW ONLY) BOTH SERVICE ISOLATION AND DUAL RELIEF VALVES G (50 HZ ONLY) PRESSURE RELIEF SERVICE KIT P (50 HZ AND EUROPE YW ONLY) R DUAL RELIEF VALVES (50 HZ ONLY) S SERVICE ISOLATION VALVES (SUCTION) Q SPECIAL QUOTE VALVES VALVES (PIN 32) X SOLENOID VALVES (LIQUID LINE) E ELECTRONIC EXPANSION VALVE Q SPECIAL QUOTE HOT GAS BY-PASS HGBP X NO OPTION (PIN 33) 1 HOT GAS BY-PASS (1 CIRCUIT) (60HZ ONLY) 2 HOT GAS BY-PASS (2 CIRCUITS) (60HZ ONLY) Q SPECIAL QUOTE PIN34 PIN 34 X NO OPTION Q SPECIAL QUOTE28 JOHNSON CONTROLS

×