Ccba lago 0321_gb(1)

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Ccba lago 0321_gb(1)

  1. 1. 10.2.1.20 Edition 05.10 GB Safety All work and settings in the chapters “Expert” mayOperating and only be carried out by a qualified technician. Elec-installation instructions Please read and keep in a safe trical interventions may only be carried out by aHeating Controller place qualified electrician. The heating system must beLago 0321 disconnected from the power supply before any electrical work is carried out on the unit. Please read through these instructions carefully before installing or operating. Following the installation, pass the instructions on to the Conversion operator. All technical changes are prohibited. These instructions can also be found at www.docuthek.com. Transport On receipt of the product, check that the delivery Explanation of symbols is complete. Report any transport damage im- • , 1 , 2 , 3 ... = Action mediately. ! = Instruction StorageTranslation from the German Liability Store the product in a dry place. Ambient tem-© 2008 – 2009 Elster GmbH We will not be held liable for damages resulting perature: see Technical data. from non-observance of the instructions and non- compliant use. Safety instructions Information that is relevant for safety is indicated in the instructions as follows: DANGER Indicates potentially fatal situations. WARNING Indicates possible danger to life and limb. CAUTION Indicates possible material damage.
  2. 2. Table of contentsTable of contentsHeating Controller 01 – 07 Heating program 2 (Monday to Expert - Installation . . . . . . . . . . . . . . 14Lago 0321 . . . . . . . . . . . . . . . . . . . . . . . 1 Sunday) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 08 Operating mode direct heating circuit Expert - Electrical connections . . . . 14Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . 1 (HC1)/ Define application. . . . . . . . . . . . . . . . . 14Table of contents . . . . . . . . . . . . . . . . . 2 13 Operating mode mixer circuit (HC2) . . . . 9 Controller rear side . . . . . . . . . . . . . . . . 16 09 Heat slope direct heating circuit/ Electrically connect socket . . . . . . . . . . 17Verify type of application. . . . . . . . . . . 4 14 heat slope mixer circuit. . . . . . . . . . . . . 10 Type designation codes . . . . . . . . . . . . . 4 Options . . . . . . . . . . . . . . . . . . . . . . . . 17 10 Room sensor influence direct heating circuit/ Maximum limiter . . . . . . . . . . . . . . . . . . . . 17 Part designations . . . . . . . . . . . . . . . . . . 4 Selector switch . . . . . . . . . . . . . . . . . . . . . . 4 15 Room sensor influence mixer circuit . . . 10 Examples of installations . . . . . . . . . . . 18 11 Room sensor correction direct heating Heating system controller for heat source, Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 mixed heating circuit and hot water circuit/User – Settings . . . . . . . . . . . . . . . . . . . 5 16 Room sensor correction mixer circuit . . 10 preparation . . . . . . . . . . . . . . . . . . . . . . . . 18Set time and day of the week. . . . . . . . . 5 18 Hot water according to program. . . . . . 11 Heating system controller for mixed 19 Indication of heating program at the heating circuit and hot water preparationSet the desired temperature. . . . . . . . . . 5 from a buffer storage tank . . . . . . . . . . . . . 18 Desired room temperature Day . . . . . . . . . . 5 lower margin of the display . . . . . . . . . . . . 11 Heating system controller for direct Setback temperature (desired room User – Questions . . . . . . . . . . . . . . . . 12 heating circuit, mixed heating circuit and temperature Night). . . . . . . . . . . . . . . . . . . . 5 How do I switch to summer/winter hot water preparation . . . . . . . . . . . . . . . . 19 Desired hot water temperature . . . . . . . . . . 5 time? . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Controller for a mixed heating circuit as Display actual temperatures . . . . . . . . . . 5 How do I set the heating controller expansion for a heating system controller . 20 Set operating mode . . . . . . . . . . . . . . . . 6 so that it gets warm sooner in the Controller for a heat source in a cascade: Standby/OFF . . . . . . . . . . . . . . . . . . . . . 6 morning? . . . . . . . . . . . . . . . . . . . . . . . 12 Heating module . . . . . . . . . . . . . . . . . . . . 21 1 Automatic mode 1 . . . . . . . . . . . . . . . . 6 Internal hot water preparation of the first My heater does not get warm enough. heat source in the cascade (hydraulic 2 Automatic mode 2 . . . . . . . . . . . . . . . . 6 What can I do?. . . . . . . . . . . . . . . . . . . 12 separation) . . . . . . . . . . . . . . . . . . . . . . . . 22 Day mode . . . . . . . . . . . . . . . . . . . . . . . 6 How do I set the heating system for Night mode . . . . . . . . . . . . . . . . . . . . . . . 6 holidays? . . . . . . . . . . . . . . . . . . . . . . . 12 Expert – Set DIP switches . . . . . . . . . 23 Summer mode . . . . . . . . . . . . . . . . . . . . 7 Direct heating circuit or multifunction relay. 23 How can I switch the heating system Service . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Assigning a remote control FBR2 to the off during the summer? . . . . . . . . . . . . 12 direct heating circuit or mixer circuit. . . . . . 23 HO Holiday . . . . . . . . . . . . . . . . . . . . . . 7 Is it possible to let the heating system Set sensor resistance . . . . . . . . . . . . . . . . 23Set heating program 1 . . . . . . . . . . . . . . 7 run longer in the evening for specialSet heating program 2 . . . . . . . . . . . . . . 7 occasions such as a party? . . . . . . . . . 12 Expert – Set parameters . . . . . . . . . . 24Load factory settings (Reset) . . . . . . . . . 8 How do I set the heating controller to List of parameters 20 to 99 . . . . . . . . . 25 save energy? . . . . . . . . . . . . . . . . . . . . 12 Explanation of the parameters . . . . . . . 26User – Set parameters. . . . . . . . . . . . . 8 Which room is allocated to which 20 Code no. input . . . . . . . . . . . . . . . . . . . 26 List of parameters 01 to 19 . . . . . . . . . . . . . 9 heating circuit?. . . . . . . . . . . . . . . . . . . 12 21 Code no. . . . . . . . . . . . . . . . . . . . . . . . 26 Explanation of the parameters . . . . . . . . 92
  3. 3. Table of contents22 Outside temperature frost protection . . 26 81 Switching temperature of the Heat source . . . . . . . . . . . . . . . . . . . . . 3823 Bus ID Mixer circuit (heating circuit multifunction relay . . . . . . . . . . . . . . . . . . . 30 Circulation pump . . . . . . . . . . . . . . . . . 38address) . . . . . . . . . . . . . . . . . . . . . . . . . . 26 82 Multifunction relay hysteresis . . . . . . . . 30 Return flow booster . . . . . . . . . . . . . . . 3830 Maximum heat source temperature . . . 26 97 PC enable (0000 = disabled) . . . . . . . . 3031 Heat source minimum temperature . . . 26 98 Relay test . . . . . . . . . . . . . . . . . . . . . . 30 Direct heating circuit. . . . . . . . . . . . . . . 3832 Warm-Up Temp . . . . . . . . . . . . . . . . . . 26 99 Software version and index (63.XX) . . . 31 Mixed heating circuit / Mixer circuit. . . . 3833 Minimum limit heat source . . . . . . . . . . 26 Heating time. . . . . . . . . . . . . . . . . . . . . 38 Expert – Commissioning . . . . . . . . . . 3134 Dynamic switching hysteresis . . . . . . . 26 Header pump. . . . . . . . . . . . . . . . . . . . 3835 Hysteresis time . . . . . . . . . . . . . . . . . . 26 Service. . . . . . . . . . . . . . . . . . . . . . . . . 32 Feed pump . . . . . . . . . . . . . . . . . . . . . 3836 Burner starts . . . . . . . . . . . . . . . . . . . . 27 STL Test. . . . . . . . . . . . . . . . . . . . . . . . 32 Legionella. . . . . . . . . . . . . . . . . . . . . . . 3837 Burner operating time . . . . . . . . . . . . . 27 Accessories . . . . . . . . . . . . . . . . . . . . 33 Declaration of conformity . . . . . . . . . 3938 Address heating module (only for Operating module Merlin BM, BM 8,cascade operation) . . . . . . . . . . . . . . . . . . 27 or remote control Lago FB . . . . . . . . . . 33 Heating circuit allocation . . . . . . . . . 4050 DHW Relief (charging pump lock) . . . . 27 Merlin BM . . . . . . . . . . . . . . . . . . . . . . . . . 33 For the installation expert . . . . . . . . . . . 4051 Parallel pump operation . . . . . . . . . . . . 27 BM 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Contact . . . . . . . . . . . . . . . . . . . . . . . . 4052 Antilegion function . . . . . . . . . . . . . . . . 27 Lago FB . . . . . . . . . . . . . . . . . . . . . . . . . . 3353 Temperature increase during hot waterpreparation . . . . . . . . . . . . . . . . . . . . . . . . 27 PC Adapter . . . . . . . . . . . . . . . . . . . . . 3360 Maximum flow temperature direct CoCo PC active. . . . . . . . . . . . . . . . . . . . . 33heating circuit . . . . . . . . . . . . . . . . . . . . . . 27 CoCo PC mobile . . . . . . . . . . . . . . . . . . . . 3361 Minimum flow temperature direct Remote control and room sensorheating circuit . . . . . . . . . . . . . . . . . . . . . . 27 FBR2 . . . . . . . . . . . . . . . . . . . . . . . . 3469 Additional mixer functions (P77 – 79) . . 27 Room sensor RFB . . . . . . . . . . . . . . 3470 Maximum flow temperature mixer Sensor . . . . . . . . . . . . . . . . . . . . . . . . . 34circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Outside sensor AF/AFS ............ 3471 Minimum flow temperature mixer circuit 28 Boiler sensor KF/KFS72 Mixer Dynamic OPEN (when opening)/ Storage sensor SPF/SPFS .......... 3473 Mixer Dynamic CLOSED (when closing) 28 Flow sensor VF/VFAS . . . . . . . . . . . . . . . 3474 T-Flow Cooling (flow temperature Sensor values . . . . . . . . . . . . . . . . . . . . . . 35Cooling). . . . . . . . . . . . . . . . . . . . . . . . . . . 2875 T-Room Cooling (desired room Help with faults. . . . . . . . . . . . . . . . . . 36temperature) . . . . . . . . . . . . . . . . . . . . . . . 29 Technical data. . . . . . . . . . . . . . . . . . . 3776 Min TO Cooling (Minimum outsidetemperature for cooling). . . . . . . . . . . . . . . 29 Glossary . . . . . . . . . . . . . . . . . . . . . . . 3877 Mixer scan time . . . . . . . . . . . . . . . . . . 29 Flow and return flow temperature. . . . . 3878 Mixer operating time limit . . . . . . . . . . . 29 Desired and actual temperature . . . . . . 3879 Mixer start seconds . . . . . . . . . . . . . . . 29 Setback temperature . . . . . . . . . . . . . . 3880 MF Relay function . . . . . . . . . . . . . . . . 30 3
  4. 4. Verify type of applicationVerify type of application Part designations Parameter setting for User and ExpertHeating controller to be used as a 5 Setting the time and the day of– heating system controller, Time the week– mixer extension or Mode 1 Display– as a controller for a heat source in a cascade, So OK⇒M Tim o–Su e °Cfor further explanation see [Expert - Electrical con- Fr Sa Th Tu We Mo Tu We Th Fr Sa Su 1 Mo °Cnections – p. 14]. / 1 Mo–Fr 1 Sa–S u °C 4 2 1 1The heating controller regulates two independent 2 3heating circuits: one indirect heating circuit and 4 4one mixer circuit. 5The function is only guaranteed within the specified OK 1 2 / 1 6 >1slimits, see [Technical data – p. 37]. 3 7Any other use will be deemed improper use. 1 Days Monday – Sunday underlined 1 Selector switchType designation codes 2 Rotary knob 2 Communication to devices on the bus (suchCode Description as Lago FB, BM8, Merlin BM) for changing the set values and displaying 3 Status indications:Lago Heating controller the temperatures0 On//Off boiler control 3 OK button Burner, Mixer circuit and hot water for displaying the desired temperature of the Mixer circuit pump,3 preparation heat source, for confirming settings, and the Hot water enabled, Temperature-controlled multifunction for testing the Safety Temperature Limiter2 Storage charging pump, relay 4 Assembly holder of the controller1 CAN bus communication 5 Cable feed-throughs Mixer open, Mixer closed, Selector switch Room temperature, Standard / 1 Multifunction relay /Pump direct Mode Operating mode selection heating circuit Desired room temperature Day (for 4 Heat source temperature (When used as a °C both heating circuits) mixer expansion, "--" is displayed.) Setback temperature (for both 5 Time °C heating circuits) °C Desired hot water temperature Heating program 1 from Saturday Sa – Su to Sunday Heating program 1 from Monday Mo – Fr to Friday4
  5. 5. User – Settings6 Operating modes: User – Settings !" The new desired temperature is displayed. Operational readiness/OFF (Heating 5 Turn selector switch back to . and hot water preparation OFF, frost protection operation only) Set time and day of the week Display actual temperatures 1 Automatic mode 1 (Heating according to 1 Turn selector switch to Time. 1 Turn selector switch to . heating program 1, hot water according 2 Press the OK button. 2 Use the rotary knob to set one of the following to parameter 18) !" Display flashes. temperature indications: 3 Set time with rotary knob. !" If a sensor is not connected, the display will 2 Automatic mode 2 (Heating according to 4 Press the OK button. show -- --. heating program 2, hot water according to parameter 18) 5 Set day of the week with rotary knob. H1 to H8 Room temperature for up to 8 heat- 6 Press the OK button. + ing circuits Day mode (24 hour heating with desired !" The new time and the day of the week is dis- AF Outside temperature room temperature Day, hot water played. Heat source and concurrently flow according to parameter 18) 7 Turn selector switch back to . temperature of the direct heating Night mode (24 hour heating with !" To cancel the settings without saving, turn the circuits (1st HC) setback temperature, hot water selector switch back to at any time. Flow temperature of the mixer circuit according to parameter 18) (2nd HC) Summer mode (Heating OFF, hot water Set the desired temperature Hot water temperature according to parameter 18) FF Multifunction sensor temperature Service (Heat source controls to Desired room temperature Day maximum heat source temperature.) !" Active during heating times !" The desired temperatures are displayed for Holiday mode (During holidays the 1 Turn selector switch to °C . the last four indicators when the OK button rooms are heated to 15 °C, after the is pressed. Setback temperature (desired room !" The display reverts to the standard indication holidays the rooms are automatically heated according to heating program temperature Night) after a few seconds without action. again.) !" Active between heating times7 Display of the heating times 1 Turn selector switch to °C . Desired hot water temperature 1 Turn selector switch to °C . All three temperatures 2 Press the OK button. !" Display flashes. 3 Set day of the desired temperature with rotary knob. 4 Press the OK button. 5
  6. 6. User – SettingsSet operating mode Example You can set the following operating modes!" The heating controller leaves the factory with #1 #2 #3 Standby/OFF the setting Standby/OFF. The operating Lago 0321 Lago 0321 Lago 0321 Heating and hot water preparation are deactivated. mode must be changed for normal operation. Only the frost protection function remains active.The operating mode determines how the heatingcontroller works. Whether the heating system is 1 Automatic mode 1to be controlled automatically or manually, during Heating occurs according to heating program 1:a party for example. Or how should the heating Heating occurs at identical times for Monday – Fri-system be controlled during longer periods of ab- day, as well as Saturday – Sunday. Hot water ac-sence such as holidays? cording to parameter 18, see [Set heating program 1 Turn selector switch to “Mode”. 1 – p. 7]. 2 Press the OK button. 2 Automatic mode 2!" Display flashes. Heating occurs according to heating program 2: 3 Use the rotary knob to set one of the following You can set Individual heating times for each day. operating modes: Lago #1 #2 #3 off off 1 off 1 off Hot water according to parameter 18, see [Set 4 Press OK after you have selected your setting. 1 on on off 1 on heating program 2 – p. 7].!" The new operating mode is displayed. off on 1 off 1 off !" Toggling between Automatic mode 1 and 2 can 5 Turn selector switch back to . be useful for shift workers. The times do not!" All operating modes have an effect on the heat Installation with three mixed heating circuits and need to be entered for each shift - they only source and on both internal heating circuits hot water preparation: Lago #1 controls the first need to be switched over. of the controller. A different mode can be as- signed to each heating circuit individually, see heating circuit and hot water. Lago #2 controls Day mode [User – Set parameters – p. 8]. the second heating circuit and Lago #3 the Heating occurs for 24 hours to desired room tem-!" If the controller is used as a heating system third. If mode was selected for Lago #1, the perature Day. Hot water according to parameter controller, all heating circuits of the system are entire system will be switched off, regardless of 18, see [Set the desired temperature – p. 5]. deactivated for operating modes and . This the settings for the other controllers. This setting is required for events such as a party, only applies to the associated heating circuit when the heating period in automatic mode will when used as a mixer expansion. not be sufficient. Do not forget to switch back to automatic mode once the party is over. Night mode Heating is reduced to the setback temperature for 24 hours. Hot water according to parameter 18, see [Set the desired temperature – p. 5].6
  7. 7. User – SettingsThis setting can be used to save energy; in ex- !" The holiday function starts immediately and Exampleceptional cases when no-one is going to be home ends on Thursday at 24:00. On Friday (day Heating is to occur from 6:00 to 8:00 in the morn-during the day over a longer period of time for 5) heating mode reverts to the original mode. ing, from 11:30 to 13:00 at lunchtime and fromexample. Do not forget to switch back to automatic !" Should you return from your holiday before this 18:00 to 22:00 in the evening.mode once the party is over. time, you will need to set the original operating Mo Tu We Th Fr Sa So mode manually. Summer modeThe heating system is switched off to save energy.Parameter 18 for hot water must be set to 1, 2 or Set heating program 14, see [User – Set parameters – p. 8]. Heating program 1 is assigned to automatic mode 1. It is used to define the heating times for the 1 / 1 Service working week (Mo – Fr) and the weekend (Sa – Su).The heat source heats to the max. temperature set You can set three heating times per day. 0 6 12 18 24in parameter 30. As soon as the temperature of !" During heating times the controller heats to65 °C has been reached, the consumers regulate desired temperature, between heating times 7 Finally, turn the selector switch back to .to their max. flow temperature for heat removal. to setback temperature. !" The heating program 1 has been set. In orderAutomatic reset after 15 min. 1 Rotate selector switch to Mo – Fr 1 or Sa – Su to apply it, set the operating mode to “ 1 Auto- 1. matic Mode 1” , see [Set operating mode – p. 6]. HO Holiday 2 Press the OK button. !" To cancel the process without saving, turn theDuring holidays the room temperature is regulated !" The start time of the first heating time flashes. selector switch back to at any time.to 15 °C. 3 Use the rotary knob to select the start time. !" Factory setting: 4 Press the OK button. Mo – Fr: 6:00 to 22:00Example !" The end of the first heating time flashes. Sa – Su: 7:00 to 23:00You leave on Monday and return Thursday evening.Before leaving on Monday program: 5 Use the rotary knob to select the end time. 1 Remember the current operating mode. 6 Press the OK button. Set heating program 2 2 Turn selector switch to “Mode”. !" Continue with step 3 to set the second and Heating program 2 is assigned to automatic mode 3 Press the OK button. third heating time. 2. It can be used to set the heating times for!" Display flashes. !" The heating times will only be saved once you each individual day. You can set three heating 4 Rotate the rotary knob clockwise up to . have entered all three heating times or have times per day. 5 Rotate further for the number of absent days: set the start time to “----”. !" During heating times the controller heats to HO = 4 (Mo, Tu, We, Th). !" If you want to delete an existing heating time, desired temperature, between heating times 6 Press the OK button. use the rotary knob to set the start or end to desired temperature Night.!" The new operating mode is displayed. time to “----”. 1 Turn selector switch to (Parameter setting). 7 Turn selector switch back to . !" The display shows . 2 Turn the rotary knob one step in clockwise direction. 7
  8. 8. User – Set parameters!" The display shows 01 (Monday). Load factory settings (Reset) User – Set parameters 3 Press the OK button. !" All personal settings will be lost.!" The start time of the first heating time flashes. As for heating program 2 you can change further 1 Take a note of all the settings you have made 4 Use the rotary knob to select the start time. parameters to adapt the heating system to your in these instructions. 5 Press the OK button. requirements. 2 Switch off mains.!" The end of the first heating time flashes. 1 Turn selector switch to (Parameter setting). 3 When switching the mains back on, keep the 6 Use the rotary knob to select the end time. !" The display shows . OK button pressed until EE P appears in the 7 Press the OK button. 2 Turn the rotary knob clockwise until the pa- display.!" Continue with step 3 to set the second and rameter you want to change appears in the !" The factory settings have been loaded. third heating time. left-hand side of the display: 08 to 19 (operat-!" The heating times will only be saved once you ing mode direct heating circuit until to display have entered all three heating times or have heating program). set the start time to “----”. 3 Press the OK button.!" If you want to delete an existing heating time, !" Display flashes. use the rotary knob to set the start or end 4 Use the rotary knob to set the desired value. time to “----”. 5 Press the OK button to confirm.Example: see [Set heating program 1 – p. 7]. 6 After you have made the setting, continue with 8 Turn the rotary knob clockwise to the next day: step 2 if you want to change further param- 02 = Tuesday to 07 = Sunday. eters, or turn the selector switch back to .!" Continue with step 3. !" The table below shows the setting options 9 Finally, turn the selector switch back to . (including parameters for heating program 2).!" The heating program 2 has been set. In order !" The heating controller will only display those to apply it, set the operating mode to “ 2 Auto- parameters for which there are sensors con- matic Mode 2”, see [Set operating mode – p. 6]. nected.!" To cancel the process without saving, turn the selector switch back to at any time.!" Factory setting: Mo – Fr: 6:00 to 8:00, 16:00 to 22:00 Sa – Su: 7:00 to 23:008
  9. 9. User – Set parametersList of parameters 01 to 19 Explanation of the parameters OwnNo. Parameter Range Factory setting 01 – 07 Heating program 2 (Monday to values01 Heating program 2 for Monday 00:00 – 24:00 Sunday)02 Heating program 2 for Tuesday 00:00 – 24:00 Heating program 2 is assigned to Automatic mode Heating program 2 for Wednes- 06:00 – 08:00 2, see [Set heating program 2 – p. 7].03 00:00 – 24:00 day 16:00 – 22:0004 Heating program 2 for Thursday 00:00 – 24:00 08 Operating mode direct heating circuit05 Heating program 2 for Friday 00:00 – 24:00 (HC1)/06 Heating program 2 for Saturday 00:00 – 24:00 13 Operating mode mixer circuit (HC2) 07:00 – 23:0007 Heating program 2 for Sunday 00:00 – 24:00 P08 = ----: The direct heating circuit operating Operating mode direct heating mode corresponds to the value in chapter “Set08 ----, , 1, 2, , ---- circuit (HC1) operating mode”.09 Heat slope direct heating circuit 0.20 – 3.00 1,20 P13 = ----: The mixer circuit operating mode cor- Room sensor influence10 OFF, 0 – 20 10 responds to the value in chapter “Set operating direct heating circuit Room sensor correction mode”.11 -5 to +5 °C 0 A separate and different operating mode can be direct heating circuit Operating mode mixer circuit selected for both circuits individually.13 ----, , 1, 2, , ---- 1 = Standby/OFF (HC2)14 Heat slope mixer circuit 0.20 – 3.00 1.20 2 = 1 Automatic mode 1 Room sensor influence 3 = 2 Automatic mode 215 OFF, 0 – 20 10 Mixer circuit 4 = Day mode Room sensor correction 5 = Night mode16 -5 to +5 °C 0 Mixer circuit Exception: The general operating modes 0 = Off Standby/OFF and Summer mode have a 1 = Heating program 1 reducing effect on the entire system. All heating18 Hot water according to program 2 = Heating program 2 1 circuits are switched off. 3 = 1 hour before heating 4 = 24 hours hot water Example Indication of heating program at 0 = for direct heating circuit In your house you have heaters that supply the19 0 direct heating circuit with water, and underfloor the lower margin of the display 1 = for mixed heating circuit heating that heats the mixer circuit. Because un- derfloor heating acts slower than a radiator, the underfloor heating is to be switched on and off beforehand. Set the general operating mode “ 1 Automatic mode 1”, see [Set operating mode – p. 6]. 9
  10. 10. User – Set parametersIn order to use different heating times for the mixer !" If the desired room temperature is not reached !" The higher the set value the greater the influ-circuit, set parameter 13 to 2 = Automatic mode in combination with high outside temperatures, ence of the room sensor on the calculated flow2. increase the desired room temperature. temperature.Now you can use Heating program 1 to set the • Now change the heat slope. P10/15 = OFF: purely weather-guided controlheating times for your radiators and Heating pro- !" Typical values: P10/15 = 0: purely weather-guided controlgram 2 to set different times for the floor heating, floor heating: 0.4 to 0.8 P10/15 = 20: pure room temperature controlsee [Set heating program 1 – p. 7] and [Set heating Radiators: 1.0 to 1.5 Within the range 0 – 20 the heating circuit pumpprogram 2 – p. 7]. operates up to the next heating time if there is aIf the floor heating is meant to be switched off, set 3 2,5 heating requirement during the period of reduced 100 Flow temperature [°C]parameter 13 to = Standby/OFF. temperature Night (e.g. frost protection of when the temperature drops below the setback temperature.09 Heat slope direct heating circuit/ 2 This prevents the rooms from becoming too cool.14 heat slope mixer circuit 80Selecting the correct heat slope saves energy Example 1,5because the heat sources only heat to the point P10/15 = 5required by the respective outside temperature. 1,2 With this setting the desired temperature of the 60The heat slope specifies the number of °C by which 1 heat source is increased by 5 °C when the roomthe flow temperature changes when the outside temperature drops below the desired room tem-temperature rises or drops. 0,8 perature by 1 °C.!" Before you select the heat slope, set the room 40 0,6 temperature to the desired value, see [Set the 11 Room sensor correction direct heating desired temperature – p. 5]. 0,4 circuit/!" Ideally, the heat slope is set when the outside 0,2 16 Room sensor correction mixer circuit temperature is below 5 °C. Changes to the 20 Only active if a room sensor is connected or an 20 16 12 8 4 0 -4 -8 -16 -20 FBR2 remote control with integrated room sen- heat slope setting must be applied in small Outside temperature [°C] steps and long intervals (at least 5 – 6 hours sor is used. This setting can be used to correct between steps). The system must be allowed measurement errors of the connected room sen- to adjust to the new value after each change 10 Room sensor influence direct heating sor, e.g. when the room sensor is influenced by to the heat slope. circuit/ incorrect positioning.!" Select the heat slope so that the desired room 15 Room sensor influence mixer circuit Setting range: P11/16 = -5 to +5 °C temperature is achieved with the thermostat Only active if a room sensor is connected or an Example valves fully opened, and doors and windows FBR2 remote control with integrated room sensor Your room sensor measures 20 °C. A reference closed. is used. It is possible to adjust the influence of the thermometer, however, determines 22 °C. Now set!" Increase the heat slope if the desired room room sensor on the control process. parameter 11 = 2 so that the value 2 °C is added temperature is not reached in combination with to the measured value. low outside temperatures.10
  11. 11. User – Set parameters18 Hot water according to programThis parameter can be used to define the heatingtimes for hot water.P18 = 0: Off (no hot water preparation)P18 = 1: hot water in line with heating program 1P18 = 2: hot water in line with heating program 2P18 = 3: 1 hour before the heating times of auto-matic mode 1 or 2. (The desired automatic modeis set via the operating mode.)With the mode “Summer mode” parameter 18must be set to 1, 2, or 4.P18 = 4: 24 hours hot waterExampleP18 = 3If “Automatic mode 1” was selected as the op-erating mode, the heating controller will alwaysswitch on the hot water one hour before switchingon the heating.19 Indication of heating program at thelower margin of the displayP19 = 0: The heating program for the direct heatingcircuit is displayed.P19 = 1: The heating program for the mixed heat-ing circuit is displayed. 11
  12. 12. User – QuestionsUser – Questions First increase the desired room temperature Day, How do I set the heating controller see [Set the desired temperature – p. 5]. to save energy? Wait for a few hours to give the heating systemHow do I switch to summer/winter !" Set the desired room temperature only as high time to respond to the new setting. as absolutely necessary. The energy consump-time? Should the room(s) still not get warm enough, you tion is increased by around 6% for every de-To switch from summer to winter time and vice can can increase the heat slope for the direct heat- gree, see [Set the desired temperature – p. 5].verse you need to reset the time, see [Set time ing circuit or the mixer circuit, see “Explanation of the !" Set your heating program so that it switchesand day of the week – p. 5]. parameters” – [09 Heat slope direct heating circuit/ the heating off at night or at times when no- 14 heat slope mixer circuit – p. 10]. one is home.How do I set the heating controller Should this measure not be sufficient, see [Help !" Only open you windows briefly to let in fresh with faults – p. 36] and contact your heating engineer.so that it gets warm sooner in the air. Avoid tilted windows over longer periods.morning? How do I set the heating systemThere are two heating programs to set the heat- Which room is allocated to which for holidays?ing times. heating circuit? If you want to go away for a number of days, youHeating program 1 for setting the heating times Please contact your heating engineer to answer can set the heating controller to the operating modeMo – Fr (working week) and Sa – Su (weekend) for this question. You will find a table on the last page “ HO Holiday”. The heating system will revert tothe week as a whole, of these instructions where these allocations can automatic mode at the end of the holiday so thatHeating program 2 for setting the heating times be entered. it will be warm when you come home, see [Setfor each day of the week Mo, Tu, We, Th, Fr, Sa operating mode – p. 6].and Su.Heating program 1 in operating mode 1 is as-signed to automatic mode 1. How can I switch the heatingHeating program 2 in operating mode 2 is as- system off during the summer?signed to automatic mode 2. In summer you should set the heating controller toFirst select automatic mode 1 or 2, see [Set the operating mode “Summer mode”. This modeoperating mode – p. 6]. deactivates heating and the system is only usedThen adjust the associated heating program to suit for hot water, see [Set operating mode – p. 6].your needs, see [Set heating program 1 – p. 7] or[Set heating program 2 – p. 7]. Is it possible to let the heating system run longer in the eveningMy heater does not get warm for special occasions such as aenough. What can I do?You have two options. party? For this purpose select the operating mode “ Day mode”, see [Set operating mode – p. 6].12
  13. 13. Table of contents 13
  14. 14. Expert - Electrical connectionsExpert - Installation Expert - Electrical connections Heating system controller Lago 0321 CAUTION WARNINGThe minimum distance from surrounding heat Possible life-endangering electrical shock! Switchsources is to be chosen so that the permitted the power off to electrical cables before workingambient temperature will not be exceeded during on power-carrying parts!operation, see [Technical data – p. 37]. CAUTION VF SPF1a 1b 2 For fixed devices, an isolating mechanism must 1 2 be installed for shutting off from the network, in accordance with the installation guidelines and KF EN 60335, e.g. with a switch. The insulation for line conductors is to protected against damage by overheating, e.g. insulating3 sleeve. A B Top BA Define application Connect heat source sensor (KF/KFS), flow sensor The Lago 0321 can be used for three different (VF/VFAS) and storage sensor (SPF/SPFS), applications: Parameter 38 = “----” (no heating module address) as a heating system controller, as a mixer ex- The following functions are now active: A A pansion, or as a controller for a heat source in !" control of a single-stage heat source or an alter- native heat removal from a buffer storage tank, B a cascade. !" control of a hot water preparation system, The application is determined automatically by connecting certain sensors on setting specific !" control of a mixed heating circuit, parameters. !" control of a direct heating circuit or, alternatively,A 95 B 75 an additional function with multifunction relay, such as a circulation pump, return flow tem- Ø 3,5 perature increase or header pump. (For this 57 60 purpose, set the DIP switches and parameters 80 – 82. Additional sensors may be required.)14
  15. 15. Expert - Electrical connectionsController for a mixed heating circuit as Controller for a heat source in a cascade:expansion for a heating system controller Heating module Lago 0321 CAN-Bus #1 #2 Merlin Lago 0321 Lago 0321 VF KF KF VF SPFThis application is automatically activated if onlyone flow sensor (VF/VFAS) is connected.Set parameter 23 to heating circuit address (2 – 15). This application is automatically activated as soonThe following functions are now active: as you connect a heat source sensor (KF/KFS) and!" Control of an additional mixed heating circuit set parameter 38 = 1 – 8 (heating module address). (expansion for a heating system controller), e.g. The following functions are now active: in a multi-family unit. !" Control of a heat source in a cascade,!" Control of an additional function with multifunc- !" Control of an additional function with multi- tion relay, e.g. circulation pump or return flow function relay, e.g. heat source pump or return booster. (For this purpose, set the DIP switches flow booster. and parameters 80 – 82.) !" A cascade manager, such as Merlin 5064, is re-The following functions can not be used: quired for heating circuit and hot water control.!" Header pump!" Heat source pump 15
  16. 16. Expert - Electrical connectionsController rear side !" Use solid lines of flexible lines with wire end sleeves for connections (230 V). !" Route bus lines and sensor lines separately Sensor 230 V from power lines. 11 H !" Never mix 1 k and 5 k sensors. CAN-BUS 12 L N 1 13 – L1 2 14 + L1’ 3 1/ 15 1 FBR2 4 2 2 16 5 17 3 6 18 SPF 2 M 7 19 RF GND 8 20 KF T1 9 21 VF 2 T2 10 22 AF ON = OFF = ON 123456 230 V~, switching capacity of the relays 2 A,SELV, safety extra low voltage 250 V~11 – 14 CAN-BUS 1 Neutral conductor mains15 – 17 FBR2, alternatively: 2 Mains voltage heating controller L115 – 16 Room thermostat 3 Mains voltage for the outputs L1‘ Pump heating circuit 1 or16 – 17 Phone switch 4 multifunction relays18 Storage sensor 5 Pump heating circuit 219 Room sensor or multifunction sensor 6 Storage charging pump20 Boiler sensor 7 Mixer Open21 Flow sensor 8 Mixer Close22 Outdoor sensor 9 – 10 Burner electrically isolated16
  17. 17. Expert - Electrical connectionsElectrically connect socket !" Use solid lines of flexible lines with wire end sleeves for connections (230 V). !" Route bus lines and sensor lines separately Sensor 230 V from power lines. N H 11 !" Never mix 1 k and 5 k sensors. N CAN-BUS 1 Top L 12 !" Connect bridge between terminal 16 and the 2 L1 – 13 GND collective terminal strip. 3 L1’ + 14 / 1 Options 4 1 15 FBR2 2 2 5 16 Provided no separate regulations for protecting 6 3 17 the relay apply, a bridge to supply the relay must 7 2 SPF 18 be connected between terminals 2 and 3. M GND 8 RF 19 9 T1 KF 20 10 T2 VF 2 21 230 V AF 22 N 1 230 V 2 L1 N 3 1230 V~, switching capacity of the relays 2 A, SELV, safety extra low voltage Maximum limiter 2250 V~1 Neutral conductor mains 11 – 14 CAN-BUS 32 Mains voltage heating controller L1 15 – 17 FBR2, alternatively: 4 ϑ 23 Mains voltage for the outputs L1‘ 15 – 16 Room thermostat 54 Pump heating circuit 1 or 16 – 17 Phone switch 6 multifunction relays If a maximum limiter is 7 required for the mixed5 Pump heating circuit 2 18 Storage sensor 8 heating circuit, e.g. in combination with underfloor6 Storage charging pump 19 Room sensor or multifunction sensor7 Mixer Open 20 Boiler sensor heating, the limiter must9 connected between be8 Mixer Close 21 Flow sensor 10 terminal 5 and the heating circuit pump.9 – 10 Burner electrically isolated 22 Outdoor sensor 17
  18. 18. Expert - Electrical connectionsExamples of installations Room control Heating system controller for mixed The room temperature can be detected and con- heating circuit and hot water preparationHeating system controller for heat source, trolled as follows: from a buffer storage tankmixed heating circuit and hot water !" FBR2 Remote control with room sensor,preparation !" RFB Room sensor on terminals 15+16, Requirements !" Lago FB, BM8 or Merlin BM operating module, In the condition as supplied to the customer theRequirements controller can be used for this system, provided connected via a CAN-BUS (Terminals 11 – 14).In the condition as supplied to the customer the the required sensors are connected.heating controller can be used for this system, Set parametersprovided the required sensors are connected. P14, P18, P19 and P70 AF Lago 0321 The factory settings apply for all other parameters, 22 AF see [Expert – Set parameters – p. 24]. Lago 0321 22 Set DIP switches 20 78 5 21 6 18 ON = OFF T1 T2 2 20 9 10 78 5 21 6 18 1 2 3 4 5 6 KF, SPF, VF, AF… (5 k ) = ON SPF VF 2 ON SPF 1 2 3 4 5 6 KFS, SPFS, VFAS, AFS… (1 k ) VF 2 See [Expert – Set DIP switches – p. 23] for expla- KF nation. 2 KF 2 Sensors, see [Accessories – p. 33] !" AF/AFS external sensor: only with atmosphericSensors, see [Accessories – p. 33] control!" AF/AFS external sensor: only with atmospheric !" KF/KFS boiler sensor: If the KF/KFS sensor is control connected, the heating circuit pump and the!" KF/KFS boiler sensor: in combination with heat storage charging pump will only be switched on source control when the Warm Up Temperature is exceeded!" VF/VFAS flow sensor: only with mixed heat- at this sensor. The storage charging pump is ing circuit only activated when the heat source tempera-!" SPF/SPFS storage sensor.18
  19. 19. Expert - Electrical connections ture (KF/KFS) is also higher than the hot water Heating system controller for direct Circulation pump, Pump heat source 1, temperature (SPF/SPFS). heating circuit, mixed heating circuit and parameters 80 = 02 P80 = 05!" If no heat source sensor (KF/KFS) is installed, hot water preparation the heating controller will show “--” for noth- KF ing to display. Requirements!" VF/VFAS flow sensor: only with mixed heat- !" DIP switch 4 = “ON” (direct heating circuit) ing circuit SPF !" Set parameter 23 = Address 2 – 15 for the!" SPF/SPFS storage sensor mixed heating circuit.Room control AF Lago 0321The room temperature can be detected and con- 22trolled as follows: 20!" FBR2 Remote control with room sensor, T1 T2 4 9 10 7 8 5 21 6 18Set parameters 2P14, P18, P19, P32, P50, P52, P53 and P70 Return flow booster, SPFThe factory settings apply for all other parameters, VF P80 = 24see [Expert – Set parameters – p. 24] for explana-tions. KF 1 2 KFSet DIP switches 2 ON = OFF 1 2 3 4 5 6 KF, SPF, VF, AF… (5 k ) = ON ON 1 2 3 4 5 6 KFS, SPFS, VFAS, AFS… (1 k ) Set P81 and P82 according toSee [Expert – Set DIP switches – p. 23] for expla- boiler manufacturers Sensors, see [Accessories – p. 33]nation. specifications !" AF/AFS external sensor: only with atmosphericAdditional functions with multifunction controlrelay !" KF/KFS boiler sensor: in combination with heatThe multifunction relay (terminal 4) can be used source controlfor additional functions. !" VF/VFAS flow sensor: only with mixed heat-!" DIP switch 4 = “OFF” (Multifunction relay ac- ing circuit tivated) !" SPF/SPFS storage sensor 19
  20. 20. Expert - Electrical connectionsRoom control !" Set parameter 23 = Address 2 – 15 for the mixer See [Expert – Set DIP switches – p. 23] for expla-The room temperature can be detected and con- circuit to be controlled. This address must not nation.trolled as follows: be assigned to another heating circuit.!" FBR2 remote control with room sensor, Assign the desired heating circuit using DIP switch 5. Lago 0321!" If a second room sensor is connected to terminal 19, it automatically affects the other heating circuit. 78 5 21Set parameters 2P9, P14, P18, P19, P30, P31, P32, P50, P51,P52, P60 and P70 VFThe factory settings apply for all other parameters,see [Expert – Set parameters – p. 24] for explana- 2tions.Set DIP switches 2 ON = OFF 1 2 3 4 5 6 KF, SPF, VF, AF… (5 k ) = ON ON 1 2 3 4 5 6 KFS, SPFS, VFAS, AFS… (1 k ) SensorIf a remote control is connected, set DIP switch 5: !" VF/VFAS flow sensor: for the mixer circuit.!" DIP switch 5 = “ON”: Remote control with room sensor FBR2 for direct heating circuit, Set parameters!" DIP switch 5 = “OFF”: Remote control with P14, P19 and P70 room sensor FBR2 for mixer circuit. The factory settings apply for all other parameters,See [Expert – Set DIP switches – p. 23] for expla- see [Expert – Set parameters – p. 24] for explana-nation. tions.Controller for a mixed heating circuit as Set DIP switchesexpansion for a heating system controller ON = OFFRequirements 1 2 3 4 5 6 KF, SPF, VF, AF… (5 k ) = ON!" This application is automatically activated if ON only one flow sensor (VF/VFAS) is connected. 1 2 3 4 5 6 KFS, SPFS, VFAS, AFS… (1 k )20
  21. 21. Expert - Electrical connectionsAdditional functions with multifunction Controller for a heat source in a cascade: The multifunction relay controls the heatrelay Heating module source pump.The multifunction relay (terminal 4) can be used CAN-Busfor additional functions. Requirements #1 #2!" DIP switch 4 = “OFF” (Multifunction relay ac- This application is automatically activated when Lago Lago Merlin AF tivated) !" a heat source sensor (KF/KFS) is connected 0321 0321 and T2 10 T2 10Circulation pump, Feed pump 1, !" parameter 38 is assigned an address 1 to 88 T1 9 T1 9parameters 80 = 02 P80 = 03 (address heating module). 4 20 4 20 The heating controller controls “his” heat source according to the requests from the cascade con- KF KF troller. VF SPF SPF The internal mixer circuit can be used should the mixer circuits controlled by the cascade controller (e.g. Merlin) be insufficient. In this case, parameter 23 for the internal mixer circuit must be set to an address 1 – 15. Sensors, see [Accessories – p. 33] !" KF/KFS boiler sensor !" VF/VFAS Flow sensor (only with use of the internal mixer circuit) Set parametersReturn flow booster, P30, P31, P32, P38, P80 = 5P80 = 24 The factory settings apply for all other parameters, KF see [Expert – Set parameters – p. 24] for explana- tions. Set DIP switches ON = OFF 1 2 3 4 5 6 KF, SPF, VF, AF… (5 k ) = ON ONSet P81 andP82 according to 1 2 3 4 5 6 KFS, SPFS, VFAS, AFS… (1 k )boiler manufacturers See [Expert – Set DIP switches – p. 23] for expla-specifications nation. 21

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