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WRL H
Water cooled reversible heat pump
Water/Water for indoor installation
Scroll compressor, Plate exchanger
Cooling capacity 15.00/26.8 tons
Heating capacity 185.807/319.540 BTU/h
60Hz
PGD1
Simplified remote panel.
ACCESSORY
VERSION AND FEATURES
MODELS
•	WRL_H	 heat pump refrigerant side cycle inversion.
RECOVERY
•	WRL_°	 without heat recovery.
•	WRL_D	with desuperheater.
OPERATING LIMIT
Standard version
Max. evaporator water outlet temperature 64,4°F
Min. evaporator water outlet temperature 17,6°F
Max. condenser water outlet temperature 131°F
Min. condenser water outlet temperature 77°F
FEATURES
WRL is the range of water cooled chillers operating with
refrigerant R410A. They are internal units with hermetic
scroll compressors that respond perfectly to the market
requirements: small dimensions, ease of installation,
low noise.
High efficiency
Aermec has designed these units to optimise heat
pump operation, providing high performances and low
energy consumption.
Connections
The electric and hydraulic connections are all located
on the upper part of the unit facilitating installation and
maintenance. This allows reduced plant room space and
installation in the smallest space possible.
Silent
The WRL units are distinguished for their silence in op-
eration. Careful soundproofing of the unit with suitable
sound-absorbent material results in low sound levels
for all units.
Dynamic set point
Using the latest generation of electronic controller and
with an external air temperature sensor (accessory),
the heat pump unit can vary the leaving water tempera-
ture based on climatic conditions, thus increasing the
energy efficiency of the system.
Advantages
Using the latest innovative technology and focus on
maximum quality gives the WRL series the maximum
energy efficiency, ease of installation, and most versatile
application using renewable energy sources.
Technical features
• 	 Structure and base in hot dip galvanised sheet steel
with epoxy paint finish (RAL 9002).
•	 Generously sized plate heat exchangers.
•	 Compressors with high performance and low electri-
cal input.
•	 Flow switch as standard.
•	 Conforms with Safety Directives (CE) and the stand-
ards regarding electromagnetic compatibility.
	 The safety of the unit is provided by the door
interlocked isolator and active protection of the main
components.
•	 Externally mounted user interface with display of all
operating parameters in 4 languages.
•	 Latest generation of electronic controller.
•	 User-friendly remote mounted control panel with
alarm notification.
•	 HIGH EFFICIENCIES
•	 POSSIBILITY OF HAVING:
	 PARTIAL HEAT RECOVERY
	 PRODUCTION OF HOT WATER UP TO 131°F
•	 SUITABLE FOR GEOTHERMAL APPLICATIONS
ACCESSORIES
•	 AER485P1: RS-485 interface for supervising systems with MODBUS protocol.
•	 VT: Anti-vibration mounts to be assembled under the unit's sheet steel base.
•	 PGD1: Simplified remote panel. Allows to perform the basic controls of the unit with alarm signals. Can be controlled from a max of 500 m with 2 PAIRS of TWISTED cable +
SHIELD with shielded pairs and TCONN6J000.
WRL-H 200 400 500
AER485P1 ● ● ●
VT 9 9 15
PGD1 ● ● ●
ACCESSORY COMPATIBILITY
Field:
1 2 3 Code WRL			
4 5 6 Size 200, 400, 500
7 Field of use
° standard mechanical thermostatic valve (min. water out temp +39,2°F)
Y mechanical thermostatic valve (water outlet temp range 17,6 ÷ 39,2°F)
X electronic thermostatic valve (min. water out temp +39,2°F, contact the factory for lower temperatures)
8 Model:
H heat pump refrigerant side cycle inversion
9 Version:
° standard
10 Heat recovery
° without heat recovery
D with desuperheater
11 External side pump
° without hydronic kit
U high head pump
V modulating 2 way valve
12 System side pumps
° without hydronic kit
N high head pump
13 Reserved blank
°
14 Soft start
° without soft start
S soft start
15 Power supply
6 230V 3 60Hz with magnetic circuit breaker
7 460V 3 60Hz with magnetic circuit breaker
8 575V 3 60Hz with magnetic circuit breaker
UNIT CONFIGURATOR
TECHNICAL DATA
Model WRL-H 200 400 500
Cooling capacity tons 15.00 20.36 26.81
Total input power kW 11.54 15.18 19.14
Evaporator water flow rate gpm 35.96 48.81 64.25
Pressure drops p.s.i. 3.0 5.4 2.7
Condenser water flow gpm 45.16 61.30 80.69
Condenser pressure drop p.s.i. 4.4 8.0 3.9
Heating capacity BTU/h 185.807 252.840 319.540
Total input power kW 15.00 20.4 24
Condenser water flow gpm 41.24 56.12 70.92
Condenser pressure drop p.s.i. 4.0 7.1 3.2
Evaporator water flow gpm 30.45 41.44 53.65
Evaporator pressure drop p.s.i. 2.0 3.6 1.7
ENERGY INDICES
EER BTU/W 15.61 16.11 16.82
COP W/W 3.63 3.63 3.90
IPLV BTU/W 20.39 21.05 21.98
SCROLL COMPRESSORS
Compressors n° 2 2 2
Circuits n° 1 1 1
Refrigerant type R410A R410A R410A
Charges lb n.d. n.d. n.d.
HYDRAULIC CONNECTIONS
Evaporator connection Ø 2" 2" 2"½
Condenser connection Ø 2" 2" 2"½
SOUND DATA
Sound pressure dB(A) 46 50 51
Sound power dB(A) 78 82 83
Reference data (AHRI standard):
COOLING
Evaporator
Water outlet temperature		 6.7°C / 44°F
Water flow			 0.043l/s per kW - 2.4gpm/ton
∆t			 5.56K
Condenser
Water inlet temperature		 29.4°C / 85°F
Water flow			 0.054l/s per kW - 3gmp/ton
∆t			 5.31K
HEATING
Evaporator:
Water inlet temperature		 10°C - 50°F
Water outlet temperature		 5°C - 41°F
∆t			5K
Condenser:
Water inlet temperature		 40°C - 104°F
Water outlet temperature		 45°C - 113°F
∆t	 		5K
SOUND PRESSURE
Sound pressure in free field, at 33ft distance from the external surface of the unit.
Aermec S.p.A.
Via Roma, 996 - 37040 Bevilacqua (VR) - Italy
Tel 0442633111 - Fax 044293730
www.aermec.com
Aermec reserves the right to make all modification deemed necessary
for improving the product at any time with any modification of
technical data.
WRL-HP_Y_NA60_00
DIMENSIONS
Dimensions 200 400 500
Height A in 54.3 54.3 54.3
Width B in 33.3 33.3 33.3
Depth C in 52.0 52.0 81.1
Empty weight - lb 715 852 1192
A
B
BC
C
A
WRL-H 200/400 WRL-H 500

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Wrl hp y-na60_00

  • 1. WRL H Water cooled reversible heat pump Water/Water for indoor installation Scroll compressor, Plate exchanger Cooling capacity 15.00/26.8 tons Heating capacity 185.807/319.540 BTU/h 60Hz PGD1 Simplified remote panel. ACCESSORY VERSION AND FEATURES MODELS • WRL_H heat pump refrigerant side cycle inversion. RECOVERY • WRL_° without heat recovery. • WRL_D with desuperheater. OPERATING LIMIT Standard version Max. evaporator water outlet temperature 64,4°F Min. evaporator water outlet temperature 17,6°F Max. condenser water outlet temperature 131°F Min. condenser water outlet temperature 77°F FEATURES WRL is the range of water cooled chillers operating with refrigerant R410A. They are internal units with hermetic scroll compressors that respond perfectly to the market requirements: small dimensions, ease of installation, low noise. High efficiency Aermec has designed these units to optimise heat pump operation, providing high performances and low energy consumption. Connections The electric and hydraulic connections are all located on the upper part of the unit facilitating installation and maintenance. This allows reduced plant room space and installation in the smallest space possible. Silent The WRL units are distinguished for their silence in op- eration. Careful soundproofing of the unit with suitable sound-absorbent material results in low sound levels for all units. Dynamic set point Using the latest generation of electronic controller and with an external air temperature sensor (accessory), the heat pump unit can vary the leaving water tempera- ture based on climatic conditions, thus increasing the energy efficiency of the system. Advantages Using the latest innovative technology and focus on maximum quality gives the WRL series the maximum energy efficiency, ease of installation, and most versatile application using renewable energy sources. Technical features • Structure and base in hot dip galvanised sheet steel with epoxy paint finish (RAL 9002). • Generously sized plate heat exchangers. • Compressors with high performance and low electri- cal input. • Flow switch as standard. • Conforms with Safety Directives (CE) and the stand- ards regarding electromagnetic compatibility. The safety of the unit is provided by the door interlocked isolator and active protection of the main components. • Externally mounted user interface with display of all operating parameters in 4 languages. • Latest generation of electronic controller. • User-friendly remote mounted control panel with alarm notification. • HIGH EFFICIENCIES • POSSIBILITY OF HAVING: PARTIAL HEAT RECOVERY PRODUCTION OF HOT WATER UP TO 131°F • SUITABLE FOR GEOTHERMAL APPLICATIONS
  • 2. ACCESSORIES • AER485P1: RS-485 interface for supervising systems with MODBUS protocol. • VT: Anti-vibration mounts to be assembled under the unit's sheet steel base. • PGD1: Simplified remote panel. Allows to perform the basic controls of the unit with alarm signals. Can be controlled from a max of 500 m with 2 PAIRS of TWISTED cable + SHIELD with shielded pairs and TCONN6J000. WRL-H 200 400 500 AER485P1 ● ● ● VT 9 9 15 PGD1 ● ● ● ACCESSORY COMPATIBILITY Field: 1 2 3 Code WRL 4 5 6 Size 200, 400, 500 7 Field of use ° standard mechanical thermostatic valve (min. water out temp +39,2°F) Y mechanical thermostatic valve (water outlet temp range 17,6 ÷ 39,2°F) X electronic thermostatic valve (min. water out temp +39,2°F, contact the factory for lower temperatures) 8 Model: H heat pump refrigerant side cycle inversion 9 Version: ° standard 10 Heat recovery ° without heat recovery D with desuperheater 11 External side pump ° without hydronic kit U high head pump V modulating 2 way valve 12 System side pumps ° without hydronic kit N high head pump 13 Reserved blank ° 14 Soft start ° without soft start S soft start 15 Power supply 6 230V 3 60Hz with magnetic circuit breaker 7 460V 3 60Hz with magnetic circuit breaker 8 575V 3 60Hz with magnetic circuit breaker UNIT CONFIGURATOR
  • 3. TECHNICAL DATA Model WRL-H 200 400 500 Cooling capacity tons 15.00 20.36 26.81 Total input power kW 11.54 15.18 19.14 Evaporator water flow rate gpm 35.96 48.81 64.25 Pressure drops p.s.i. 3.0 5.4 2.7 Condenser water flow gpm 45.16 61.30 80.69 Condenser pressure drop p.s.i. 4.4 8.0 3.9 Heating capacity BTU/h 185.807 252.840 319.540 Total input power kW 15.00 20.4 24 Condenser water flow gpm 41.24 56.12 70.92 Condenser pressure drop p.s.i. 4.0 7.1 3.2 Evaporator water flow gpm 30.45 41.44 53.65 Evaporator pressure drop p.s.i. 2.0 3.6 1.7 ENERGY INDICES EER BTU/W 15.61 16.11 16.82 COP W/W 3.63 3.63 3.90 IPLV BTU/W 20.39 21.05 21.98 SCROLL COMPRESSORS Compressors n° 2 2 2 Circuits n° 1 1 1 Refrigerant type R410A R410A R410A Charges lb n.d. n.d. n.d. HYDRAULIC CONNECTIONS Evaporator connection Ø 2" 2" 2"½ Condenser connection Ø 2" 2" 2"½ SOUND DATA Sound pressure dB(A) 46 50 51 Sound power dB(A) 78 82 83 Reference data (AHRI standard): COOLING Evaporator Water outlet temperature 6.7°C / 44°F Water flow 0.043l/s per kW - 2.4gpm/ton ∆t 5.56K Condenser Water inlet temperature 29.4°C / 85°F Water flow 0.054l/s per kW - 3gmp/ton ∆t 5.31K HEATING Evaporator: Water inlet temperature 10°C - 50°F Water outlet temperature 5°C - 41°F ∆t 5K Condenser: Water inlet temperature 40°C - 104°F Water outlet temperature 45°C - 113°F ∆t 5K SOUND PRESSURE Sound pressure in free field, at 33ft distance from the external surface of the unit.
  • 4. Aermec S.p.A. Via Roma, 996 - 37040 Bevilacqua (VR) - Italy Tel 0442633111 - Fax 044293730 www.aermec.com Aermec reserves the right to make all modification deemed necessary for improving the product at any time with any modification of technical data. WRL-HP_Y_NA60_00 DIMENSIONS Dimensions 200 400 500 Height A in 54.3 54.3 54.3 Width B in 33.3 33.3 33.3 Depth C in 52.0 52.0 81.1 Empty weight - lb 715 852 1192 A B BC C A WRL-H 200/400 WRL-H 500