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REVERSIBLE HEAT PUMP - Technical Manual WRL-H WATER/WATER HEAT PUMP • INDOOR UNIT • HIGH EFFICIENCIES 025/160 • PRODUCTION OF HOT WATER UP TO 60° • USED FOR GEOTHERMAL APPLICATIONS • REVERSIBLE GAS SIDE Aermec participate in the EUROVENT program: LCP/W/P/C.
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AERMEC S.p.A AERMEC S.p.A. reserves the right to make any modifications considered necessary to improve its products at any moment and is not obliged to add these modifications to machines that have already been fabricated, delivered or are under construction.
Calibration of control and safety parameters ..47 Selection and place of installation ......48 16.1. Barycentres ..............48 Anti-legionella function ..........49 Refrigerant circuits ............ 50 18.1. WRL-H 025-080 ............50 18.2. WRL-H 100 - 160 ............51 IWRLTY. 1201. 5890974_06...
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AERMEC S.p.A 37040 Bevilacqua (VR) Italy–Via Roma, 996 Tel. (+39) 0442 633111 Telefax 0442 93730–(+39) 0442 93566 www .aermec. com - info @ aermec. com WRL-H SERIAL NUMBER DECLARATION OF CONFORMITY We, the undersigned, hereby declare under our own responsibility that the assembly...
PRODUCT IDENTIFICATION The WRL-H heat pumps can be identified by: − PACKING LABEL which shows the product identification data − TECHNICAL PLATE (see position chap.
1. GEOTHERMIC SYSTEMS cooled and operate with R410A Silent Production of water for heating refrigerant. The WRL-H units are distinguished for its systems for systems with FAN working silence. COILS, RADIANT PANELS OR LOW They are INDOOR UNITS with hermetic...
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CONFIGURATOR 1,2,3 4,5,6 ° ° ° ° ° FIELD CODE 1, 2, 3 025 - 030 - 040 - 050 - 070 - 080 - 100 - 140 - 160 4, 5, 6 SIZES FIELD OF USE Electronic thermostatic valve with water produced up to 8 °C (AS PER STANDARD FOR ALL MODELS) MODEL: Heat Pump VERSION:...
In case of power failure control. 6.3. MAIN OPERATIONS the valve remains locked "Chiller" water set-point compensation due The WRL-H heat pumps are supplied as per in the working position. In standard with: to external temp. order to avoid unnecessary •...
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system return Set Point is established seconds after the compressor is switched in accordance with the external air off. temperature. Function guaranteed if the external air probe is present (ACCESSORY). Anti-freeze alarm The anti-freeze function is only active if Electronic controller μPC the unit is ON or in stand-by.
ON-OFF valve or a zone pump probe with plastic container. and the dehumidifier. − VMFCRP: Zones Management; − SSM: Probe to be used together with the 7.1. ACCESSORIES COMPATIBILITY TABLE WRL-H AER485P1 ● ● ● ● ● ●...
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Weight Minimum content of water in case of process applications, or operating with low load. Sound power; Aermec determines the sound power value on the basis of measurements taken in accordance with standard 9614-2, in compliance with the Eurovent certification.
OPERATING LIMITS FUNCTIONING LIMITS The operating limits diagram is relative to a ∆t on the evaporator and the condenser of 5°C. Condenser outlet inlet difference (Δtc): 48°C min: 5° C. max: 22° C. Functioning Functioning Standard functioning / X Standard functioning / X Evaporator outlet inlet difference (Δte): with glycol X / Y with glycol X / Y...
8.1. DESIGN DATA High pressure Low pressure REFRIGERANT SIDE side side Acceptable maximum pressure Acceptable maximum temperature °C Acceptable minimum temperature °C IWRLTY. 1201. 5890974_06...
WRL025XH°°°°°°M PERFORMANCE IN HEATING | COOLING MODE PERFORMANCE AND ABSORPTION THAT DIFFER FROM THE NOMINAL - STANDARD VERSIONS. 9.1. WRL025XH°°°°°°°M HEATING MODE Condenser water outlet temperature °C C.O.P. C.O.P. C.O.P. C.O.P. C.O.P. C.O.P. C.O.P. C.O.P. [kW] [kW] [kW] [kW] [kW] [kW] [kW] [kW]...
PRESSURE DROPS FUNCTIONING IN HEATING MODE CONDENSER 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 Water flow rate (l/h) EVAPORATOR 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 14000 15000 16000 Water flow rate (l/h) The tables state the correction to apply to the pressure drops on variation of the...
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COOLING MODE FUNCTIONING CONDENSER/TOTAL RECOVERY 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 Water flow rate (l/h) EVAPORATOR 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 14000 15000 16000 17000 Water flow rate (l/h) The tables state the correction to apply to the pressure drops on variation of the average temperature.
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VERSION WITH STORAGE TANK “A” FUNCTIONING IN HEATING MODE CONDENSER Water flow rate (l/h) COOLING MODE FUNCTIONING EVAPORATOR Water flow rate (l/h) The tables state the correction to apply = “field of application minimum flow rates to the pressure drops on variation of the not accepted with standard have been calculated with average temperature.
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WRL025°H°T°°°°M TOTAL RECOVERY PERFORMANCE WRL030°H°T°°°°M 10.1. WRL025°H°T°°°°M TOTAL RECOVERY OUTPUT WATER TEMPERATURE °C [kW] [kW] [kW] [kW] [kW] [kW] [kW] [kW] 5.49 1.41 5.43 1.59 5.42 1.80 5.43 2.03 5.48 2.30 5.87 1.39 5.80 1.57 5.76 1.78 5.75 2.02 5.77 2.29 6.26 1.37...
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WRL040°H°T°°°°M TOTAL RECOVERY PERFORMANCE WRL025°H°T°°°°° 10.3. WRL040°H°T°°°°M TOTAL RECOVERY OUTPUT WATER TEMPERATURE °C [kW] [kW] [kW] [kW] [kW] [kW] [kW] [kW] 8.87 2.02 8.68 2.27 8.57 2.55 8.52 2.88 8.51 3.25 9.51 2.00 9.28 2.25 9.13 2.54 9.03 2.87 8.97 3.25 10.15 1.98...
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WRL030°H°T°°°°° TOTAL RECOVERY PERFORMANCE WRL040°H°T°°°°° 10.5. WRL030°H°T°°°°° TOTAL RECOVERY OUTPUT WATER TEMPERATURE °C [kW] [kW] [kW] [kW] [kW] [kW] [kW] [kW] 6.56 1.45 6.58 1.66 6.64 1.91 6.72 2.20 6.78 2.51 7.11 1.43 7.10 1.65 7.12 1.90 7.15 2.19 7.17 2.51 7.63 1.42...
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WRL050°H°T°°°°° TOTAL RECOVERY PERFORMANCE WRL070°H°T°°°°° 10.7. WRL050°H°T°°°°° TOTAL RECOVERY OUTPUT WATER TEMPERATURE °C [kW] [kW] [kW] [kW] [kW] [kW] [kW] [kW] 11.85 2.56 11.61 2.90 11.47 3.25 11.40 3.62 11.37 4.05 12.68 2.53 12.39 2.87 12.20 3.22 12.07 3.60 11.98 4.03 13.50 2.50...
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WRL080°H°T°°°°° TOTAL RECOVERY PERFORMANCE WRL100°H°T°°°°° 10.9. WRL080°H°T°°°°° TOTAL RECOVERY OUTPUT WATER TEMPERATURE °C [kW] [kW] [kW] [kW] [kW] [kW] [kW] [kW] 15.81 4.00 16.39 4.37 16.24 4.79 15.22 5.26 13.17 5.78 16.86 4.00 17.39 4.38 17.31 4.81 16.49 5.30 14.77 5.85 18.05 4.00...
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WRL140°H°T°°°°° TOTAL RECOVERY PERFORMANCE WRL160°H°T°°°°° 10.11. WRL140°H°T°°°°° TOTAL RECOVERY OUTPUT WATER TEMPERATURE °C [kW] [kW] [kW] [kW] [kW] [kW] [kW] [kW] 27.15 6.85 26.77 7.47 26.39 8.17 26.05 8.95 25.81 9.83 29.75 6.85 29.23 7.48 28.71 8.21 28.23 9.04 27.84 9.96 32.35 6.84...
ETHYLENE GLYCOL SOLUTIONS − The corrective factors of cooling FcGDpF (a) 2.20 FcGDpF (b) capacity and input power take into 2. 1 0 2.00 account the presence of glycol FcGDpF (c) 1.90 and the difference in evaporation FcGDpF (d) 1.80 temperatures.
USEFUL STATIC PRESSURES FUNCTIONING IN HEATING MODE CONDENSER USEFUL STATIC PRESSURES Water flow rates (l/h) EVAPORATOR USEFUL STATIC PRESSURES Water flow rates (l/h) If work points are selected outside of the static pressure curves range, contact the head office. IWRLTY. 1201. 5890974_06...
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COOLING MODE FUNCTIONING CONDENSER USEFUL STATIC PRESSURES Water flow rates (l/h) EVAPORATOR USEFUL STATIC PRESSURES Water flow rates (l/h) TOTAL RECOVERY USEFUL STATIC PRESSURES Water flow rates (l/h) IWRLTY. 1201. 5890974_06...
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VERSION WITH INVERTER PUMP “I” COOLING MODE FUNCTIONING CONDENSER USEFUL STATIC PRESSURES WITH INVERTER PUMP Water flow rates (l/h) FUNCTIONING IN HEATING MODE EVAPORATOR USEFUL STATIC PRESSURES WITH INVERTER PUMP Water flow rates (l/h) If work points are selected outside of the static pressure curves range, contact the head office.
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VERSION WITH STORAGE TANK “A” FUNCTIONING IN HEATING MODE STORAGE TANK USEFUL STATIC PRESSURES WITH INVERTER PUMP 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 14000 15000 16000 17000 Water flow rates (l/h) COOLING MODE FUNCTIONING EVAPORATOR USEFUL STATIC PRESSURES WITH INVERTER PUMP 1000 2000 3000...
Water inlet temperature ....40 °C Water outlet temperature ..45 °C Sound power; Aermec determines the sound power value on the basis of measurements taken in accordance with standard 9614-2, in com- pliance with the Eurovent certification. Sound pressure in an unrestricted range on a reflective plane (directional fact. Q=2), 1m away from the unit external surface, complying with ISO 3744.
CALIBRATION OF CONTROL AND SAFETY PARAMETERS CONTROL PARAMETERS 6°C Cooling Set Inlet water temperature in cooling functioning mode. 20°C DEFAULT 7°C 20°C Heating Set Inlet water temperature in heating functioning mode. 55°C DEFAULT 40°C -99°C Anti-freeze Intervention temperature of the anti-freeze alarm on the EV side (water 99°C intervention outlet temperature).
SELECTION AND PLACE OF INSTALLATION The WRL-H heat pump is set-up for an with national laws in the country of INTERNAL application. destination. It is shipped pre-tested and only requires − It is mandatory to foresee to the the electrical and hydraulic connections.
ANTI-LEGIONELLA FUNCTION The ANTI-LEGIONELLA function is DHW reaches a maximum of 65°C for ATTENTION: designed to eliminate legionella germs at least 5 minutes and a maximum of Changing parameters that that can reside in the DHW tanks. This 120 minutes, every Sunday at 3.00 a.m. identifi...
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MAIN COOLING LAYOUT 18.1. WRL-H STANDARD 025 / 080 Condenser Compressor Evaporator Dehydrator filter High pressure switch High pressure transducer Indicator for liquid passage Low pressure transducer Electronic thermostati c valve Cycle reversing valve 18.2. WRL-H STANDARD 100 / 160...
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18.3. WRL-HT 025 / 080 Condenser Compressor Evaporator Dehydrator filter High pressure switch High pressure transducer Indicator for liquid passage Low pressure transducer Total recovery (opti onal version) Electronic thermostati c valve Cycle reversing valve 18.4. WRL-HT 100 / 160 Condenser Compressor Evaporator...
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Telefax (+39) 0442 93730 - (+39) 0442 93566 The technical data given on the following documentation is www .aermec. com not binding. Aermec reserves the right to apply at any time all the modifications deemed necessary for improving the product.
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