1)
Cold water mains pressure must be limited to 500 kPa. Required P&T relief valve must open at 600 kPa.
2)
Tamb = 42°C Twater = 60°C / 240V
3)
Test point to DIN 8947 at 15 °C air temperature, 70 % rel. humidity and 45 °C water temperature.
4)
Test point at 15 °C air temperature, 70 % rel. humidity, heating up water from 15 °C to 60 °C (according to EN 255 T3)
Type WWK 300 A WWK 300 AP WWK 300 AH WWK 300 AHP
Part no. 222422 227069 227070 227071
Version with active defrost with passive defrost with active defrost
and booster heater
with passive defrost
and booster heater
Application limits for heat pump operation °C 0 to + 42 6 to + 42 0 to + 42 + 6 to + 42
DHW temperature Heat pump
Heating element
°C
°C
+ 60 + 60 + 60
+ 60
+ 60
+ 60
Air flow rate m
3
/h 550 550 550 550
Cylinder capacity l 303 303 303 303
Refrigerant / filling weight -- / g R 134a / 900 R 134a / 900 R 134a / 900 R 134a / 900
Dimensions H /Ø mm 1875 / 660 1875 / 660 1875 / 660 1875 / 660
Height of unit when tilted mm 1990 1990 1990 1990
Height of unit when tilted including packing
mm 2285 2285 2285 2285
Weight dry/wet kg 125 / 428 125 / 428 130 / 432 130 / 432
Water connection inch R 1“ (3/4“ femal with
adapter)
R 1“ (3/4“ femal with
adapter)
R 1“ (3/4“ femal with
adapter)
R 1“ (3/4“ femal with
adapter)
Condensate connection Inch 3/4“ 3/4“ 3/4“ 3/4“
Condenser Safety heat exchanger (tank wrap-around condenser)
Maximum operating pressure, water side
1)
kPa 600 600 600 600
Maximum positive pressure, refrigerant side MPa 2.4 2.4 2.4 2.4
Electrical specification
Voltage / Frequency V / Hz 1/N/PE
~ 240 / 50
Protection IP 24 IP 24 IP 24 IP 24
Maximum power consumption
2)
kW 0.7 0.7 2,25 2,25
Electrical protection A 10 gL 10 gL 10 gL 10 gL
Rated current HP A 2.5 2.5 2.5 2.5
Rated power consumption HP
3)
kW 0.5 0.5 0.5 0.5
Power consumption, booster heater kW 1.690 1.690
Heating output HP
4)
kW approx. 1.7 approx. 1.7 approx. 1.7 approx. 1.7
COP (t)
4)
3.19 3.3 3.19 3.3
2.7 Specification
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