
2.4
Heat pump service limits in monovalent mode
-20°C; 22°C
-20°C; 43°C
-10; 55
35; 55
35°C; 22°C
15°C
20°C
25°C
30°C
35°C
40°C
45°C
50°C
55°C
60°C
-30°C
-20°C
-10°C
0°C
10°C
20°C
30°C
40°C
V
or
la
u
ft
em
pe
ra
tu
r [
°C
]
Außentemperatur [°C]
Einsatzgrenzen WKF 120
VT
[ °
C]
[ ° C]
AT
Fig. 6: Service limits and test points WKF/WKF-compact 120
AT: Outside temperature / VT: Inlet temperature
Outdoor temperature [°C]
-20
-20
-10
20
35
35
Inlet temperature [°C]
22
43
55
55
55
22
-20°C; 22°C
-20°C; 42°C
-10; 55
35; 55
35°C; 22°C
15°C
20°C
25°C
30°C
35°C
40°C
45°C
50°C
55°C
60°C
-30°C
-20°C
-10°C
0°C
10°C
20°C
30°C
40°C
V
or
la
u
ft
em
pe
ra
tu
r [
°C
]
Außentemperatur [°C]
VT
[ °
C]
[ ° C]
AT
Fig. 7: Service limits and test points WKF/WKF-compact 180
AT: Outside temperature / VT: Inlet temperature
Outdoor temperature [°C]
-20
-20
-10
20
35
35
Inlet temperature [°C]
22
42
55
55
55
22
NOTE:
Note: The left temperature value in the diagram refers to the supply-temperature heating water and
the lower refers the outdoor air temperature.
13