
2.7
Characteristic curves
Heating capacity at an inlet temperature 35 °C
[°C]
[k
W
]
AT
HL
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
-15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6
7
8 9 10 11 12 13 14 15 16 17 18 19 20
n-min
n-max. 88 Hz
n-max. 73 Hz
n-max. 58 Hz
NF
54 Hz
Fig. 11: Heating capacity WKF/WKF-compact 120 at an inlet temperature of 35 °C
AT: Outdoor temperature
HL: Heating capacity
NF: Rated frequency
Heating capacity at an inlet temperature 45 °C
[°C]
[k
W
]
AT
HL
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
-15 -14 -13 -12 -11 -10 -9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
n-min.
n-max. 88 Hz
n-max. 73 Hz
n-max. 58 Hz
NF
54 Hz
Fig. 12: Heating capacity WKF/WKF-compact 120 at an inlet temperature of 45 °C
AT: Outdoor temperature
HL: Heating capacity
NF: Rated frequency
17