Viessmann VITOCAL Series - Page 41

Coefficient of performance COP at flow temperatures of 35 °C,
45 °C, 55 °C, 60 °C
6
4
2
0
10
8
-20 -15 -10 -5 0 5 10 15 20 25 30
45 °C
60 °C
35 °C
55 °C
COP
ϑ in °C
ϑ Air intake temperature
P Heating output
P
el
Power consumption
COP Coefficient of performance
Note
■ The COP data in the tables and diagrams was calculated with ref-
erence to EN 14511.
■ Performance characteristics apply to new appliances with clean
plate heat exchangers.
Operating point W °C 35
A °C –20 –15 –7 2 7 10 20 30
Max. heating output kW 6.55 7.61 10.09 10.09 12.60 14.35 16.64 20.13
Rated heating output kW 6.55 7.61 10.09 6.10 7.58 8.21 10.11 12.56
Power consumption kW 3.04 3.06 3.17 1.49 1.51 1.49 1.40 1.21
Coefficient of performance ε (COP) 2.15 2.49 3.18 4.10 5.01 5.51 7.24 10.36
Min. heating output kW 3.94 4.38 4.09 4.38 5.45 6.02 7.61 9.63
Operating point W °C 45
A °C –20 –15 –7 2 7 10 20 30
Max. heating output kW 6.95 8.06 9.52 9.87 10.28 13.75 15.16 17.24
Rated heating output kW 6.95 8.06 9.52 5.79 7.17 7.79 9.64 11.99
Power consumption kW 3.78 3.76 3.78 1.92 1.91 1.90 1.85 1.74
Coefficient of performance ε (COP) 1.84 2.14 2.52 3.02 3.75 4.09 5.20 6.91
Min. heating output kW 3.84 4.75 5.79 5.10 5.09 5.61 7.22 8.50
Operating point W °C 55
A °C –20 –15 –7 2 7 10 20 30
Max. heating output kW 8.32 10.08 9.25 12.20 12.94 14.56 16.50
Rated heating output kW 8.32 10.08 6.99 7.89 8.44 11.10 12.39
Power consumption kW 4.63 4.54 2.70 2.67 2.64 2.78 2.45
Coefficient of performance ε (COP) 1.80 2.22 2.59 2.96 3.20 3.99 5.06
Min. heating output kW 4.25 6.20 6.43 7.88 8.44 10.36 12.75
Operating point W °C 60
A °C –20 –15 –7 2 7 10 20 30
Max. heating output kW 9.46 8.56 11.14 11.67 13.94 16.08
Rated heating output kW 9.46 6.95 8.32 8.96 10.72 13.12
Power consumption kW 4.85 3.22 3.24 3.23 3.20 3.15
Coefficient of performance ε (COP) 1.95 2.16 2.57 2.77 3.35 4.17
Min. heating output kW 6.29 6.94 8.34 8.95 10.71 13.12
Curves
(cont.)
VITOCAL
VIESMANN
41
5831388
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