Table 2-5.3: HTW-V7WD2N8 heating capacity - peak values
1
Outdoor air temp.
LWT (⁰C)
30
35
40
45
50
55
60
⁰C DB
⁰C WB
HC
PI
COP HC
PI
COP HC
PI
COP HC
PI
COP HC
PI
COP HC
PI
COP HC
PI
COP
-25.0
-
2.8 0.7 3.74 2.7 1.1 2.54
-20.0
-
3.5 0.8 4.59 3.4 1.1 3.08 3.4 1.4 2.35
-15.0
-
4.3 0.9 4.86 4.2 1.2 3.55 4.0 1.6 2.56 3.9 2.0 1.95 3.8 2.1 1.82
-7.0
-8.0
5.5 1.0 5.71 5.3 1.3 4.16 5.1 1.6 3.23 4.9 1.9 2.61 4.8 2.2 2.18 4.6 2.5 1.85 4.4 2.8 1.60
-2.0
-3.0
6.4 1.0 6.12 6.1 1.3 4.60 5.9 1.6 3.64 5.6 1.9 2.98 5.4 2.2 2.50 5.1 2.4 2.13 4.9 2.7 1.84
2.0
1.0
8.4 1.2 7.11 7.9 1.4 5.48 7.3 1.7 4.38 6.8 1.9 3.59 6.3 2.1 2.99 5.8 2.3 2.52 5.3 2.5 2.14
7.0
6.0
6.8 1.1 5.94 6.6 1.3 4.93 6.5 1.6 4.19 6.4 1.8 3.62 6.2 2.0 3.17 6.1 2.2 2.81 6.0 2.4 2.51
15.0
12.0
7.4 1.0 7.62 7.2 1.1 6.33 7.1 1.3 5.38 6.9 1.5 4.65 6.8 1.7 4.07 6.6 1.8 3.60 6.5 2.0 3.22
20.0
15.0
7.2 0.8 8.53 7.1 1.0 7.08 6.9 1.2 6.02 6.8 1.3 5.20 6.6 1.5 4.56 6.5 1.6 4.04 6.3 1.8 3.60
25.0
18.0
6.7 0.7 9.32 6.6 0.8 7.74 6.4 1.0 6.57 6.3 1.1 5.68 6.1 1.2 4.98 6.0 1.4 4.41 5.9 1.5 3.94
30.0
22.0
5.8 0.6 9.92 5.7 0.7 8.23 5.5 0.8 7.00 5.4 0.9 6.05 5.3 1.0 5.30 5.2 1.1 4.69 5.1 1.2 4.19
35.0
24.0
4.5 0.4 10.20 4.4 0.5 8.47 4.3 0.6 7.19 4.2 0.7 6.22 4.1 0.8 5.45 4.0 0.8 4.82
Abbreviations:
LWT: Leaving water temperature (°C )
HC: Total heating capacity (kW)
PI: Power input (kW)
Notes:
1. Peak heating capacity values do not take account of capacity drops caused by frost accumulation and during defrosting.
Table 2-5.4: HTW-V7WD2N8 heating capacity - integrated values
1
Outdoor air temp.
LWT (⁰C)
30
35
40
45
50
55
60
⁰C DB
⁰C WB
HC
PI
COP HC
PI
COP HC
PI
COP HC
PI
COP HC
PI
COP HC
PI
COP HC
PI
COP
-25.0
-
2.5 0.7 3.36 2.4 1.0 2.39
-20.0
-
3.1 0.8 4.13 3.1 1.1 2.89 3.0 1.4 2.20
-15.0
-
3.8 0.8 4.76 3.7 1.1 3.35 3.7 1.4 2.56 3.6 1.7 2.05 3.5 2.1 1.70
-7.0
-8.0
4.9 0.9 5.46 4.8 1.2 4.00 4.7 1.5 3.12 4.6 1.8 2.54 4.5 2.1 2.13 4.4 2.4 1.82 4.3 2.7 1.58
-2.0
-3.0
5.6 1.0 5.73 5.5 1.3 4.36 5.3 1.5 3.48 5.2 1.8 2.88 5.1 2.1 2.44 5.0 2.4 2.11 4.9 2.7 1.84
2.0
1.0
6.1 1.0 5.86 6.0 1.3 4.62 5.9 1.5 3.79 5.7 1.8 3.19 5.6 2.1 2.73 5.5 2.3 2.38 5.4 2.6 2.10
7.0
6.0
6.8 1.1 5.94 6.6 1.3 4.93 6.5 1.6 4.19 6.4 1.8 3.62 6.2 2.0 3.17 6.1 2.2 2.81 6.0 2.4 2.51
15.0
12.0
7.4 1.0 7.62 7.2 1.1 6.33 7.1 1.3 5.38 6.9 1.5 4.65 6.8 1.7 4.07 6.6 1.8 3.60 6.5 2.0 3.22
20.0
15.0
7.2 0.8 8.53 7.1 1.0 7.08 6.9 1.2 6.02 6.8 1.3 5.20 6.6 1.5 4.56 6.5 1.6 4.04 6.3 1.8 3.60
25.0
18.0
6.7 0.7 9.32 6.6 0.8 7.74 6.4 1.0 6.57 6.3 1.1 5.68 6.1 1.2 4.98 6.0 1.4 4.41 5.9 1.5 3.94
30.0
22.0
5.8 0.6 9.92 5.7 0.7 8.23 5.5 0.8 7.00 5.4 0.9 6.05 5.3 1.0 5.30 5.2 1.1 4.69 5.1 1.2 4.19
35.0
24.0
4.5 0.4 10.20 4.4 0.5 8.47 4.3 0.6 7.19 4.2 0.7 6.22 4.1 0.8 5.45 4.0 0.8 4.82
Abbreviations:
LWT: Leaving water temperature (°C )
HC: Total heating capacity (kW)
PI: Power input (kW)
Notes:
1. Integrated heating capacity values take account of capacity drops caused by frost accumulation and during defrosting.
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