4.HYDRO UNIT
Engineering Data book
37
Heating peak capacity and power input
* Heating capacity and power input are shown peak value during operation
* Heating capacity and power input are shown at maximum compressor operating requency
* Power input does not include water pump power.
Capacity (kW)
LWT (°C)
30 35 40 45 50 55
TO
(°C)
-20 7.12 6.90 6.69 — — —
-15 9.36 9.05 8.76 — — —
-7 12.15 11.72 11.32 10.35 — —
-2 14.09 13.57 13.08 11.96 10.78 —
2 15.35 14.75 14.19 12.97 11.70 10.01
7 17.77 17.08 16.43 15.02 13.53 12.13
10 18.66 17.93 17.25 15.77 14.21 12.74
12 19.92 18.96 18.24 16.67 15.02 13.47
15 21.53 20.09 19.33 17.67 15.91 14.27
20 23.89 21.87 21.04 19.23 17.32 15.53
Power input (kW)
LWT (°C)
30 35 40 45 50 55
TO
(°C)
-20 3.12 3.30 3.57 — — —
-15 3.31 3.52 3.80 — — —
-7 3.52 3.77 4.06 4.08 — —
-2 3.60 3.87 4.16 4.19 4.21 —
2 3.59 3.88 4.16 4.18 4.21 4.25
7 3.65 3.94 4.23 4.25 4.27 4.30
10 3.65 3.94 4.23 4.25 4.27 4.30
12 3.66 3.95 4.24 4.26 4.28 4.31
15 3.69 3.98 4.28 4.30 4.32 4.35
20 3.48 3.75 4.03 4.05 4.07 4.10
COP
LWT (°C)
30 35 40 45 50 55
TO
(°C)
-20 2.28 2.09 1.87 — — —
-15 2.83 2.57 2.30 — — —
-7 3.45 3.11 2.79 2.54 — —
-2 3.91 3.51 3.14 2.86 2.56 —
2 4.27 3.81 3.41 3.10 2.78 2.36
7 4.87 4.34 3.88 3.53 3.17 2.82
10 5.11 4.55 4.08 3.71 3.33 2.96
12 5.44 4.80 4.30 3.91 3.51 3.13
15 5.83 5.05 4.52 4.11 3.68 3.28
20 6.86 5.83 5.22 4.75 4.26 3.79
TO : Outdoor temperature (DB°C) RH85%
LWT : Leaving water temperature (°C)