CALCULATION FORM FOR AIR-TO-WATER COP AND ENERGY BALANCE MEASUREMENT
………
No. Odbiór tflow QHP1 QHP2 QHP ΣQHP ΣQHP EelHP1 EelHP2 EelHP COP texternal
- - °C GJ GJ GJ GJ kWh kWh kWh kWh - °C
1 buffer 2 DHW tank
Pomiary strumiena powietrza przepływającego przez parownik:
- Nr pom. v vav t tav ϕ ϕav A i V Qevaporator τ Erenewable
- - m/s m/s °C °C % % m2 kJ/kg m3/h kW min kWh
1 2 1 2
1 GJ = 278 kWh ρ - air density (from i-x chart)
COP = ∑Q
HP/E
elHPi
in, i
out- from i-x chart basing on the temperature and humidity V = v · A · 3600 E
renewable= Q
evaporator· τ / 60
Q
evaporator= A · v · ρ · (i
in-i
out) ∑Q
HP≤ E
elHP+ E
renevable0,139 Measurement No:
50
air in
air out
COP measurement
TABLE FOR CALCULATION ON ARCHIVAL DATA AND THE PERFORMANCE DATA OF THE HEAT PUMP PROVIDED BY THE MANUFACTURER
Date and time tsupply QPC EelPC tair COP
- °C GJ GJ °C -
tair COP(60) COP(50) COP(35)
-20 1,42 1,71 2,13
-15 1,59 1,90 2,43
-10 1,77 2,00 2,62
-5 1,93 2,10 2,84
0 2,03 2,26 3,09
5 2,28 2,46 3,32
10 2,55 3,08 3,90
15 2,77 3,09 4,38
20 2,85 3,43 4,34
25 3,05 3,61 4,45
30 3,25 3,81 4,59
0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0 4,5 5,0
-20,0 -10,0 0,0 10,0 20,0 30,0
C O P
t
air[°C]
The WPL 23 heat pump COP data
COP(60) COP(50) COP(35)
