Appendix; Basis Of Calculation Cop - TESTO 570 Instruction Manual

9 Appendix

9
9.1.
Designation
Power
consumption
Volume flow
Density of
medium
Specific heat
capacity
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Appendix

Basis of calculation COP

Heat pump
The heating power and the efficiency calculation. COP heat pump
are calculated by the testo 570 as follows:
• Heating power = Volumetric flow rate x density of medium x
specific heat capacity x ∆T (K) / 3600
• COP = Heating power / power consumption
The following values can be entered via
Unit Input range
kW 0,000–9,999
3
m /h 00.0-99.9
kg/m³ 0000.0-9999.9 1000.0
kJ/(kg 0,000-9,999
x K)
www.
[Set]
Factory
setting
2,000
20.0
4,182
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0560 5520
| [Efficiency calc.]:
Description
Electric power
consumption of system
(e.g. compressor)
Volumetric flow rate of
fluid in the secondary
circuit of the heat pump
(e.g. brine circuit)
Density of medium in
secondary circuit (e.g.
water, brine, etc.)
Specific heat capacity
of medium in
secondary circuit (e.g.
water, brine, etc.)
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