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SyStEm dESIgn
Design information
to size heat pump systems accurately,
the following points regarding the
building to be heated or cooled must
be known:
Calculation of heating load to
Din en 12831
Calculation of the cooling load to
VDi 2078
Determination of the heating
surface temperature
new build: Determine the
maximum flow temperature
older building: Determine the
maximum flow temperature
Determine or select the most
favourable heat source
Determine the operating mode of
the heat pump according to the
heating system
size the heat pump according to
heat demand and operating mode
Power connection conditions and
requirements for the heat pump
control unit
Connection of the heat pump to
the heating system
DHw heating with the heating heat
pump
General regulations and
guidelines/directives
existing system
Heat pump
buffer cylinder
DHw heating
Summary of Contents for Heat pumps
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