Specifications

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6720649497 SM HP270-1 2012/09 en
Pict.56 – Example of cleaning and purifier spray for evaporators application
For the maintenance, diagnostic and performance analysis of the heat pump module and its refrigerant circuit,
following information must be taken in consideration. On chapter 7, additional information is described to help the
understanding of the operation of the circuit.
Parameter
Value for
(+5ºC to +35ºC) and
(-10ºC to +35ºC)
Comments
Type of refrigerant R134a
GWP = 1300 / ODP = 0,00
Ebullition temperature = - 26,1 ºC
Gas charge 375 g
Suction pressure /
Temperature
3,5 bar / 10ºC
outlet of evaporator / inlet to
compressor
Discharge pressure /
Temperature
8 bar / 50ºC
outlet of compressor / inlet to
condenser
Internal pressure /
Temperature
3,5 bar / 4ºC
Inlet of evaporator / outlet of
expansion valve
Refrigerant pressure drop
on evaporator
0,3 bar
Super heat 3,8 K
Sub cooling 2 K
Table 7 - Design data of the heat pump for inlet water and inlet air at 15ºC