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31-07-2013, 07:56 PM #1
Temperature glide or something else?
Hi,
I need some explanation regarding pressure and temperature of evaporation. I was working on a heat pump 60 kW refrigerant R407c, I've made some hydraulic reconstructions and charged it with completely with new refrigerant R407C - 16 kg.
The heat pump is working good but I measured the refrigerant pressure at the inlet of the evaporator and it was 7 bar which is about 14 C evaporation temperature but the outlet water is cooled to 7 C??? (condensation is about 22 bar). So the question is: does it happen some temperature glide inside the evaporator or is something else?