Quote:
Originally Posted by Ormston
Heat is currently provided by this cheap and nasty ASHP.
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I had a very similar heat pump that was also designed for heating water.
I don't know about yours, but the one I had was designed for indoor use only, and it had no crank case heater or anything.
The evaporator HX was about 4 rows thick, and the height and width dimensions were small, compared to an modern mini-split.
The refrigerant-to-water HX was not so big coiled tube-in-tube.
I looked at the published COP figures and decided that I could make it descent if I got a much larger (Height x Width) evaporator HX with less rows, and created a crank case heater, and replaced the HX with brazed plate, and changed the refrigerant, and on, and on...
Just too much work.
I gave it away.
-AC