Well I have just finished testing my quick and dirty setup. It runs at 48C, which is plenty hot enough for my domestic water. It only pulls 900 watts, and is a 1 ton unit. I have a programmable thermostat, which is set for 2 minutes compressor startup delay with auto shutdown at 0C when the evap hx gets that cold. To maximise the cop, I will set the condenser hx temp to 42C max.
I would like to hack this to put in a refrigerant to water condenser hx,but need flared compression fittings, a suitable hx, a filler valve and some r407c. Is there anyone in the UK that wants to do this for a price?
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