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I need to move a domestic heat pump (extenal part)

I have a domestic heat pump which I need to temporaily move the external unit. Do I need to de-gas the unit ?
The external unit is on my roof and the internal part is in my ceiling cavity

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Attach refrigerant gauges to the refrigerant pressure service valves.Have a valve wrench at hand.
Start the unit. Using the valve wrench close"tighten" the high side valve. That is the smaller refrigerant line. Watch your gauge pressure as it falls. When the low side pressure(the large line) reaches "0" pressure,tighten the low side valve to turn it off. Once it is tight shutoff the compressor at the outside disconnect power box.
This procedure draws the refrigerant into the outside unit so that you can safely move it without losing or recovering refrigerant.

Posted on Nov 19, 2009

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