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No cold blast with the mini-split
Quote:
Originally Posted by JMags
The reason whole house heatpumps have those heat strips at 5k+ watts is to prevent a "cold blow" when the unit has to defrost. The average homeowner is unwilling to accept that happening.
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Even when they tell him that it's going to cost him a bundle for the power?
I like the way the mini-split units defrost. They just skip turning on the indoor fan. I guess they have better firmware programmers.?.
Reverse-cycle defrosting operation
Compressor 1 minute after it is stopped,
Compressor is ON.
Outdoor fan OFF
Indoor fan OFF
4-way valve OFF
Operation lamp
Repeatedly switches between red
and orange illumination.
Releasing of defrosting
Outdoor heating exchanger temp. is over 57.2°F (14°C).
Defrosting operation lasts 12 minutes (maximum).
2 minutes after it is stopped, compressor is ON.
4-way valve is ON. Outdoor fan is ON.
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Cheers,
Rich
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