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aniam_gw

Carrier Heat Pumps - Compressor Problems?

aniam
11 years ago

We have 2 Carrier heat pumps installed on our roof. Both units are from the Comfort Series (both model numbers start with 25HBC3xxxx).

Every time the compressors start up two things happen:

1. There is a loud click and what sounds like a "thump". The click sounds like it is coming from the thermostat (Honeywell) - I am not sure what, if anything, can be done about that. The "thump" comes from the compressors themselves - they seem to start in a very "hard" way. Is there anything that can be done about that?

2. The real concern I have is that every time the compressors start the lights dim momentarily. We have a brand new 200 amp service (main panel and 100 amp subpanel). Two different electricians looked at the set up and seem to think that the panels are sized and balanced properly. What could be the reason for dimming? And is there anything that can be done to remedy it?

Thank you for all your input and suggestions.

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