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Hello, When my heat pump (altherma 3) does a defrost cycle, the compressor is started twice each time (see attached graph). Is this behavior normal (seems weird to me) ? And if this is not normal do you know what could cause it ? As you can see on the graph below the compressor start sensor shows a restart at the beginning of the defrost and another restart at the end of the defrost. |
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Answered by
Arnold-n
Jan 18, 2025
Replies: 1 comment 1 reply
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That is entirely normal - the heating cycle is reversed during a defrost. |
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1 reply
Answer selected by
dlefol
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That is entirely normal - the heating cycle is reversed during a defrost.