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Type: Posts; User: mkelley2

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  1. Replies
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    lennox hp21 heat pump

    Thanks everybody. I guess I know what I get to do this week regarding the indoor txv. I was a little thrown by refrigerant being able to flow through the equalizer on the outside txv, turn the whole...
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    lennox hp21 heat pump

    The freezing was at the txv equalizer tube in the outdoor unit, it goes down to the suction line a few inches from the compressor inlet.
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    lennox hp21 heat pump

    The subcooling was around 18-20 degrees when it was working right, but that didn't happen for long.

    As the pressure progressively dropped to 0, the suction line would actually get warmer (from...
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    Worked on a Lennox two speed heat pump HP21....

    Worked on a Lennox two speed heat pump HP21. customer complained that it would run for an hour or two and then quit cooling. Gave a general once over, running at 70psi low side, under 200 high side,...
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