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No Cool. Heat Pump With Equalized Pressures.EP155 

Nighthawk HVAC
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This unit has had multiple issues since its install. The outdoor TXV and compressor has been replaced. The unit has equalized pressures while the compressor runs. I can't get the reversing valve to switch modes. Seems to be a stuck reversing valve. Sometimes banging it with a wrench will free it up. Not this time.
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4 ноя 2023

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Комментарии : 12   
@gingerstrand6153
@gingerstrand6153 9 месяцев назад
Yes! The hammer wrench! Good job dude, keep em coming!
@TheAntdalejohnson
@TheAntdalejohnson 3 месяца назад
Man... I think I've got the same issue on a 10 ton heat pump that I diagnosed as a bad compressor. I swapped the compressor and still the same problem (equal pressures across suction and discharge line). I did think to check the rv and I could hear the click but not the swoosh sound you talked about.
@bill944
@bill944 9 месяцев назад
Looks like a nightmare to replace the valve. I'd definitely price it to make replacing the unit the logical decision especially considering it's history.
@jixia676
@jixia676 9 месяцев назад
If I can hear hissing from the valve when switching mode, does it mean the valve is good?
@allanbrito13
@allanbrito13 9 месяцев назад
I thought the reversing valve needed a pressure difference to switch over. Did you get the compressor discharge temp?
@roqueherrera8471
@roqueherrera8471 9 месяцев назад
Night hawk I got a question for u. On a Lennox split heat pump my condenser runs fine on on cool but on heat mode with in 10-15 seconds my pressures rise up to 575 and cuts out its 3 months old would of be a restriction on txv?
@roqueherrera8471
@roqueherrera8471 9 месяцев назад
Reversing valve switches over automatically and manually one the unit turns off at 575 it also gives me an ambient sensor error code?
@roqueherrera8471
@roqueherrera8471 9 месяцев назад
Can u give me your input please
@roqueherrera8471
@roqueherrera8471 9 месяцев назад
Both high and low pressures rise to 575 psi on heat mode
@NighthawkHVAC
@NighthawkHVAC 9 месяцев назад
Sounds like a faulty outdoor TXV. The check valve might be stuck.
@NighthawkHVAC
@NighthawkHVAC 9 месяцев назад
Check this video. I think this is a similar issue. Heat Pump Down!! EP24 ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-RFTpzANbVOg.html
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