Original message
| timothynd28
 |  "Help"
, posted Thu 3 May 00:35  
Commerical system has extreme high suction, and low head. Twinned evap coils, single condenser, with 2 compressors. No funky noises. 120 psi on head, 1 degrees subcool, about 95-100 on suction, 66 degrees suction line temp. Indoor delta T is about 4 degrees. Each evaporator coil has it's own TXV, didn't notice external equalizer. Doesn't make any sense, both TXV's cant be both stuck open?, and or both compressor's can't both be bad? Possibly condenser running backwards from reversed phase? Please need help/adice!!! Thanks
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Replies:
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| so_cal_tech
| "Re(1):Help" , posted Thu 10 May 19:26
Dude, don't try to dick around with it. Just replace the compressor.
Your emergency is not my emergency due to your bad planning.
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| shortys
| "Re(1):Help" , posted Thu 3 May 22:01
It is possible that 1 compressor has bad valves (or both). You might try shutting off the unit and feeling the suction line on each compressor. If it warms up immediately the valves are out. You may also be able to check amp draw on each compressor and see if 1 is working more than the other.
"Best prices online on Carrier parts and IAQ products!" shortyshvac.com
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| SMB
| "Re(1):Help" , posted Thu 3 May 06:56
sounds like a scroll running backwards. is that possible?
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