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  1. General HVAC Discussion
    The wall opening where the original thermostat used to be has a conduit with 4 wires not connected to anything. I found this after the AC was not cooling and noticed the compressor was not getting 24 volts but the thermostat was putting out the 24 volts. The old thermostat in this wall opening...
  2. Business, Marketing, and Sales
    Hello, I have for sale a couple of new Copeland compressors: Model: ZR144KC-TFD-950. They are for commercial roof top A/C unit. A quick Google search turned up there specs: 12 HP, 460V, 3 PH, 144,000 BTU, R22, Scroll Compressor (Not sure of accuracy). A friend advised me that this forum...
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