GEAppliances AZ75E09DAC Technical Service Manual

GEAppliances AZ75E09DAC Technical Service Manual Manual pdf 12 page image

– 10 –Remote Thermostat ControlThe unit is controlled by an externally mounted, remote thermostat.The Zoneline thermostat connections provide 24 VAC only. If using a digital/electronic wall thermostat, itmust be set to the 24 VAC setting. Refer to the thermostat installation instructions for details.Note: Some thermostats can be programmed to energize the reversing valve in heating mode or coolmode. If the thermostat is not programmed correctly, the unit will heat when the thermostat is set tocool and cool when the thermostat is set to heat. Refer to the instructions provided with the thermostatfor thermostat programming procedures. Also refer to the Reversing Valve section of the Componentschapter for more information.Central Desk Control (CDC)Red–24 V AC onlyGreen–Low Speed FanGreen–High Speed FanBlack–Reversing ValveYellow–CompressorWhite–HeaterCommon–GroundRed - 24 VAC OnlyGreen - Low Fan SpeedGreen - High Fan SpeedUnusedYellow - Cool SignalWhite - Heat SignalCommon - GroundMAINBOARD131415111091224 VFAN (L)FAN (H)COOLHEATCOMCLASS 2 REMOTE THERMOSTATGEA01248