PDRYCB400 LG Dry Contact Module The PDRYCB400 is a 2-point dry contact module from LG Air Conditioning Technologies. It provides a control interface for indoor unit operation. The PDRYCB400 can be used to switch an indoor unit to set back operation, remotely turn the unit on and off, and lock out control of the unit from the hand held controller. It also offers control of setpoint operation, power saving, compressor stop, and cooling and heating options.
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