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How do we connect a Millivolt thermostat to the CM12?

April 26, 2017Connect Millivolt thermostat

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How do we connect a Millivolt thermostat to the CM12?

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Refer to the following table, “Connecting thermostat to CM12 unit” on the operation manual. Connect RC on the thermostat to RC on the unit, Y on the thermostat to Y on the unit, G on the thermostat to G on the unit. G1- Most of the thermostats do not have Fan Hi/Low button. In this case don’t connect G1 and the unit will run at high fan speed.