Preliminary - This is information may change
Two Wire Auxiliary Device without C Terminal
An auxiliary device that has two terminals with the same label (HUM, DEHUM, or AUX)
and no C terminal requires a relay pack for operation.
1. Connect the relay pack coil between the auxiliary device and C terminal on your GLAS
device.
2. Connect the switch side of the relay pack to the two terminals on the AUX device.
GLAS Smart Thermostat Installation Instructions
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