31
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.
Note: For information on how to obtain a relay pack, contact the nearest Johnson
Controls
®
representative.
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 -
©
2018 Johnson Controls
