Johnson Controls GLAS User Manual

Connect optional 4 to 5 wire adapter
Note: If you have a C-wire, skip to Step 8.
If you do not have a C-wire to power your
thermostat, use the included adapter to
provide power.
5. Remove the cover of your furnace or air
handling unit to access the control board.

Johnson Controls GLAS Specifications

General

Brand	Johnson Controls
Model	GLAS
Category	Thermostat
Language	English