Fig 1
24V Thermostat
Use controls below
OFF 70°F/70°F AUTO OK [-]
W
Y
G
C
24V CTRL
R
C
W
Y
G
OK
AUTO
Mode
Off
Heat
Cool
Room °F
Set °F
Fan
Auto
On
Inject Fault
Pause
Step
Reset
Active call path
Terminals R,C,W,Y,G
Educational 24V circuit. Arm closes R-W (heat) or R-Y (cool). Fan auto or ON. Fault opens R.