Incompatible wiring and voltage
Please check your old thermostat for compatibility to see if it:
·Does not work with electric baseboard heat (110VAC~240V AC)
·Does not work with millivolt systems
·Does not support S terminals for indoor and outdoor sensors.
Note: If you are not sure, please contact a processional or call 1-800-264-3457
110 VAC
or
120 VAC
or
240 VAC
L1 L2
Compatibility
* Require C-Wire to power the thermostat(24V-AC)
Conventional (2H/2C)
Heat Pump (4H/2C) include Auxiliary Heat or Emergency Heat
Gas, Oil, Electric
Dual Fuel Support
04