Venstar thermostats require a minimum of 3 wires for heat and a minimum of 5 wires for heat/cool (6 or more may be required if you have a heat pump system or staging).
|Two-Wire Heat-Only Kit (ACC0436)|
Document # V1 (3 Wires) | Document # V2 (4 Wires) | Document # V3 | Document # V4
If you need assistance figuring out how many wires you'll need, email us at firstname.lastname@example.org, with a description of your HVAC system and a picture of your current thermostat wiring connections if possible. Please note that in rare cases, a manufacturer may use proprietary controls that may not be compatible with this thermostat.