RLV3120 Wiring Connect either one of the 2-wire installation 4-wire installation thermostat wires to the Power supply heater wire and the other one to the power supply wire using solderless connectors copper wires. NOTE: cables connections must conform to the local electrical code. Page 8: Installing The Faceplate. 3: the heat pump and furnace have separate boards. they are shown together here to simplify this diagram. w is from the furnace board. 4: c7089u1006 wired outdoor sensor can be used for balance point if desired. 5: important: do not connect any wire to w for heat pump applications! this can cause heat to run continuously.
![[DIAGRAM] 220v Baseboard Wiring Diagram For Honeywell Thermostat](https://inspectapedia.com/heat/Honeywell_L8230A1003_Pro_8000_Electric_Heat_Thermostats.jpg "[DIAGRAM] 220v Baseboard Wiring Diagram For Honeywell Thermostat")
Alternate Wiring If a labeled wire does not match any terminal designation, see diagram below. Do not use C, C1 or X wire. Do not use B wire if you already have O wire. Wrap bare end of wire with electrical tape. This thermostat cannot be used if your old thermostat had any two of the following wires: R, RC, RH, 4 and V.. Fig. 1. Thermostat wiring diagram. Check Out Thermostat! Turn on the power to the heating system.! Turn setting knob all the way clockwise ; listen for clicking sound as switch makes contact. Electric heater should begin operation.! Turn knob all the way counterclockwise ; listen for clicking sound as switch breaks contact. Electric heater.