Wiring Diagram Old Honeywell Thermostat Instructions

Label wires and remove your old thermostat see pages.

Wiring diagram old honeywell thermostat instructions. Strip the wire insulation as needed to fit the wires underneath the ter minal screws fig. Honeywell backlit display non programmable thermostat rth the home depot. 8 through 13 wiring diagrams. Honeywell thermostat wiring instructions.

2 stage heat pump thermostat wiring rheem. Install the honeywell lyric thermostat like a pro. Never attach wires to both the b and o terminals. Honeywell thermostat wiring diagram 4 wire examples.

If we recommend placing a wire in a terminal do not move it to another terminal if we address it later in the guide. After you have removed and labeled all wires you can unscrew remove the old thermostat wall plate and mount the new thermostat s wall plate. C 24 vac common you might see blue purple or brown typically used for this wire. But here is a list of the most common wire color mappings as seen in many four wire t stat setups.

Wire the thermostat 1. Use the wiring cross reference table below to match each old thermostat wire with its corresponding terminal on the ct87 wallplate or subbase. Honeywell 5 2 day thermostat wiring table. Install and.

If labels do not match letters on the thermostat check the chart at. 4 wire honeywell thermostat wiring diagram a pcb layout is the resulting design from taking a schematic once specific components and determining how they will physically be laid out upon a. After mounting the new thermostat s wall plate we can re connect the wiring. Honeywell thermostat rthb wiring diagram.