Wiring Diagram for Honeywell Thermostat RTH221B Simplifying Your

Rth221b Wiring. Honeywell Rth221b Wiring Connect the Wires: - Attach one wire to the "R" terminal on the thermostat. If labels do not match letters on the thermostat, check "Alternate Wiring" on page 6 and connect to terminal as shown here (see notes, below)

Honeywell Thermostat Rth221b Wiring
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Programmable and non-programmable thermostats (9 pages) Testing and Troubleshooting the Honeywell RTH221B Wiring

Honeywell Thermostat Rth221b Wiring

Programmable and non-programmable thermostats (9 pages) Identify the Wires: Since the two wires are not labeled, one will typically connect to the "R" terminal (power) and the other to the "W" terminal (heat signal) Thermostat does not work on Heat Pumps with auxiliary/backup heat

Guide to Wiring and Installing the Honeywell RTH221B Thermostat. Proper wiring is crucial for the thermostat to function correctly and effectively control the temperature in your home Owner's manual (9 pages) Thermostat Honeywell RTH111 Installation Manual

Honeywell Thermostat Rth221b Wiring Diagram. W/ Aux Not Used M32714 Remove metal jumper if you have both R and Rc. This installation guide describes in details the sequence of steps required to connect the programmable thermostat (RTH221B1000, RTH221B1047, RTH221B1021, RTH221B1039)