T4 Honeywell Thermostat Manual. How to Program Honeywell T4 Pro Thermostats The Honeywell Home T4 Pro Series thermostat system turns on automatically when properly wired and powered E Emergency heat (TH4210 only) G Fan Relay W Heat relay (stage 1) C 24VAC common
Honeywell T4 Thermostat Manual Pdf from enginepartfuson.z19.web.core.windows.net
Heating Schedule; Clock; Date; Keypad lock; Optimisation; OpenTherm® boiler alerts (T4M only) Standby mode Away mode Schedule Override. To set the Honeywell T4 thermostat to manual mode (turning the schedule off and following a single adjustable temperature), follow these steps: 1
Honeywell T4 Thermostat Manual Pdf
If you have difficulty with your Thermostat, try these suggestions Status Icons; Menu & Navigation Icons; Navigating the menu; Menu For 2 transformer systems, use common wire from cooling.
Honeywell Home T4 Pro Thermostat Wiring Diagrams User Manual. Press the or button to select the schedule menu and press OK For a Honeywell T4 Pro thermostat with a one heat and one cool system (1H/1C), connect the wires as follows: - Y (Compressor contactor): Connect to the Y terminal
HONEYWELL T4 Pro Programmable Thermostat Installation Instructions. Thermostat shows Batteries have less than 10% power and need to be replaced soon. L/A - A Heat Pump fault input (most common case) S O/B Changeover valve Y Compressor contactor (stage 1) AUX - W2 Auxiliary heat (TH4210 only) Y2 Not used for T4 thermostat