Honeywell T4 Thermostat Operation & user’s manual PDF View/Download

T4 Honeywell Thermostat Manual. Honeywell T4 Programmable Thermostat Manual If you have difficulty with your Thermostat, try these suggestions With its intuitive interface and customizable programming, you can optimize energy efficiency and comfort.

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

Honeywell T4 Pro Series Thermostat Manual

Status Icons; Menu & Navigation Icons; Navigating the menu; Menu Ensure that the R and Rc terminals are properly configured using the slider tab, depending on whether you have one or two R wires. Get the support you need for your T4 PRO PROGRAMMABLE THERMOSTAT, from installation and programming guides to troubleshooting tips and replacement information.

Honeywell T4 Thermostat Operation & user’s manual PDF View/Download. Heating Schedule; Clock; Date; Keypad lock; Optimisation; OpenTherm® boiler alerts (T4M only) Standby mode Away mode Schedule Override. Readmore and Download Honeywell T4 pro Series Thermostat Manual

Honeywell T4 Thermostat Manual Pdf. If the system does not turn on, check the wiring, power source, and ensure the C-wire (common wire) is connected if required. Show Honeywell T4 pro Series Thermostat Manual PDF Download PDF.