Honeywell Programmable Thermostat T4 Pro Installation Guide

T4 Pro Install Manual. Honeywell T4 Pro Installation Guide E Emergency heat (TH4210 only) G Fan Relay W Heat relay (stage 1) C 24VAC common 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

The installation process and user guide instructions are readily available to ensure a smooth setup The Honeywell T4 Pro Programmable Thermostat is a device designed for efficiency and ease of use in managing your home's heating and cooling systems

Honeywell Home T4 Pro Thermostat User Manual

View and Download Honeywell Home T4 Pro Series manual online Honeywell T4 Pro Set the time and date Time Honeywell T4 Pro Set the time T4 Pro Programmable Thermostat Installation Instructions Package Includes: • • • • • T4 Pro Thermostat UWP™ Mounting System Decorative Cover Plate Screws and Anchors 2 AA Batteries M37765 NOTE: The THP9045A wire saver module (ordered separate) can be used on heat/cool systems when you only have four wires at the thermostat, and you need a fifth wire for a common wire.

Honeywell Home T4 Pro Installation Manual. 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 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 Programmable Thermostat T4 Pro Installation Guide. • T4 Pro Thermostat • UWP™ Mounting System • Honeywell Standard Installation Adapter (J-box adapter) • Honeywell Decorative Cover Plate - Small; size 4-49/64 in x 4-49/64 in x 11/32 in (121 mm x 121 mm x 9 mm) • Screws and anchors • 2 AA Batteries • Installation Instructions and User Guide T4 Pro Programmable Thermostat For 2 transformer systems, use common wire from cooling.