Honeywell T6 Pro Installation Guide

Y Compressor contactor
C 24 VAC common from cooling transformer
W Heat relay
G Fan relay
2H/2C System (1 transformer)
R Power
Rc [R+Rc joined by Slider Tab]
Y Compressor contactor (stage 1)
C 24VAC common
W Heat relay (stage 1)
G Fan relay
W2 Heat relay (stage 2)
Y2 Compressor contactor (stage 2)
Hot Water Relay Panel
R Power
Rc [R+Rc joined by Slider Tab]
W Heat Relay
C 24VAC common
NOTE: If the panel does not provide 24 volts AC at R and C, set the slider to down position and wire a separate
transformer to Rc and C.
Heat-only System with Fan
R Power
Rc [R+Rc joined by Slider Tab]
C 24VAC common
W Heat relay
G Fan relay
Cool-only System with Fan
R Power
Rc [R+Rc joined by Slider Tab]
Y Compressor contactor
C 24VAC common
G Fan relay
Heat pumps systems
1H/1C Heat Pump System
R Power
Rc [R+Rc joined by Slider Tab]
Y Compressor contactor
C 24VAC common
O/B Changeover valve
G Fan relay
2H/1C Heat Pump System
R Power
Rc [R+Rc joined by Slider Tab]
Y Compressor contactor
C 24VAC common
O/B Changeover valve
G Fan relay
Aux Auxiliary heat*
E Emergency heat relay*
L Heat pump fault input
NOTE: If dual fuel, TH6320WF2003 model needed.
2H/2C Heat Pump System

Honeywell T6 Pro Specifications

General

Display	Touchscreen
Energy Star Certified	Yes
Power Source	Battery or Hardwired
Operating Modes	Heat, Cool, Auto, Off
Geofencing	Yes
Compatibility	Works with most HVAC systems
Fan Modes	Auto, On, Circulate
Remote Access	Yes
Energy Saving Features	Smart Response Technology
Connectivity	Wi-Fi
Warranty	5-year limited warranty