Honeywell T6 Pro Installation Guide

Boiler:
Hot Water, Steam
218
Reversing
Valve
0/B on Cool, 0/B on Heat
This ISU is only displayed if ISU 200 is set to Heat
Pump. Select whether reversing valve O/B should
energize on cool or on heat
220
Cool Stages
(#200=Conv./
200=HP)
0, 1, 2
Only 1 compressor stage available on TH6220WF
model if configured for heat pump.
221
Heat
Stages/Aux/E
Stages
(#200=Conv./
200=HP)
Heat Stages: 0, 1, 2
AUX/E Stages: 0, 1
Maximum of 2 Heat Stages for conventional
systems. Maximum of 1 Aux/E stages for heat
pump systems.
230 Fan Control Equipment, Thermostat
This ISU is only displayed if ISU 205 is set to
Electric Forced Air or Fan Coil.
253 Aux/E Control Both Aux/E, Either Aux/E
Set “EITHER AUX/E” if you want to setup and
control Auxiliary and Emergency heating separately
. This ISU is only displayed if ISU 200 is set to Heat
Pump AND if ISU 221 Aux/E stages = 1.
Note: This ISU available on TH6320 model only.
Table 2.

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