Honeywell T4 Pro User Manual (English)

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Package Includes:

• 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

Installation Instructions

Optional Cover Plate installation

NOTE: If Optional Cover Plate is not required,

see “UWP Mounting System installation” on

next page.

Use the Optional Cover Plate when:

• Mounting the thermostat to an electrical

junction box

• Or when you need to cover paint gap from

old thermostat.

1. Before starting, turn the power off at

the breaker box or switch. Separate the

Junction Box Adapter from the Cover

Plate. See Figure 1.

2. Mount the Junction Box Adapter to the

wall or an electrical box using any of the

eight screw holes. Insert and tighten

mounting screws supplied with Cover

Plate Kit. Do not overtighten. See Figure 2.

Make sure the Adapter Plate is level.

3. Attach the UWP by hanging it on the top

hook of the Junction Box Adapter and

then snapping the bottom of the UWP in

place. See Figure 3.

4. Snap the Cover Plate onto the Junction

Box Adapter. See Figure 4.

Use 2x

supplied

screws #6

5/8”

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Honeywell T4 Pro Specifications

General

Model	T4 Pro
Display	Digital
Operating Modes	Heat, Cool, Off
Fan Settings	Auto, On
Temperature Range (Heating)	40°F to 90°F (4.5°C to 32°C)
Temperature Range (Cooling)	50°F to 99°F (10°C to 37°C)
Hold Function	Yes
Filter Change Alert	Yes
Backup Battery	Yes
Warranty	5-Year Limited Warranty
Programmability	7-Day, 5-2 Day, 5-1-1 Day Programmable
Power Source	Hardwired or Battery
Compatibility	Conventional and Heat Pump Systems
Stages	1 Heat/1 Cool Conventional
Terminal Designations	R, C, W, Y, G