Honeywell T3M Digital Programmable Thermostat User Guide

T3, T3R, T3M
PROGRAMMABLE THERMOSTAT
Quick Start User Guide

Online Guides

https://hwllhome.co/t3

Screen and button overview

1. Programming Menu 9. Wireless signal (T3R only)
2. Settings Menu 10. Keypad Lock
3. Alert 11. Temperature adjust
4. Room Temperature 12. Right button
5. Current time 13. Middle button
6. Heat demand 14. Left button
7. Optimisation 15. Schedule period
8. Low battery 16. Day

Default Schedule

P1 P2 P3 P4
6:30 8:00 18:00 22:30
21°C 16°C 21°C 16°C

Adjusting the Schedule

Press MENU Select PROG then confirm

Select day then confirm
Select period then confirm

Adjust time then confirm

Adjust temperature then confirm

Copy Day

Select day then COPY

Select “TO” day then confirm

Delete period

Select period

Hold Left button for 3sec

Device Modes

“AUTO”
Programmed schedule is followed

“MAN”
Only set temperature is followed

“OFF”
Heating is OFF

Temperature Override

Keypad Lock

Lock
Hold Left & Right buttons for 5sec
Unlock
 Hold Left & Right buttons for 5sec

Date and Time

Press MENU

Select SETTINGS then confirm

Select YEAR then confirm

Set YEAR then confirm

Set MONTH (1-12) then confirm

Repeat steps to set DAY, HOUR and MINUTE

Troubleshooting

10% battery power
Battery critical low
Faulty sensor
Wireless Signal Loss (T3R Only)
Boiler service reminder (UK Only)

www.resideo.com
Pittway Sarl, Z.A. La Pièce 4,
1180 Rolle, Switzerland
Country of origin : UK
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The Honeywell Home trademark is used under license from Honeywell International Inc.
This product is manufactured by Resideo Technologies, Inc. and its affiliates.