Honeywell T3M Digital Programmable Thermostat - logo

T3, T3R, T3M
PROGRAMMABLE THERMOSTAT
Quick Start User GuideHoneywell T3M Digital Programmable Thermostat - Programmabl

Online Guides
Honeywell T3M Digital Programmable Thermostat - Online Guides
https://hwllhome.co/t3

Screen and button overview

Honeywell T3M Digital Programmable Thermostat - Screen

1. Programming Menu9. Wireless signal (T3R only)
2. Settings Menu10. Keypad Lock
3. Alert11. Temperature adjust
4. Room Temperature12. Right button
5. Current time13. Middle button
6. Heat demand14. Left button
7. Optimisation15. Schedule period
8. Low battery16. Day

Default Schedule

P1P2P3P4
Honeywell T3M Digital Programmable Thermostat - P16:308:0018:0022:30
Honeywell T3M Digital Programmable Thermostat - 2121°C16°C21°C16°C

Adjusting the Schedule

Honeywell T3M Digital Programmable Thermostat - Date and Time

Press MENU Honeywell T3M Digital Programmable Thermostat - Select PROGSelect PROG then confirmHoneywell T3M Digital Programmable Thermostat - Select day then confirm

Select day then confirm
Honeywell T3M Digital Programmable Thermostat - then confirmSelect period then confirmHoneywell T3M Digital Programmable Thermostat - Adjust time

Adjust time then confirmHoneywell T3M Digital Programmable Thermostat - Adjust temperatur

Adjust temperature then confirm

Copy DayHoneywell T3M Digital Programmable Thermostat - Select day then COPY

Select day then COPYHoneywell T3M Digital Programmable Thermostat - hen confirm

Select “TO” day then confirm

Delete periodHoneywell T3M Digital Programmable Thermostat - Delete period

Select periodHoneywell T3M Digital Programmable Thermostat - for 3sec

Hold Left button for 3sec

Device Modes

“AUTO”
Honeywell T3M Digital Programmable Thermostat - AUTO
Programmed schedule is followed

“MAN”
Honeywell T3M Digital Programmable Thermostat - MAN
Only set temperature is followed

“OFF”
Honeywell T3M Digital Programmable Thermostat - OFF
Heating is OFF

Temperature Override

Honeywell T3M Digital Programmable Thermostat - Temporary

Keypad Lock

Lock
Honeywell T3M Digital Programmable Thermostat - LockHold Left & Right buttons for 5sec
Unlock
Honeywell T3M Digital Programmable Thermostat - UnlockHold Left & Right buttons for 5sec

Date and Time

Honeywell T3M Digital Programmable Thermostat - Date and Time

Press MENU

Honeywell T3M Digital Programmable Thermostat - SETTINGS

Select SETTINGS then confirm

Honeywell T3M Digital Programmable Thermostat - YEAR then

Select YEAR then confirmHoneywell T3M Digital Programmable Thermostat - Set YEAR then

Set YEAR then confirmHoneywell T3M Digital Programmable Thermostat - then confirms

Set MONTH (1-12) then confirmHoneywell T3M Digital Programmable Thermostat - Repeat steps

Repeat steps to set DAY, HOUR and MINUTE

Troubleshooting

Honeywell T3M Digital Programmable Thermostat - battery power10% battery power
Honeywell T3M Digital Programmable Thermostat - BatteryaBattery critical low
Honeywell T3M Digital Programmable Thermostat - Faulty sensorFaulty sensor
Honeywell T3M Digital Programmable Thermostat -WirelessWireless Signal Loss (T3R Only)
Honeywell T3M Digital Programmable Thermostat - Boiler serviceBoiler service reminder (UK Only)

Honeywell T3M Digital Programmable Thermostat - Pittway Sarl

www.resideo.com
Pittway Sarl, Z.A. La Pièce 4,
1180 Rolle, Switzerland
Country of origin : UK
© 2020 Resideo Technologies, Inc. All rights reserved.
The Honeywell Home trademark is used under license from Honeywell International Inc.
This product is manufactured by Resideo Technologies, Inc. and its affiliates.

Documents / Resources

Honeywell T3M Digital Programmable Thermostat [pdf] User Guide
T3M, T3, T3R, Digital Programmable Thermostat

References

Leave a comment

Your email address will not be published. Required fields are marked *