Honeywell T3 Programmable Thermostat

Online Guides

http://hwll.co/T3_pdfs

Screen and button overview

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

①  Press MENU

② Select PROG then confirm

③ Select day then confirm

④ Select period then confirm

⑤ Adjust time then confirm

⑥ Adjust temperature then confirm

Copy Day

① Select day then COPY

② Select “TO” day then confirm

Delete period

① Select period

② 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

① Hold Left & Right buttons for 5sec

② Hold Left & Right buttons for 5sec

Date and Time

① Press MENU

② Select SETTINGS then confirm

③ Select YEAR then confirm

④ Set YEAR then confirm

⑤ Set MONTH (1-12) then confirm

⑥ 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)

Documents / Resources

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

References

• User Manual