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Honeywell T3, User Manual

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Honeywell T3 User Manual Download Page 11

11

Device Modes

3

210

 Automatic Operation

During normal use your Thermostat 
will follow the programmed schedule 
- indicated by the 

 icon.

Temporary override

Press the   or   set the new desired 
temperature. The programmed schedule will 
resume at the next programmed setpoint.

+1hr Timed override

Press   

 for a 1 hour timed override. 

Press   

 again to cancel.

235

235

Summary of Contents for T3

Page 1: ...T3 Programmable Thermostat T3M Programmable Modulating Thermostat T3R Wireless Programmable Thermostat T3 T3R T3M Programmable Thermostat EN User Guide ...

Page 2: ...edule 7 Delete Period 7 Settings Date Time 8 3 Device Modes 11 Automatic Operation AUTO 11 Temporary Override 11 1hr Timed Override 11 Manual Operation MAN 12 Permanent Override 12 Standby mode with frost protect 13 4 Keypad Lock 14 5 Optimisation 15 6 Changing the Batteries T3 T3R only 16 7 Table Stand and Wall Mount T3R only 17 8 Wireless Receiver Box T3R only 18 9 Troubleshooting 19 ...

Page 3: ...tings Menu 3 Alert 4 Room Temperature 5 Current time 6 Heat demand 7 Optimisation 8 Low battery 9 Wireless signal T3R 10 Keypad Locked 11 Temperature adjust 12 Right button 13 Middle button 14 Left button 15 Schedule period 16 Day 1030 16 11 15 2 1 3 5 8 7 9 4 6 10 12 13 14 1 ...

Page 4: ...save the change and advance to next selection or press to go back to previous selection Status Icons Temperature Override Active Displayed if the programmed temperature has been manually adjusted Low Battery Power has reached approximately 10 see Changing the Batteries on page 16 Heat Demand Room temperature is below setpoint indicating there is a demand for heating boiler activity might occur Opt...

Page 5: ...ault schedule Follow the next steps to adjust heating schedule Adjusting the Schedule 1 Press MENU to enter the main menu 2 Press or to select the schedule menu and press Menu P1 P2 P3 P4 Days 1 to 7 Mon to Sun 6 30 8 00 18 00 22 30 21 C 16 C 21 C 16 C 1030 prog 2 ...

Page 6: ...ect the period to be adjusted and press 5 Press or to adjust the time and press 6 Press or to adjust the temperature and press 0640 0650 0650 TUE 7 Repeat these steps to make adjustments to the remaining periods and days or press to save changes and return to the home screen ...

Page 7: ... to copy the schedule from and press COPY 1 Go to the day and choose the period to delete 2 Press or to choose the day you want to copy the schedule to and press 2 Press and hold the for 3 seconds and then press 0640 3 Repeat steps 1 and 2 to enable the period again 3 seconds ...

Page 8: ...s Date Time year year set 1030 1 Press MENU to enter the main menu 2 Press or to select the settings menu SET and press 3 Press to select YEAR or to skip forward to MONTH 4 Press or to adjust the YEAR and press ...

Page 9: ...9 mnth day 5 Press to select MONTH or to skip forward to DAY 6 Press or to adjust the MONTH and press 7 Press to select DAY or to skip forward to HOUR 8 Press or to adjust the DAY and press mnth day ...

Page 10: ...t HOUR or to skip forward to MINUTE 10 Press or to adjust the HOUR and press hour 11 Press to select MINUTE and press 12 Press or to adjust the MINUTE and press mins mins 13 Press to exit SETTINGS and return to the home screen ...

Page 11: ...at will follow the programmed schedule indicated by the icon Temporary override Press the or set the new desired temperature The programmed schedule will resume at the next programmed setpoint 1hr Timed override Press for a 1 hour timed override Press again to cancel 235 235 ...

Page 12: ...al Operation The set temperature is followed permanently indicated by the icon Permanent override Press the or buttons to adjust the set temperature This temperature is set until manually changed again 210 235 ...

Page 13: ...armer summer months or when doors and windows are open for extended periods of time If the temperature drops to 5 C the heating will come on to prevent the heating pipes freezing 1 Press to switch the heating off the display will show OFF 2 Press a gain to switch the heating on the display will show or off ...

Page 14: ... seconds The display will show the icon and depending on the installer setting the Thermostat will have limited or no keypad functionality Unlock When the keypad is locked indicated by the icon Press and hold the Left Right buttons for 5sec to restore the Thermostat s full keypad functionality ...

Page 15: ...ture and then turns the heating on a bit earlier to achieve that temperature at the programmed time Delayed Start saves energy by slightly delaying the start of heating depending on the difference between the set temperature and the room temperature The closer these temperatures are the longer it will delay the start Optimum Stop saves energy by switching off a little bit earlier than the programm...

Page 16: ...you should be prepared to change them soon will flash when battery power has become critically low you should change them immediately to make sure there is no disruption to your heating system Replace with 2 new 1 5V LR6 AA Alkaline batteries only which should last approximately 2 years depending on Thermostat use Please help to protect the environment by recycling old batteries in accordance with...

Page 17: ...17 1 3 2 Table Stand and Wall Mount T3R only 7 Table Stand ...

Page 18: ...18 1 2 Wall Mount ...

Page 19: ... lost The Receiver Box LED will flash RED If communication is lost move the Thermostat to another location to try and restore communication To manually override the boiler using the Receiver Box 1 Press the button once to switch the boiler ON or OFF The button LED should be Solid GREEN when the boiler is ON Off when the boiler is OFF Press the button once to toggle boiler ON or OFF leave at least ...

Page 20: ...ff as it controls the temperature and sometimes the icon will be displayed when the boiler has cycled off If the boiler doesn t switch on after a long period of time contact your installer Heating system does not respond to temperature adjust ments Make sure the set temperature is higher than the actual room temperature Check the heating system is powered on Check the Receiver Box is powered and t...

Page 21: ...flashing ORANGE Receiver Box is in binding mode will time out of this mode after 3 minutes T3M OpenTherm Thermostat only An OpenTherm boiler can report alerts back to the Thermostat which can be useful when contacting an installer or maintenance engineer You can view these in the OpenTherm boiler alerts menu Description ID Error code OT Reading Service request 001 01SR 0 service not required 1 ser...

Page 22: ...Country of origin UK www resideo com 2019 Resideo Technologies Inc All rights reserved The Honeywell Home trademark is used under license from Honeywell International Inc ...

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