Honeywell T3 User manual

T3
Programmable Thermostat
T3M
Programmable Modulating
Thermostat
T3R
Wireless Programmable Thermostat
T3, T3R, T3M
Programmable Thermostat
EN User Guide

2
Contents
1) Thermostat Interface...............................................................................3
Screen and Button Overview ......................................................3
Status Icons......................................................................................... 4
Menu & Navigation Icons............................................................. 4
Navigating the Menu...................................................................... 4
2) Menu ................................................................................................................5
Heating Schedule.............................................................................5
Adjusting the Schedule .................................................................... 5
Copy Schedule...................................................................................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

3
Thermostat Interface
Screen and Button Overview
1 Programming Menu
2 Settings 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
21 3 5 87 94 6 10
121314
1

4
Menu & Navigation Icons
MENU Options and settings of your
Thermostat:
Heating schedule
Settings (Date & Time)
Back: Return to the previous
screen/menu.
Confirm: Confirm a change or
selection.
Standby: Turns the heating on
or off.
Navigating the Menu
Press MENU button to enter the main
menu.
Press or buttons to select a menu item -
the selected item will flash.
Press to confirm the selection.
Press or to adjust a setting and then
press to 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).
Optimisation Active: Only displayed if optimisation
has been enabled in the installer settings.
1 Hour Override Active: Temporary override has been set for one hour.
Wireless Signal: Thermostat (T3R only) is connected to the Receiver Box.

5
Heating Schedule
Your Thermostat comes with the following default 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

6
3 Press or to select the day to
be adjusted and press
4 Press or to select 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
06500650
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.

7
TUE to
Copy Schedule
Delete Period
1 Press or to choose the day
you want 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

8
Settings (Date & Time)
year year
set1030
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

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

10
hour
9 Press to select 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