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Wireless 7 Day
Programmable Room
Thermostat
Model: TRT037N
Installation & Operating Instructions
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1. General Information
These instructions should be read carefully and retained for further reference
and maintenance.
2. Safety
• Before installation or maintenance, ensure the mains supply to the
programmable room thermostat is switched off and the circuit supply
fuses are removed or the circuit breaker turned off.
• It is recommended that a qualified electrician is consulted or used for
the installation of this programmable room thermostat and install in
accordance with the current IEE wiring and Building Regulations.
• Check that the total load on the circuit including when this programmable
room thermostat is fitted does not exceed the rating of the circuit cable,
fuse or circuit breaker.
• To clean use a clean dry cloth only. Do not use any liquid cleaners
3. Technical Specifications
Receiver
• 230V AC 50 Hz
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• This thermostat is of Class ll Construction and must not be earthed
• Switch Rating: 3(1)A
• Switch Type: Single pole, voltage free
• Connection Type: 3 wire
• Micro Disconnection: Type 1.B control action
• Illumination: Blue LED illuminated on setting
• Output Light: Red LED
• Installation Type: Surface mount with wall plate
• CE Compliant
• Dimensions (H x W x D): 90 x 95 x 30mm
changeover contacts
for button surrounds
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Transmitter
• Batteries: 2x 1.5V AA
• Operating Temperature Range: 0°C to +40°C
• Set Temperature Range: 10°C to 35°C
• Temperature Swing Adjuster: +/- 0.5°C or 1.0°C set by DIP switch
• Optimum Start Time
(OST) Adjustment: ON or OFF set by DIP switch
• Frost Protection Mode: 5°C
• Sleep Mode: Suspends all output, turns off display
• Transmission: 868.3MHz
• Illumination: Blue LED illuminated on setting
for button surrounds and display
• Installation Type: Surface mount with wall plate
• CE Compliant
• Dimensions (H x W x D): 90 x 135 x 30mm
Transmitter Front View
Digital room temperature/time
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display (illuminated on setting)
10°C to 35°C
set temperature
range
The heating
symbol will show
when heat is
demanded
Light/Frost
protection button
+/- setting buttons
(illuminated on setting)
Battery
compartment
located on the
side, accessible
from rear of
transmitter
Flip down cover conceals setting buttons
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Receiver Front View
Learn/Manual Light,
Blue LED
Output ON light,
Red LED
Learn button enabling communication between the transmitter
and receiver, also control button for output in manual mode
Automatic/Manual mode button
4. Siting
Receiver
• The TRT037N Receiver should be mounted close to the items it will be
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controlling i.e. boiler, control valves and pump.
• It should be mounted in a position where its control buttons and indicator
lights can be easily accessed.
Transmitter
• The TRT037N Transmitter must be sited where it will not be influenced
by heat sources, for example above a radiator or a television or
a refrigerator/freezer or in direct sunlight or subjected to draughts.
• The product requires air circulation, so do not position above
or below shelving or other wall mounted obstacles.
• It should be mounted approximately 1.5 metres above floor level.
5. Installation
Receiver
5.1 Ensure the mains supply is switched off and the circuit supply fuses are
removed or the circuit breaker turned off.
5.2 Remove the wall plate from the receiver unit, by undoing the retaining
screws, and pivoting the bottom of the unit outwards. The TRT037N
receiver body can then be lifted off.
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5.3 Mark the position of the mounting holes on the wall using the wall plate
as a template. Drill out the mounting holes taking care to avoid any
joists, electrical cables or water/gas pipes that may be hidden beneath
the surface. Insert the rawl plugs into the holes.
5.4 Pass the 230V 50Hz mains supply and load cables through the opening
of the wall plate. Allow sufficient excess cable to wire up the unit, but
not too much to make it difficult to close the unit to the wall plate.
5.5 Fix the wall plate to the wall using the correct mounting screws for the
rawl plugs installed. The retaining screws which secure the unit to the
wall plate should be at the bottom.
5.6 Terminate the cables into the terminal block ensuring correct polarity
is observed and that all bare conductors are sleeved (See section 6.
Receiver Connection Diagram). Make sure that the curved washer
grips the conductor.
5.7 To reinstall the unit onto the wall plate, first ensure the wall plate
retaining screws are loosened enough to clear the TRT037N receiver
body, then engage the top of the TRT037N receiver onto the wall plate
retaining tabs, and push firmly downwards and then upwards.
There will be some resistance from the terminals.
5.8 Once in place, secure with the retaining screws making sure
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not to over tighten.
Receiver Wall Plate
Alternate mounting holes
Retaining tabs
Wall plate retaining screws
Mounting
holes
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Transmitter
5.9 Remove the wall plate from the transmitter unit, by undoing the
retaining screws, and pivoting the bottom of the unit outwards.
The TRT037N transmitter body can then be lifted off.
5.10 Mark the position of the mounting holes on the wall using the wall plate
as a template. Drill out the mounting holes taking care to avoid any
joists, electrical cables or water/gas pipes that may be hidden beneath
the surface. Insert the rawl plugs into the holes.
5.11 Fix the wall plate to the wall using the correct mounting screws for the
rawl plugs installed. The retaining screws which secure the unit to the
wall plate should be at the bottom.
5.12 To insert batteries into the unit, access the battery compartment located
on the left side/rear of the unit. Use a small flat head screwdriver and
release the lug and lever out the battery compartment. Insert the 2 x
AA batteries (supplied) maintaining the correct polarity, as shown in the
base of the battery compartment. Push the battery compartment back
into place until clicks shut.
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5.13 To reinstall the unit onto the wall plate, first ensure the wall plate
retaining screws are loosened enough to clear the TRT037N transmitter
body, then engage the top of the TRT037N transmitter onto the wall
plate retaining tabs, and push firmly downwards and then upwards.
There will be some resistance from the terminals.
5.14 Once in place, secure with the retaining screws making sure not to
over tighten.
Battery compartment lug
Release the lug and
lever out the battery
compartment to the right
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Transmitter Wall Plate
Alternate mounting holes
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Wall plate retaining screws
Retaining tabs
Mounting
holes
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6. Connection Diagram
Connect the 230V 50Hz mains supply and load cables to the terminal block
which are marked as follows;
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230V AC 50Hz
MAINS SUPPLY
230V 50Hz Mains Supply
Live Supply (Brown or Red) to L
Neutral Supply (Blue or Black) to N
A ‘Loop Terminal’ is provided should a 3 core cable
be used
Load (Boiler)
Switch Live (Brown or Red) to NO
COM NO
Note: Check boiler instructions
NC
Connections to boiler
before connecting
Supply
Neutral
N
L
Supply
Live
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7. Transmitter DIP Switch Settings
• The temperature swing can be adjusted between 0.5°C and 1.0°C by
selecting the desired DIP switch position found on the rear of the unit.
We suggest using 0.5°C position unless the boiler turns ON and OFF too
rapidly. A reset will be required after changing the DIP switch positions.
• The OST ‘Optimal Start Time’ can also be selected ON or OFF using the
DIP switches on the rear of the unit. When set to the ON position, the
heating will turn on 20 minutes earlier, for every 1°c below your chosen
set point. A reset will be required after changing the DIP switch positions.
TRT037N Rear of Transmitter
DIP switch for OST setting
DIP switch for temperature
swing adjustment setting
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DIP switch position label
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8. Pairing the Devices
• Make sure you have selected the desired DIP switch settings located
on the back of the transmitter.
• Press the reset button of on the front of the transmitter, and connect
the power to the receiver.
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• Both the Learn/Manual light, and the Red output light on the receiver
will illuminate for approximately 3 seconds, then go out.
Both the Learn/Manual light,
and Red output light will
illuminate for approximately
3 seconds, then go out.
Press the Reset button located
beneath the drop down flap
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• Press and hold the Learn button on the front of the receiver for
10 seconds until the blue Learn/Manual light starts flashing,
the button surrounds will illuminate.
The blue Learn/Manual light
will start to flash
Press and hold the Learn button
for 10 seconds
• On the transmitter, press and hold the select button for 1 second,
and then at the same time press and hold the Light/Frost protection
button until the flashing blue Learn/Manual light goes off.
This should take approximately 3 seconds.
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The flashing blue Learn/Manual
light will turn off
• The transmitter and receiver are now paired.
Press and hold the
Select button for
1 second, and then
at the same time press
and hold the Light/Frost
protection button,
for approximately
3 seconds
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9. Setting the Time and Date
• To set/alter the time and date at any time, press and hold the
Select button for 3 seconds. The display light will illuminate.
• The hour will to flash, use the Up/Down (+/-) arrow buttons to alter
the hour and press the Select button once to confirm.
The hour will flash
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12Hr AM/PM format Use the Select
• The minutes will flash, use the Up/Down arrow buttons to alter the
minutes and press the Select button once to confirm.
• The year will flash, use the Up/Down arrow buttons to alter the year
and press the Select button once to confirm.
• The month will flash, use the Up/Down arrow buttons to alter the month
and press the Select button once to confirm.
• The day will flash, use the Up/Down arrow buttons to alter the day
and press the Select button once to confirm.
• The daylight saving option (GMT=OFF/BST=ON) will flash, by default this
will be set to ON. Use the Up/Down arrow buttons to alter the setting
if required. Press the Select button once to confirm and return to re-enter
the date and time from the beginning, or press the Set button once
to confirm and exit.
Use the Up/Down arrow
buttons to change the hour
button to confirm
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Use Up/Down arrow buttons
to alter if required
Use Set to confirm
and exit
The DLS will
flash, OFF for
GMT by default
Note:
• If no button is pressed, it will time out after 60 seconds and return
to the main screen showing day, time and output status.
• The display light will also time out after 15 seconds after the last button
is pressed.
• The Set button can be pressed to exit the date and time entry at any stage.
The DLS set to
ON for BST
Main screen showing day,
10. Programming Time/Temperature
Periods
Note:
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• There are no OFF periods with this controller. As soon as a Start time begins,
heat will be demanded until the temperature reaches/falls to the selected
set point, then it will move on to the next Start time/temperature period,
and so on. The closest you can get to turning the TRT037N programmable
thermostat OFF, will be to set the selected period(s) to 10°C, this way
the heating will not turn ON unless the temperature drops below these
set points.
• If you do not want a higher temperature period in the middle off the day,
adjust the temperature for this period downward, to match those of the
proceeding and subsequent period temperatures.
• There are 6 time/temperature controlled periods, and the default programme
for every day is as follows;
06:00AM 21°C
08:00AM 18°C
12:00PM 21°C
02:00PM 18°C
04:00PM 21°C
10:00PM 18°C
time and output status
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• The Copy function can be used to duplicate Start time/temperature periods,
as detailed further in the instructions (read the instructions in full before
you begin).
10.1 To programme or modify the time/temperature periods, press and hold
the Set button for 3 seconds to enter the programming entry mode.
The display light will illuminate
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Press and hold the Set button for 3 seconds
to enter programming mode.
10.2 The Day of the week will flash (e.g. Mon), use the Up/Down arrow
buttons if you need to choose a different day of the week, and then
press the Select button once to confirm
Use the Up/Down arrow
Mon will flash
when selected
10.3 The Prog 1 (period 1) hour will flash, use the Up/Down arrow button to
choose the hour and press the Select button once to confirm.
buttons to change
the day of the week
Use the Select
button to confirm
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Use the Up/Down arrow
buttons to change the hourThe hour will flash
10.4 The minutes will flash, use the Up/Down arrow button to choose
the minutes and press the Select button once to confirm.
10.5 The temperature will flash, use the Up/Down arrows to choose
the temperature (the temperature increments are in 0.5° steps)
and press the Select button once to confirm.
10.6 The Prog 2 (period 2) hour will flash. Follow steps ‘10.3’ to ‘10.5’ for
Prog 2 (period 2) through to Prog 6 (period 6)
10.7 Press the Set button once to change the day of the week (e.g. Tue).
Use the Up/Down Arrows to choose the day of the week, and press
the Select button once to confirm.
10.8 Follow steps ‘10.3’ to ‘10.7’ until you have programmed
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each day of the week that you require.
10.9 Press the Set button three times
to exit the programme entry mode.
Note:
• If no button is pressed, it will time out after 60 seconds and return to the
main screen showing day, time and output status.
• The display light will also time out after 15 seconds after the last button
is pressed
• All 6 Start time/temperature periods will need to be programmed,
unwanted Start time/temperature periods need to be entered
as the same temperature
• Unwanted days need to be entered as the same temperature (10 °C).
• The Set button can be pressed three times at any stage to exit the
programme entry mode.
Copy Function
Note: The copy function can only be used after you have programmed
at least one day.
Use the Select
button to confirm
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10.10 From the main screen, press and hold the Set button for 3 seconds,
so the day of the week you have programmed is flashing e.g. Mon
(or if you are already in the programming screen, press the Set button
once so the day flashes).
The day of the week
will flash e.g. Mon
Press and hold the Set button
for 3 seconds to show day of
the week you wish to copy
button if you wish to change
the day of the week to copy
10.11 Press the Copy button once to copy the selected day, the word Copy
will flash along with the day of the week.
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Press the Copy
button once
10.12 Use the Up/Down arrow button to choose the next day of the week you
wish to copy the programme to e.g. Tue, and press the Select button
once to confirm.
10.13 Use the Up/Down arrow buttons to choose the next day of the week
you wish to copy the programme to e.g. Wed, and press the Select
button once to confirm.
10.14 Repeat step ‘10.13’ until you have copied
the programme to all of the days
of the week that are required.
10.15 Press the Set button three times to exit
the programme entry.
Note:
• If no button is pressed, it will time out after 60 seconds and return to the
main screen showing day, time and output status.
Use the Up/Down arrow
Copy and the
day of the
week will flash
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• The display light will also time out after 15 seconds after the last button
is pressed.
• The Set button can be pressed three times to exit the date and time entry
at any stage.
11. Programme Modes
Frost Protection Mode
• Press the Light/Frost Protection button and hold
for 3 seconds, the button surround and display
light will illuminate.
• The frost symbol will appear and continuously flash on the screen. The
set temperature will change to 5°C, and the display will show the actual
temperature. The button surround, and display illumination will time out
after 5 seconds.
Frost symbol will continuously
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• To disable the frost protection mode, press and hold the Light/Frost
Protection button for 3 seconds. The frost symbol will disappear.
Sleep Mode
• Press and hold both the + and – buttons for 3 seconds.
Whilst active, all output will be suspended and the
display will turn OFF.
• Press any key to exit Sleep Mode.
Manual Operation Mode (from the Receiver)
Note: This mode will allow you to manually turn the heating ON/OFF
via the receiver.
• Press the A/M button once on the receiver, and the blue Learn/Manual
light will illuminate.
flash when frost protection
mode is active.
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The blue Learn/Manual
light will illuminate
Press the A/M
button once
• Press the Learn button to turn the output ON and OFF, the red output light
illuminate when calling for heat.
The Red output light
will illuminate when
calling for heat
• Press the A/M button once on the receiver to exit, and the blue Learn/
Manual light will turn OFF.
Note: There is no temperature control, only ON or OFF operation from the
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receiver, the transmitter will not do anything whilst in this mode.
Manual Override until Next Programme Change
Change (from the Transmitter)
Note: The display shows the current room temperature and correct time.
• Use the Up/Down arrow buttons to change the set temperature,
the display light will illuminate and the Hand symbol will appear
to show the temperature has been manually changed.
Use the Up/Down arrows to
choose the day you wish to copy
the programme to e.g. Wed
• The set temperature will flash while the change is being made, and will
time out 15 seconds after the last button is pressed. The display will then
revert to show the current room temperature.
The Hand symbol will appear
to show the temperature has
been manually changed
Press the Learn button
to turn the output ON
and OFF manually
The new set
temperature will
flash while the
change is being
made
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Heating Symbol
• The Heating symbol will show when heat is demanded.
The Heating symbol will show
when heat is demanded.
Back Light
• Pressing the Light/Frost protection once will
illuminate the display for 15 seconds.
• Any key press will also illuminate the screen, with a 15 second time out
after the last button press.
• Anytime the back light is ON, the Light/Frost protection button surround
glows blue.
Battery Low Indicator
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• When the transmitter batteries are low, the battery low indicator
comes on.
Battery low indicator will appear
when the batteries are low.
3 Year Guarantee
In the unlikely event of this product becoming faulty due to defective
material or manufacture within 3 years of the date of purchase, please
return it to your supplier in the first year with proof of purchase and it
will be replaced free of charge. For the second and third years or any
difficulty in the first year telephone the helpline on 020 8450 0515.
Note: A proof of purchase is required in all cases. For all eligible
replacements (where agreed by Timeguard) the customer is responsible
for all shipping/postage charges outside of the UK. All shipping costs
are to be paid in advance before a replacement is sent out.
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If you experience problems, do not immediately
return the unit to the store.
Telephone the Timeguard Customer Helpline:
HELPLINE
020 8450 0515
or email helpline@timeguard.com
Qualified Customer Support Coordinators will be online
to assist in resolving your query.
For a product brochure please contact:
Timeguard Limited.
Victory Park, 400 Edgware Road,
London NW2 6ND
Sales Office: 020 8452 1112
or email csc@timeguard.com
www.timeguard.com
Zerofour – September 2018
67.058.604 (Issue 2)
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