Manual

1. Introduction
TRT products are a cost effective
comprehensive range of thermostats and
timers designed for internal use only.
The TRT038 is a three channel programmer,
and the TRT039 is a four channel
programmer. Each channel can be
programmed to have three on and off
operations per day. There is automatic
summer/winter time changeover.
The units are fitted with a factory
installed battery which gives up to
24 hours back up of time, date and
programmes in the event of a mains failure.
It is designed to be surface mounted
on the wall plate supplied.
The electrical supply must be isolated
before removing the programmer from
the wall plate.
2. Siting
The TRT038/9 should be located at a position
which eases wiring runs and gives good access
for programming.
It should be mounted approximately 1.5m
above floor level.
3. Installation
This product should be installed by a qualified
installer to current installation standards.
If in any doubt contact the Timeguard Helpline
020 8450 0515.
Contents
TRT038 or TRT039 programmer
TRT038/9 wall plate
TRT038/39 instruction leaflet
2 x wall plugs
2 x screws
14
:
23
Advance Boost
Advance Boost
Advance Boost
Advance Boost
HTG 1
0 FF
0 FF
HTG 2
ON until
WATER
ON until
Monday
25 Fe b
HTG 3
Auto
22.30
Auto
22.30
14
:
23
Advance Boost
Copy
Enter
Over
-ride
Advance Boost
Advance Boost
Menu
Reset
Advance Boost
HTG 1
0 FF
0 FF
HTG 2
ON until
WATER
ON until
Monday
25 Fe b
HTG 3
Auto
22.30
Auto
22.30
Channel status
displayed
(channel names
can be changed)
Buttons giving an
advance to next
programme change
Channel on
lights
Current time and
date displayed
Buttons giving
1 or 2 hours
timed on period
starting when
button is pressed
Fig. 1
TRT Central Heating Programmers
14
:
23
Advance Boost
Advance Boost
Advance Boost
Advance Boost
HTG 1
0 FF
0 FF
HTG 2
ON until
WATER
ON until
Monday
25 Fe b
HTG 3
Auto
22.30
Auto
22.30
14
:
23
Advance Boost
Copy
Enter
Over
-ride
Advance Boost
Advance Boost
Menu
Reset
Advance Boost
HTG 1
0 FF
0 FF
HTG 2
ON until
WATER
ON until
Monday
25 Fe b
HTG 3
Auto
22.30
Auto
22.30
Reset
button
Button to access or exit
the programming menu
Buttons for
changing times
and dates during
programming
Button for
entering times
and dates during
programming
Day copy
button
Buttons giving
permanently on,
permanently off,
timed (auto) or all
day alternatives
Fig. 1a
TRT Central Heating Programmers
L
Wiring for TRT038
Wiring for TRT039
L
L
L
N
N
N
N
ON
ON
230 VAC
230 VAC
ON
ON
ON
ON ON
COM
COM
COM
COM
P1
P1
P2
P2
P3
P3
P4
P4
P5
P5 P6
Fig. 4
Wiring Diagrams
BM 039
230V ~ 50Hz
T40 µ 3(1)A
Fixing hole
Retaining
tab
Wall plate retaining screws
(at bottom of TRT038 and TRT039)
Wire entry
L N P1 P2 P3 P4 P5 P6
Fig. 2
Fig. 3
Rear View of TRT039 (TRT038 similar)
Back Plate Removed
To reinstall the unit on the wall plate engage
the top of the TRT038/9 over the wall plate
retaining tabs (see Fig. 3), and push firmly
downwards and then inwards. There will be
some resistance from the terminals. Once in
place, secure with the retaining screws.
Restore mains to the unit after checking all
system wiring is complete.
The TRT038/9 is designed to be surface
mounted on the supplied wall plate.
Always isolate the mains supply before
removing the unit from its wall plate.
Incoming and outgoing wires should be 1.5mm sq.
Remove wall plate from unit, by undoing
retaining screws (see Fig. 2), and pivoting the
bottom of the wall plate outwards. The TRT038/9
can then be lifted off.
Thread the incoming wires through the hole in
the wall plate, and fix wall plate securely to the
wall, using screws (and wall plugs if necessary)
provided. The screws which secure the product
to the wall plate should point downwards.
Allow sufficient excess cable to wire up the unit,
but not too much to make it difficult to close the
unit onto the wall plate.
Connect the conductors to the relevant terminal,
according to the wiring diagrams on the wall
plates or in Fig. 4 below. Ensure that the curved
brass washers grip the conductors.
Programmers allow you to set ‘On’ and ‘Off’
time periods. Some models switch the central
heating and domestic hot water on and off at
the same time, while others allow the domestic
hot water and heating to come on and go off
at different times.
Set the ‘On’ and ‘Off’ time periods to suit your
own lifestyle. On some programmers you must
also set whether you want the heating and
hot water to run continuously, run under
the chosen ‘On’ and ‘Off’ heating periods,
or be permanently off.
The time on the programmer must be correct.
Some types have to be adjusted in spring and
autumn at the changes between Greenwich
Mean Time and British Summer Time.
You may be able to temporarily adjust the
heating programme, for example, ‘Override’,
‘Advance’ or ‘Boost’. These are explained in
the manufacturer’s instructions.
The heating will not work if the room thermostat
has switched the heating off. And, if you have a
hot-water cylinder, the water heating will not
work if the cylinder thermostat detects that the
hot water has reached the correct temperature.
®
What is a programmer?
...an explanation for householders
Note:
Check boiler
instructions
before connecting.
Note:
Check boiler
instructions
before connecting.