Green Brook T109 Manual

Please read the instructions fully before
attempting installation.
IMPORTANT
This unit should be installed to cu ent
IET wi ing egulations if in doubt
consult a qualified elect ician.
• Timer must not be mounted on a
flammable surface.
• Ensure that the timer does not come
into contact with any combustible
materials such as towels or bedding.
• Ensure at least a 300mm air space
is allowed around the timer.
Installation/ Operating
Instructions for
Dual Tariff Boost Timer
- T109
INSTALLATION
THIS TIMER SHOULD NOT BE
FITTED ONTO A CONDUCTIVE
SURFACE (I.E METAL)
NOTE
Use the terminals 1 to 5 as identified.
1. Before you begin to install.
DISCONNECT THE MAINS SUPPLY
2. The Dual Tariff Boost Timer is suitable
for fixed wiring only.
3. The following cable cross sections
are possible:
4. Select the single or twin box fixing
points on the plate.
5. If the timer is to be surface mounted:
select the single or twin fixing points
on the back plate.
6. Wire entry from rear, both sides
possible.
7. Connect main cable as shown in
Dia.5.
8. Select desired flexible cable outlet
to immersion heaters and using pliers
remove the selected slot.
9. Clamp cables using attached cable
clamp.
10. Connect the ‘BOOST’ and the
‘TI ED ON’ as required in Dia.6,7&
8.
11. Assemble the timer to the back
plate by aligning the location pins
on the top of the backplate with
the cut outs provided on the clock
body. Lock in position using a fixing
screw.
Dia.1
Dia.2
Dia.3
Box Box
Dia.4
3 x 2.5mm2
(2X) output
3 x 4mm2
(2X) output
Dia.5
Dia.6
Two seperate immersion heaters.
Dia.7
Single immersion heaters.
Dia.8
Dual immersion heaters.
This timer controls the use of cheap
rate electricity during the night to heat
the water in your tank for the following
applications:
BOOST LOAD
BOOST LOAD
BOOST LOAD
TIME ON LOAD
TIME ON LOAD
TIME ON LOAD
MAINS
SUPPLY
MAINS
SUPPLY
MAINS
SUPPLY
BOOST
BOOST LOAD
TIME ON LOAD
NEUTRAL
MAINS
SUPPLY
ON/OFF
S ITCH
APPLICATIONS
T109 Ins J ly 21.qxp_Layo t 1 10/09/2021 13:31 Page 1

TECHNICAL INFORMATION
TIMED ON INDICATOR
The indicator glows when the ‘TI ED
ON’ output is active.
BOOST ACTIVATOR
The indicator glows if the ‘BOOST
SWITCH’ is used.
ON/OFF S ITCH - S ITCH IS IN ‘OFF
POSITION’
The settings of the ‘TI ED ON’and
‘BOOST’ time period are not activated
the clock runs but the heater is
disconnected.
S ITCH IS IN ‘ON POSITION’
The settings of the ‘TI ED ON’ AND
‘BOOST’ time period are activated and
the water will be heated during the
‘TI ED ON’ time period.
BOOST BUTTON
1. This button is only needed if you
need extra hot water during the
day time ‘PEAK’ time.
2. Choose your boost time
(adjustable between 15 & 120
minutes). Press the ‘BOOST BUTTON’
once for switching ON.
3. If you want to interrupt the boost
function before the boost time is
completed: Press the ‘BOOST
BUTTON’ again.
CHANGING THE ‘TIMED ON’ TIME
PERIOD
To set the time on period, move the
tappets for the ‘TI ED ON’ time period
to the outer position of the dial. The
minimum switching time is 15 minutes.
SETTING THE TIME OF DAY
Turn the dial in the direction of the
arrow (clockwise) until the correct time
of day is exactly opposite the time set
marker on the clockface (24hr clock).
FITTING THE SEE-THROUGH COVER
1. Once the see through cover is
located, it can be removed using a
screwdriver.
2. Align the bar on the edge of the
cover with the groove at the lower
end of the dial in the housing.
3. Remove the cover by applying a
screwdriver between groove and
cover.
Dia.10
Dia.11
Boost
Indicator
Boost
Button
On/Off
Switch
Timed on
Indicator
Clock with
Tappets
HEATER CONTROLLER AT A GLANCE
Dia.9
Rated Voltage: 230V, AC 50Hz
ax Current: 16A resistive, 2A Inductive
Ambient Temp: -10°C to + 55°C
Rating: 16A for immersion
heaters upto 3.5Kw
Boost: Adjustable between 15
and 120 minutes
Fitting: Surface mounted
Dimensions: 86H x 155W x 55D (mm)
Protection Category: IP20
Conforms To: EN 60730-1 & EN 60730-2-7
Issue no: 706355
EST ROAD . HARLO
ESSEX . CM20 2BG . UK
[e-mail]
www.greenbrook.co.uk
GUARANTEE
You G eenB ook Dual Ta iff Boost Time
is gua anteed fo 1 yea f om
the date of pu chase.
This is in addition to you statuto y ights.
PLEASE KEEP THESE INSTRUCTIONS
SAFE FOR FUTURE REFERENCE
NOTE:
Product & Packaging Disposal
When disposing of this item and its packaging
please follow local egulations and use an
app op iate waste disposal cent e.
See G eenB ook website fo fu the details.
T109 Ins J ly 21.qxp_Layo t 1 10/09/2021 13:31 Page 2