KingShield T109-C Installation & Operating Instructions

INSTALLATION /OPERATING
INSTRUCTIONS FOR
DUAL TARIFF BOOST TIMER
- T109-C
Please read the instructions fully before
attempting installation.
IMPORTANT
This unit should be installed to current
IEE wiring regulations if in doubt
consult a qualified electrician.
• 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
THIS TIMER SHOULD NOT BE
FITTED ONTO A CONDUCTIVE
SURFACE (I.E METAL)
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:
Fig.1
3 x 2.5mm
(2X) output
Fig.2
3 x 4mm
(2X) output
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.
Fig.3
box
2
2
Fig.4
box
7. Connect main cable as shown in Fig.5.
8. Select desired flexible cable outlet to
immersion heaters and using pliers
remove the selected slot.
9. Clamp cables using attached cable
clamp.
NOTE
Use the terminals 1 to 5 as identified.
ON/OFF
SWITCH
Fig.5
MAINS
SUPPLY
10. Connect the 'BOOST' and the
'TIMED ON' as required in Fig.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.
APPLICATIONS
This timer controls the use of cheap rate
electricity during the night to heat the
water in your tank for the following
applications:
MAINS
SUPPLY
TIME ON LOAD
Fig.6
Two seperate immersion heaters.
BOOST LOAD
MAINS
SUPPLY
TIME ON LOAD
Fig.7
Single immersion heaters.
BOOST LOAD
MAINS
SUPPLY
TIME ON LOAD
Fig.8
Dual immersion heaters.
BOOST
BOOST LOAD
TIME ON LOAD
NEUTRAL
BOOST LOAD