Model 103E7.pdf

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103E7
7-day electronic
timeswitch for controlling
hot water and heating
Installation & User Instructions
including Factory Replacement Units (FRU)
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Index
Installation
Product specifi cation
3
Installation
4-6
Wiring
6-9
Replacement
10-11
User
Your timeswitch
12
Resetting the unit
12
24hr or AM/PM display
13
Setting the Time and Day
13
Factory preset programmes
14
Changing the preset programmes
15
Setting the programme - 7 day
16-17
Setting the programme - 5/2 day
18-19
Running your programme
20
Temporary user overrides
21
Changing clocks forward/back
22
Battery backup
23
Contact details
24
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Installation Instructions
Please Note:
This product should only be installed by a qualifi ed
electrician or competent heating installer, and
should be in accordance with the current edition of
the IEEE wiring regulations.
Product specifi cation
Specifi cation
Power supply
230Vac ± 15%, 50 Hz
Switching action
1 x SPST, Type 1B
Switch rating
264Vac, 50/60Hz, 3(1)A
Setting/Running Accuracy
±1 min./month
Power Reserve
Minimum 24 hours
Enclosure Rating
IP30
Max. Ambient Temperature
45°C
Dimensions, mm (W, H, D)
102 x 136 x 47
Design standard
EN 60730-2-7
Control Pollution Situation
Degree 2
Rated Impulse Voltage
2.5kV
Ball Pressure Test
75°C
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Installation
NB. For FRU units - go straight to point 6 below.
1.
Loosen the fi xing screw in the base of the unit to release
the Wiring Cover.
2.
Holding the unit face downwards, press fi rmly in the
centre of the wallplate and slide it apart and lift it from
the module.
3.
Fix the wallplate and terminal block to the wall, or
plaster box, as required. Ensure that the screw heads
do not protrude beyond the vertical centre rib of the
wallplate, or this will prevent the module correctly
locating onto the wallplate.
Screw fi xing holes
(screwheads MUST
NOT protrude
above centre rib)
Vertical centre rib
Wallplate & Terminals
4. Surface cables can only enter from below the unit. Cut
an appropriate cable aperture in the wiring cover. If the
wallplate is mounted on a plaster box, cables can enter
from the rear below the terminal block.
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5. Electrical connections are simplifi ed by using a Wiring
Centre. However, if this is not used, the wallplate
terminal identifi cation is as shown.
Load
Mains Supply
(via 3 amp fuse)
ON
SPARE
COM
N
L
1
2
3
5
6
If the system being controlled is 230 Vac, then
terminals 3 and L must be linked with insulated cable
capable of carrying full load current. Whilst the unit
does not require an earth connection, a terminal is
provided on the wallplate for earth continuity purposes.
6. Referring to the wiring diagrams on page 6-9, connect
the unit as shown.
7. Find out from the user whether the unit is required to
operate in 7-day mode (factory preset) or weekday/
weekend mode (5/2 day) . To convert to 5/2 day
mode remove the small two-way connector from the
pins towards the left of the recess on the rear of the
module, then press the button marked R/S under the
fl ap to RESET the unit.
8. Ensure all dust and debris are cleared from the area.
Plug the module into the wallplate by locating it onto
the wallplate and, when fl ush with it, sliding it down,
ensure the hook at the top of the wallplate engages
with the slot at the back of the module.
9. Before setting the programme, check the unit and
circuit. Press the SELECT button until the bar in the
display lines up with the word ON. Adjust the remote
thermostats to check the system operates correctly.
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