Supplied By www.heating spares.co Tel. 0161 620 6677
15
FROM THE SAME ISOLATOR AS THAT OF
THE APPLIANCE. The supply cable from the
isolator to the appliance must be 3-core flexible
sized 0.75mm to BS 6500 or equivalent. Wiring to
the appliance must be rated for operation in
contact with surfaces up to 90 ºC.
4.7.1
CASING REMOVAL
To gain internal access to the appliance you must
first remove the casing, proceed as outlined be-
low:
●
locate and unscrew the 3-screws (
A
) that se-
cure the outer casing to the appliance (see fig.
15)
●
lift the casing upward to disengage it from the
top locating hooks and then remove
●
store the casing and screws safely until re-
quired. Re-fit in the reverse order
●
gently lower the control fascia until it rests.
4.7.2
APPLIANCE TERMINAL BLOCK
The appliance terminal block is located on the
left side of the control fascia (see fig. 15). Locate
and remove the screw that secures the terminal
block cover.
NOTE
The appliance comes with a factory fitted clock
to allow basic operation of the boiler. If it is antici-
pated that additional controls - such as a room
thermostat - will be required please refer to the
wiring diagrams in section 8 for more detailed
information.
4.7.3
CONNECTING THE MAINS (230V) INPUT (see
fig. 16)
Lift the terminal block cover as described in 4.7.2.
Pass the cable through the cable anchorage point.
At the terminal block on the extreme left, there
are 3 terminals from left to right they are:
LIVE
NEUTRAL
EARTH
Connect the supply cable wires (LIVE, NEU-
TRAL & EARTH) to their corresponding terminals
on the appliance terminal block (see fig. 17).
Ensure that the EARTH wire is left slightly longer
than the others, this will prevent strain on the
EARTH wire should the cable become taut.
Control panel screws and casing screws
Fig. 15
A
Fig. 16
The securing screw on the cable anchorage
should now be tightened. This must be done
before the control fascia is re-fitted in the upright
position. The appliance casing and screws can
now be re-fitted.
Fig. 17