Supplied By www.heating spares.co Tel. 0161 620 6677
14
221764B
AP
AP
P
P
CB
CB
CB
CB
230
(9)
25
(1)
230
(9)
230
(9)
6 Electrical Wiring
MAINS INLET
CONNECTOR
Diagram 6.1
0878
N
L
CABLE
CLAMP
COVER
SLOTS
LUGS
E
6.1 Control Box Cable Connection.
WARNING. This boiler must be earthed.
Remove the screw and cover from the mains inlet connector,
supplied loose, see diagram 6.1.
Using heat resistant flexible cable of a suitable length and rating
as stated in Section 1.7 “Electrical” connect the three wires to
the appropriate terminals in the connector.
Engage slots and lugs, replace cover and secure with screw.
Connect the mains inlet connector to the control box and use
three of the cable clips, from the loose items pack, pushed onto
the edge of the right-hand panel in position CB as shown on
diagram 6.2 to ensure the cable does not touch any hot
surfaces.
6.2 Pump Cable Connection
Heat resistant cable as above must be used if the pump is to be
fitted inside the casing.
Support the cable in a similar manner to Control Box Connection,
only fit clips to the casing at P or AP as diagram 6.2.
6.3 System Controls
The electrical installation must be made in accordance with the
current issue of BS7671.
The electrical isolator must isolate both the appliance and
system controls.
6.4 Testing
Checks to ensure electrical safety should be carried out by a
competent person.
In the event of an electrical fault after installation of the boiler,
preliminary system checks must be carried, that is, earth
continuity, polarity and resistance to earth, as described in the
British Gas Multimeter Instruction Book or equal publication.
9016
CABLE CLIP POSITIONS
Diagram 6.2
Fit 4 control
box feed cable
clips at positions
CB
Alternative pump
cable clips (if feed is
on the left hand side)
at positions AP
Fit 2 pump cable
clips at positions P