Supplied By www.heating spares.co Tel. 0161 620 6677
55
14 Replacement of Parts
MAIN PCB
RETAINING
CLIPS
RETAINING CLIPS
FUSE
14.21 Access to User interface and Main
PCB
For access, refer to section 14.1.
Hinge down the control box and unclip the rear cover to gain
access.
Remove electrical connections from main PCB noting their
positions for replacement.
Unclip main PCB and remove, see diagram 14.10.
Unclip user interface and remove.
For replacement, see diagram 14.11 and ensure that the user
interface connection cable is refitted.
NOTE: When re-fitting any of the control boards make sure
you support the control box to avoid straining hinges as you
push down and clip back into place.
14.22 Control Box
For access, refer to section 14.1.
Hinge down the control box and unclip the rear cover to gain
access.
Remove relevant electrical connections from main PCB and
grommets from the control box.
IMPORTANT: Support the control box whilst undoing the
hinges.
Remove the hinge securing screws accessed from beneath
the boiler and remove the control box, see diagram 14.12.
Diagram 14.10
13003
CONTROL
BOX
CONTROL BOX
REAR COVER
HINGE
SECURING
SCREW
HINGE
SECURING
SCREW
Diagram 14.11
USER
INTERFACE
USER INTERFACE
CONNECTION CABLE
Diagram 14.12
13004
13001
14.23 Fuse - Main PCB - Control Box
For access, refer to section 14.21.
The fuse is located at the top left hand corner of the main
PCB, see diagram 14.10.
14.24 Installer Interface
Remove the Installer Interface securing screw accessed from
beneath the boiler.
Carefully pull down the Installer Interface to remove, see
diagrams 10.1 and 10.2.
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