Worcester Greenstar 12i System Instruction Manual page 46

12
REPLACEMENT OF PARTS
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12.3
REPLACEMENT OF PARTS
12. Replacing control
The c:ontrol is supplied within its plastic
housing. The complete unit must be replaced.
• RemO'te ALL electrical connections from
the control PCB including where cables run
through restraints. These can be unclipped
from the plastic: moulding noting their
position.
• Remo-te the cooje plvg
(B). The
ocxle plog
should be left attachad to
the ffame
of the
boiler
by
its plastic safety thread.
12.1 Remove the 3 screws (C) retainillg the
front facia. maJ<ing sure to support the facia
when removing the last screw.
12.2 Using a suitable tool (D), press the button
(E)
upwards and slioje 1he control support
bracket
(F) to the
fell
12.3 Support the control and vnclip control
support cable (G) from the boiler frame.
• Remove the support cable and fit to the
new control •
• Remove appropriate cable restraints from
the new control box.
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Fit control
to th&
boiler •
Re-connect support cable to the boiler and
all ~~~ctf'ical conooctlons to th~ new conttol.
IMPORTANT: ENSURE CODE PLUG
IS RE-FITTED TO THE NEW
CONTROL. IF THIS I S NOT DONE
THE BOILER WLL INDICATE
ERROR AND WILL NOT FUNCTION.
Bosd!Gtoup