1.
Note: Ensure condensate trap is
fully drained before removal.
2.
3. Disconnect the condensate
4. Remove the cleaning plug
5.
6.
7. When reassembling ensure
8.
59
CONDENSATE TRAP/SIPHON REPLACEMENT
60
MAIN PCB REPLACEMENT
Note. Fit the earth strap provided with the PCB
to your wrist and secure to a suitable earth on
the boiler chassis.
1.
2.
3. Remove the 2 screws retaining the control
4. Carefully lift the 4 retaining clips and remove
5.
including the ribbon cable (to facilitate
ribbon cable removal, ease side clips apart
and pull upwards), also where applicable,
push the small plastic clip with an electrical
6.
7.
appropriate Boiler Chip Card (BCC) to it (this
should correspond to the output of the boiler:
Note. Ensure the
correct orientation of BCC by placing “TOP”
side up as shown.
8.
9.
10.
moments the display will start alternating
fully clockwise and when the display shows
Finally move the knob into the required
11.
4
3
3
4
5
Clip
5
2
Ribbon
Cable
Connection
7
Note that production boiler PCBs are factory pre-set to operate for boiler range and output, but when ordering Primary PCB as a
spare, an additional Boiler Chip Card (BCC) MUST also be purchased for your specic boiler range and output.
SERVICING
206279-1.indd 45 06/01/2011 09:10:38
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