1.
Note: Ensure condensate trap
is fully drained before removal.
2.
3.
4.
5.
6.
7.
8.
55
CONDENSATE TRAP/SIPHON REPLACEMENT
56
MAIN PCB REPLACEMENT
* Note. that production boiler PCB’s 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.
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.
4.
5.
6.
7.
Note. Ensure the correct
orientation of BCC by placing “TOP” side up as
shown.
8.
9.
10.
11.
3
3
2
SERVICING
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