Installation manual

Installation and servicing instructions strictly reserved for qualified gas installers
53
15.5.2 Main board
1
2
3
4
5
6
8
9
10
11
13
12
7
A
Legend
1 Switchbox protective cover retaining
screw
2
Cover retaining plate on the switchbox
3 Low voltage harness connector
4 Low voltage harness connector
5 Low voltage harness connector
6 Main board
7 Switchbox
8 Ignition module harness connector
9 Heating pump harness connector
10 DHW pump harness connector
11 Low voltage harness connector
12 Main board harness connector
13 On/Off switch harness connector
A Main board retaining clips
Remove the 2 switchbox protective
cover retaining screws (1).
Remove the cover retaining plate on
the switchbox (2).
Remove the switchbox protective cover
.
Disconnect the connectors (3) (4) (5)
(8) (9) (10) (1
1) (12) (13) from the main
board.
Remove the main board (6) from the
switchbox (7) clips (A).
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Fit the new main board in the reverse
order
.
15.5.3 User interface board
2
1
3
4
Legend
1 User interface board retaining clips
2 Main board harness connector
3 User interface board
4 User interface board retaining screws
Push on the 2 retaining clips (1) of the
user interface to make it tip over.
Remove the main board harness
connector (2).
Remove the user interface board
retaining screws (4).
Remove the user interface board (3).
Fit the new user interface board in the
reverse order
.
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