Installation manual

46
15.2.5 Fan
Remove the gas valve (15) (see
previous paragraph).
Remove the fan connector (18).
Loosen the 4 screws (8) located on the
burner unit (7).
Remove the fan (7).
Screw the new fan to the burner unit
(7).
Repeat the above operations in reverse
to reassemble the fan.
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15.3 Expansion vessel
1
5
1
2
3
4
6
Legend
1 Hanging bracket retaining screw
2 Expansion vessel retaining screw
3 Expansion vessel
4 Expansion vessel coupling
5 Hanging bracket
6 Pressure test point
Loosen the coupling (4) from the
expansion vessel (3).
Loosen screws (1) and (2) on the
hanging bracket (5) and remove it.
Remove the expansion vessel (3)
towards the front.
Fit the new vessel by repeating the
operations in reverse.
Check the inlet pressure at the
expansion tank (see paragraph on
“Technical Data”) through the pressure
test point (6) and adjust if necessary.
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