Technical information

Installation and servicing instructions strictly reserved
for qualified gas installers
49
13.10 Viewing Window
For access, refer to section 13.1.
Refer to diagram 13.4.
Remove circlip.
Remove steel washer.
Remove glass.
Remove fibre washer.
Replace in reverse order.
13.11 Heat Exchanger
Refer to Manual Handling section on page 6.
For access, refer to section 13.1.
Refer to section 11.3 for removal of the fan, gas
valve and burner assembly.
Drain the boiler.
Pull to remove the black condense pipe out of the
bottom of the heat exchanger.
Undo the two nuts of the flow and return pipes from
the heat exchanger, see diagram 13.5.
Move the pipes away from the heat exchanger.
Loosen the three heat exchanger securing screws
and clamps (two at the top and one at the bottom) to
remove the heat exchanger, see diagram 13.5.
CAUTION: There will be water in the heat
exchanger.
Remove the condense pipe connector from bottom
of heat exchanger.
13.12 Flue Hood
For access, refer to section 13.1.
Remove heat exchanger as per section 13.11.
Remove the two securing screws and pull the flue
hood down and away from the flue hood bracket
and flue elbow, see diagram 13.6.
Diagram 13.4
CIRCLIP
GLASS
STEEL
WASHER
FIBRE
WASHER
12610
Diagram 13.5
FLOW AND
RETURN PIPE
NUTS
12611
SECURING
SCREWS AND
CLAMPS
(3 OFF)
FLUE HOOD
FLUE
HOOD
BRACKET
12612
SECURING
SCREWS
Diagram 13.6