Potterton LPG 50e Installation And Servicing Manual page 13

INSTALLATION INSTRUCTIONS - Page 13
FIG. 13 SECTIONAL VIEW OF AIR/FLUE DUCT ASSY
THROUGH WALL
4. Protect duct where it is likely to come into contact with
mortar by using adhesive tape provided (accessory
pack E).
FIG. 14 PREPARING BOILER
The controls cover should have been removed when
unpacking the boiler, if not remove controls cover by
opening the door covering the securing screw on the
underside of the controls cover, see FIG. 14. Undo securing
screw, pull controls cover forward 10mm, lower to release
from the four side fixings and pull forward clear of the
thermostat knob.
Remove door by undoing the two lower fixing screws and lift
door off the two upper hinge brackets.
Remove the screws securing the combustion chamber front
panel and remove panel.
Disconnect the fan supply leads from the connector
adjacent to the fan. Leaving in place the three screws
identified with a red circle or adjacent 'F' mark in fan plate.
Remove the remaining screws securing the fan mounting
plate and remove the mounting plate complete with fan.
5. Insert the assembly into the wall sliding the rope sealing
ring along the air duct into the flue sealing collar. Bend
the six tabs on flue sealing collar inwards to retain the
rope sealing ring. Ensure air duct flange studs do not
obstruct lifting of boiler onto mounting bracket.
Disconnect the two flexible tubes from the flue elbow.
Remove the four brass securing nuts and lift off the flue
elbow, taking care not to damage the gasket.
NOTE:
If side fluing, loosen the two brass securing nuts
beneath the flue elbow outlet and remove the other two.
Tilt the flange and withdraw the elbow.
The boiler is supplied with the left hand flue outlet sealing
plate removed. If another flue outlet direction is required,
remove the appropriate flue outlet sealing plate and transfer
it to the left hand position.