10
221992D
Diagram 4.2
10051
General Installation Notes
The appliance pack contains :-
Boiler
Fan connector
Casing panels, packed seperately.
Loose items fittings pack, see list in pack.
The flue is supplied seperately.
NOTE: The rear flue option kit Part No. 425861 is available,
which consists of wall cover plates, for replacement Buckingham
balanced flue appliances.
Before installation of the boiler make sure that the location
selected is in accordance with the requirements of Section 1.7.
4.1 Unpacking
The boiler casing panels are packed separately within the main
carton and are designed to enable gas and water connections
to be made before fitting the casing panels.
The casing brackets, flue restrictor, distributor tube and other
loose items, are in the fittings pack.
NOTE:
To make a neat finish to the flue outlet a flue collar kit, part No.
900850, with instructions, is available, see diagram 4.4.
If required an optional wall liner kit, part no. 900862, is available
complete with instructions.
All flue assemblies are designed for internal installation.
Make sure that the ductings do not slope down towards the
boiler.
Diagram 4.1
9867
9868
4.2 Flue Position and Length
Select the boiler location, with due regard to the flue length and
terminal position, see diagrams 3.1 and 4.1.
For a wall thickness up to 300mm, provided that the optional
wall liner kit is used, the flue can be fully installed from the
inside.
For a wall thickness of over 300mm the external flue hole will
need to be made good from the outside, this also applies if you
use the flue kit without the optional wall liner kit, irrespective of
wall thickness.
4 Installation
REAR STD.
REAR
75
95
510
MINIMUM
WALL
THICKNESS
MINIMUM
FLUE
LENGTH
MAXIMUM
FLUE
LENGTH
FLUE
PACKS
NOTE :
IF IT IS NECESSARY TO CUT THE DUCTS
TO ACHIEVE THE "FLUE LENGTH" MAKE SURE
THAT THE OVERLAPS ARE AS FOLLOWS :-
THE OVERLAP FOR AIR DUCT = 25mm
THE OVERLAP FOR FLUE DUCT = 50mm
FLUE & AIR DUCT LENGTH = A + 15 + 3
387
194
700
115
BOILER
OUTLINE
FRONT VIEW
*
INCREASE TO 30mm IF A FLUE COLLAR IS ADDED
*
