18
220683B
WASHER
FRONT
COVER
NUT
CONTROLS
COVER
FRONT
COVER
WING
NUT
4115
5.1 Boiler Preparation
With the boiler still in the bottom tray, slide the controls
tray upwards and remove it as shown in diagram 5.1.
Remove the front cover by undoing (and keeping) the
screw and wing nuts and lifting the front cover off, see
diagram 5.1.
Remove the packing piece from inside the front cover.
Place front cover on one side until required.
Fit suitable compression fittings to the boiler
connections.
5.2 Mounting the Boiler
As necessary, fit the blanking plate, see diagram 5.2.
Now make sure that the top, swing brackets are
UPRIGHT.
Lift the boiler into position, hooking over the mounting
bracket.
Swing the brackets over the two screws at the top.
Hold the swing bracket(s) in place whilst tightening the
screw(s) on to it, see diagram 5.3.
Remove the blue and red electrical connections from the
fan, see diagram 5.4.
Break the air pressure switch tube connections, see
diagram 5.4.
Remove the fan assembly by removing the screws at the
front, slackening the screws at the rear and sliding it out,
see diagram 5.4. Taking care not to damage the gasket.
Secure the flue assembly to the boiler using the
previously fitted dogpoint screws noting that these are
keyhole fixings, see diagram 5.5.
Make sure of the correct fitting of the flue to the boiler.
For a side outlet cut the fan duct extension to the length
required, see diagram 5.6.
Remove any burrs and fit as diagram 5.6.
Fit the fan duct extension to the elbow and assembly to
the fan, see diagram 5.6
Do not secure at this point with the screw.
Position the fan assembly and engage the fan duct
extension over the flue manifold. Make sure, by pushing
in the flue duct extension that a secure seal is made.
Mark the final position of the fan duct extension in the
screw hole on the elbow, remove the assembly, seal with
sealant, supplied in the loose items pack and secure with
the screw as diagram 5.6.
Secure the elbow to the fan outlet with the Jubilee clip.
For rear outlet cut and fit the fan duct extension as
shown in diagram 5.6.
Fit fan assembly by engaging the fan duct extension over
the flue manifold spigot, see diagram 5.7.
5 B o i l e r I n s t a l l a t i o n
Diagram 5.1
4617
GASKET
NUT (3)
BLANKING
PLATE
Diagram 5.2
Secure the fan assembly with the screws previously
slackened and removed.
Reconnect the blue and red electrical connections to the
fan, the polarity of the connections is not important.
Reconnect the air pressure switch tubes as shown in
diagram 5.4.