4 Boiler Installation Information
12
Boiler Installation
Information
4.1 Introduction
The boiler is supplied already fully
assembled with the flue terminal guard
supplied loose inside the boiler.
4.2 Boiler Location
1. The External Combi boiler must
stand on a solid, level surface
capable of supporting the weight of
the boiler when full of water, e.g. a
prepared concrete standing, paving
slabs bedded down on sand /
cement, or similar.
2. The Module can be installed either
against the building or ‘free standing’
some distance away from the
building.
3. The Module must be positioned
such that the required clearances
from the low level flue outlet, as
shown in Figure 9-1, are achieved.
4. Adequate clearance must be left
around the boiler for servicing. In
particular, a minimum clearance of
600mm above the boiler for removal
of the top panel and 600mm at
each end allow for access to the
burner and condensate trap.
4.3 Preparation for Installation
1. Carefully remove the packaging
from the boiler and remove it from
the transit pallet.
2. Remove the case top panel and also
the front and rear panels, as required.
3. The flue may exit the boiler from
the left, right or rear of the casing.
Carefully press out the pre-cut
section on the side or end casing
panel to provide the opening in the
required position for the flue to pass
through the casing.
Fit the cover panel (with the round
flue exit hole) over the square flue
opening in the casing. Fit the circular
rubber sealing grommet provided
into the hole in the cover panel
before fitting the flue terminal section.
4. Slacken the wing nuts holding the
flue elbow and rotate the elbow to
the required direction for the flue to
exit the casing.
5. Push the end of the flue terminal
section with the red seal through the
seal in the casing. The terminal has
been factory lubricated. Take care not
to dislodge or damage the red seals.
6. Carefully insert the terminal into the
flue elbow until the bend of the
terminal contacts the outer casing,
then, pull the terminal forward
approximately 25mm and rotate the
bend so that the outlet is horizontal.
Rear Exit - The flue must discharge
away from the building.
Side Exit - The flue should discharge
towards the rear of the casing to
prevent flue gases reentering the
boiler casing through the air inlet
vents on the casing front door.
The flue terminal must be fitted
horizontally to prevent dripping from
the end of the terminal.
7. Tighten the wing nuts holding the flue
elbow and fit the stainless steel flue
guard using the two screws provided.
8. The top panel of the casing has
been designed so that it may be
fitted to create a slight slope away
from the side positioned against the
wall. To tilt the top panel, loosen the
four top panel casing screws, one at
each corner and push down on the
side furthest from the wall. Tighten
the screws. See Figure 4-1.
4.4 Installing the Boiler
1. If the boiler is to be fitted against the
wall, prepare the wall to accept the
heating system pipework. To mark
the wall for drilling, refer to Figure
2-1 for the positions of the pipework
openings in the enclosure sides.
Pipework should be insulated where
it passes through the wall into the
boiler enclosure.
2. A painted steel wall flashing strip is
supplied with the boiler to cover the
gap between the wall and the boiler
casing. It should be secured to the
wall leaving a gap of 30mm
between the bottom edge and the
top of the casing top panel, to allow
removal of the top panel for
servicing.
3. If the boiler is to be installed ‘free
standing’ (that is, away from a wall)
and the pipework run underground,
push out the ‘knock-outs’ to open
the required pipe openings in the
base of the boiler enclosure.
Using a sharp knife, cut through the
polystyrene in the base, around the
edge of the holes, to allow the flow
and return pipes to enter the
enclosure.
A spare blanking plate with a 112mm
diameter hole is supplied with the
Outdoor Vortex Combi boilers. This is
intended to provide an opening into
the boiler if a 110mm soil pipe is
used as a pipe duct through the wall.
!
NOTE
!
NOTE
Figure 4-1: Standard supplied flue
Top panel
fixing screw
Top panel
fixing screw
Top panel
fixing screw
Angle top panel to
slope away from wall
using slots provided
Terminal guard
fixing screw
(one each side)
End of terminal
with red seal
Flue elbow
Rear Exit Right ExitLeft Exit
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