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11. Installation
11.1. General.
11.1.1. The appliance is suitable for sealed systems only.
11.1.2. The flue must be installed in accordance with BS5440:1.
11.2. Unpacking and appliance preparation
11.2.1. Remove the appliance from its packing and lay it on its
back.
11.2.2. Unscrew the connections linking the appliance to the wall
mounting plate/manifold assembly and separate the two
assemblies by lifting the base of the appliance and pulling the
mounting plate/manifold assembly out from beneath the
appliance.
11.3. Site preparation
11.3.1. Check that the wall is sound, flat and will support the
weight of the appliance. Refer to Table 4.
11.3.2 Check that the correct position for the appliance has been
chosen.
Fig 18- Wall Mounting Plate and Manifold Assembly
462
420
210
Mounting Plate
Wall Hole
125 Internal Fix
150 External Fix
322
A
252
B
202
C
144
D
98
E
55
F
A. Relief Valve Discharge
B. Central Heating Return
C. Central Heating Flow
Fig 20- Rear Pipe Work Clearance
210
Mounting Plate
75
175
Space
for
pipes
Fixing Holes (6)
Top of Cabinet
180
114
773
683
904
72
D. Cold Water Inlet
E. Domestic Hot Water Flow
F. Gas Inlet
462
420
114
75
175
Space
for
pipes
Fig 19- Side Flue Opening Position
11.4. Fixing holes and flue opening
11.4.1. Fix the template or the mounting plate/manifold
assembly to the wall and mark the position of the fixing holes
and the flue duct opening. Refer to Fig 18 and 19.
11.4.2. Check the position and alignment of the marks before
drilling the fixing holes and the flue opening. Note: If a rear flue
is to be used stick the foam gasket, supplied in the installation
pack, onto the wall.
11.5. Wall mounting plate and manifold
11.5.1. If the flue is to be fitted from inside the room then it must
be fitted through the wall before the wall mounting plate
assembly is fitted to the wall. Refer to Section 11.8-9.
11.5.2. Fit the plugs and fix the plate/manifold assembly to the
wall.
11.5.3. Check that the assembly is properly aligned before
tightening the screws.
11.5.4. Notches on the manifold indicate the centrelines of the
pipe connections.
11.6. Gas and water pipes
11.6.1. Remove the gas cock, fix the appropriate fitting to
connect the inlet pipe and replace. Refer to Fig 4.
11.6.2. Pre-plumbing is not advised if no movement in the
pipework is available.
11.6.3. If it is necessary for any of the pipes to run up the back of
the appliance then they must be arranged to pass either side of
the flue duct outlet when a rear flue system is used.
Refer to Fig 20.
13
SIDE
FLUE
OPENING
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