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SECTION 4 - INSTALLATION
4.1 DELIVERY
Due to the weight of the appliance it may be necessary for two peo-
ple to lift and attach the appliance to its mounting. The appliance is
contained within a heavy-duty cardboard carton. Lay the carton on
the floor with the writing the correct way up.
4.2 CONTENTS
Contained within the carton is:
• the boiler
• the wall bracket & fixing jig
• template
• carton template
• an accessories pack containing appliance service connections
and washers
• the instruction pack containing the installation, servicing & user
instructions, guarantee registration card and a 3-amp fuse.
4.3 UNPACKING
At the top of the carton pull both sides open – do not use a knife
– unfold the rest of the carton from around the appliance, carefully
remove all protective packaging from the appliance and lay the ac-
cessories etc. to one side. Protective gloves should be used to lift the
appliance, the appliance back-frame should be used for lifting points.
4.4 PREPARATION FOR MOUNTING THE APPLI-
ANCE
The appliance should be mounted on a smooth, vertical, non-
combustible surface, which must be capable of supporting the full
weight of the appliance. Care should be exercised when determining
the position of the appliance with respect to hidden obstructions
such as pipes, cables, etc.
When the position of the appliance has been decided – using the
template supplied – carefully mark the position of the wall-mounting
bracket and flue-hole (if applicable).
If you intend to run the pipe-work vertically behind the boiler, move
the screws on the fixing jig from the default position (No. 3) to posi-
tion No. 5. You will also require a spacer kit, part No. 435 (see 4.6).
4.5 FITTING THE FLUE
The top flue outlet permits both horizontal and vertical flue applica-
tions to be considered, alternatively, the Vokèra twin flue system can
be utilised if longer flue runs are required.
4.5.1 CONCENTRIC HORIZONTAL FLUE
(For concentric vertical flue, see 4.5.2).
(For twin flue applications, see 4.5.3).
The appliance can be used with either the Vokèra condensing 60/100
mm concentric flue system or the optional 80/125 mm concentric
flue system.
NOTE
These instructions relate only to the Vokèra condensing 60/100 mm
concentric flue system. For specific details on the installation of the
80/125 mm concentric flue system please refer to the instructions
supplied. The appliance flue outlet elbow can be rotated through
360º on its vertical axis. In addition the flue may be extended from
the outlet elbow in the horizontal plane (see 2.9). A reduction must
also be made to the maximum length (see table below) when ad-
ditional bends are used.
Reduction for additional bends
Reduction in maximum flue length for each bend
Bend
45° bend
1 m
90° bend
1 m
Reduction in maximum flue length for each bend
Bend
45° bend
1 m
90° bend
1 m
Ø60-100
Ø80-125
Horizontal flue terminals and accessories
Part No.
Description
29450120
Horizontal flue kit
29450121
Telescopic flue kit
522
Plume management kit
29450123
90-degree bend
29450124
45-degree bends (pair)
29450125
500mm extension
29450126
1000mm extension
29450127
2000m extension
29450128
Telescopic extension
529
Wall bracket pack (5)
Using the template provided, mark and drill a 115 mm level hole for
the passage of the flue pipe.
Note that if extending the flue, the hole should be drilled at a higher
position taking into account the 1-3 degree fall back of extension
pipes (fig.7A). The fixing holes for the wall-mounting bracket/fixing jig
should now be drilled and plugged, an appropriate type and quan-
tity of fixing should beused to ensure that the bracket is mounted
securely. Once the bracket has been secured to the wall, mount the
appliance onto the bracket.
Outer clamps
Fig. 7
FITTING THE HORIZONTAL FLUE KIT
Carefully measure the distance from the centre of the appliance
flue outlet to the edge of the finished outside wall (dimension X).
Add 65 mm to dimension X to give you Dimension Y (see fig 7B).
Measure dimension Y from the terminal end of the concentric flue
pipe and cut off the excess ensuring any burrs are removed. Pass
the concentric flue pipe through the previously drilled hole. Fit the
flue bend to the boiler flue outlet and insert the concentric flue pipe
into the flue bend ensuring the correct seal is made. Using the
clamp, gasket, and screws supplied, secure the flue bend to the
appliance flue spigot.
NOTE
Fit the internal (white) trim to the flue assembly prior to connecting
the flue pipe to the bend.
You must ensure that the entire flue system is properly supported
and connected. Seal the flue assembly to the wall using cement or
a suitable alternative that will provide satisfactory weatherproofing.
The exterior trim can now be fitted.
Fig. 7A
Length
900 mm
455/630 mm
1370 mm
N/A
N/A
500 mm
1000 mm
2000 mm
372/519 mm
208 mm
Terminal or
extension
"X"
30mm
"Y"
1°-3° degree
0° degree
"X" + 65 mm = "Y"
11
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