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4A.10 WATER TREATMENT
Vokera recommend that water treatment be carried out in
accordance with the Benchmark Guidance on water treatment
in central heating systems. If water treatment products are
to be used, then they must be entirely suitable for use with a
stainless-steel heat exchanger. Any water treatment product,
must be administered in strict accordance with the manufacturer’s
instructions. If the appliance is to be installed to an existing
system; water treatment and flushing of the complete heating
system should be carried out in accordance with BS 7593 and
the Benchmark Guidance on water treatment in central heating
systems.
4A.11 SHOWERS
If the appliance is intended for use with a shower, the shower
should be thermostatically controlled and be suitable for use
with a combination boiler.
4A.12 DECLARATION OF CONFORMITY
A Declaration of Conformity (as defined in I.S. 813) must be
provided on completion of the installation.
A copy of the declaration must be given to the responsible
person and also to the gas supplier if required.
5. SECTION - INSTALLATION
NOTE:
Please refer to section 4, section 4.1 and use the
appropriate PPE when carrying out any of the actions or
procedures contained within this section.
5.1 DELIVERY
Due to the weight of the appliance it may be necessary for two
people to lift and attach the appliance to its wall bracket. The
appliance is contained within a heavy-duty cardboard carton.
Lay the carton on the floor with the writing the correct way up.
5.2 CONTENTS
Contained within the carton is:
• the boiler
• the wall bracket
• 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.
5.3 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 accessories etc. to one side. Protective gloves should
be used to lift the appliance, the appliance back-frame should
be used for lifting points.
5.4 PREPARATION FOR MOUNTING THE
APPLIANCE
The appliance should be mounted on a smooth, vertical,
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).
5.4.1 FITTING THE PRE-FIXING JIG (optional)
1
1
1
1
1
1
2
2
2
2
2
2
3
3
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4
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use position 2
Fig. 8
When the position of the appliance has been decided – using
the template supplied – carefully mark the position of the wall
mounting bracket/pre-fixing jig and flue-hole (if applicable).
Once the pre-fixing jig is in place, the pipework can now be
fitted. Fit the pipework to sit within the pre-formed guides of
the fixing jig and to the required length for either a standard
wall or standoff bracket.
Once the pipes have been fitted, the jig can now be removed.
Top flue
Fig. 9
