INSTALLATION
6 720 821 670 (2018/06)32
5.2 POSITION THE APPLIANCE 5.3 Wall mounting template & flue opening
SAFETY:
All relevant safety precautions must be undertaken. Protective clothing,
footwear, gloves and safety goggles must be worn as appropriate.
FIXING THE MOUNTING FRAME:
▶ The appliance template shows the relative positions of the flue and
the top and bottom fixing of the mounting frame.
1. Fix the template to the wall in the desired position.
2. Drill four holes for the wall mounting frame through the template.
Drill two holes for the bottom fixing screws.
REAR FLUE OUTLET
▶ The drawing opposite shows the appliance template with the flue
centre lines of both the 100mm and 125mm flue systems.
3. Mark centre line of flue to be used (3); the external diameter of the
hole can also be marked if required.
▶ If a 100mm diameter flue is to be used, a 125mm diameter hole is
required. However, if using the weather sealing collar by pushing it
through from inside the property, then a 150 mm diameter hole is
required to accommodate this.
▶ The flue turret of the 100mm flue has an in-built 3° angle.
▶ If extensions are to be added then the complete flue must rise at an
angle of 3°.
▶ The 125mm diameter flue system will require the flue to rise at an
angle of 3°.
▶ Drill hole using a core drill or similar.
SIDE OUTLET:
4. Mark from the centre line of the wall template to the wall which the flue
will pass through (4).
▶ Allow for a rise of 52mm per metre length of flue, to give a 3° angle.
▶ Clear any debris from the site.
Fig. 26 Marking the flue position
WARNING:
▶ Ensure the mains gas supply is isolated before
starting any work and follow all relevant safety
precautions.
Appliance positioning
▶ Ensure the appliance is mounted onto a level, fixed
rigid surface capable of supporting the appliance
weight.
▶ Ensure all aspects of the installation are considered
when positioning the appliance, flue run and
discharge, condensate disposal, PRV discharge etc.
WARNING: Damage to property!
Damage caused by drilling into pipes, electrical cables,
damp proof course or other hazards.
▶ Before drilling ensure that there are no obstructions
or other hazards.
NOTICE: Damage to appliance!
Residue, metal shavings, and contaminants in the
system pipe work can damage the appliance.
▶ Flushing the system pipe work thoroughly and
completely to remove all residue.
▶ Follow the instructions with respect to cleaning
primary systems.
Flue outlet position
▶ Ensure all horizontal flue sections rise away from the
appliance by 52mm per metre to ensure that
condensate flows back into the appliance for safe
discharge via the condensate waste pipe.
The template has been sized to allow for minimum
clearances of 5mm sides, 200mm base and 30mm
above a 100mm diameter flue elbow.
6720813283-01.1Wo
4.
1.
3.
127 mm
2.
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