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3.6
BOILER LOCATION AND CLEARANCES
3.6.1
INSTALLATION
This boiler is only suitable for installing internally within
a property at a suitable location onto a fixed, rigid
surface at least the same size as the boiler and capable
of supporting the boiler weight.
NOTICE:
No surface protection is required against
heat transfer from the boiler
3.6.2
SERVICING CLEARANCES -
VENTILATED COMPARTMENT
Figure 18 shows the minimum space required to install
and service the boiler in a ventilated compartment.
• If a boiler is installed in a compartment with
clearances less than shown in the tables 14, 15,
or 16 ventilation is required. Refer to table 12 for
ventilation requirements.
To room or
Vent position
internal space
High level
Minimum free
area 122 cm
Low level
Minimum free
area 122 cm
Tab. 12 Compartment ventilation
930 mm
Using 100 mm
flue kit
5 mm
1080 mm
Using 125 mm
flue kit
1100 mm
25 mm*
600 mm**
Fig. 18 Ventilated compartment
*
Minimum clearance to removable door
**
Minimum clearance required for servicing
Tab. 13 Minimum clearances
6 720 644 743a (2010/10)
Direct to
outside
Minimum free
2
2
area 61 cm
Minimum free
2
2
area 61 cm
410 mm
+ 30 mm
above elbow
5 mm
200 mm
3.6.3
COMPARTMENTS
Follow the requirements of BS6798 and BS5440 Part 2
and note:
• Minimum clearances must be maintained.
• An access door is required to install, service and
maintain the boiler and any ancillary equipment.
• If fitting the boiler into an airing cupboard use a non-
combustible material to separate the boiler from the
airing space.
The material can be perforated up to a maximum hole
size of 13mm.
3.6.4
BATHROOMS
A boiler fitted with a non-mechanical timer or with no
timer can be installed in zone 2 or outside the shaded
area .
A boiler with a mechanical timer or RF mechanical timer
with room thermostat must only be installed outside the
shaded area.
Additional RCD (Residual Current Device) protection
may be required.
Refer to the latest IEE wiring regulations.
2
1
2250 mm
600mm radius
2
1
2250mm
600mm radius
Fig. 19 Bathroom installations
PRE-INSTALLATION
6 0 0 m m
750 mm
1
2
2250 mm
6 0 0 m m
750 mm
1
2
2250 mm
6720643895-10.1Wo
19
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