PRE-
INSTALLATION
INSTALLATION & SERVICING INSTRUCTIONS
8 716 115 216b (09.2008)
11
BOILER LOCATION & CLEARANCES
• This boiler is only suitable for installing
internally within a property at a suitable
location onto a fixed rigid non-combustible
surface at least the same size as the boiler
and capable of supporting the boiler
weight.
• The boiler is not suitable for external
installation unless a suitable enclosure is
provided.
COMMERCIAL INSTALLATION:
• If installing more than one appliance in a
modular or cascade arrangement in a
commercial premises, that total more than
70kW, then additional ventilation is needed
to comply with the Dangerous Substances
and Explosive Atmospheres Regulations
(DSEAR).
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 perforated material
(maximum hole sizes of 13mm) to separate
the boiler from the airing space.
1: INSTALLATION CLEARANCES:
Diagram 1 shows the minimum space required
to install the boiler only.
2: SERVICE / VENTED CUPBOARD
CLEARANCES:
Diagram 2 opposite shows the minimum space
required to service the boiler only.
25mm to a removable door
3: UNVENTED COMPARTMENT
CLEARANCES:
Diagram 3 shows the minimum space required
to install and service the boiler inside an
unvented compartment.
*
Space required for unvented areas with a
removable door or panel.
**
This space can be reduced to 50mm for one
side only as long as both the side clearances
add up to the total of both the side
measurements shown or more.
BOILER LOCATION &
CLEARANCES
600mm
800mm
600mm
900mm
50mm
100mm**
100mm**
200mm*
600mm
5mm
5mm
410mm
1200mm
600mm
15mm
5mm
5mm
410mm
1200mm
1: INSTALLATION CLEARANCES
2: SERVICE / VENTED
CUPBOARD CLEARANCES
3: UNVENTED
COMPARTMENT CLEARANCES
1450mm
865mm
25mm
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