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WD420/3/2007
Chapter 3 - Boiler Location
3. BOILER LOCATION
3.1
DIMENSIONS AND MINIMUM
CLEARANCES
The boiler must be installed in minimum
clearances
shown
servicing, and safe operation. However, larger
clearances may be required during installation.
3.2
SERVICE CONNECTIONS
Gas, water, air and flue pipe, condensation,
and electrical connections are as shown in the
diagram below. Gas : 15mm compression.
Flow/Return 0.75 inch BSP male, Gas 0.5 inch
BSP male, PRV 15mm copper pipe and
Condensate 21.3mm plastic pipe .
An optional stand-off frame (part number
Q.28S.0.01.00.0) is also available which
mounts behind the boiler to leave a 50mm
deep space behind the boiler. This is to
permit pipe routing behind the boiler if
required.
See
Accessories.
3.3
POSITION
The Qudos 28s and Qudos 28sP are not
suitable for external installation. The boiler
may be installed in any room or internal
space, although particular attention is drawn
to the requirements of the current IEE Wiring
Regulations and, in Scotland, the electrical
provisions
of
applicable in Scotland, with respect to the
installation of the boiler in a room or internal
space containing a bath or shower.
Where a room-sealed appliance is installed
in a room containing a bath or shower, any
electrical switch or appliance control, utilising
mains electricity, should be so situated that it
cannot be touched by a person using the
bath or shower. The Qudos 28S and Qudos 28SP are classified as IP20 (IPX0) and are
therefore suitable for installation in Zone 3 areas, unless subject to hose down.
Installation & Servicing Instructions
to
allow
subsequent
Section
2.5
-
Optional
the
Building
Regulations
The Keston Qudos 28s & Qudos 28sP Boilers
All dimensions in mm.
5
300 When servicing appliance
10 When appliance is operating
Figure 3.1.2
Dimensions
Flue Exhaust
Air Intake
150
Figure 3.1.1
200
Minimum Clearances
All dimensions in mm.
435
Page : 11
5
mm
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