8 716 109 711 b 07.10
14/7/10
2
2250m m
2250m
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR UTILITY 32/50 & 50/708 716
109 711B 07.2010
09:59
Page 15
6 0 0 m m
1
1
2
0
6 0 0 m m
1
2
1
2
m
0
600mm radius
BOILER LOCATION &
CLEARANCES
COMPARTMENTS:
Follow the requirements of BS 5410 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 (if perforated,
maximum hole sizes of 13mm) to separate
the boiler from the airing space.
Venting compartments:
There must be sufficient clearance around the
appliance to allow proper circulation of
ventilation air. The clearances required for
installation and servicing will normally be
adequate for ventilation.
•
Ventilation must be provided for boilers
fitted into compartments as described in
BS 5410.
•
Combustion air must not be taken from a
room or internal space containing a bath or
shower and must not communicate with a
protected area such as a hall, stairway,
landing, corridor, lobby, shaft etc.
•
Air vents must allow access for clean free
air and must be sited to comply with the flue
terminal position requirements.
7 50m m
•
Air ducting runs must not exceed 3m.
•
Low level air vents must be less than
450mm from the floor.
•
A warning label must be added to the vents
with a statement to the effect: ''Do not block
2250m m
this vent. Do not use for storage."
SHOWER / BATHROOMS:
The boiler must not be installed in zones 0, 1
or 2 (the shaded areas shown on the diagrams oppo-
site).
IMPORTANT: conventional flued boilers
must not be fitted in a bathroom.
I M PORTANT: any appliance control using
mains electricity must not be able to be
touched by a person using the bath or shower.
Electrical switches, fused spur and socket
outlets must not be fitted in the bathroom.
In all cases the IEE wiring regulations must be
7 50m m
consulted.
All pipework in bathrooms and shower rooms
must be cross bonded.
2250m m
BOILER LOCATION & CLEARANCES
15