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4.0 Clearances and Check List
9
4.1 Clearances around the Boiler
(Figs. 23 & 24)
1. The minimum clear spaces needed around
the boiler measured from the casing are as
follows:
Top - 200mm
Bottom - 200mm
Both sides - 5mm
Front - 5mm (In Operation)
- 450mm (For Servicing)
2. These areas must not be obstructed in any
way. Blocking the clearance spaces may
result in the boiler overheating and damage
may occur.
3. The gas burning compartment of your boiler is
completely sealed from the room in which it is
fitted. Products from the combustion of gas are
vented to the outside through the flue terminal
which must be kept free from obstruction as this
would interfere with the correct operation of the
boiler.
4. The boiler may be installed in a cupboard if
these minimum clearances are kept. The
compartment should be large enough to house
the boiler and ancillary equipment only.
5. IT SHOULD NOT BE USED AS A STORAGE
CUPBOARD.
4.2 Check List
1. If a fault develops, or is suspected, call your
Service Engineer as soon as possible.
2. Go through the following check list before you
make contact.
a) Is the electricity supply on ?
b) Is the selector switch on (giving a green
“Power ON” neon) and set for both Central
Heating and Domestic Hot Water ?
c) Is the red “Flame Failure” neon lit ?
Turn the On/Off/Reset selector fully anti-
clockwise.
d) Is the gas supply on ?
e) Is the mains water supply turned on ?
f) Is the system pressure correct ?
g) Are the boiler temperature controls set high
enough ?
h) Is the time clock (if fitted) calling for central
heating ?
i) Is the room thermostat (if fitted) set high
enough ?
j) Are the radiator valves open ?
200mm Min
780mm
450mm
200mm Min
5mm Min
5mm Min
5mm
450mm Min
For Servicing
Purposes
Fig. 23
Fig. 24
In Operation