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In cases of repeated or continuous shutdown a qualified and competent Gas Installer, should be
called to investigate and rectify the condition causing this and carry out an operational test. Only the
manufacturer’s parts are to be used for replacement
Minimum Clearances around the Boiler
Clearances of 165mm above, 100mm below, 2.5mm at the sides and 450mm at the front of the boiler
casing must be allowed for servicing.
The clearance below the boiler can be reduced to 5mm after installation provided an easily removable
panel is fitted, to enable the consumer to view the system pressure gauge, and to provide the 100mm
clearance required for servicing.
Boiler Operation
To light the boiler
Refer to Boiler Controls Diagram
CHECK THAT THE ELECTRICITY SUPPLY TO BOILER IS OFF.
Set the mode control knob (A) to ‘off.
Set the Domestic Hot Water temperature control (B) and Central Heating control knob (C) to ‘max’.
Ensure that all hot water taps are turned off.
Switch ON electricity to the boiler and check that all controls, e.g. boiler mechanical timer “G” and
optional room thermostat, are ON (refer to mechanical 24 hour timer instructions).
Set the mode knob control (A) to winter ( ).
If there is central heating demand or if a hot tap is opened the boiler will ignite showing burner status (E).
Note. In normal operation the “boiler status display” (D) in the Boiler Controls diagram) will show one of
the following codes:
DISPLAY CODE ON BOILER
DESCRIPTION
status
Burner Off
0
status
Burner Off
C
status
Burner Off
d
status
Burner On
C
status
Burner On
d
status
Burner On
P
status
Burner On
F
3


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