6
1.6.2
Temperature/pressure gauge
The gauge (A fig. 1) on the facia panel indicates the approxi-
mate system pressure. The normal operating pressure is
between 1 and 1.5 bar. If the normal running pressure is
seen to decrease over a period of time there is a water leak
and you should consult your installer or service engineer.
1.6.3
Electrical supply
The mains plug used must be a 3 pin type to BS1363, and
fused at 3 A. THIS APPLIANCE MUST BE EARTHED.
NOTE:
an interruption in the electricity supply whilst the burner
is alight may cause the overheat thermostat to operate. If
this is suspected, turn the rotary switch to “
“ position,
then turn it back to the previous position.
TO CONNECT A PLUG
As the colour of wires in the mains lead of this appliance may
not correspond with the coloured markings identifying the
terminals in your plug, proceed as follows:
the wire which is coloured green and yellow must be con-
nected to the terminal in the plug which is marked with the
letter E or by the earth symbol - or coloured green and yel-
low; the wire which is coloured blue must be connected to
the terminal marked with the letter N or coloured black; the
wire which is coloured brown must be connected to the ter-
minal marked with the letter L or coloured red.
1.6.4
Ventilation
If the appliance is installed in a cabinet, the latter MUST NOT
be used for storage purposes. Any ventilation provided for
the appliance during installation MUST NOT be blocked and a
periodic check must be made to ensure that the vents are
free from obstructions.
1.6.5
Cleaning
Use only a damp cloth and mild detergent to clean the appli-
ance outer casing. DO NOT use abrasive cleaners.
1.7
SAFETY
It is essential that the instructions in this booklet are strict-
ly followed for the safe and economical operation of this
appliance. The appliance functions as a fan assisted bal-
anced flue unit.
The flue terminal MUST NOT BE OBSTRUCTED under any cir-
cumstances. If damaged, turn off the appliance and consult
the installer, service engineer, or gas supplier. If it is known or
suspected that a fault exists on the appliance it MUST NOT
be used until the fault has been rectified by a competent per-
son.
WARNING: IF A GAS LEAK IS SUSPECTED OR EXISTS,
TURN OFF THE GAS SUPPLY TO THE APPLIANCE AT THE
GAS SERVICE COCK. DO NOT OPERATE ANY ELECTRICAL
SWITCHES. DO NOT OPERATE ANY ELECTRICAL APPLI-
ANCE. OPEN ALL WINDOWS AND DOORS. DO NOT
SMOKE. EXTINGUISH ALL NAKED LIGHTS. CONTACT THE
GAS SUPPLIER IMMEDIATELY.
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