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2.1.3 Gas connection
The gas supply to this appliance must
be installed in accordance with BS 6891
(1988) and British Gas Publications UP1
and UP2.
Fit the 1/2” gas supply cock supplied
with this unit immediately before the
gas control. No heat or soldered joints
should be applied in the vicinity of the
gas control, as they could cause damage
to the control. All connections and joints
should be tested for gas soundness with
a suitable leak detector (do not use a
naked ame).
N.B. When operating this unit on LPG a
suitable gas supply cock should be used.
2.1.4 Flue system
The water heater should be tted with
a ue system connected to the draught
diverter. The ue pipe should rise for
at least 50 cm. vertically before the
inclusion of any bends. If a horizontal
run of ue is required this should be
kept to the minimum lenght possible and
incorporate a rise of 6 cm. per metre
of run. A split clip or ange should be
provided in the ue close to the draught
diverter for ease of servicing.
All ue materials should be corrosion
resident i.e. stainless steel or galvanised
and must include a tested and apprved
terminal to BS 5440 part 1.
If the ue passes through any
combustible marerial measures must be
taken to protect against the possibility
of re.
All ues must terminate in free air space
approx. 1,5 metres from any vertical
surface of structure i.e. chimney stacks,
roof parapets, etc. If an existing chimney
or ue is to be used this should be swept
clean and be free of debris before an
approved liner is installed and connected
to the water heater.
2.1.5 Draught diverter
The appliance has been tted with a
ue down draught safety device. The
operation of the safeguard is based
on the principle of the Thermal Reux
Safeguard (TRS).
This TRS can be recognized by the copper
coloured spiral that is tted to the lower
edge of the draught diverter. The spiral is
connected to a thermostat by means of a
capillary tube. The wiring of the thermostat
must be connected to the thermocouple
circuit.
Important
The TRS should never be put out of
operation. The reentry of ue gasses
may cause poisoning.
2.1.6 Electrical connection
All electrical connections must be carried
out in accordance with IEE regulations
by an accredited electrical installation
company. The appliance must be
connected to the mains by means of
a permanent electrical connection. A
main switch must be tted in the phase
between the permanent connection and
the water heater. The feeder cable must
have cores of at least 3 * 1.0 mm
2
The
connecting clamps for the electricity supply
are indicated by the symbol for earth Á,
N for neutral and L for live. Always check
with a voltage tester if the live and the
neutral have been connected correctly in
the electricity supply. The electricity supply
must comply with the requirements below:
Electrical Frequency Electrically
supply fused to a
minimum of
220/240 V AC 50 Hz 5A
The maximum power consumption is
25 W
See electrical diagram for more
information, appendix 1.
16


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