Instruction manual

87
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reference notch showing “GPL” corresponding te the
secuting screw (3).
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in accordance with the above table and to rotate
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natural gas, will have to be set with the reference
notch showing “N” corresponding to the securing
screw (3).
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the securing screw (3) and to tighten it again after
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Connections to mains gas, from the gas tap available
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be carried out in accordance with the regulations in
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copper.
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nical nozzle and securing nut supplied.
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outlet and secured with the metal strip supplied.
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nected up, again using the special biconical nozzle
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Once the machine has been connected up to the
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accordance with the instructions in the booklet (“IN-
STRUCTIONS FOR USE AND MAINTENANCE”),
the burner can be lit in the following manner:
L Open the main gas tap.
L Press on the gas valve knob, on the machine rotate
it 90° anti-clockwise, and keep it pressed in. At
the same time, press the piezoelectric lighter one
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resembling a spark – until the burner lights up.
L Wair about 20 seconds, then release the valve
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vidible through the special hole in the panel behind
the dispenser units.
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Should the burner not light up, do not persist, but
release the valve knob, and then check that lighter
spark on the burner is in order and about 5 mm
ORQJ
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leased, check the position of thermocouple and the
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is achieved.
Wait until the machine has the correct pressure,
according to instructions. Otherwise, adjust the gas
pressure regulator, which has two regulating screws.
The one that protrudes more (4) serves to regulate
the boiler’s operating pressure, while the other (5)
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When the machine is pressurized, check to see
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nut, unscrew the screw until it feels loose (the main
gas-pipe is closed), and check whether, under these
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a pilot.
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lock it with the locking-nut.
Then rotate the screw (4) clockwise until there is a
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down before reaching the required pressure, tighten
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pressure, then unscrew the screw.
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release the pressure in the boiler, then hold screw
(4) still and lock it with the locking-nut.
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+($7(59(56,21(Fig.14)
N.B. Installation of the machine and any
adjustment or adaptation to the type of gas
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liquid gas (GPL).
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propriate injector shown in the table below:
Model
Nominal
thermic
FDSDFLW\
GPL
G30 - 29 mbar
(cent of milimeter)
Natural gas
G20 - 20 mbar
(cent of milimeter)
2 Gr.
2,5 KW
(2150 Kcal/h.)
75 102
3-4 Gr
3,3 KW
(2850 Kcal/h.)
90 135