User manual

19
INSTALLATION
CAUTION
The hose must not be subject to any kind of torsional
stress or tractive force, there must be no pinched parts
or really sharp bends.
CAUTION
It must not touch anything that can cut, that has sharp
corners, etc.
CAUTION
The whole length of the hose must be easy to inspect
in order to keep a check on its condition.
CAUTION
It must be replaced within the date printed on it.
Adjustments
• All seal must be replaced by the technician
following any adjustment or regulation.
• The adjustment of the reduce rate (simmer) must
be undertaken only with burners functioning on
natural gas while in the case of burners functioning
on L.P.G, the screw must be locked down fully (in
clockwise direction).
• “Primary air adjustment” on hob gas burners is
unnecessary.
Taps (fi g. 21)
All gas taps are male cone type with only one way of
passage. The adjustment screw (V) is on the side of the
stem.
Adjustment of the “Reduced rate” position as follows:
• Turn the burner on and place the knob on the
“Reduced rate” position (small fl ame).
• Remove the knob of the tap which is attached by
simply applying pressure to the rod.
• Insert a small screwdriver (C) into screw (V ) and
turn to the right or left the throttling cone until the
fl ame of the burner is conveniently regulated to the
Low position, the adjustment screw (V) is over (fi g.
21) or on the side of the stem .
• Check that the fl ame does not go out when the
knob is sharply switched from the “Full on” to
“Reduced rate” positions.
CAUTION
This operation can be carried out also with the front
panel fi tted, but if the technician fi nds some diffi culties
to reach the adjustment screw, remove the front panel
unscrewing the fi xing screws, which are positioned in
the inferior part of the same.
C
V
Fig. 21
Oven thermostat (fi g. 22)
Reduced rate adjustment should be carried out in the
following way:
• Remove the knob thermostat.
• Switch on the oven burner by turning the relative
knob to the Maximum position, then wait about 10
minutes.
• Slowly turn the knob back to the Minimum position
and, using a small screwdriver (C), turn screw (V)
to the right to lower the fl ame or to the left to
increase it.
The fl ames must be short for an effi cient Reduced rate
setting. They must be stable to prevent them from
accidentally going out and must be able to stand up to
normal oven door manoeuvres.
C
V
Fig. 22