Should the appliance "lock out"
again, please approach the author-
ised technical staff.
BURNER RESTART
In. case. that. ignition. or. operation.
faults.occur,.the.main.burner."locks.
out". and. the. red. lamp. lights. up.
on. the. control. panel.. Press. the.
"RESET". button. to. restart. the. igni-
tion.conditions.until.the.flame.lights.
up. (fig.. 23).. This. operation. can. be.
repeated.2-3.times.at.maximum.and.
in.case.of.failure.contact.the.author-
ised.technical.staff.
ATTENTION: Make sure that there
is fuel in the tank and that the taps
are open. After each fill up of the
tank it is advisable to interrupt the
operation of the burner for about
one hour.
TURNING OFF BOILER
It. is. sufficient. to. press. the. main.
switch.to.turn.off.the.boiler.(fig..19).
Close.both.the.gas-feed.pipe.tap.and.
the. water. tap. if. the. boiler. remains.
inoperative.for.a.long.period.
SYSTEM FILLING
Check.periodically.that.the.hydrom-
eter. has. pressure. values. at. a.
switched-off.system.of.1.-.1.2.bar..
If.the.orange.water.pressure.gauge.
light.turns.on.inhibiting.boiler.opera-
tions,. restore. operations. by. turning.
the. supply. tap. counter-clockwise..
After. the. operation. check. that. the.
tap.is.properly.closed.(fig..24).
Should. the. pressure. exceed. the.
foreseen.limit,.discharge.the.super-
fluous. amount. by. operating. on. the.
vent.knob.of.any.radiator..
CLEANING AND MAINTENANCE
At.the.end.of.each.heating.season,.it.
is. essential. to. have. the. boiler. thor-
oughly.checked.and.cleaned.out.
Preventive maintenance and check-
ing of the efficient operation of the
equipment and safety devices must
be carried out exclusively by the
authorised technical staff.
82
60°C
RED.WARNING.LIGHT.ON
ORANGE.LIGHT.ON
60
40
80
ϒ C
20
100
0
120
Fig..22
RESET
BUTTON
RESET
TWICE
ONLY
Fig..23
OPEN
2
bar
1
3
0
4
Fig..24
2
bar
1
3
0
4
60
40
80
ϒ C
20
100
0
120