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3
CHARACTERISTICS
3.1
COMBUSTION CHAMBER
DIMENSIONS (fig. 10)
The. combustion. chamber. is. a. direct.
passage.type.and.is.conform.to.the.EN.
303-3. standard. annex. E.. The. dimen-
sions. are. shown. in. fig.. 10.. An. ade-
quate.protection.panel.is.mounted.on.
the.inside.wall.of.the.rear.head.of.all.
the.models.
L
.
mm.
25 ErP BE
405.
35 ErP BE
505.
3.2
SYSTEM AVAILABLE HEAD
(fig. 11)
The. head. available. for. the. heating.
plant.is.shown.as.a.function.of.the.flow.
in.graph.in.fig..11.
3.3
HIGH EFFICIENCY PUMP
(fig. 11/a)
Press.the.button.(4).briefly.(about.1.sec-
ond).to.select.the.pump.operating.mode..
The.relative.LEDs.will.indicate.each.time.
the.adjustment.mode.(2).and.the.charac-
teristic.curves.set.(3)...
Point. 3.3.4. reports. the. possible. combi-
nations.and.their.meaning..
When. the. LED. (1). signals. a. fault,. the.
pump.stops.and.attempts.to.run.restart.
cycles..If.the.fault.is.solved,.the.pump.re-
starts.automatically.
3.3.1
Venting the pump
The. pump. venting. function. is. activated.
by.pressing.the.button.(4).for.a.long.time.
(3.seconds).and.vents.automatically.
3.3.2
Factory settings
The.factory.setting.is.activated.by.press-
ing.and.holding.the.button.(4).and.disa-
bling. the. pump.. When. the. pump. is. re-
started,.it.will.work.with.factory.settings.
(delivery.state).
3.3.3
Manual restart
When. a. lockout. is. detected,. the. pump.
tries. to. start. automatically.. If. the. pump.
does. not. restart,. restart. manually. by.
pressing. the. button. (4). for. a. long. time.
(5.seconds),.then.release.it..The.restart.
80
Volume
3
dm
24,0
30,5
600.(58,8)
500.(49,0)
400.(39,2)
300.(29,4)
200.(19,6)
100.(9,8)
function.is.activated.for.a.maximum.of.10.
minutes..After.the.restart,.the.LED.indi-
270
594.(58,21)
601.(58,89)
535.(52,43)
0
200
400
600
L
492.(48,21)
455.(44,59)
400.(39,20)
321.(31,45)
239.(23,42)
800
1000
1200
1400
1600
FLOW.RATE.(l/h)
PORTATA.(l/h)
1
2
3
4
cation.shows.the.previously.set.values..
If.the.fault.persists,.replace.the.pump..
Fig..10
1800
Fig..11
Fig..11/a
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