76
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.dimensions.are.shown.in.fig..10.
An. adequate. protection. panel. is.
mounted.on.the.inside.wall.of.the.rear.
head.of.all.the.models.
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.
function.is.activated.for.a.maximum.of.10.
minutes..After.the.restart,.the.LED.indi-
cation.shows.the.previously.set.values..
If.the.fault.persists,.replace.the.pump..
3 CHARACTERISTICS
L
270
280
Fig..10
0
200
1600
1400
1200
1000
800
600
400
PORTATA.(l/h)
PREV
ALENZA.RESIDUA.mbar.(kPa)
500.(49,0)
400.(39,2)
100.(9,8)
200.(19,6)
300.(29,4)
AQUA
1800
600.(58,8)
601.(58,89)
594.(58,21)
535.(52,43)
492.(48,21)
455.(44,59)
400.(39,20)
321.(31,45)
239.(23,42)
FLOW.RATE.(l/h)
RESIDUAL
.HEAD
.(mbar)
L Volume
.
mm. dm
3
SOLO 25 ErP LN
305. 17,5
SOLO 35 ErP LN
405. 24,0
DUETTO 25 ErP LN
305. 17,5
DUETTO 35 ErP LN
405. 24,0
Fig..11
1
2
3
4
Fig..11/a