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.dimensions.are.shown.in.fig..10.
An. adequate. protection. panel. is.
mounted.on.the.inside.wall.of.the.rear.
head.of.all.the.models.
.
SOLO 25 ErP LN
SOLO 35 ErP LN
DUETTO 25 ErP LN
DUETTO 35 ErP LN
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.
76
L Volume
3
mm. dm
305.
17,5
405.
24,0
305.
17,5
405.
24,0
600.(58,8)
500.(49,0)
400.(39,2)
300.(29,4)
200.(19,6)
100.(9,8)
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.
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
PORTATA.(l/h)
FLOW.RATE.(l/h)
1
2
3
4
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..
Fig..10
1800
Fig..11
Fig..11/a