tection.circuit;.the.boiler.will.stop.and.the.
display.will.show.anomaly.“ALL.08”.
–. WATER CIRCULATION
ANOMALY ALARM 09 (fig. 23/h)
.
There.is.no.water.circulation.in.the.pri-
mary. circuit.. If. the. contacts. of. the. flow.
gauge.close,.the.state.of.anomaly.is.im-
mediately.quitted.
.
If.the.anomalous.sta-
te. persists. for. one. minute,. the. boiler. is.
enforcedly.stopped.for.six.minutes..After.
this.time.of.enforced.inactivity,.the.boiler.
will.re-attempt.ignition..
. If.the.anomaly.re-appears,.the.boiler.will.
switch.off.and.the.display.will.show.ano-
maly.“ALL.09”.
–. D.H.W. SENSOR
ANOMALY ALARM 10 (fig. 23/i)
.
When.the.sensor.of.the.D.H.W.sensor.is.
open. or. short. circuited,. the. display. will.
show. anomaly. “ALL. 10”.. The. boiler. will.
function.but.will.not.modulate.power.for.
the.D.H.W.
–. ACTIVATION OF THE “ALL 13”
EXHAUST FUMES PROBE (fig. 23/l)
.
The. activation. of. this. probe. causes. the.
boiler. to. stop. and. error. message. “ALL.
13”.to.display..
. Press.the.key
.
5
3
1
2
4
.
of.the.controls.(2).to.
start.up.the.boiler.again.
–. “ALL 14” EXHAUST FUMES
PROBE ERROR (fig. 23/m)
. If. the. exhaust. fumes. probes. is. open. or.
short-circuited,.the.boiler.stops.and.er-
ror.message.“ALL.14”.displays.
–. “ALL 15” FAN ERROR (fig. 23/n)
. The.fan.speed.does.not.fall.within.the.ra-
ted. speed. range.. If. the. error. conditions.
persists.for.two.minutes,.the.boiler.acti-
vates.a.forced.stop.for.thirty.minutes..A.
new. start. attempt. is. repeated. after. the.
expiry.of.this.interval.of.time.
–. SAFETY THERMOSTAT INTERVENTION
FIRST MIXED ZONE “ALL 20”
(fig. 23/p)
. When.it.results.that.the.ZONA.MIX.board.
is.connected.to.the.boiler.the.safety.ther-
mostat. intervention. switches. the. mixed.
zone.plant.pump,.the.mix.zone.valve.clo-
ses.and.on.the.display.the.anomaly.ALL.
20..During.this.anomaly.the.boiler.conti-
nues.to.function.normally..
–. DELIVERY PROBE BREAKDOWN ANO-
MALY FIRST MIXED ZONE “ALL 21”
. (fig. 23/q)
. When.it.results.that.the.ZONA.MIX.board.
is. connected. to. the. boiler. and. the. deli-
very.probe.is.open.or.short.circuited.on.
the.display.the.anomaly.ALL.21.appears..
During.this.anomaly,.the.boiler.continues.
to.function.normally..
–. SAFETY THERMOSTAT INTERVENTION
SECOND MIXED ZONE “ALL 22”
(fig. 23/r)
. When.it.results.that.the.ZONA.MIX.board.
is.connected.to.the.boiler.
. The.intervention.of.the.safety.thermostat.
switches.the.mixed.zone.plant.pump,.the.
mix.zone.valve.closes.and.on.the.display.
the.anomaly.ALL.22..During.this.anomaly.
the.boiler.continues.to.function.normally..
–. DELIVERY PROBE BREAKDOWN ANO-
MALY SECOND MIXED ZONE “ALL 23”
(fig. 23/s)
. When.it.results.that.the.ZONA.MIX.board.
is. connected. to. the. boiler. and. the. deli-
very.probe.is.open.or.short.circuited.on.
the.display.the.anomaly.ALL.23.appears..
100
Fig..23/i
Apre
2
2
2
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
Fig..23/g
Apre
2
2
2
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
Fig..23/h
Apre
2
2
2
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
Fig..23/l
Apre
2
2
2
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
Fig..23/m
Apre
2
2
2
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
Fig..23/n
Apre
2
2
2
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
Fig..23/p
Apre
2
2
2
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
Fig..23/q
Apre
2
2
2
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
Fig..23/r
Apre
2
2
2
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
Содержание MURELLE HE 25-30 ErP
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