working. in. heating. mode. at. maximum.
power,.with.cut.off.at.80°C.and.re-ignition.
at. 70°C. (ATTENTION! Temperature may
reach excessive values when using unpro-
tected low temperature plants. Before
activating the chimney sweep function
make sure that the radiator valves or
eventual zone valves are open).
The. test. can. also. be. carried. out. with. the.
boiler.working.in.D.H.W..mode..
For.this,.after.activating.the.chimney.sweep.
function,.open.one.or.more.hot.water.fau-
cets.. Under. these. conditions,. the. boiler.
will. function. at. maximum. power. with. the.
D.H.W.. circuit. kept. at. between. 60°C. and.
50°C..During.the.test,.the.hot.water.faucets.
must.remain.open.
If. the. key
.
5
3
1
2
4
.
and
.
5
3
1
2
4
.
are. pressed. during.
the.15.minutes.of.the.chimney.sweep.fun-
ction,. the. boiler. will. be. brought. respecti-
vely.to.maximum.and.minimum.power.
The chimney sweep function will automa-
tically switch off after 15 minutes or when
the key
.
5
3
1
2
4
.
is pressed again.
4.5.2 Cleaning the filter “Aqua Guard
Filter System” (fig. 22)
To.clean.the.filter,.close.the.delivery/return.
on/off.taps,.turn.off.the.power.to.the.con-
trol. panel,. remove. the. casing. and. empty.
the.boiler.using.the.drain.provided..
Place.a.container.for.collection.underneath.
the.filter,.unscrew.the.cap.and.proceed.to.
clean. the. filter,. removing. impurities. and.
limestone.deposits..
Check.the.seal.o-ring.before.reassembling.
the.cap.with.the.filter.
4.5.3 Operation floor drying
(fig. 22/a)
The.operation.floor.drying.keeps.the.floor.
at. a. pre-established. temperature. profile.
and. it. is. activated. only. for. those. systems.
combined. with. the. mixed. zone. card.
ZONA.MIX.code.8092234..The.temperature.
profiles. can. be. selected. by. means. of. the.
installer.parameter.PAR.43:.
0.=.Not.activated.function
1.=.Curve.setting.A
2.=.Curve.setting.B
3.=.Curve.setting.A.+.B
The. turning. off. of. . the. function. happens.
clicking.on.the.button.OFF.(return.of.PAR.
43. to. the. value. 0). or. automatically. at. the.
end.of.the.function..
The.set.of.the.mixed.zone.follows.the.deve-
lopment.of.the.selected.curve.and.reaches.
a. maximum. of. 55°C.. During. the. function.
all.the.other.heating.demands.are.ignored.
(heating,. sanitary,. antifreeze. and. chimney.
sweep)..
During. the. functioning. the. display. shows.
the. remaining. days. for. the. completion. of.
the.function
.
(example.mains.digits.-15.=.15.
days. lack. to. the. end. of. the. function).
.
The.
diagram.fig..22/a.reports.the.development.
Fig..22
Apre
2
2
2
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
Fig..21
103
ES
PT
ENG
Содержание MURELLE EV HE 12 T
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