During maintenance operations, it is
important to verify that the drip-plate with
drain trap contains water (this check is
particularly important if the generator
has not been used for extended periods
of time).
If necessary, the drip plate can be filled
using the tap provided (fig. 20).
5
4.5.1
Chimney sweep function (fig. 21)
To. check. boiler. combustion,. press. the.
3
installer's.
key.
for. a. few.
.
chimney.sweep.function.will.switch.on.and.
1
will.continue.for.15.minutes.
From.that.moment,.the.boiler.will.start.wor-
king. in. heating. mode. at. maximum. power,.
with.cut.off.at.80°C.and.re-ignition.at.70°C.
2
(ATTENTION! Temperature may reach
excessive values when using unprotected
4
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.
5
will. function. at. maximum. power. with. the.
5
D.H.W.. circuit. kept. at. between. 60°C. and.
50°C..During.the.test,.the.hot.water.faucets.
must.remain.open.
3
3
If. the.
key.
. and.
.
are. pressed. during.
the. 15. minutes. of. the. chimney. sweep. fun-
1
1
ction,.the.boiler.will.be.brought.respectively.
to.maximum.and.minimum.power.
5
The chimney sweep function will automa-
2
2
tically switch off after 15 minutes or when
3
is pressed again.
the key
.
.
4
4
1
4.5.2
Operation floor drying
(fig. 22)
2
The.operation.floor.drying.keeps.the.floor.at.
a. pre-established. temperature. profile. and.
it.is.activated only for those systems com-
4
bined with the mixed zone card ZONA MIX
code 8092234.. The. temperature. profiles.
can. be. selected. by. means. of. the. installer.
58
Fig..20
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.
seconds..
The.
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)..
[TVw]
55
50
45
40
35
30
25
20
0
X
TVw. Flow.temperature.setpoint
Tag.
x.
A.
B.
1
5
7
1
5
A
1
A + B
Period.in.days
Start.day
Functional.heating
Floor.curing.heating
Fig..21
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)..
diagram.fig..22.reports.the.development.of.
the.curve.
ATTENTION:
- Observe the relevant standards and
regulations of the floor manufacturer!
- Proper functioning is ensured only
when the plant is correctly installed
(hydraulic system, electrical installa-
tion, settings)! If not observed, the floor
might get damaged!
10
15
18
B
25
Fig..22
2
The.
[Tag
]