Sime MURELLE 70 BOX ErP Manual De Instrucciones página 58

4 USE AND MAINTENANCE
4.1 GAS VALVE (fig. 16)
The. boiler. is. supplied. as. standard. with. a.
gas.valve,.model.SIT.822.NOVAMIX.(fig..16).
4
3
2
1
KEY
1. Upstream.pressure.intake
2. Intermediate.pressure.intake
3. Air.signal.inlet.(VENT)
4. Downstream.pressure.intake
5. Shutter
6. OFF-SET
4.2 GAS CONVERSION (fig. 17)
This operation must be performed by
authorised personnel using original Sime
components.
To.convert.from.natural.gas.to.LPG.or.vice.
versa,.perform.the.following.operations
–.Close.the.gas.cock.
–.Replace.the.two.differential.nozzles.(1-2).
and. relative. seal. o-rings. (3). with. those.
supplied. in. the. transformation. kit.. The.
difference.in.the.shape.of.the.head.of.the.
nozzles,.avoid.reversal.during.assembly.
–.Apply. the. nameplate. with. the. new. gas.
flow.layout.
–.Calibrate. the. maximum. and. minimum.
pressures. of. the. gas. valve. following. the.
instructions.provided.in.paragraph.4.2.2.
5
5
4.2.1 New fuel configuration
For. access. to. the. installer's. parameters,. 5 5
press.simultaneously.keys.
5.seconds.(3.fig..12)..
1
The. parameters. will. scroll. up. and. down.
3
3
with.the.keys .and. ..
The.display.pane.will.show.the.values.of.the.
1
1
parameter.PAR.1..If.the.boiler.is.a.methane.
2
2
(G20).model,.SET.50.will.be.displayed:
2
2
4 4
To. change. the. fuel. to. propane. (G31),. it. is.
58
ATTENTION: Before performing any work on the boiler, make
sure that the same and its components have cooled in order to
prevent the risk of burns due to high temperatures.
4
5
6
Fig..16
5
necessary. to. set. SET. 55,. by. pressing. the.
3
key. .
1
2
The. standard. display. will. automatically.
4
return.after.10.seconds..
The.table.below.shows.the.SET.settings.to.
enter.when.the.type.of.gas.fuel.is.changed.
GAS
. .
. .
. METHANE.
. (G.20).
. .
. .
. .
. .
.
3
3 . .PROPANE.
. .
.and for.
. (G.31).
1
4.2.2 Calibrating the gas valve
pressures
4
4
Measure.the.CO
analyzer.
5
Sequence of operations:
1). Press. and. hold. the. button. down. for. a.
few.seconds.
1
B
3
1
2
MODEL PAR 1
70.BOX.ErP. 50
105.BOX.ErP.
.
70.BOX.ErP. 55
105.BOX.ErP
.values.with.a.combustion.
2
3
.
5
6
3
5
2). Press.the.button.for.a.few.seconds
1
3). Identify.the.CO .values.at.max..power.by.
2
adjusting.the.shutter.(5.fig..16):
MAX power 5
2
CO (Methane) CO (Propane)
2 2
. 9,3.±0,2. 10,2.±0,3
4). Press.the.button.for.a.few.seconds.
1
5). Identify.the.CO .values.at.min..power.by.
2
adjusting.the.OFF-SET.regulation.screw.
(6.fig..16):
2
MIN power
CO (Methane) CO (Propane)
5 5
2 2
. 8,4.±0,2. 10,0.±0,3
6). Press. the. buttons. several. times. to.
5
3
.
check.the.pressures. and.
ge.them.if.required.
1
1
3
. once.more.to.quit.
7). Press.the.button.
the.function.
1
2 2
4.5 MAINTENANCE (fig. 20)
4
2
To. guarantee. functioning. and. efficiency. of.
the. appliance,. in. respect. of. the. legal. pro-
4
visions. in. force,. it. must. be. regularly. che-
cked;.the.frequency.of.the.checks.depends.
on.the.type.of.appliance.and.the.installation.
and.usage.conditions.
In.any.case,.it.should.be.inspected.at.least.
once.a.year.by.a.qualified.technician.
Fig..17
3
.
4
3
.
4
3
.
chan-
4