RESET
TWICE
ONLY
2.6
HEATER UNIT
In. "SOLO 20-30 OF/BF". models,. the.
heater. unit. comes. on. with. the. con-
sensus.of.the.burner,.after.a.delay.of.
a. maximum. of. 90. seconds. required.
to.bring.fuel.in.the.nozzle.holder.area.
up. to. a. temperature. of. 65°C.. Once.
this.temperature.has.been.reached,.
the. thermostat,. which. is. located.
above. the. preheater. (1. fig.. 15/b),.
will. give. consensus. for. the. burner.
to.start..
The.heater.will.remain.on.for.as.long.
as. the. burner. stays. on. and. go. off.
when.the.burne.goes.off.
The. "DUETTO 20-30 OF/30 BF".
model. has. a. lower. power. heater.
which.remains.on.all.the.time.after.
12
bar
3
the. main. switch. is. turned. on. in. the.
control.panel.in.winter.only..The.first.
time.it.is.turned.on.at.the.beginning.
of. the. season,. it. may. be. difficult. for.
the.burner.to.come.on,.and.the.boiler.
may. stop. working. if. the. operating.
cycle.is.begun.before.te.correct.fuel.
temperature.has.been.reached..
When.it.is.started.again,.enough.time.
will. have. passed. (2. -. 3. minutes). for.
the. fuel. to. have. reached. the. correct.
temperature.for.start-up..
"SOLO 40 OF/BF - DUETTO 40 OF/
BF" model have no heater unit, as it
is not required.
2.7
ELECTRICAL CONNECTION
The.boiler.is.supplied.with.an.electric.
5
6
7
KEY
. 1. Gas-oil.pump
2
. 2. Pressure.gauche.intake
. 3. Pressure.adjustment.screw
1
cable.and.the.electric.power.supply.
to. the. boiler. must. be. 230V-50Hz.
single-phase. through. a. fused. main.
switch.
The. stat. cable,. whose. installation.
is.compulsory.for.obtaining.a.better.
adjustment. of. the. room. tempera-
ture,. must. be. connected. as. shown.
in.fig..9.-.9/a.
NOTE:
Device must be connected to an
efficient earthing system.
SIME declines all responsibility
for injury or damage to persons
resulting from the failure to pro-
vide for proper earthing of the
appliance.
Always turn off the power supply
before doing any work on the elec-
trical panel.
2
1
Fig..8
Fig..8/a
73