3.6
CARD FUNCTIONING
The. electronic. card. has. the. following.
functions:
–. Antifreeze. protection. of. the. heating.
and.sanitary.water.circuits.(ICE).
–. Ignition.and.flame.detection.system.
–. Control. panel. setting. for. the. power.
for.boiler.functioning.
–. Anti-block.for.the.pump.which.is.fed.
for. a. few. seconds. after. 24. hours. of.
inactivity.
–. Antifreeze.protection.for.boilers.with.
an.accumulation.boiling.unit.
–. Chimney. sweep. function. which. can.
be.activated.from.the.control.panel.
–. Management. of. 3. independent. hea-
ting.circuit.systems.
–. Automatic. regulation. of. the. ignition.
power.and.maximum.heating...
. Adjustments. are. managed. automa-
tically.by.the.electronic.card.to.gua-
rantee.maximum.flexibility.in.use.of.
the.system.
–. Interface. with. the. following. elec-
tronic. systems:. climatic. regula-
tor. CR. 53,. remote. control. CR. 73,.
thermal. regulator. RVS,. connected.
to. a. management. card. of. a. mixed.
zone. ZONA.MIX,. card. solar. INSOL.
and. to. board. RS-485. for. managing.
up. to. 8. boilers. in. cascade. or. imple-
ment. a. communication. type. Modbus.
(slave. RTU-RS485,. Reference. Guide.
PI-MBUS-300.Rev..J)..For.configuring.
the.devices.with.the.boiler.board,.set.
the.installer.parameter.PAR 10.
–. Anti-condensing. function,. body. pre-
heat. (symbol. “+”. before. main. digit).
and.anti-inertia.
3.7
FUNCTIONING ANOMALIES
When.there.is.a.functioning.anomaly,.an.
alarm. appears. on. the. display. and the
blue luminous bar becomes red.
Descriptions.of.the.anomalies.with.relati-
ve.alarms.and.solutions.are.given.below:
–. LOW WATER PRESSURE ANOMALY
ALARM 02 (fig. 15/1)
. If. the. detected. pressure. is. below. 0.5.
bar,. the. diesel. fuel. burner. operation.
blocks.and.ALL.02.appears.on.the.di-
splay..
. Restore. pressure. by. rotating. the. fill.
cock. anticlockwise. until. the. indicated.
92
Fig..15/1
0
4
1
3
2
bar
Apre
2
2
2
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
OPEN
