Technical Data And Characteristics; Dimensions And Connections - Ferroli DIVA HC24 Instructions D'utilisation, D'installation Et D'entretien

Fault
Fault
code
Air pressure switch (contacts
F07
closed on activation of fan)
A09 Gas valve fault
F10 Delivery sensor fault
F11 DHW sensor fault
A16 Gas valve fault
A23 Card parameter fault
A24 Card parameter fault
F34 Supply voltage under 140VAC
F35 Faulty mains frequency
Incorrect system water pres-
F37
sure
Exchanger protection activa-
F43
tion.
F50 Controller DBM32 fault
F51 Controller DBM32 fault
14 EN
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Possible cause Cure
Air pressure switch Check the pressure switch / Fan /
contact open Fan socket
Faulty air pressure
Check the wiring
switch wiring
Wrong baffle Make sure the baffle is correct
Flue obstructed or Check the length of the flues / Clean
not correctly sized the flues
Wiring disconnected Check the wiring
Check the gas valve and replace it if
Faulty gas valve
necessary
Sensor damaged
Check the wiring or replace the sen-
Wiring shorted
sor
Wiring disconnected
Sensor damaged
Check the wiring or replace the sen-
Wiring shorted
sor
Wiring disconnected
Wiring disconnected Check the wiring
Check the gas valve and replace it if
Faulty gas valve
necessary
Wrong card parame- Check the card parameter and mod-
ter setting ify it if necessary
Wrong card parame- Check the card parameter and mod-
ter setting ify it if necessary
Electric mains trou-
Check the electrical system
ble
Electric mains trou-
Check the electrical system
ble
Pressure too low Fill the system
Water pressure
switch damaged or Check the sensor
not connected
No system H O cir-
2
Check the circulating pump
culation
Air in the system Vent the system
Controller DBM32 Check the earth connection and
internal error replace the controller if necessary.
Controller DBM32 Check the earth connection and
internal error replace the controller if necessary.
cod. 3541E901 - Rev. 00 - 12/2015

5. TECHNICAL DATA AND CHARACTERISTICS

Table. 3 - Legend cap. 5
7 Gas inlet
10 System delivery
11 System return
14 Safety valve
19 Combustion chamber
22 Burner
27 Copper exchanger for heating and hot water
32 Heating circulating pump
34 Heating temperature sensor
36 Automatic air vent
44 Gas valve

5.1 Dimensions and connections

Ø 131
fig. 12 - Front view
DIVA HC24
49 Safety thermostat
56 Expansion tank
74 System filling cock
78 Anti-backflow device
81 Ignition and detection electrode
95 Diverter valve
114 Water pressure switch
126 Fume thermostat
209 Hot water tank delivery
210 Hot water tank return
241 Automatic bypass
117
120
400