Ferroli DOMItech F 24 Instrucciones De Uso página 34

Fault
Fault Possible cause
code
Sensor damaged
F11 DHW sensor fault Wiring shorted
Wiring disconnected
Sensor damaged
F14 Delivery sensor 2 fault Wiring shorted
Wiring disconnected
Air pressure switch (fails to
Fault F05 generated 5 times in
A15 close contacts within 20 sec.
the last 24 hours
of fan activation)
F34 Supply voltage under 170V. Electric mains trouble
F35 Faulty mains frequency Electric mains trouble
Pressure too low
Incorrect system water
F37
Water pressure switch damaged
pressure
or not connected
Delivery sensor or DHW sensor
A41 Sensor positioning
detached from the pipe
F42 Heating sensor fault Sensor damaged
No system H
Exchanger protection
F43
activation.
Air in the system
F50 Modureg fault Wiring disconnected
5. TECHNICAL DATA AND CHARACTERISTICS
187
5
16
278
81
20
21
22
42
340
10 8 44 7
fig. 16 - General view DOMItech F 24
34 EN
Cure
Check the wiring or replace the
sensor
Check the wiring or replace the
sensor
See fault F05
Check the electrical system
Check the electrical system
Fill the system
Check the sensor
Check the correct positioning and
operation of the sensors
Replace the sensor
O circulation
Check the circulating pump
2
Vent the system
Check the wiring
29 43
56
28
27
19
26
14
36
114
9 38 74 11 32
cod. 3540R832 - 03/2011 (Rev. 00)
DOMItech F 24 - F 32
5
16
278
81
20
21
22
42
340
10 8 44 7
fig. 17 - General view DOMItech F 32
Table. 9 - Key of figures cap. 5
5 Sealed chamber
7 Gas inlet
8 Domestic hot water outlet
9 Cold water inlet
10 System delivery
11 System return
14 Safety valve
16 Fan
19 Combustion chamber
20 Burner assembly
21 Main nozzle
22 Burner
26 Combustion chamber insulation
27 Copper exchanger for heating and hot water
28 Combustion chamber
187 29 43
38 9 74 11 32
29 Fume outlet manifold
32 Heating circulating pump
36 Automatic air vent
38 Flowswitch
42 Tap water temperature probe
43 Air pressure switch
44 Gas valve
56 Expansion tank
74 System filling cock
81 Ignition and detection electrode
114 Water pressure switch
187 Fume baffle
278 Double sensor (Safety + Heating)
340 Bypass pipe
56
28
27
19
26
14
36
114