DIVAtop ST F
41
EN
cod. 3540S171 - 09/2011 (Rev. 00)
5. TECHNICAL DATA AND CHARACTERISTICS
5.1 General view and main components
fig. 29 - General view DIVAtop ST 24 F
fig. 30 - General view DIVAtop ST 32 F
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
29
Fume outlet manifold
32
Heating circulating pump
36
Automatic air vent
37
Water inlet filter
40
Hot water expansion tank
42
DHW temperature sensor
44
Gas valve
47
Modureg
56
Expansion tank
72
Room thermostat
73
Antifreeze thermostat (optional)
74
System filling cock
81
Ignition/Detection electrode
95
Diverter valve
97
Magnesium anode
130
DHW circulating pump
138
External probe
139
Remote timer control (OpenTherm)
145
Pressure gauge
194
Exchanger
195
Storage
241
Automatic bypass
243
Tap water temperature probe
246
Pressure transducer
278
Double sensor ( Heating)
297
Air pressure transducer
5.2 Water circuit
fig. 31 - Water circuit
F40
Incorrect system water pres-
sure
Pressure too high
Check the system
Check the safety valve
Check the expansion tank
A41
Sensor positioning
Delivery sensor detached from pipe
Check the correct positioning and
operation of the heating sensor
F42
Heating sensor fault
Sensor damaged
Replace the sensor
F43
Exchanger protection activa-
tion.
No system H
2
O circulation
Check the circulating pump
Air in the system
Vent the system
F47
System water pressure sen-
sor fault
Wiring disconnected
Check the wiring
F50
Modureg fault
Wiring disconnected
Check the wiring
Fault
code
Fault
Possible cause
Cure
10
8 44 7 37
9 74 11
32
246
14
36
243
19
26
27
56
297
29
195
40
5
16
278
130
194
95
81
145
42
20
21
22
10
8 44 7 37
9 74 11
32
246
14
36
243
19
26
27
56
29
297
195
40
5
16
278
130
194
95
81
145
42
20
21
22
56
44
14
32
11
10
7
8
9
95
241
246
36
194
97
195
243
130
40
74
29
297
16
278
5
27
20
81
Содержание Divatop ST F 24
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