Ferroli TEMPRA 24 Installation, Service And User Instructions Manual page 6

2.02 Boiler main components
29 187
5
28
49
22 82
20
21
34
10 14 84 7
ON
°C
98 63
Key
5 Room sealed compartment
7 Gas inlet
10 Central heating flow
11 Central heating return
14 Safety valve
16 Fan
19 Combustion chamber
20 Burner assembly
21 Main injector
22 Burner
26 Combustion chamber insulation
27 Copper heat exchanger
28 Flue collector from heat exchanger
29 Internal flue exit
32 Central heating pump
34 Central heating flow temperature sensor
36 Automatic air vent valve
43 Air pressure switch
6
TEMPRA 24
43
81
Fig. 2
85 44 11
bar
3
2 4
1 5
0
6
145 62
2.03 Boiler water flow diagram
29-187
16
56
16
5
49
27
50
19
26
82
20
36
32 34
14
10
44 Gas valve
49 Safety overheat thermostat
50 Central heating flow limit thermostat
56 Expansion vessel
62 Time clock (option)
63 Central heating temperature adjustment
81 Ignition electrode
82 Sensor electrode
84 Primary gas valve solenoid
85 Secondary gas valve solenoid
98 On/Off/Reset switch
145 Central heating pressure gauge
187 Flue restrictor
- +
7 11
43
50
56
81
44
32
Fig. 3