32
Alpha Pro Tec - Routine Servicing
Fig. 6.5 Pro Tec 70, 90, 115
1 Tundish
2 Gas cock
3 Pump
4 Injector
5 Overheat thermostat
6 Burner
7 System return NTC
8 System ow NTC
9 Automatic air vent
10 Flue sensor
11 Condensing heat exchanger
12 Flue hood manifold
13 Air intake pipe
14 Ignition unit
15 Overheat thermostat (manual reset)
16 Ignition electrode
17 Heat exchanger thermal fuse
18 Flame detection electrode
19 Combustion chamber front cover
20 Manifold cover
21 Venturi housing
22 Condensate trap
23 Fan
24 Gas valve
25 System pressure switch
26 Flow manifold
27 Safety valve 4 bar
28 PCB
29 Test points (air A) - (ue F)
12
11
10
9
8
7
6
5
4
3
2
1
29
F A
13
14
16
15
17
18
19
20
21
22
23
24
25
26
27
28
FrontRight side