
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 flow 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) - (flue 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
Front
Right side