
9
Alpha Pro Tec - Data
1
Tundish
2
Safety valve (4 bar)
3
Drain point
4
Flow manifold
5
Condensate trap
6
Gas valve
7
Injector
8
Fan
9
Manifold cover
10
Ignition electrode
11
Combustion chamber cover
12
Heat exchanger
13
Heat exchanger automatic air vent
14
Flue sensor
15
Thermofuse
Fig. 2.6
16
Air sampling point
17
Flue sampling point
18
Flue hood
19
Venturi positive point (P2)
20
Overheat thermostat (manual reset)
21
Overheat thermostat
22
Primary flow temperature sensor
23
Primary return temperature sensor
24
Flame sensing electrode
25
Primary flow sensor
26
Air inlet pipe
27
Burner
28
Venturi
29
Automatic air vent
30
Pump
2.7 BOILER SCHEMATIC
Pro Tec 50
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Return
Gas
Flow
Condensate
discharge
(P3)