Alpha Pro Tec Plus 115, Installation And Servicing Instructions, Page: 10 / 56

10
Alpha Pro Tec Plus 50, 70, 90, 115 - Data
Fig. 2.6
Pro Tec Plus 70, 90, 115
Return Gas Flow
Condensate
discharge
(P3)
16
17
18
19
20
21
22
23
24
25
26
27
28
14 15
13
12
11
10
9
8
7
6
5
4
3
2
1
1 Tundish
2 Safety valve (4 bar)
3 Drain point
4 Primary pressure switch
5 Flow manifold
6 Gas valve
7 Fan
8 Injector
9 Air inlet pipe
10 Flame sensing electrode
11 Combustion chamber cover
12 Heat exchanger
13 Flue hood
14 Air sampling point
15 Flue sampling point
16 Heat exchanger automatic air vent
17 Primary flow temperature sensor
18 Overheat thermostat
19 Primary return temperature sensor
20 Overheat thermostat (manual reset)
21 Flue sensor
22 Burner
23 Thermofuse
24 Ignition electrode
25 Manifold cover
26 Venturi
27 Pump
28 Condensate trap