NTI TRX II Series Installation Start-Up Maintenance page 20

Part 3 - Prepare the Boiler for Installation
TRX Components
1
2
3
4
5
6
7
8
9
10
11
12
1.
Pressure relief valve
2.
Air purge valve
3.
Boiler outlet temperature sensor
4.
Main heat exchanger
5.
Flame detection electrode
6.
Silencer
7.
Junction box
8.
Diverter valve
9.
DHW Heat Exchanger (Combi Models Only)
10. DHW Temperature Sensor (Combi Models Only)
11. Gas valve
12. Control panel
Figure 9 - Component Locations and Descriptions
20
13. DHW Flow Sensor (Combi Models Only)
14. Water pressure switch
15. Circulation Pump
16. Condensate trap
17.
Modulating Fan
18. Boiler inlet temperature sensor
19. Frame
20. Ignition electrode
21. Spark generator
22. Flue gas temperature sensor
23. Combustion Analysis Test Point
24. Exhaust vent connection
25. Air intake connection
25
24
23
22
21
20
19
18
17
16
15
14
13
420012001300 - Rev. 04 - 031524