NTI INSTALLATION MANUALS

Part 3 - Prepare the Boiler for Installation

TRX Components

24

1

25

23

2

5

22

3 6 7

21

9

19

8

20

16 17 12 15 11 18

26 10

13

1. 2. 3. 4. 5. 6. 7.

Pressure relief valve

15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26.

Circulation Pump

Air purge valve

DHW Flow Sensor (Combi Models Only)

Boiler outlet temperature sensor

Water pressure switch

Air pressure switch

Modulating Fan

Flue gas temperature sensor

Boiler inlet temperature sensor

Main heat exchanger

Frame

Flame detection electrode

Ignition electrode Spark generator

8

Silencer

9.

Junction box

Combustion Analysis Test Point

10. 11. 12. 13.

DHW Heat Exchanger (Combi Models Only)

Air intake connection Exhaust vent connection

Condensate trap

Gas valve

Diverter valve

Control panel

Figure 8 - Component Locations and Descriptions

19