Trane Gas Unit Heaters Wartungshandbuch

32

 GUNE-SVX001A-EN

b. Average Duty—Annually after 3 years or 

8,000 hours of operation.

c. Heavy Duty—Annually after 1 year or at least 

1,500 hours of operation.

12. Check and test the operational functions of all safety 

devices supplied with your unit.

D9373

1

2

3

4

6

7

8

9

10

14

12

13

11

15

16

17

20

21

22

23

24

25

26

27

28

30

29

31

AIR

FL

O

W

←

5

19

18

1.

Vestibule panel/tube assembly 
(heat exchanger)

2.

Manifold

3.

Manifold bracket/sub assembly

4.

Inshot burner

5.

Burner orifice

6.

Gas valve

7.

Gas inlet pipe

8.

Gas inlet grommet

9.

Flame sensor

10. Spark ignitor

11.

Control board

12. Transformer

13. Air pressure switch

14. Control sub-panel

15. Terminal block plate

16. High limit switch

17.

Flue collector

18. Flue collector gasket

19. Flue collector cover panel

20. Power vent assembly

21. Power vent extension/stand-off

22. Flue collar

23. Air inlet screen

24. Baffle

25. Top panel

26. Bottom panel

27.

Left side panel

28. Right side/Access panel

29. Rear panel

30. Front panel

31. Peep hole sight glass