1611UDSBD-3GBEN, Pag. 2/36
INDEX
Warnings ..........................................................................................................................3
1. General .......................................................................................................................4
2. Installation codes .......................................................................................................4
3. Warranty .....................................................................................................................4
4. Uncrating and preparation ..........................................................................................4
5. Dimensions ................................................................................................................5
6. Technical data ............................................................................................................8
7. Flue requirements .......................................................................................................10
8. Unit heater location ....................................................................................................15
9. Hanging the unit .........................................................................................................16
10. Gas piping and pressures ...........................................................................................17
11. Electrical supply and connections ..............................................................................18
12. Check installation and start up ...................................................................................20
13. Maintenance schedule ................................................................................................24
14. Heat exchanger maintenance .....................................................................................25
15. Burner maintenance ...................................................................................................26
16. Burner orifi ce .............................................................................................................28
17. Ignition system ...........................................................................................................29
18. Blower motor .............................................................................................................29
19. Centrifugal fan ...........................................................................................................33
20. Venter motor and wheel .............................................................................................30
21. Gas valve ....................................................................................................................31
22. Combustion air pressure switch .................................................................................31
23. Limit controls .............................................................................................................32
24. Flue and combustion air system .................................................................................32
25. Troubleshooting .........................................................................................................34
26. Parts list ......................................................................................................................35