Technical data

0803UDSA-2GBEN, 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 ........................................................................................................... 7
7. Flueing requirements ................................................................................................ 8
8. Unit heater location .................................................................................................. 12
9. Hanging the unit ....................................................................................................... 13
10. Gas piping and pressures .......................................................................................... 15
11. Electrical supply and connections ............................................................................ 16
12. Check installation and start up.................................................................................. 18
13. Maintenance schedule............................................................................................... 23
14. Heat exchanger maintenance .................................................................................... 24
15. Burner maintenance .................................................................................................. 25
16. Burner orifice............................................................................................................ 27
17. Ignition system ......................................................................................................... 27
18. Fan motor.................................................................................................................. 28
19. Fan motor, fan blades and guard............................................................................... 28
20. Venter motor and wheel ............................................................................................ 29
21. Gas valve .................................................................................................................. 31
22. Combustion air pressure switch................................................................................ 32
23. Limit controls ........................................................................................................... 32
24. Flue and combustion air system ............................................................................... 33
25. Troubleshooting ........................................................................................................ 33
26. Parts list .................................................................................................................... 36