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FIGURES & TABLES ................................................. 33
Figure 31. *SL & *SM Cabinet Dimensions .......... 33
Figure 32. *SC & *SD Cabinet Dimensions.......... 34
Airflow Data ............................................................. 35
Table 6. *SC Upflow / Horizontal Furnaces .......... 35
Table 7. *SL Downflow Furnaces ......................... 36
Table 8. *SD Upflow / Horizontal Furnaces .......... 37
Table 9. *SM Downflow Furnaces ........................ 38
Electrical Information............................................... 39
Figure 33. Wiring Diagram ................................... 39
Gas Information ....................................................... 40
Table 10. Gas Flow Rates .................................... 40
Table 11. Gas Pipe Capacities ............................. 40
Table 12. High Altitude Deration – Propane Gas.. 41
Table 13. Natural Gas Heating Values.................. 41
Table 14. High Altitude Deration – Natural Gas
with HIGH Heating Value...................... 42
Table 15. High Altitude Deration – Natural Gas
with LOW Heating Value ....................... 42
Venting Information.................................................. 43
Table 16. Vent Termination Clearances ................ 43
*SC & *SL Series (92.1% AFUE)
Figure 34. Horizontal & Vertical Venting ............... 44
Figure 35. Venting Options for Upflow
Installations (*SC Series) .................... 45
Figure 36. Venting Options for 1 Pipe
Horizontal Installations (*SC Series)... 46
Figure 37. Venting Options for 2-Pipe
Horizontal Installations (*SC Series)... 47
Figure 38. Venting Options for Downflow
Installations (*SL Series) .................... 48
*SD & *SM Series (95.0 % AFUE)
Figure 39. Horizontal & Vertical Venting ............... 49
Figure 40. Venting Options for Upflow
Installations (*SD Series).................... 50
Figure 41. Venting Options for Horizontal
Installations (*SD Series) .................... 51
Figure 42. Venting Options for Downflow
Installations (*SM Series).................... 52
TROUBLESHOOTING ............................................... 53
Table 17. Control Board Fault Conditions............. 53
FURNACE COMPONENTS ....................................... 53
Figure 43. *SC & *SD Component Locations ....... 54
Figure 44. *SL & *SM Component Locations ....... 55
IMPORTANT SAFETY INFORMATION
INSTALLER: Please read all instructions before servicing
this equipment. Pay attention to all safety warnings and
any other special notes highlighted in the manual. Safety
markings are used frequently throughout this manual to
designate a degree or level of seriousness and should not
be ignored. WARNING - Indicates a potentially hazardous
situation that if not avoided, could result in personal injury
or death. CAUTION - Indicates a potentially hazardous
situation that if not avoided, may result in minor or moderate
injury or property damage.
.... 56
under water.
WARNING:
WARNING:
WARNING:
WARNING:
3
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