Installation Guide
3
FIGURES & TABLES .................................................33
Figure 31 - Downflow Dimensions .......................33
Figure 32 - Upflow / Horizontal 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 Chart for
Propane Gas .......................................41
Table 13 - Natural Gas Heating Values ................ 41
Table 14 - High Altitude Deration Chart for
Nat. Gas - High Heating Values ..........42
Table 15 - High Altitude Deration Chart for
Nat. Gas - Low Heating Values ........... 42
Venting Information..................................................43
Table 16 - Vent Termination Clearances ...............43
Venting Options for 92.1% Series ........................44
Figure 34 - Horiz. & Vert. Venting (92.1%) ............ 44
Figure 35 - *SC Upflow Options ........................... 45
Figure 36 - *SC Horizontal Options - 1-Pipe
Furnaces ...........................................46
Figure 37 - *SC Horizontal Options - 2-Pipe
Furnaces ...........................................47
Figure 38 - *SL Downflow Options ....................... 48
Venting Options for 95.0% Series ........................49
Figure 39 - Horiz. & Vert. Venting (95.0%) ............ 49
Figure 40 - *SD Upflow Options ........................... 50
Figure 41 - *SD Horizontal Options - 1 & 2 Pipe
Furnaces ...........................................51
Figure 42 - *SM Downflow Options ...................... 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
INSTALLATION/PERFORMANCECHECKLIST ..... 56
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.
WARNING:
The safety information listed in this manual
must be followed during the installation,
service,andoperationofthisunit.Unqualied
individualsshouldnotattempttointerpretthese
instructionsorinstallthisequipment.Failure
tofollowsafetyrecommendationscouldresult
inpossibledamagetotheequipment,serious
personalinjuryordeath.
WARNING:
Unlessotherwisenotedintheseinstructions,
onlyfactoryauthorizedkitsoraccessoriesmay
beusedwithorwhenmodifyingthisproduct.
WARNING:
Improper installation, service, adjustment,
or maintenance may cause explosion, re,
electricalshockorotherhazardousconditions
whichmayresultinpersonalinjuryorproperty
damage. Unless otherwise noted in these
instructions, only factory authorized kits or
accessoriesmaybeusedwiththisproduct.
WARNING:
Donotinstallthisfurnaceifanyparthasbeen
submerged under water. A ood damaged
furnaceis extremelydangerous.Attemptsto
usethefurnacemayresultinreorexplosion.A
qualiedserviceagencyshouldbecontactedto
inspectthefurnaceandtoreplaceanyelectrical
orcontrolsystempartsthathavebeenwetor
under water.