Manuals / Nordyne / Household Appliance / Furnace

Nordyne RC 92+, RL 90+ Upﬂow Furnaces, Downﬂow Furnaces, Vertical Venting, Furnace Pipe Adaptions

Models: RC 92+ RL 90+

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Figure 17. Vertical Venting

Upﬂow Furnaces

Support System on

Vertical Rise Below Joints

Support System with
first support as close	5'

to furnace as Possible

Combustion

Air Pipe

Exhaust

Vent

Straight Neoprene

Couplings with

2 Hose Clamps*

(Optional - Not

Shown)

Upward Pitch 1/4" per Foot

Cabinet

Furnace Front

Downﬂow Furnaces

Exhaust

Vent

Support System on

Vertical Rise Below Joints

Support System with
first support as close	5'
to furnace as Possible
Combustion
Air Pipe

Straight Neoprene
Rubber Couplings	Upward Pitch
with 2 Hose Clamps*	1/4" per Foot

Cabinet

Furnace Front

Figure 17. Vertical Venting

*These couplings are ﬁeld-supplied and can be used if the installation requires breakable connec- tions in the piping. Note that a maximum of two couplings per pipe are allowed.

Upﬂow Furnaces

Combustion Air Inlet Pipe Collar Diameter 3" for coupling or reducer

Furnace Top

2" PVC Exhaust Vent All Models

Downﬂow Furnaces

Combustion Air Inlet

2" PVC on 040/060 models, 3" PVC on 080/100 models

Furnace Top

2" PVC

Exhaust Vent

All Models

Figure 18. Furnace Pipe Adaptions

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Image 21

Nordyne RC 92+, RL 90+ installation instructions Upﬂow Furnaces, Downﬂow Furnaces, Vertical Venting, Furnace Pipe Adaptions

Contents

RC 92+ Upﬂow WHAT TO DO IF YOU SMELL GASRL 90+ Downﬂow Do not try to light any appliancePage Table of Contents FURNACE SPECIFICATIONS Upﬂow *RC FurnacesFigure 1. Upﬂow Unit Dimensions See Table Downﬂow *RL FurnaceDimensions DownﬂowCAPACITIES -FurnaceAirﬂow Data G6RC UPFLOW FURNACECan be C or N CAPACITIES Can be C or NNot Recommended SAFETY INFORMATION INSTALLATION REQUIREMENTS Requirements and CodesIMPORTANT NOTE MINIMUM CLEARANCES TO COMBUSTIBLE MATERIAL CLEARANCES TO COMBUSTIBLE MATERIALSFurnace CabinetHORIZONTAL INSTALLATIONS DOWNFLOW WARNING *RL ModelsLocation 1.Remove the hard “J” tube drain trap as- sembly CIRCULATING AIR SUPPLY SUPPLYAIR PLENUM INSTALLATIONA.Installation on a concrete slab - *RL B.Installation on a combustible ﬂoor - *RLVENTING AND COMBUSTION AIR REQUIREMENTS Return AirConcrete FurnaceDownﬂow Models Upﬂow ModelsFigure 9. Downﬂow Sub-Base Dimensions One Pipe InstallationsFigure 15. Equipment in a Conﬁned Space Figure 13. Equipment in a ConﬁnedSpace with all Combustion Air drawn from with all Combustion Air Drawn from theInstallation In An Unconﬁned Space Air Requirements For One-PipeInstallationInstallation In A Conﬁned Space Combustion Air QualityVENTING REQUIREMENTS Vent Pipe Material CARBON MONOXIDE POISONING HAZARDVent Pipe Length and Diameter SolutionDownﬂow Furnaces Upﬂow FurnacesTable 5. Vent Table Figure 16. Horizontal VentingPipe Routing and Support Vent Pipe InstallationLocation of Outdoor Terminations Horizontal VentingDownﬂow Furnaces Upﬂow FurnacesUpﬂow Furnaces Downﬂow FurnacesThe following list is a summary of vent terminal location requirements Canadian Installations1 AREA WHERE TERMINAL IS NOT PERMITTEDUS Installations2 VENT TERMINALCanadian Installations1 AREA WHERE TERMINAL IS NOT PERMITTEDUS Installations2 VENT TERMINALFigure 21. Alternate Horizontal Vent Installation Vertical VentingTable 6. Vent Protection Figure 23. Vertical Vent Termination A= 12” Above Roof or Snow Accumulation LevelVent Freezing Protection Upﬂow ModelsFigure 25. Typical Gas Service Connection DRAINAGE OF CONDENSATE FROM FURNACEUpﬂow Models Downﬂow ModelsGAS SUPPLY AND PIPING Leak CheckFIRE OR EXPLOSION HAZARD FOR NATURAL GAS SPECIFIC GRAVITY = CAPACITY OF BLACK IRON GAS PIPE CU. FT. PER HOUROriﬁce Drill Size Furnace RatingWire Wire Length2-wire 4 or 5-wireLine Voltage Wiring ELECTRICAL WIRINGLow Voltage Wiring Figure 26. Line Voltage Field WiringStart-UpProcedure START-UPAND ADJUSTMENTSVerifying and Adjusting Firing Rate Four-wireHeating/Cooling ApplicationsFigure 28. Blower Speed Tap Location Verifying and Adjusting Temperature RiseVerifying Burner Operation DESCRIPTION OF COMPONENTSTable 13. Gas Flow Rate Condensate Drain Assembly MAINTENANCECombustion Air and Vent System Air FiltersWD# Figure 29. Upﬂow and Downﬂow Wiring Diagram For Upﬂow and Downﬂow Residential FurnacesUpﬂow Furnace Models Downﬂow Furnace ModelsFigure 30. Location of Major Components SYSTEM OPERATION INFORMATION Sequence of OperationHeating Mode Twinning of Two Furnaces Furnace Fails to OperateCooling Mode Fan ModeINSTALLATION/PERFORMANCE CHECK LIST 7085030¢708503¨¤