Nordyne RC 92+, RL 90+ installation instructions Vertical Venting

Page 21

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

21

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Contents What to do if YOU Smell GAS Installation InstructionsPage Table of Contents Furnace Specifications Downﬂow *RL Furnace G6RC Upflow Furnace Capacities -Furnace Airﬂow DataCapacities Safety Information Installation Requirements Requirements and CodesImportant Note Minimum Clearances to Combustible Material Clearances to Combustible MaterialsHorizontal Installations Downflow Warning *RL ModelsLocation Vinyl Cap Grey Tubing Installation on a concrete slab *RL Supplyair Plenum InstallationInstallation on a combustible ﬂoor *RL Circulating AIR SupplyVenting and Combustion AIR Requirements Return AirFurnace on a Wood Floor Downﬂow Sub-Base DimensionsEquipment in a Conﬁned Installation In An Unconﬁned Space Air Requirements For One-Pipe InstallationInstallation In a Conﬁned Space Combustion Air QualityVenting Requirements Vent Pipe Material SolutionVent Pipe Length and Diameter Seal any unused openings in the vent- ing systemUpﬂow Furnaces Downﬂow FurnacesVent Table Pipe Routing and Support Vent Pipe InstallationLocation of Outdoor Terminations Horizontal VentingVertical Venting Page Vent Termination Clearances for Direct Vent Furnaces For appliances 100,00 Btuh 30 kW Vent Protection Vertical Venting= 12 Above Roof or Snow Accumulation Level Vent Freezing ProtectionUpﬂow Models Drainage of Condensate from Furnace Concentric Vent TerminationSide Wall Vent Kit Leak Check GAS Supply and PipingAbove Sea Level Manifold Pressure in WC for Natural Gas at Various AltitudesHigh Altitude Application ConversionNatural Gas High Altitude Conversion LP/Propane Gas Sea Level and High Altitude ConversionElectrical Wiring Line Voltage WiringLow Voltage Wiring Start-Up Procedure START-UP and AdjustmentsVerifying and Adjusting Firing Rate Firing rate = 1040 x 90 = 93,600 BtuhBlower Speed Tap Location Verifying and Adjusting Temperature RiseVerifying Burner Operation Verifying Operation of the Supply Air Limit SwitchDescription of Components Gas Flow RateMaintenance WD# For Upﬂow and Downﬂow Residential FurnacesDownﬂow Furnace Models Upﬂow Furnace ModelsHeating Mode System Operation InformationSequence of Operation Fan Mode Cooling ModeFurnace Fails to Operate Twinning of Two FurnacesFuel Type INSTALLATION/PERFORMANCE Check List