Nordyne RC 92+, RL 90+ installation instructions Downflow *RL Furnace

Page 5

 

Downflow *RL Furnace

 

 

 

 

 

 

 

 

 

 

 

 

Combustion

 

3/4"

 

Exhaust Vent

C

 

Vent

 

 

 

(3" for 80/100

 

 

Combustion Air Inlet

2" Dia.

 

 

 

 

 

 

2" for 40/60)

 

 

24 1/2"

 

 

A

 

 

 

 

 

 

 

 

3/4"

Exhaust Vent

 

 

 

 

19 3/4"

 

 

22 1/2"

3/4"

 

B

3/4"

Figure 2.

 

 

 

 

 

2 1/2"

 

 

 

 

 

C

 

 

Downflow

 

 

 

 

 

 

 

 

 

 

L

 

 

 

24 7/8"

 

 

 

 

24 7/8"

 

 

 

 

 

 

 

Unit

 

7/8" Dia. Electric

 

 

 

 

7/8" Dia. Electric

43"

Connection

 

 

 

 

Connection

Dimensions

 

21 7/8"

 

 

 

 

21 7/8"

 

 

21 1/2"

 

 

21 1/2"

1 1/2" x 2 1/2"

 

1 1/2" x 3 1/2" Dia.

 

 

Knockout For

 

Opening for

 

 

 

 

Gas Connection

 

Gas Connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21 1/4"

15 1/2"

 

 

 

 

 

 

 

 

 

 

 

 

 

8"

 

 

 

 

10 1/4"

 

 

 

 

 

 

 

 

1"

 

 

 

 

 

 

 

 

Condensate

 

 

D

 

19 3/4"

 

 

Drain Outlet

 

 

Bottom Supply

 

Bottom Opening

 

 

27 7/8"

 

 

Air Opening

Condensate

 

 

 

 

 

 

3/4"

 

 

 

 

 

 

 

 

 

 

 

Drain Outlet

5

 

 

See Table 3

 

 

 

 

 

 

 

 

 

 

 

 

Image 5
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 Important Note Safety InformationInstallation Requirements Requirements and Codes Minimum Clearances to Combustible Material Clearances to Combustible MaterialsLocation Horizontal InstallationsDownflow Warning *RL Models 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 systemVent Table Upflow FurnacesDownflow Furnaces 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 VentingUpflow Models = 12 Above Roof or Snow Accumulation LevelVent Freezing Protection Side Wall Vent Kit Drainage of Condensate from FurnaceConcentric Vent Termination 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 ConversionLow Voltage Wiring Electrical WiringLine 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 ModelsSequence of Operation Heating ModeSystem Operation Information Fan Mode Cooling ModeFurnace Fails to Operate Twinning of Two FurnacesFuel Type INSTALLATION/PERFORMANCE Check List