Nordyne RL 90+, RC 92+ installation instructions For Upflow and Downflow Residential Furnaces, Wd#

Page 36

For Upflow and Downflow Residential Furnaces

BLUE

BLUE

BLUE

BLUE

FLAME

BLOWER

SUPPLY AIR

 

FLAME ROLL-OUT

ROLL-OUT SWITCH

DECK SWITCH

LIMIT SWITCH

 

 

SWITCH

(SELECT

(SELECT

(ALL MODELS)

 

 

(ALL MODELS)

MODELS ONLY)

MODELS ONLY)

 

 

 

 

 

 

BLUE

BLUE

ORANGE

ORANGE

 

WHITE (NEUTRAL)

 

 

 

 

 

BLACK 120V

 

 

 

 

 

GROUND

 

 

 

 

 

ROOM THERMOSTAT

 

 

 

 

VENT

SAFETY SWITCH

(SELECT

MODELS ONLY)

WHITE

GREEN

PRESSURE

VENT

SWITCH

PRESSURE SWITCH

 

(93+ MODELS ONLY)

BLACK

BLOWER DOOR

SWITCH

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AIR CONDITIONER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONDENSING UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FLAME SENSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YELLOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BROWN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VALVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IGNITOR

 

 

 

 

 

 

 

Legend

 

 

 

 

 

 

 

 

 

BLACK

 

 

 

 

 

 

 

 

 

 

 

BLACK

 

 

Field Wiring

 

 

R

C BLACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Factory Wiring:

 

 

 

 

INDUCER

 

 

Low Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLACK

 

 

 

 

 

 

 

 

 

 

 

 

 

High Voltage

 

 

 

 

 

 

 

 

 

 

STATUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAULT CONDITION

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

LIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power On

 

 

 

 

 

 

 

 

ON

 

 

 

Limit Circuit Open or External Load On "W"

 

1 FLASH

 

 

 

Pressure Switch is Open with Inducer On

 

2 FLASHES

 

 

 

Pressure Switch is Closed with Inducer Off

 

3 FLASHES

 

 

 

Ignition Failure (Check Ground)

 

 

 

 

 

 

 

4 FLASHES

 

 

 

115 VAC & Neutral Reversed or no Ground

 

5 FLASHES

 

 

 

 

 

 

 

 

 

False Flame or Gas Valve Relay Shorted

 

Continuous

 

 

 

Power Off

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FLAME

 

 

 

FAULT CONDITION

 

 

 

 

 

 

 

YELLOW

 

 

 

 

 

 

 

 

 

 

LIGHT

 

 

 

Low Flame Sensor Signal

 

 

 

 

 

 

 

Continuous

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Flash

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Flame Present

 

 

 

 

 

 

 

 

ON

 

 

TRANSFORMER

 

 

WHITE W/ BLK STRIPES

WHITE

VENT SAFETY SWITCH

 

 

 

 

(SELECT MODELS ONLY)

24 V

120 V

 

BLK W/ WHITE STRIPES

BLACK

 

180 120 90 60

BLACK

Refer to the Installation

Instructions provided

 

 

with the furnace for the

 

 

proper heating and

 

 

cooling speeds for your

 

 

application.

 

 

3 OR 4 SPEED MOTOR

 

 

 

C

 

 

 

 

 

 

 

H

 

 

 

 

 

MH

 

 

 

L

ML

 

 

 

 

 

 

 

 

WHITE

RED

ORANGE

BLUE

BLACK

RED

1

 

 

 

 

 

 

 

 

 

ORANGE

2

 

 

 

 

 

 

 

 

 

BLUE

3

 

 

 

 

 

 

 

 

 

BLACK

4

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

WHITE

6

 

 

 

 

 

 

 

 

 

 

MOTOR

 

 

 

 

 

PLUG

 

 

 

 

These wires are

not present

on all models

If any of the original wire as supplied with the furnace must be replaced, it must be replaced with wiring material having a temperature rating of at least 105 C.

WD# 710355-0

Figure 29. Upflow and Downflow Wiring Diagram

36

Image 36
Contents Installation Instructions What to do if YOU Smell GASPage Table of Contents Furnace Specifications Downflow *RL Furnace Capacities -Furnace Airflow Data G6RC Upflow FurnaceCapacities Safety Information Installation Requirements Requirements and CodesImportant Note Clearances to Combustible Materials Minimum Clearances to Combustible MaterialHorizontal Installations Downflow Warning *RL ModelsLocation Vinyl Cap Grey Tubing Supplyair Plenum Installation Installation on a concrete slab *RLInstallation on a combustible floor *RL Circulating AIR SupplyReturn Air Venting and Combustion AIR RequirementsDownflow Sub-Base Dimensions Furnace on a Wood FloorEquipment in a Confined Air Requirements For One-Pipe Installation Installation In An Unconfined SpaceInstallation In a Confined Space Combustion Air QualityVenting Requirements Solution Vent Pipe MaterialVent Pipe Length and Diameter Seal any unused openings in the vent- ing systemUpflow Furnaces Downflow FurnacesVent Table Vent Pipe Installation Pipe Routing and SupportLocation of Outdoor Terminations Horizontal VentingVertical Venting Page Vent Termination Clearances for Direct Vent Furnaces For appliances 100,00 Btuh 30 kW Vertical Venting Vent Protection= 12 Above Roof or Snow Accumulation Level Vent Freezing ProtectionUpflow Models Drainage of Condensate from Furnace Concentric Vent TerminationSide Wall Vent Kit GAS Supply and Piping Leak CheckManifold Pressure in WC for Natural Gas at Various Altitudes Above Sea LevelConversion High Altitude ApplicationNatural Gas High Altitude Conversion LP/Propane Gas Sea Level and High Altitude ConversionElectrical Wiring Line Voltage WiringLow Voltage Wiring START-UP and Adjustments Start-Up ProcedureVerifying and Adjusting Firing Rate Firing rate = 1040 x 90 = 93,600 BtuhVerifying and Adjusting Temperature Rise Blower Speed Tap LocationVerifying Operation of the Supply Air Limit Switch Verifying Burner OperationDescription of Components Gas Flow RateMaintenance For Upflow and Downflow Residential Furnaces WD#Upflow Furnace Models Downflow Furnace ModelsHeating Mode System Operation InformationSequence of Operation Cooling Mode Fan ModeFurnace Fails to Operate Twinning of Two FurnacesINSTALLATION/PERFORMANCE Check List Fuel Type