Manuals / Nordyne / Household Appliance / Air Conditioner

Nordyne M1M, M1B, M1S owner manual M1GH 077, 090 Models, 703888C

Models: M1M M1S M1B M1G

1 40

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M1GH 077, 090 Models.

NOTES

1.Incoming power must be polarized. Observe color coding. (See furnace data label for electrical information.)

BLOWER

MOTOR

HEATINGAUX. LIMIT ONLY

2. If any of the original wires (as supplied with

BLACK

BLUE

the appliance) must be replaced, use 105˚C

Thermoplastic type wire or its equivalent.

ON/OFF

SWITCH

CONNECTOR

HOUSING CAP

WHITE

BLACK

GRAY

WHITE

BLUE

RED

BLUE

3A FUSE

BLACK

GRAY

HI-LIMIT

FAN

BLACK

SWITCH

BLACK

GRAY

RED

COMBUSTION

BLACK

1 2

TRANSFORMER

24 V

FAN

SUPPLIED BY

BLACK

115 V N

INSTALLER

WHITE

ORANGE

WHITE

NEUTRAL

ORANGE

PRESSURE

WHITE

SWITCH

BLACK

GRAY

GROUND

BLUE

SCREW

BUSHING	FURNACE ELECTRICAL BOX
BUSHING
GAS VALVE	LEGENDS
GAS VALVE	115V:	FIELD 115V:
FAN ON/AUTO	24V:	FIELD 24V:
SWITCH

703888C

Figure 41. Standing Pilot with Induced Draft Furnace, M1GH 077, 090 Models

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Nordyne M1M, M1B, M1S owner manual M1GH 077, 090 Models, 703888C

Contents

WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Series M1B, M1G, M1M and M1SLEAVE THESE INSTRUCTIONS WITH THE HOMEOWNER Owners Manual/Installation InstructionsM 1 M B - 056 A - B W TABLE OF CONTENTS2. OWNER INFORMATION ABOUT YOUR CENTRAL FURNACE SYSTEM NOTICE TO INSTALLER1.SPECIFICATIONS 3. MANUFACTURERWARRANTY, OWNER’S RESPONSIBILITIESTable 2. M1 Furnace Specifications A/C Capacity 4.INSTALLATION STANDARDSBlower / Motor Assembly service agency or gas utility for asTable 4. Minimum Clearances 5.UNIT LOCATION6.MINIMUM CLEARANCES 7.RETURN AIR PROVISIONS27 45 Figure 6. Roof Jack AssembliesAll Weather Roof Jack Assemblies S O TAPPLICATION NOTES 8.AIR DISTRIBUTION SYSTEMS9.ROOF JACK SELECTION HAZARD OF ASPHYXIATION Do not cover or restrict return air openingFLOOR CAVITY depth equal to X in Figure 11 and Table 10. DUCT CONNECTOR SELECTION PLATINUM SERIESNON-PLATINUM SERIES Top View of Finger Tab Duct ConnectorFURNACE OUTLINE Figure 12. Closet or AlcoveFigure 13. Cut-Out Locations Non-Platinum Series 11. INSTALLATIONFigure 15. Duct Connector Figure 14. Mounting PlateALTERNATE ATTACHMENT METHODS Figure 16. Installation of Duct Connector1. INSERT DUCT CONNECTOR INTO DUCT CUT-OUT 2. BEND BOTTOM TABS OVER AND ONTO THE UNDERNEATH DUCT SERVICE2. Fold the duct flap “B” up, See Step Figure 21. Flat Roof 12. INSTALLATION OF TRANSIT- MODE VENTING SYSTEMFigure 19. “A”, “B”, & Platinum Cabinet Furnaces Figure 20. “A” Cabinet Furnace on Coil Cabinet Non-Platinum Series13. ELECTRICAL WIRING Thermostat Wires Furnace Control Box To Combustion Blower or 14. FUEL PIPINGOn-Off Switch Blower Plug Power Entry On-Auto Switch Heating Models OnlyT’STAT Oil Tank and Piping InstallationRecommended T’STAT Wire Table 8. Thermostat Wire GaugeDrain port plug and repeat priming procedureFigure 27. Typical Oil Piping for Above Ground Single-Line Supply 2 DuplexDO NOT USE GASOLINE, CRANKCASE OIL, OR ANY OIL CONTAINING GASOLINE Hook-Up Procedure See FigureHow to Eliminate Air Leaks Fuel Oil TypeFOR YOUR SAFETY READ BEFORE LIGHT- ING 15. FLUE GAS SAMPLING16. LIGHTING AND SHUTDOWN FURNACE IF YOU SMELL GAS SAFETY INFORMATIONFigure 29. Lighting Furnace Pilot BracketSEQUENCE OF OPERATION FOR STAND- ING PILOT Figure 28. Standing Pilot ValveFigure 30. Direct Ignition Gas Valve - Honeywell Gas Control GENERAL-DIRECT IGNITION MODELSFURNACE IF YOU SMELL GAS Operating instructions for M1M - MODELS WITH DIRECT IGNITIONDo not try to light this furnace manually FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GASDo not try to light any appliance OPERATING INSTRUCTIONS FOR OIL AND GAS GUN FURNACE Oil Gun ModelTHE FURNACE CONTROLS AND FUNC- TIONS DANGERSEQUENCE OF OPERATION FOR GAS GUN MODELS Model 17. SERVICE GUIDEBURNER ADJUSTMENTS Table 9. Factory Combustion Air SettingsOil Gun Only ValveElectrode Setting Oil Gun Only HoneywellFigure 34. Convertible Pressure Regulator Robertshaw ValveTROUBLESHOOTING - STANDING PILOT MODELS Gas Valve Powered 24 volts- No Main FlameControl Status Control Module Status Indicators - M1M SeriesControl Module Status Indicator - M1B Control Module Status Indicator - M1S* SeriesBurner Motor Does Not Run Thermostat Calls For Heat TROUBLESHOOTING DIRECT IGNITION FURNACES INCLUDING GAS GUNControl Module Is Powered Ignitor Does Not Heat Up Burner Short Cycling Thermostat Calls for Heat, Limit Switches ClosedFigure 35. Periodic Cleaning TROUBLESHOOTING - OIL GUNTable 10. Cad Cell Resistance when sensing flame ADDITIONAL OIL FURNACE MAINTENANCE 18. MAINTENANCE19. OPTIONAL ACCESSORIES By ServicemanFigure 37. Coil Cavity Damper Non-Platinum Series Only Figure 39. Thermostat Wiring A/C Ready ModelsPlatinum Ready Wiring Standard WiringBlower Speed Selection Chart for M1*B Models and 703887B 20. WIRING DIAGRAMSFigure 40. Gas Atmospheric Furnace, M1GH 056, 070 Models 703888C M1GH 077, 090 Models1 2 3 4 5 710150 08/001 2 3 4 5 G R C710151 08/00 1. Incoming power must be polarized2. If any of the original wires as supplied use 105˚C Thermoplastic type wire orM1MA Blower WireTableBlower Wire Connections 710152 07/01BUSHING Figure 45. Gas and Oil Furnaces, A/C Ready - M1 B, S 066, 086 ModelsOIL GUN BURNER GAS GUN BURNERReference Sources ANSI Z233.1 & NFPA 54, National Fuel Gas Code 21. EQUIVALENT ORIFICE SIZES AT HIGH ALTITUDES¢708672¤ Includes 4% Input Reduction for Each 1,000 Feet