Nordyne M1B, M1G, M1S, M1M owner manual Leave These Instructions with the Homeowner

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Downflow, Direct Vent (Sealed Combustion) Forced Air Gas and Oil Furnaces

Owners Manual/Installation Instructions

Series M1B, M1G, M1M and M1S

For installation in:

1. Manufactured Homes

2. Recreational Vehicles, Park Models, Manufactured Buildings

3. Modular Homes/Buildings

! WARNING:

If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

–Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appli- ance.

–WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any phone in your build- ing.

•Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

•If you cannot reach your gas sup-

plier, call the fire department.

–Installation and service must be per- formed by a qualified installer, ser- vice agency or the gas supplier.

!WARNING:

Should overheating occur, or the gas supply fail to shut off, shut off the manual gas valve to the appliance before shutting off the electrical sup- ply.

!WARNING:

Improper installation, adjustment, al- teration, service or maintenance can cause injury or property damage. Re- fer to this manual. For assistance or additional information consult a quali- fied installer, service agency or the gas supplier.

LEAVE THESE INSTRUCTIONS WITH THE HOMEOWNER.

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Contents Leave These Instructions with the Homeowner B 056 a B W Table of ContentsMANUFACTURERWARRANTY, OWNER’S Responsibilities SpecificationsOwner Information about Your Central Furnace System General DescriptionNat M1 Furnace SpecificationsField Installation Blower Assemblies Installation StandardsCould cause unsafe operation, explo You feel that the furnace is not operMinimum Clearances Unit LocationReturn AIR Provisions Minimum Clearances27 45 All Weather Roof Jack AssembliesRoof Jack Selection AIR Distribution SystemsApplication Notes Slant Deck FlashingsNON-PLATINUM Series Duct Connector Selection Platinum SeriesCloset or Alcove CUT OUT Floor Opening & Fuel Line Hole InstallationNon-Platinum Series Alternate Attachment Methods Install Roof Jack Install FurnaceManufactured Home Factory Installation of TRANSIT- Mode Venting SystemManufactured Home Site Connect Power Supply Wires Electrical WiringConnect Thermostat Wires Control Panel All Models Fuel PipingTypical Gas Piping Thermostat Wire GaugeTypical Oil Piping for Above Ground Single-Line Supply How to Eliminate Air Leaks Hook-Up Procedure See FigureFuel Oil Type Lighting and Shutdown Flue GAS SamplingGENERAL-ALL Models Lighting Instructions for STAND- ING Pilot ModelsStanding Pilot Valve Sequence of Operation for STAND- ING PilotFurnace if YOU Smell GAS GENERAL-DIRECT Ignition ModelsOperating instructions for M1M Models with Direct IgnitionOil Gun Model Operating Instructions for OIL and GAS GUN FurnaceSequence of Operation for OIL GUN Models Oil Furnace Honeywell R7184 ControlFurnace Controls and FUNC- Tions Sequence of Operation for GAS GUN ModelsBurner Adjustments Service GuideFactory Combustion Air Settings Combustion AIROil Gun Only Electrode Setting Oil Gun OnlyGAS Conversion Atmospheric and Direct Ignition FurnacesBurner Adjustments Troubleshooting Standing Pilot ModelsControl Module Status Indicators M1M Series Control Module Is Powered Ignitor Does Not Heat Up Troubleshooting Direct Ignition Furnaces Including GAS GUNCad Cell Resistance when Sensing flame Troubleshooting OIL GUNOptional Accessories MaintenanceBy Serviceman Additional OIL Furnace MaintenanceDamper without Coil Cavity Non-Platinum Series Only Coil Cavity Damper Non-Platinum Series OnlyCooling Speed/ Evap Coil Wiring Diagrams M1GH 077, 090 Models 710150 08/00 710151 08/00 Blower WireTable Gas and Oil Furnaces, A/C Ready M1 B, S 066, 086 Models High Altitude Equivalent Orifice Sizes AT High Altitudes
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M1M, M1S, M1B, M1G specifications

Nordyne, a renowned player in the HVAC industry, has introduced a range of high-efficiency gas furnaces, including the M1S, M1G, M1B, and M1M models. Each of these furnaces is designed to provide efficient heating solutions tailored to the needs of homeowners.

The M1S series is well-known for its reliability and performance. It features a single-stage heating process that delivers consistent warmth to any space. With its multi-speed blower, the M1S ensures quiet and comfortable airflow, adapting seamlessly to varying temperature demands. Its robust construction coupled with an energy-efficient design makes it an ideal choice for those looking for dependable heating without sky-high utility bills.

The M1G model steps it up with a two-stage heating system that offers enhanced comfort and efficiency. By operating at a lower speed during milder conditions, the M1G can effectively reduce energy consumption while still maintaining a cozy environment. It is equipped with a variable-speed blower that not only enhances efficiency but also minimizes noise, making it perfect for residential areas. The M1G is designed with advanced safety features, including an integrated control board that monitors furnace functions to ensure optimal performance.

For those seeking a budget-friendly option without compromising on quality, the M1B model provides a solid performance with its straightforward, reliable single-stage heating. While it may lack some of the advanced features found in higher-end models, the M1B is built for ease of use with straightforward controls and maintenance, making it a great option for families.

The M1M model integrates cutting-edge technology with a focus on maximum efficiency. Featuring a modulating gas valve, this model can adjust its output based on real-time heating requirements. This adaptability ensures that the furnace operates at peak efficiency, significantly lowering energy bills and improving overall comfort. The M1M also boasts advanced diagnostic capabilities that allow for easy troubleshooting, thus reducing maintenance time and costs.

In summary, Nordyne's M1 series furnaces—M1S, M1G, M1B, and M1M—offer a range of options to meet diverse heating needs. With technologies designed for efficiency, reliability, and comfort, Nordyne continues to solidify its reputation as a leader in the HVAC market, providing homeowners with effective heating solutions tailored to their lifestyles and budgets.
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