Nordyne M1SB 086 User Manual

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 fi re or explosion
may result causing property damage,
personal injury or loss of life.
– Do not store or use gasoline or
other fl ammable vapors and liquids
in the vicinity of this or any other
appliance.
– 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 fi re department.
– Installation and service must be
performed by a qualifi ed installer,
service agency or the gas sup-
plier.
WARNING:
Should overheating occur, or the gas
supply fail to shut off, shut off the man-
ual gas valve to the appliance before
shutting off the electrical supply.
WARNING:
Improper installation, adjustment,
alteration, service or maintenance
can cause injury or property damage.
Refer to this manual. For assistance
or additional information consult a
qualifi ed installer, service agency or
the gas supplier.
Owners Manual/Installation Instructions
Series M1B, M1G, M1M and M1S
Downfl ow, Direct Vent (Sealed Combustion)
Forced Air Gas and Oil Furnaces
LEAVE THESE INSTRUCTIONS WITH THE HOMEOWNER.

Nordyne M1SB 086 Specifications

General

Brand	Nordyne
Model	M1SB 086
Category	Furnace
Language	English

Summary

Safety Warnings and Precautions

Fire and Explosion Hazards

Details critical safety information regarding fire and explosion risks.

Gas Leak Procedures

Instructions on what to do and not do if a gas leak is detected.

Appliance Handling and Service Safety

Emphasizes safe handling and service by qualified personnel to prevent hazards.

Specifications and General Description

Manufacturer Warranty and Owner's Responsibilities

Outlines the warranty details and the homeowner's responsibilities for proper setup and operation.

Installation Standards and Requirements

Applicable Installation Standards

Lists federal and national standards that must be complied with during installation.

Furnace and Roof Jack Installation

Furnace Mounting and Securing

Roof Jack Assembly and Flashing

Guidance on assembling and installing the roof jack, including proper flashing and sealing.

Transit-Mode Venting System Installation

Transit-Mode Venting Components

Details on installing the transit-mode weather cap and upper roof jack crown.

Transit-Mode Weather Cap Installation

Electrical Wiring Connections

Power Supply Wiring

Steps for connecting the main power supply wires to the furnace control box.

Thermostat Wiring

Instructions for connecting thermostat wires to the furnace's low-voltage terminals.

Electrical Wiring Details

Power Supply and Thermostat Wiring

Detailed steps for connecting power supply and thermostat wires, including safety precautions.

Fuel Piping Requirements

Fuel Piping Installation Standards

Guidelines for sizing and installing fuel lines according to federal, state, and local regulations.

Fuel Piping and Oil Tank Installation

Natural Gas and LP Gas Pressure

Oil Tank and Piping Installation

Lighting and Shutdown Instructions

Safety Information Before Lighting

Crucial safety information to read before attempting to light the furnace.

Standing Pilot Lighting Instructions

Step-by-step guide for lighting furnaces equipped with a standing pilot.

Lighting and Shutdown Procedures

Turning Off the Gas Appliance

Instructions on how to safely turn off the gas supply to the appliance.

Standing Pilot Sequence of Operation

Describes the operational sequence for furnaces with standing pilot ignition.

Direct Ignition Furnace Operation

Standing Pilot with Induced Draft Operation

Explains the sequence of operation for pilot ignition with induced draft blowers.

Direct Ignition Model Operating Instructions

Specific operating instructions for M1M models with direct ignition systems.

Direct Ignition Sequence of Operation

Details the operational sequence for furnaces with direct ignition and hot surface ignitors.

Oil and Gas Gun Furnace Operation

Oil Gun Furnace Operation

Instructions for operating oil gun furnaces, including safety checks and startup procedures.

Oil Gun Sequence of Operation

Outlines the sequence of operation for oil furnaces using Honeywell R7184 or Beckett 7505 controls.

Gas Gun Furnace Operation and Safety

Gas Gun Furnace Operation Steps

Instructions for operating gas gun furnaces, including pre-operation checks and startup.

Gas Gun Sequence of Operation

Describes the ignition sequence and operation for gas gun furnaces.

Turning Off Gas/Oil Appliances

Burner Adjustments and Service

Gas Pressure and Pilot Flame Adjustment

Gas Conversion Procedures

Converting Atmospheric and Direct Ignition Furnaces

Step-by-step guide for converting furnaces from natural gas to LP gas.

Troubleshooting Standing Pilot Models

Main Burner Not Igniting

Gas Valve Issues

Troubleshooting Furnace Operation Issues

Main Flame Ignition and Burner Lockout

Addresses issues where the main flame ignites but the burner locks out or short cycles.

Burner Motor and Combustion Blower Failures

Ignitor, Gas Valve, and Airflow Issues

Troubleshooting for ignitor heating, gas valve, and airflow problems causing insufficient heat.

Troubleshooting Specific Furnace Problems

Burner Flame Without Motor Operation

Circulation Blower Issues

Oil Gun Burner Start-Up Failures