Nordyne M1MC 056 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 M1MC 056 Specifications

General

Brand	Nordyne
Model	M1MC 056
Category	Furnace
Language	English

Summary

Installation Standards

Installation

Install Furnace Mounting Plate

Install Furnace

Installing Platinum Series 14" Round Duct Connector

Install Roof Jack

Installing Screw Down Duct Connector

Installation of Transit-Mode Venting System

Electrical Wiring

Connect Power Supply Wires

Steps for connecting the main power supply to the furnace.

Connect Thermostat Wires

Procedure for connecting thermostat wiring.

Fuel Piping

Oil Tank and Piping Installation

Lighting and Shutdown General-All Models

Safety Information Before Lighting

Crucial safety information before attempting to light the furnace.

Turn Off Gas to Appliance

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

Lighting Instructions for Standing Pilot Models

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

Sequence of Operation for Standing Pilot

Sequence of Operation for Standing Pilot w/Induced Draft Blowers

General-Direct Ignition Models

Operating Instructions for M1M Models with Direct Ignition

Instructions for operating M1M models with direct ignition.

Operating Instructions for Oil and Gas Gun Furnace

Operating instructions for oil and gas gun furnaces.

Sequence of Operation for Oil Gun Models

Gas Gun Models

To Turn Off Gas/Oil Appliance

Sequence of Operation for Gas Gun Models

The Furnace Controls and Functions

Service Guide

Burner Adjustments

Procedures for adjusting burner settings and gas pressure.

Gas Conversion

Troubleshooting - Standing Pilot Models

Main Burner Does Not Come On

Steps to troubleshoot when the main burner does not ignite.

Gas Valve Powered (24 volts)- No Main Flame

Pilot Will Not Light or Goes Out

Troubleshooting - Direct Ignition Furnaces

Burner Operation Issues

Addresses problems with burner motor, combustion blower, and flame stability.

Ignition and Power Issues

Gas Flow Issues

Burner Flame Without Motor Running

Circulation Air Blower Will Not Operate Even Though The Burner Does Operate

Burner Does Not Start With a Call for Heat (Oil Gun)

Burner Locks Out on Safety (Oil Gun)

Maintenance

Maintenance By Homeowner

Maintenance By Serviceman

Wiring Diagrams

Wiring Diagram