Nordyne M1GC 070 - 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.

Summary

Furnace Installation Procedures

Electrical Wiring and Fuel Piping

Electrical Wiring and Connections

Detailed instructions for electrical wiring, power supply, and thermostat connections.

Fuel Piping and Gas Conversion

Requirements for fuel piping installation and procedures for gas conversion.

Lighting, Shutdown, and Operation Sequences

Furnace Lighting and Shutdown Procedures

Step-by-step instructions for lighting, shutting down, and operating the furnace.

Operation Sequences for Different Ignition Types

Describes operation sequences for standing pilot, direct ignition, and oil/gas gun models.

Furnace Controls, Service, and Troubleshooting

Service Guide and Burner Adjustments

Troubleshooting Common Issues and Diagnostics

Guides for diagnosing and resolving common furnace problems and error codes.

Wiring Diagrams and High Altitude Sizing

Furnace Wiring Diagrams

Nordyne M1GC 070 Specifications

General

BTU	70, 000
Efficiency	80%
Blower Motor	Multi-speed
Ignition Type	Direct Spark Ignition
Vent Size	4 inches
Weight	120 lbs
Fuel Type	Natural Gas