Nordyne M1MC 090 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 090 Specifications

General

Brand	Nordyne
Model	M1MC 090
Category	Furnace
Language	English

Summary

SPECIFICATIONS AND OWNER INFORMATION

General Description

Overview of M1 Series gas and oil furnaces for manufactured homes and RVs.

OWNER INFORMATION & WARRANTY

Information for owners regarding furnace operation, warranty, and responsibilities.

INSTALLATION STANDARDS AND REQUIREMENTS

INSTALLATION STANDARDS

Guidelines and compliance requirements for installing heating appliances.

UNIT LOCATION AND CLEARANCES

Specifies requirements for furnace placement, clearances, and return air provisions.

AIR DISTRIBUTION AND VENTING

Details on duct systems, roof jacks, duct connectors, and transit-mode venting.

INSTALLATION PROCEDURES

Step-by-step guidance for installing the furnace, roof jack, and venting system.

ELECTRICAL AND FUEL SYSTEMS

ELECTRICAL WIRING

Instructions for connecting power supply and thermostat wiring.

FUEL PIPING AND HANDLING

Guidelines for fuel line installation, oil tank setup, and leak prevention.

OPERATION AND SAFETY PROCEDURES

FLUE GAS SAMPLING

Procedure for taking flue gas samples to check furnace performance.

LIGHTING AND SHUTDOWN

Instructions for safely lighting, operating, and shutting down the furnace.

SEQUENCE OF OPERATION

Describes how the furnace operates during heating calls for different ignition types.

OPERATING INSTRUCTIONS FOR OIL AND GAS GUN FURNACE

Specific operating steps for oil and gas gun furnace models.

SERVICE GUIDE AND MAINTENANCE

SERVICE GUIDE

Guidance on burner adjustments, combustion air, gas conversion, and troubleshooting.

MAINTENANCE

Routine maintenance tasks for homeowners and recommended service for technicians.

OPTIONAL ACCESSORIES

Central Air Conditioner Integration

Information on accessories, particularly for use with central air conditioning.

WIRING DIAGRAMS

EQUIVALENT ORIFICE SIZES AT HIGH ALTITUDES