Nordyne M3RL 060A AW User Manual

Direct Vent (SeaHed Combustion) Forced Air Gas Furnaces
M3RL Series 90+ Downfiow Condensing Furnace
For installation in:
I. Manufactured Homes
2. Park Models and Manufactured Buildings
3. Modular Homes/Buildings
WARNING:
FiRE OR EXPLOSION HAZARD
Failure to fol!ow safety warnings e×actly could
result in serious injury, death or property
damage.
- Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
-WHAT TO DO mFYOU SMELL GAS
oDo not try to light any appliance.
oDo not touch any electrical switch; do not use any
phone in your building.
, Leave the building immediately.
oImmediately call your gas supplier from a neighbor s
phone. Follow the gas supplier's instructions.
, If you cannot reach your gas supplier, call the fire
department.
-installation and service must be performed by a
qualified installer, service agency, or the gas sup-
plier.
RISQUE D'INCENDmE OU D'EXPLOSmON
Le non-respect des avertissements de s_curit_
pourrait entra_ner des blessutes graves, la
mort ou des dommages mat_rieJs.
- Ne pas entreposer ni utiliser de I'essence ni
d'autres vapeurs ou liquides inflammables dans Ic
voisinage de cet appareil, ni de tout autre apparei
-QUE FAmRE S'IL YA UNE ODEUR DE GAZ
oNe pas tenter d'allumer aucun appareil.
,Ne toucher a aucun interrupteur 61ectdque;
n'utiliser aucun t616phone dans le b_timent.
oE_vacuerI'immeuble immCdiatement.
, Appeler immCdiatement le foumisseur de gaz en
employant le t616phone d'un voisin. Respecter
la lettre les instructions du foumisseur de gaz.
oSi personne ne repond, appeler le service des
incendies.
- Uinstallation et I'entretien doivent Ctre effectues
par un installateur qualifie, un organisme de
service ou le fournisseur de gaz.
BW Models
BWT Models
WARNING:
Shoumd overheating occur, or the
gas suppty fail to shut off, shut
off the manual gas valve to the
appliance before shutting off the
electrical supply.
Improper installation, adjust-
ment, amteration, service or
maintenance can cause injury
or property damage. Refer to
this manual. For assistance or
additional information consult
a qualified installer, service
agency or the gas supplier.
LEAVE THESE mNSTRUCTmONS WroTHTHE HOMEOWNER.

Nordyne M3RL 060A AW Specifications

General

Brand	Nordyne
Model	M3RL 060A AW
Category	Furnace
Input BTU/h	60000
Output BTU/h	48000
AFUE	80%
Fuel Type	Natural Gas
Voltage	115V
Blower Motor Type	PSC
Width	17.5 inches
Depth	28 inches

Summary

General Information

General Furnace Description

Provides a general overview of the M3 series direct vent (sealed combustion) forced air furnaces.

Owner Information and Responsibilities

Details NORDYNE's background and owner's responsibilities for furnace setup and maintenance.

Key Installation Requirements

Outlines essential installation guidelines and safety practices for the furnace.

Applicable Installation Standards

Lists standards and codes that must be followed for proper furnace installation.

Furnace Installation and Ductwork

Furnace Location Requirements

Specifies where the furnace must be installed, including clearances and surface requirements.

Circulating Air Supply and Ductwork

Details requirements for the circulating air supply and ductwork, including safety warnings.

Return Air Provisions

Outlines acceptable return air systems for closet-installed forced air heating appliances.

Air Distribution Systems

Discusses proper air distribution design and register selection for optimal airflow.

Duct Connector Selection

Guides the selection of appropriate duct connectors based on floor cavity dimensions.

Duct Installation Procedures

Provides steps for cutting openings and installing duct connectors for furnace mounting.

Furnace Mounting and Installation

Details the process of placing and securing the furnace onto the installed duct connector.

Venting and Combustion Air

Combustion Air Requirements

Ensures adequate supply of air for combustion and ventilation, adhering to codes.

Venting Requirements

Specifies installation requirements for 2-pipe combustion air piping and sealed venting systems.

Vent Pipe Material and Installation

Covers approved vent pipe materials and proper routing, support, and slope for installation.

Outdoor Vent Termination Locations

Details minimum distances for vent terminations from windows, doors, and air inlets.

Gas Supply, Conversion, and Lighting

Condensate Drainage System

Describes how to drain condensate from the furnace and precautions against freezing.

Gas Supply and Piping Installation

Covers gas entry options, installation compliance with codes, and leak testing procedures.

Furnace Fuel Conversion

Details how to convert the furnace between natural gas and LP gas, including orifice changes.

Appliance Lighting and Adjustment

Guides on turning on the gas, checking for leaks, and initiating the heating cycle.

Manifold Pressure Settings

Explains manifold pressure settings for natural gas and LP gas conversions.

Electrical Wiring and Start-Up

General Electrical Wiring

Covers electrical connection compliance with codes, grounding, and wire specifications.

Line Voltage Wiring

Details line voltage supply, circuit breaker requirements, and switch accessibility.

Low Voltage Wiring

Explains thermostat wiring connections for heating-only and heating/cooling applications.

Ventilation Requirements

Details ventilation requirements for HUD manufactured homes and optional accessories.

Start-Up and Adjustments

Provides pre-start-up checks, start-up procedure, and shutdown instructions.

Verifying Firing Rate

Explains how to verify and adjust the furnace firing rate to prevent over-firing.

Verifying Temperature Rise

Guides on verifying temperature rise and adjusting blower speed for optimal performance.

System Operation, Components, and Maintenance

Description of Major Components

Identifies and describes the function of key furnace components.

Furnace Accessory Kits

Lists available accessory kits with their order numbers for installation.

Recommended Maintenance

Outlines recommended yearly checks and specific maintenance tasks for optimal performance.

System Operation Information

Covers general maintenance, sequence of operation for heating, cooling, and fan modes.

Furnace Fails to Operate Troubleshooting

Provides troubleshooting steps for common furnace operational issues and lockout conditions.

Installation/Performance Checklist