Nordyne M1B, M1G, M1M Installation Instructions Manual

Nordyne M1B, M1G, M1M Installation Instructions Manual

M1b, m1m, m5s, m1g, series downflow, direct vent (sealed combustion) forced air gas & oil furnaces
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Downfl ow, Direct Vent (Sealed Combustion)
Forced Air Gas & Oil Furnaces

Installation Instructions

Series M1B, M1G, M1M & M5S
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
building.
• Leave the building immediately.
• Immediately call your gas supplier
from a neighbors phone. Follow
the gas suppliers instructions.
• If you cannot reach your gas
supplier, call the fi re department
DO NOT DESTROY. PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
• Manufactured Homes
• Recreational Vehicles, Park Models, &
Manufactured Buildings
• Modular Homes/Buildings
ATTENTION INSTALLERS:
It is your responsibility to know this product
better than your customer. This includes
being able to install the product according
to strict safety guidelines and instructing the
customer on how to operate and maintain the
equipment for the life of the product. Safety
should always be the deciding factor when
installing this product and using common
sense plays an important role as well. Pay
attention to all safety warnings and any other
special notes highlighted in the manual.
Improper installation of the furnace or failure
to follow safety warnings could result in
serious injury, death, or property damage.
These instructions are primarily intended
to assist qualifi ed individuals experienced
in the proper installation of this appliance.
Some local codes require licensed
installation/service personnel for this type
of equipment. Please read all instructions
carefully before starting the installation.
Return these instructions to the customer's
package for future reference.
!
WARNING:
FIRE OR EXPLOSION HAZARD
• Failure to follow safety warnings
exactly could result in serious
injury or property damage.
• Installation and service must
be performed by a qualified
installer, service agency or the
gas supplier.
• Do not store or use gasoline
or other fl ammable vapors and
liquids in the vicinity of this or
any other appliance.
For installation in:

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Summary of Contents for Nordyne M1B, M1G, M1M

  • Page 1: Installation Instructions

    Downfl ow, Direct Vent (Sealed Combustion) Forced Air Gas & Oil Furnaces Installation Instructions For installation in: Series M1B, M1G, M1M & M5S • Manufactured Homes • Recreational Vehicles, Park Models, & Manufactured Buildings • Modular Homes/Buildings ATTENTION INSTALLERS: It is your responsibility to know this product better than your customer.
  • Page 2: Table Of Contents

    SAFETY INFORMATION ......3 Operating Instructions - Oil Gun ....22 Operating Instructions - Gas Gun ....22 REQUIREMENTS & CODES ......3 How to Shut Off Gas - Gas Gun ...22 Burner Adjustments .........22 GENERAL INFORMATION ......5 Gas Pressure ........22 Warranty Information ........
  • Page 3: Safety Information

    SAFETY INFORMATION WARNING: Safety markings are used frequently throughout this manual to designate a degree or level of seriousness and should not be ignored. Do not use this appliance if any WARNING indicates a potentially hazardous part has been submerged under situation that if not avoided, could result in water.
  • Page 4 a.) A carbon monoxide (CO) detector and copy of the installation instructions shall alarm shall be placed on each fl oor remain with the appliance or equipment level where there are bedrooms. The at the completion of the installation. detector shall comply with NFPA 720 The information listed below is for reference (2005 Edition) and be mounted in the purposes only and does not necessarily have...
  • Page 5: General Information

    A A warranty certifi cate with full details is included fully louvered closet door may be used. See with these instructions. However, NORDYNE Circulating Air Requirements (page 7). will not be responsible for any costs found...
  • Page 6: Applications

    Figure 2. Closet Installation • Furnace may be installed on combustible flooring when using NORDYNE Duct Provide min. 250 Connectors. See pages 9 & 10. sq. in. (1613 cm ) 6"...
  • Page 7: Circulating Air Requirements

    • The return air opening into the closet shall not tain necessary airflow. Use NORDYNE’s be less than specifi ed in the appliance’s listing. certiduct program to determine proper duct •...
  • Page 8: Furnace Installation

    6. Measure and drill gas hole. and cut out for cooling • M1/M5 models must be installed with the Nordyne coil (if applicable). See Figures 6 or 7 (page 9). A/C coil box which are listed according to the cabinet size of the furnace: “B”...
  • Page 9: Standard Duct Connector Installation

    20" 14 1/2" 2 3/4" FLOOR OPENING “X” REAR WALL OF CLOSET OR ALCOVE SUPPLY AIR DUCT 2 1/4" FLOOR CAVITY Figure 9. Floor Cavity FLOOR CUT-OUT FOR STANDARD DUCT CONNECTORS Duct Connector If Floor Cavity Type & Part Number “X”...
  • Page 10: Alternate Attachment Method

    Staples or sheet metal screws Duct connector tabs DUCT CONNECTOR Narrow Narrow Duct SUPPLY Duct Duct AIR DUCT Flap Duct BEND TABS TIGHTLY Connector AGAINST SUPPLY AIR DUCT Sheet metal Narrow screws Duct Figure 10. Duct Connector Tabs Figure 12. Narrow Ducts Alternate Attachment Method Round Duct Connector Installation The standard duct connector is designed for...
  • Page 11: Roof Jack Installation

    ROOF JACK INSTALLATION SCREWS MOUNTING Required ceiling and roof cut-out openings (see PLATE DUCT Figure 11) must be carefully located to avoid CONNECTOR misalignment of the furnace and Roof Jack. Note: Install only Roof Jack Assemblies listed in Table 4 on this heating appliance. FUEL Roof Jack Selection LINE...
  • Page 12: Locating & Cutting Roof Openings

    7” (HUD snowload zones) use an external roof jack extension (p/n 901937). 24" Extensions are optional accessories and may be purchased through your NORDYNE distributor. Locating and Cutting Roof & Ceiling Openings FURNACE DO NOT ALLOW DEBRIS TO FALL INTO THE...
  • Page 13: Installing The Roof Jack

    Installing The Roof Jack Secure roof jack with 1. Apply caulking compound on underside of roof appropriate fasteners fl ashing to form a continuous strip at least 3/8” after connecting to furnace wide around the underside of the perimeter of the fl...
  • Page 14: Electrical Information

    4. The four warning tags supplied must be ELECTRICAL INFORMATION installed as follows: WARNING: • To weather cap • To fuel line connection point (Gas) or furnace burner (Oil) To avoid electric shock, personal • To furnace fl ame observation door (Gas or injury, or death, turn off the electric Oil) power at the disconnect or the...
  • Page 15: Connecting Power Supply Wires

    Connecting Power Supply Wires Verifying Anticipator Setting 1. Remove the furnace control panel cover. After the furnace is installed, check the thermostat 2. Route wires (115 VAC) through the strain anticipator against the nominal setting of 0.4. relief on the left side of the furnace control box 1.
  • Page 16: Fuel Supply And Piping

    FUEL SUPPLY AND PIPING Fuel line installations other than typical installations shown in Figures 26 and 27 (page 17) must comply with the fuel piping WARNING: provisions stated in the Federal Manufactured Home Standard (H.U.D. TITLE 24, PART 280) All piping must conform with local and the National Fuel Gas Code (ANSI-Z223.1/ building codes, or in the absence NFPA-54).
  • Page 17: Oil Tank & Piping Istallation

    For L.P. gas, pressure to the gas valve must be One Line System more than 11” W.C. but not more than 13” W.C. The one line system is highly recommended Pressure is reduced to 10” W.C. by the pressure where vertical lift, from bottom of tank to pump, regulator in the gas valve.
  • Page 18: Leak Check

    5. Open the furnace door and connect the oil line to a dedicated pump prime mode, during to the intake port on the pump. Tighten other which the motor, igniter and valve are powered port plugs on the pump. NOTE: Verify the oil for 4 minutes.
  • Page 19: High Altitude Conversion

    6. For Honeywell gas valves with the regulator converter (Figure 28, page 19): a. Unscrew the pressure regulator cap and check for the letters NAT or LP. PRESSURE OTHER SIDE REGULATOR b. Invert the cap and tighten until snug. OF CAP 7.
  • Page 20: Startup & Adjustments

    STARTUP AND ADJUSTMENTS Lighting Instructions - Standing Pilot Models. 1. Set the thermostat to the lowest setting. PLEASE READ ALL SAFETY INFORMATION 2. Turn off all electric power to the appliance. BEFORE LIGHTING THE FURNACE 3. Remove the furnace door. 4.
  • Page 21: How To Shut Off Gas - Pilot Models

    12. Set the thermostat mode to HEAT or a desired 1. Set the thermostat to the lowest setting. temperature setting and then ON. 2. Turn off all electric power to the appliance. 3. Remove the furnace door and turn off the gas valve: WARNING: •...
  • Page 22: How To Shut Off Gas - Direct Ignition

    How to Shut Off Gas - Direct Ignition 7. Turn electric power to the appliance ON. 1. Set the thermostat to the lowest setting. 8. Set the thermostat to HEAT and/or the desired 2. Turn off all electric power to the appliance temperature setting.
  • Page 23: Combustion Air

    Combustion Air The Smoke should be N0. 0 on the Bacharach In order for the fl ame to burn effi ciently, it must Scale, and 0 to 0.02 negative draft over fi re. receive adequate combustion air. The amount Electrode Setting (Oil Gun Only) of combustion air required varies according to Poor ignition of the oil spray may result if the altitude, actual B.T.U.
  • Page 24: Operating Sequence

    OPERATING SEQUENCE Oil Gun Furnace with Honeywell R7184 / Beckett 7505 Control - M5S Models Standing Pilot 1. When a call for heat is initiated, there is a 2 1 On a call for heat, the thermostat contacts to 6 second delay while the control performs close, supplying 24 VAC to the gas valve.When a safe start check.
  • Page 25: Furnace Controls & Functions

    4. When call for heat is satisfi ed, the thermostat Roll Out Switch (M1G - 056 & 070) contacts open and the gas valve shuts off gas The furnace is protected by a manual reset safety fl ow. switch located on the bottom left hand side of the combustion pipe.
  • Page 26: Troubleshooting

    TROUBLESHOOTING High Gas Bills a. Verify the proper orifi ces are being used. Standing Pilot Models b. Check the return air system. Is it clear and Main Burner Does Not Ignite free of blockage? 1. Check the electrical supply to the furnace. c.
  • Page 27: Oil Gun Models

    120 VAC Is Available At AMP Plug - Ignitor Circulation Air Blower Will Not Operate Even Does Not Heat Up Though The Burner Does Operate 1. Disconnect power to the furnace. • Check thermostat G connection. 2. Disconnect AMP plug to the ignitor, and check •...
  • Page 28: Optional Accessories

    Burner will not start and the LED indicator is (NORDYNE p/n 901996 for furnaces without coil cavity, or p/n 901083 with coil cavity). See Figure fl ashing at 2 seconds on, 2 seconds off for 36 or 37.
  • Page 29 Control Module Status Indicators - M1M Series Red LED Indicator Status Steady ON Control OK Steady OFF No power Rapid fl ash False fl ame or internal control fault One fl ash Limit switch is open Two fl ashes Pressure switch is open Three fl...
  • Page 30: Maintenance

    Ask your in the certifi cation of this appliance dealer or contractor about NORDYNE add-on may create a hazard, invalidate central air conditioning systems. the certification, and in many Single package unit includes cooling coils, states, make installations illegal.
  • Page 31: Figure & Tables

    FIGURES & TABLES Table 10. M1/M5 Furnace Specifi cations - Factory Settings...
  • Page 32 ALTITUDE - FEET FURNACE ORIFICE SIZE AND MODEL OUTPUT CAPACITY 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 LEVEL Orifi ce Size - Nat. Gas M1M/M1G Orifi ce Size - LP - 056 Output - MBTUH 45.4 41.8 40.1 38.5 37.0 35.5 34.1 32.7 31.4 30.2 Orifi...
  • Page 33: Gas Information

    GAS INFORMATION GAS FLOW RATES GAS FLOW RATES CUBIC FEET PER CUBIC FEET PER TIME FOR TIME FOR REVOLUTION REVOLUTION ONE REVOLUTION ONE REVOLUTION OF GAS METER OF GAS METER (SECONDS) (SECONDS) 1,800 3,600 1,500 3,000 12,86 2,571 1,125 2,250 1,000 2,000 1,800...
  • Page 34: Wiring Diagrams

    WIRING DIAGRAMS BLUE FUSE WHITE GRAY BLACK BLACK BLACK BLACK Figure 40. Gas Atmospheric Furnace, M1GH 056, 070 Models...
  • Page 35 BLACK BLACK BLACK WHITE FUSE GRAY BLACK BLACK BLACK BLACK Figure 41. Standing Pilot with Induced Draft Furnace, M1GH 077, 090 Models...
  • Page 36 WHITE (MED. ORANGE (MED. BLUE (HIGH) BLACK (LOW) GREEN WHITE FUSE GRAY WHITE (LOW) ORANGE (MED. BLUE (HIGH) BLACK BLACK BLACK Figure 42. Gas Atmospheric Furnace, A/C Ready, M1GB 056, 070 Models...
  • Page 37 Figure 43. Standing Pilot with Induced Draft Furnace, A/C Ready M1G (B, C, D) 077, 090 Models...
  • Page 38 Figure 44. Gas Direct Ignition Furnace, Heating & A/C Ready - All M1M Models...
  • Page 39 BUSHING BLACK BLACK GREEN WHITE FUSE GREEN GRAY GRAY WHITE (MED ORANGE (MED. BLUE (HIGH) BLACK (LO) NOTE (SEE BLACK WHITE (LO) (MEDHI) BLUE (HI) BLACK BLACK Figure 45. Gas and Oil Furnaces, A/C Ready - M1B & M5S (066, 086) Models...
  • Page 40: Installation Checklist

    INSTALLATION / PERFORMANCE CHECK LIST ELECTRICAL SYSTEM: INSTALLER NAME: Electrical connections tight? Line voltage polarity correct? CITY _______________ STATE ____________ INSTALLATION ADDRESS: Supply Voltage: ______________________ VOLTS Has the thermostat been calibrated? CITY _______________ STATE ____________ Is the thermostat level? Is the heat anticipator setting UNIT MODEL # correct? UNIT SERIAL #...

This manual is also suitable for:

M5sM1gbM1mbM1mcM1bbM1bc ... Show all

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