Nordyne M3RL Series CUT Duct Opening Finger Tabbed only, Installing Screw Down Duct CON- Nector

Page 11

5-1/4" to the left of center of the floor cut-out, or for entry through right-side of furnace measured 9" to the right of center of the floor cut-out.

d. Cut out floor opening and one gas line hole.

CUT DUCT OPENING (FINGER TABBED ONLY)

a.Place duct connector through the floor open- ing with bottom tabs resting on top of the supply air duct.

b.Center duct connector and push back against rear edge of floor opening.

c.Mark cut-out location (tab area) and remove duct connector.

d.Cut out duct opening 1/16" larger than area marked.

INSTALL FURNACE MOUNTING PLATE a. Place mounting plate (supplied within duct

connector) at rear of the floor opening (See Figure 9).

INSTALLING PLATINUM SERIES 14” ROUND DUCT CONNECTOR

a.Place duct connector through the floor open- ing. (See Figure 9).

b.Secure duct connector to floor.

INSTALLING SCREW DOWN DUCT CON- NECTOR

a. Apply a bead of caulking, mastic, or other approved sealant around bottom side of 1/2” flange and restrictor plate, when applicable. b. Locate the duct connector over duct and carefully lower screw down duct connector

into place.

c. Once duct connector is located on duct, temporarily hold in place while fastening duct connector to the floor using flat head screws or nails. Be sure flanges of duct connector stay in contact with the duct.

d. Screw plenum to duct making sure a seal is made between the duct and the duct con-

MOUNTING

 

REAR WALL

PLATE

 

 

FLOOR

OPENING

FUEL

LINE

HOLES

SUPPLY AIR DUCT

Figure 8. Mounting Plate

 

 

SCREWS

BEND CONNECTOR TABS

SCREWS

MOUNTING

 

UNDER DUCT OPENING

 

PLATE

 

 

MOUNTING

MOUNTING

 

PLATE

PLENUM

PLATE

FLOOR

FLOOR

 

OPENING

OPENING

 

 

 

FUEL

FUEL

FUEL

LINE

LINE

LINE

HOLES

HOLES

HOLES

 

 

SUPPLY AIR DUCT

SUPPLY AIR DUCT

 

 

 

14” SUPPLY

 

 

CONNECTION

Finger Tabbed

Screw Down

Platinum Series

Duct Connectors

Duct Connectors

Figure 9. Duct Connector

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Contents Installation Instructions Page L 060 a a W Table of ContentsTop View Shipping WeightFurnace Specifications/Airflow Data GeneralGeneral Description Owner InformationManufacturer WARRANTY, OWNER’S Responsibilities Installation StandardsMinimum Clearances LocationCirculating AIR Supply Return AIR Provisions Duct ConnectorsDucted Return AIR Closet or AlcoveAIR Distribution Systems Duct Connector SelectionDuct Installation Screw Down Platinum Series Installing Platinum Series 14 Round Duct ConnectorInstalling Screw Down Duct CON- Nector CUT Duct Opening Finger Tabbed onlyAlternate Attachment Methods Installing Finger Tabbed Duct CON- NectorsGeneral Install FurnaceVenting and Combustion AIR Requirements Furnace Must not be Common Vented with Other Appliances Venting RequirementsVent Termination Clearances for Direct Vent Furnaces Vent TableVent Pipe Material Vent Pipe InstallationHorizontal Venting Downflow FurnaceHorizontal Venting Drainage of Condensate from Furnace Alternate Horizontal Vent InstallationGAS Supply and Piping Furnace with Condensate Drain Trap AssemblyTo Turn Off Fuel Supply to the Appliance ConversionLeak Check High Altitude DerateApproximate Orifice Size for Natural and LP Gases To Remove the Burner AssemblyTo Remove the Burner Orifices To Convert the Unit to the Alternate GasConvertible Pressure Regulator Cap Lighting and Adjustment of the ApplianceCompleting the Conversion Electrical WiringLine Voltage Wiring Type of Fuel Manifold PressureElectrical Data Low Voltage WiringVentilation START-UP and AdjustmentsStart-Up Procedure Verifying Firing Rate Shut Down ProcedureSequence of Operation Verifying Burner Operation Verifying Operation of the Supply Air Limit SwitchDescription of Components Gas Flow RateAir Filter MaintenanceAccessory Kits Combustion Air and Vent SystemBlower Compartment Condensate Drain AssemblySystem Operation Information LubricationFurnace Fails to Operate Cooling ModeM3 Downflow Furnace Downflow Furnace Wiring Diagram Page Fuel Type INSTALLATION/PERFORMANCE Check List¢7082197¤

M3RL Series specifications

The Nordyne M3RL Series is a cutting-edge line of residential heating and cooling systems designed to enhance home comfort while emphasizing energy efficiency and reliability. Engineered with the latest technologies, the M3RL Series stands out as a premier choice for homeowners seeking optimal climate control, advanced features, and quiet operation.

One of the standout characteristics of the Nordyne M3RL Series is its high-efficiency performance. With Seasonal Energy Efficiency Ratios (SEER) that surpass industry standards, these systems deliver exceptional cooling power while using less energy. This efficiency not only translates to lower utility bills but also reduces the environmental footprint, making the M3RL Series an eco-friendly option.

Incorporating advanced inverter technology, the M3RL Series units operate at varying speeds, allowing them to adjust cooling and heating output to match the current demand. This feature ensures consistent temperature control while minimizing energy consumption. The systems are also equipped with a variable-speed compressor, which works in harmony with the inverter technology to provide seamless operation and quiet performance.

The M3RL Series showcases durability through its robust construction. The outdoor units feature a powder-coated finish to withstand the elements, while the indoor components are designed with high-quality materials to ensure longevity. The environmentally friendly refrigerant used in these systems further emphasizes Nordyne's commitment to sustainability.

Another notable aspect is the advanced control options available with the M3RL Series. Homeowners can choose from various thermostat solutions, including smart thermostats that offer remote control capabilities and programming features. This flexibility allows users to optimize their heating and cooling schedules, enhancing both comfort and efficiency.

In terms of installation, the M3RL Series is designed with versatility in mind. The compact and lightweight design of the units ensures ease of placement in various home layouts, while the comprehensive installation manuals and support from Nordyne make the process straightforward for HVAC professionals.

The Nordyne M3RL Series is truly a hallmark of modern home climate control, embodying efficiency, durability, and advanced technology. With its combination of high-performance features, user-friendly controls, and a commitment to sustainability, it provides an ideal solution for homeowners looking to enhance comfort while reducing energy costs. The M3RL Series represents a significant step forward in the evolution of residential heating and cooling systems.
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