Nordyne M3RL Series User Manuals

Table of Contents

• General

  4
• Unit Dimensions

  4
• Shipping Weights

  4
• of the Appliance

  23
• Furnace Specification

  4
• Air Flow Data

  4
• Electrical Wiring

  24
• Line Voltage Wiring

  24
• Owner's Information

  5
• Low Voltage Wiring

  26
• Installation Requirements

  6
• Ventilation

  26
• Location

  7
• Clearance

  7
• Start-up and Adjustment

  26
• Start-Up Procedure

  26
• Circulating Air Supply

  7
• Shut Down Procedure

  27
• Return Air Provisions

  8
• Air Distribution Systems

  9
• Temperature Rise

  27
• Duct Connector Selection

  10
• Verifying Burner Operation

  28
• Duct Installation

  10
• Supply Air Limit Switch

  28
• Air Requirements

  13
• Description of Components

  29
• Venting Requirements

  14
• Furnace Accessories

  29
• Vent Table

  15
• Maintenance

  29
• Vent Pipe Material

  16
• Vent Pipe Length and Diameter

  16
• Air Filter(s)

  29
• Vent Pipe Installation

  16
• Lubrication

  30
• Pipe Routing & Support

  16
• Condensate Drain Assembly

  30
• Location of Outdoor Termination

  16
• Blower Compartment

  30
• Horizontal Venting

  18
• Vertical Venting

  18
• Maintenance

  30
• Vent Freezing Protection

  19
• Concentric Vent Termination

  19
• System Operation Information

  30
• Sequence of Operation

  30
• Furnace Fails to Operate

  31
• From Furnace

  19
• Location of Major Components

  32
• Gas Supply and Piping

  20
• Leak Check

  21
• Wiring Diagram

  33
• High Altitude Derate

  21
• Pressure Switch

  21
• Checklist

  35