Trane OABD OABE OADD OADE OAGD OAKD OAKE OAND OANE User Manuals

Table of Contents

• Introduction

  2
  • The Horizon Outdoor Air Unit...

    2
• Model Number Descriptions

  6
  • Horizon Outdoor Air Unit

    6
    • Models: OABD, OAGD

      6
    • Models: OADD, OADE, OAKD, OAKE, OAND, OANE

      9
• Features and Benefits

  12
  • Indoor Air Quality (IAQ) Features

    12
  • Energy Efficiency

    12
  • High Quality and Durability

    12
  • Advanced Controls

    12
  • Flexibility

    13
  • Enhanced Serviceability

    13
  • Standard Unit Features

    13
  • Standard Control Features

    14
  • Optional Features

    14
• Application Considerations

  15
  • Overview

    15
    • Outdoor Air Unit Functions

      15
  • System Configurations

    15
  • Horizon OAU Operation

    16
  • OAU with Reheat

    16
    • Dehumidification

      16
    • Cooling or Heating

      17
  • OAU Outdoor Air Control without Reheat

    17
    • Dehumidification

      18
    • Cooling or Heating

      18
  • Establishing Capacity Requirements

    19
  • Cooling & Dehumidification Selection Criteria

    19
    • Evaporator Design Entering Conditions

      19
    • Evaporator Design Leaving Conditions

      19
    • Reheat

      20
    • Heating

      21
    • Capacity Control

      21
    • Discharge Air Control

      21
    • Cooling Setpoint

      22
    • Unoccupied Space Humidity Control

      22
    • Space Control

      22
  • Outdoor Airflow Balancing

    22
  • Air to Air Energy Recovery

    22
    • Controlling the Total-Energy Wheel

      23
    • Cross Leakage

      24
  • Condensate Drain Configuration

    24
    • Acoustical Considerations

      25
    • Clearance Requirements

      25
    • Duct Design

      26
    • Controls Sequence

      26
• Selection Procedure

  27
  • Horizon OAU Selection Procedure

    27
• General Data

  28
• Unit Clearances, Curb Dimensions, and Dimensional Data

  44
  • OAB Units

    44
    • Unit Clearances

      44
    • Curb Dimensions

      46
    • Dimensional Data

      47
  • OAD Units

    48
    • Unit Clearances

      48
    • Curb Dimensions

      50
    • Dimensional Data

      51
  • Indirect-Fired OAG Units

    52
    • Unit Clearances

      52
    • Curb Dimensions

      54
    • Dimensional Data

      55
  • Direct-Fired OAG Units

    56
    • Unit Clearances

      56
    • Curb Dimensions

      57
    • Dimensional Data

      57
  • OAK Units

    58
    • Unit Clearances

      58
    • Curb Dimensions

      61
    • Dimensional Data

      62
  • OAN Units

    63
    • Unit Clearances

      63
    • Curb Dimensions

      66
    • Dimensional Data

      67
• Indirect Gas-fired Furnace Heater and Power

  68
• Unit Weight and Rigging

  69
  • Unit Weight

    69
  • Corner Weight

    71
  • Rigging

    72
• Mechanical Specifications

  75
  • Horizon Outdoor Air Mechanical Specifications

    75
    • Refrigeration and Dehumidification Systems

      75
    • Electrical and Controls

      79
    • Options

      80
• Appendix

  84
  • OAU Filter Guide

    84