Manuels d'utilisation pour Trane OA1D OA2D OA3D (Indirect Gas-Fired/Electric Heat)

Table des matières

• Introduction

  2
  • Warnings, Cautions, and Notices

    2
    • Important Environmental Concerns

      2
    • Important Responsible Refrigerant Practices

      2
• Model Number Descriptions

  6
  • Horizon Outdoor Air Unit

    6
• General Information

  9
  • Overview of Manual

    9
  • Model Number Description

    9
  • Unit Nameplate

    9
  • Compressor Nameplate

    9
  • Unit Description

    9
  • Indoor Fan Failure Input

    9
  • Low Pressure Control ReliaTel Control

    9
  • Refrigerant Circuits

    9
  • High Pressure Control ReliaTel Control

    9
  • Space Temperature / RH Sensor (Optional)

    10
  • High Temperature Sensor

    10
  • Outdoor Air Temperature and Relative Humidity Sensor

    10
  • Control Input (Occupied / Unoccupied)

    10
  • Hot Gas Reheat

    10
  • 100 Percent Outdoor Air Hood with Damper and Filters

    10
  • Modulating Indirect Gas-Fired Burner

    10
  • Through the Base Electrical with Disconnect Switch

    10
  • Through the Base Gas Piping

    10
  • Hinged Access Doors

    10
  • Modulating Electric Heat

    10
  • Unit Inspection

    11
    • First Aid Measures

      11
    • Storage

      11
    • Unit Clearances

      11
• Unit Clearances, Curb Dimensions, and Dimensional Data

  12
  • OA1 Units

    12
    • Unit Clearances

      12
    • Curb Dimensions

      12
    • Dimensional Data

      13
  • OA2 Units

    14
    • Unit Clearances

      14
    • Curb Dimensions

      15
    • Dimensional Data

      15
  • OA3 Units

    16
    • Unit Clearances

      16
    • Curb Dimensions

      17
    • Dimensional Data

      17
• Unit Weight and Rigging

  18
  • Unit Weight

    18
  • Corner Weight

    19
  • Rigging

    20
• Sequence of Operation

  21
  • Space Control with Indirect Gas- Fired or Electric Heat and Modulating HGRH, ERV, and Powered Ex.

    21
    • Sequence of Operation—”Occupied”

      21
    • Sequence of Operation—”Unoccupied”

      22
  • Discharge Air Control with Indirect Gas-Fired or Electric Heat and Modulating HGRH, ERV, and Powered Ex.

    23
    • Sequence of Operation—”Occupied”

      23
    • Sequence of Operation—”Unoccupied”

      24
• Installation

  25
  • Ductwork

    25
  • General Unit Requirements

    25
  • Main Electrical Power Requirements

    26
  • Condensate Drain Configuration

    26
  • Filter Installation

    26
  • Field Installed Power Wiring

    26
  • Main Unit Power

    28
    • Standard Wiring

      28
    • Voltage Imbalance

      28
    • Electrical Phasing (Three-Phase Motors)

      29
    • Compressor Crankcase Heaters

      29
    • Main Unit Display and ReliaTel Controls

      30
    • Field-Installed Control Wiring

      30
    • Control Power Transformer

      30
    • Controls Using 24 Vac

      30
    • Controls Using DC Analog Input/Output (Standard Low Voltage Multiconductor Wire)

      31
  • DC Conductors

    31
• System Configuration and Pre-Start

  33
• Start-Up

  36
  • Indirect Gas-Fired Heating Start-Up

    36
    • Start-Up Procedure

      36
    • Safety Controls

      39
• Maintenance

  40
  • Monthly Maintenance

    40
    • Filters

      40
    • Supply/Return Air Smoke Detector Maintenance

      40
    • Cooling Season

      40
    • Heating Season

      40
    • Condenser Coil Cleaning

      40
  • Final Process

    41
• Performance Data

  42
  • Superheat and Refrigeration Circuit Data

    48
• Alarms and Troubleshooting

  52
  • Microprocessor Control

    52
  • System Alarms

    52
  • Sensor Failure Alarm Display

    52
  • RTRM Failure Modes

    54
• Appendix

  55
  • OAU Filter Guide

    55