Trane OA1D OA2D OA3D (Indirect Gas-Fired/Electric Heat) User Manuals

Maintenance Manual (English)

Maintenance Manual

Table of Contents

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
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
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

Maintenance Manual

Size:

6.29 MB
Pages:

56
Language:

English