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Trane Horizon OABD108 Series User Manual

Trane Horizon OABD108 Series
60 pages
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SAFETY WARNING
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing
of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and
training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or
serious injury. When working on the equipment, observe all precautions in the literature and on the tags,
stickers, and labels that are attached to the equipment.
AVERTISSEMENT DE SÉCURITÉ
L’installation et l’entretien de cet équipement doivent être assurés exclusivement par du personnel qualifié.
L’installation, la mise en service et l’entretien d’équipements de chauffage, de ventilation et de climatisation
(CVC) présentent un danger et requièrent des connaissances et une formation spécifiques. Une installation,
un réglage ou une modification inappropriés d’un équipement par une personne non qualifiée peut provoquer
des blessures graves, voire la mort. Lors de toute intervention sur l’équipement, respectez les consignes de
sécurité figurant dans la documentation, ainsi que sur les pictogrammes, autocollants et étiquettes apposés
sur l’équipement.
Installation, Operation,
and Maintenance
Important: Proper execution of the tasks outlined in this Installation, Operation, and Maintenance manual
require and assume the technician has been certified as a start up technician for the Horizon Outdoor
Air unit. This includes working knowledge of the Tracer TU program.
Horizon™ Outdoor Air Unit
Direct Gas-Fired
Model: OAB, OAG
International Inc.
KCC
OAU-SVX005C-EN
November 2019

Table of Contents

Questions and Answers:

Trane Horizon OABD108 Series Specifications

General IconGeneral
Model NumberOABD108
SeriesHorizon
TypePackaged Air Conditioner
Refrigerant TypeR-410A
Phase3
Voltage460V

Summary

Introduction

Proper Field Wiring and Grounding

Emphasizes qualified personnel for safe electrical wiring and grounding.

Personal Protective Equipment (PPE)

Details mandatory PPE requirements for technicians to prevent injury during work.

Model Number Descriptions

Unit Weight and Rigging

Installation

Electrical and Drain Requirements

Covers electrical power, condensate drain configuration, and filter installation warnings.

System Configuration and Pre-Start

Startup

Direct Heating Startup Procedures

Provides a step-by-step guide for safely starting the direct heating section of the unit.

Gas Safety and Leak Testing

Emphasizes gas safety, leak testing, and avoiding open flames for gas leak detection.

Burner System Checks

Details checks for gas pressure, burner operation, and airflow for proper unit startup.

Heating Starting Sequence

Outlines the sequence of operations for the burner and associated relays during startup.

Maintenance

Alarms and Troubleshooting

Unit-Specific Alarms

Lists common alarms for TOAU UC600 systems and their troubleshooting steps.

Component Failure Modes

Details failure modes for RTRM and flame relays, with troubleshooting guidance.

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