Trane Horizon OAKD Series - User Manual

Horizon™ Outdoor Air Unit
Horizon UC600 Controls Program Version 12.0
Installation, Operation, and Maintenance
February 2023
OAU-SVX007A-EN
Important: Proper completion 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.
Models
OABD, OABE, OABF, OADG, OAGD, OAGE, OAGF, OAKD, OAKE, OAKF, OAND, OANE, OANF,
OANG
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.

Trane Horizon OAKD Series Specifications

General

Brand	Trane
Model	Horizon OAKD Series
Category	Heat Pump
Language	English

Summary

Introduction

Safety Warnings and Advisories

Defines WARNING, CAUTION, NOTICE, and general safety precautions.

Environmental and Refrigerant Practices

Discusses environmental impact and responsible refrigerant handling.

Model Number Descriptions

Horizon Outdoor Air Unit Model Structure

Explains the modular structure and digit meanings for Horizon units.

Unit Clearances, Curb Dimensions, and Dimensional Data

Installation Clearances and General Data

Procedures for checking units upon arrival and general clearance requirements.

Model Series Dimensions and Clearances

Physical dimensions and installation clearance requirements for various unit models.

Unit Weight and Rigging

Heavy Objects and Lifting Safety

Warnings and procedures for safely handling and lifting heavy units.

Rigging and Center of Gravity Data

Guidelines and diagrams for proper unit rigging and lifting points.

Installation Procedures

Hazardous Service Procedures

Safety precautions for technicians working on electrical, mechanical, and chemical hazards.

Ductwork and Venting Requirements

Guidelines for installing ductwork and venting for gas furnaces.

Electrical, Water, and Condensate Connections

Procedures for main power, water, and condensate connections.

Filter Installation and Damper Hood

Instructions for filter installation and opening the exhaust damper hood.

Start-Up Procedures

Pre-Start Up Checklist

Steps to verify before initiating unit startup procedures.

Cooling and Gas Heating Start-Up

Procedures for verifying unit operation during cooling and gas heating modes.

Burner Ignition and Flame Adjustment

Guidance on burner operation, ignition trials, and flame adjustments.

Maintenance Procedures

Monthly and Seasonal Maintenance

Routine checks for unit upkeep and proper function during cooling/heating seasons.

Condenser Coil Cleaning

Detailed instructions for cleaning condenser coils safely and effectively.

Alarms and Troubleshooting

Microprocessor Control and System Alarms

Overview of unit diagnostics, alarms, and troubleshooting via the control system.

RTRM Failures and VFD Parameters

Identifies RTRM failures and explains VFD programming parameters.

Appendix

OAU Filter Guide

Provides filter specifications (type, size, quantity) for various unit models.

Factory-Provided Sensors Installation

Installation instructions and specifications for factory-provided sensors.

Sequence of Operation v12.0

Control Sequence Overview

Describes various control sequences like Space Control and Discharge Air Control.

Dehumidification and Economizer Modes

Details the operation of dehumidification and economizer modes.

Heating, Cooling, and Heat Pump Operation

Explains how heating, cooling, and heat pump modes are controlled.