Trane Horizon OAND540A User Manual

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
Indirect Fired Gas/Electric Heat/Air Source Heat Pump
Models: OAKD, OAKE/F, OAND, OANE/F
November 2019
OAU-SVX01H-EN

Trane Horizon OAND540A Specifications

General

Brand	Trane
Model	Horizon OAND540A
Category	Heat Pump
Language	English

Summary

Model Number Descriptions

Horizon Outdoor Air Unit

Detailed breakdown of the unit's model number components and their meanings.

Unit Weight and Rigging

Heavy Object Handling

Safety precautions for handling heavy unit components.

Improper Unit Lift Procedures

Guidelines to prevent accidents during unit lifting.

Unit Weight Specifications

Rigging Procedures

Step-by-step instructions for rigging the unit.

Installation

Hazardous Service Procedures

Essential safety precautions for installation personnel.

Main Electrical Power Requirements

Information on power supply and connections.

Field Installed Power Wiring

Requirements for wiring the unit.

Main Unit Power Connection

Guidelines for connecting the main power supply.

Standard Wiring

Field Wiring and Grounding

Critical safety and installation requirements for field wiring.

Voltage Imbalance Checks

Explains voltage requirements and potential issues.

Electrical Phasing

Unit Display and Controls

Pre-Start Check List

System Configuration and Pre-Start

Startup

Indirect Fired Gas Heating Startup

Procedures for starting the indirect fired gas heating system.

Startup Procedure

Step-by-step guide for unit startup process.

Burner Ignition and Flame Adjustment

Details on burner operation, ignition, and flame settings.

Safety Controls

Overview of safety features like air pressure switches and high limits.

Maintenance

Monthly Maintenance Schedule

Routine checks and tasks for regular unit upkeep.

Filter Maintenance

Cooling Season Checks

Condenser Coil Cleaning

Microchannel Coil Cleaning

Round Tube Plate Fin Coil Cleaning

Superheat and Refrigeration Circuit Data

Non-Heat Pump Refrigeration Diagrams

ASHP Unit Refrigeration Diagrams

Alarms and Troubleshooting

Microprocessor Control Diagnostics

Unit diagnostics and system status information.

System Alarms Overview

Overview of unit alarms and troubleshooting guidance.

Sensor Failure Alarms

RTRM Failure Modes

Variable Speed VFD Troubleshooting

Horizon™™ Dedicated Outdoor Air Unit Startup Form

Pre Startup Checklist

Items to verify before initiating unit startup.

Startup Form Data Entry

Sections for recording fan, damper, temperature, and system data.