Trane Horizon OAKD240A 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 OAKD240A Specifications

General

Model Number	OAKD240A
Category	Heat Pump
Refrigerant Type	R-410A
Phase	1
Cooling Capacity	24000 BTU/h
Heating Capacity	24000 BTU/h
Voltage	208/230V

Summary

Introduction and Safety Precautions

General Warnings and Notices

Field Wiring and Grounding Safety

Critical safety information regarding proper field wiring and grounding requirements.

Personal Protective Equipment (PPE)

Details mandatory PPE requirements for technicians to prevent injury.

Refrigerant and Gas Safety

Safety precautions for handling refrigerants under pressure and hazardous gases.

Hazardous Service Procedures

General safety guidelines to follow during installation, adjustment, and maintenance.

Installation Clearances and Dimensions

Unit Clearances

Unit Weight and Rigging

Rigging Procedures

Installation Procedures

General Installation Requirements

Standard Wiring and Grounding

Procedures for standard wiring, grounding, and voltage imbalance checks.

Electrical Phasing and Motor Details

Details on three-phase motor phasing and compressor crankcase heater function.

Pre-Start Check List

Pre-Startup Verification Items

A comprehensive checklist to ensure all installation steps are complete before startup.

System Configuration and Pre-Start

Startup Procedures

Indirect Fired Gas Heating Startup

Step-by-step procedure for starting the indirect fired gas heating system.

Gas Pressure and Fan Operation Checks

Procedures for checking inlet gas pressure and indoor fan operation.

Safety Controls and Flame Appearance

Overview of safety controls and guidelines for proper burner flame characteristics.

Maintenance

Monthly Maintenance Tasks

Condenser Coil Cleaning

Alarms and Troubleshooting

Microprocessor Control Alarms

Information on system alarms, microprocessor control, and sensor failure indications.

VFD Troubleshooting Guide