Trane Odyssey TWA1204 A Series User Manual

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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.
November 2020
SSSSPP--SSVVXX000011BB--EENN
Installation, Operation, and Maintenance
Split System Air Conditioners
Odyssey™™ with Symbio™™
Controls
Heat Pump Condenser, R-410A 5 to 20 Tons
and R-22 Dry Charge 7.5, 10, 15 and 20 Tons
((6600 HHzz))
TWA0724*A
TWA0724*D
TWA0902*A
TWA0904*A
TWA0904*D
TWA1202*A
TWA1204*A
TWA1204*D
TWA1802*D
TWA1804*D
TWA2402*D
TWA2404*D
((5500 HHzz))
TWA0604DA
TWA0604DD
TWA0764DA
TWA0764DD
TWA1014DA
TWA1014DD
TWA1564DD
TWA2014DD

Trane Odyssey TWA1204 A Series Specifications

General

Model Number	TWA1204 A
Category	Air Conditioner
Cooling Capacity	12000 BTU/h
Energy Efficiency Ratio (EER)	11.0
Refrigerant Type	R-410A
Voltage	208/230V
Phase	1

Summary

Introduction

Safety Advisories and Definitions

Defines the meaning of WARNING, CAUTION, and NOTICE advisories.

Field Wiring and Grounding Safety

Emphasizes qualified personnel and code compliance for electrical wiring.

Personal Protective Equipment (PPE)

Lists essential PPE required for hazardous conditions.

Specific Safety Warnings

Highlights key warnings on EHS policies, high pressure refrigerant, and explosion hazards.

Model Number Description

Heat Pump Condenser Model Breakdown

Pre-Installation Procedures

Unit Inspection and Checklist

Outlines steps for inspecting the unit upon delivery and completing a checklist.

Leak Testing and Lifting Recommendations

Installation Procedures

Refrigerant Piping Guidelines

Outdoor Unit Refrigerant Piping

Steps for connecting refrigerant lines to the outdoor unit.

Indoor Unit Refrigerant Piping

Steps for connecting refrigerant lines to the indoor unit.

Leak Check and System Evacuation

Procedures for leak testing and evacuating the refrigerant system.

Refrigerant Charging Procedure

Steps for charging refrigerant, including notes and warnings.

Charging Levels and Line Sizes

Liquid Charging Procedure

Steps for charging the unit with liquid refrigerant.

Electrical Wiring and Power Supply

Guidance on power supply, grounding, and wiring connections.

Low Voltage Wiring and Controls

System Connectivity

Symbio Unit Controller Wiring

Modbus and IMC Connections

Refrigerant Circuit Diagrams

Pre-Start Procedures

Control Circuit Features Overview

Troubleshooting

Live Electrical Component Safety

Safety advice for troubleshooting live electrical components.

Service Test Mode

Symbio 700 Service Test Mode Operation

Maintenance Procedures

Monthly Maintenance Tasks

Annual Maintenance Tasks

Charging Data and Pressure Curves

Wiring Diagrams and Device Location

Warranty Information

Commercial Unitary Equipment Warranty

Basic Warranty Terms and Conditions