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Trane 4TXK3812A1 User Manual

Trane 4TXK3812A1
42 pages
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Installer’s Manual
Split System (R-410A)
38 Series Mini-Split
Inverter System
9,000 Btu/h to 24,000 Btu/h
June 2020 MS-SVN054H-EN
Models:
HP Outdoor Units: HP Indoor Units:
4TXK3809B1 4MXW3809B1
4TXK3812A1 4MXW3812A1
4TXK3818A1 4MXW3818A1
4TXK3824A1 4MXW3824A1

Questions and Answers:

Trane 4TXK3812A1 Specifications

General IconGeneral
BrandTrane
Model4TXK3812A1
CategoryAir Conditioner
LanguageEnglish

Summary

Warnings and Cautions

General Safety Warnings

Outlines potential hazards for severe personal injury or death, and minor or moderate injury. Explains symbols.

Field Wiring Hazards

Warns about electrocution and fire risks from improperly installed/grounded field wiring. Emphasizes following codes.

Refrigerant and Environmental Warnings

R410A Refrigerant Pressure Warning

Alerts to higher pressures of R410A refrigerant and the need for approved service equipment to prevent explosion.

Safety Precautions

Installation Safety Guidelines

Lists essential safety measures for qualified installation, wiring, and refrigerant handling to prevent injury or fire.

Connection Pipe Requirements

Refrigerant Piping Precautions

Handling Refrigerant Safely

Warns about explosion hazards from refrigerant mixtures with air and toxic gases from heat. Stresses proper removal and nitrogen purging.

System Integrity and Purging

Advises against premature removal of seal caps to prevent moisture contamination and stresses nitrogen purging during brazing to prevent damage.

Installing the Indoor Unit

Mounting Location and Frame Installation

Details confirming mounting location, leveling the wall frame, drilling holes, and securely attaching the frame to the wall.

Refrigerant Piping at the Indoor Unit

Installing the Refrigerant Piping

Flaring Process

Details the steps for flaring refrigerant pipes, including tool usage and inspection for cracks.

Vacuum and Refrigerant Leakage Detection

Evacuation and Leak Testing Procedure

Details the process of evacuating the system to microns, checking for moisture and leaks, and adding refrigerant charge.

Wiring Precautions

Electrical Connections

Field Wiring Safety

Reinforces safety for field wiring, recommending flexible conduit and qualified personnel for high voltage connections to prevent shock or fire.

Wiring Diagrams

Outdoor Heat Pump Only Unit 9K-12K Wiring

Outdoor Heat Pump Only Unit 18K Wiring

Outdoor Heat Pump Only Unit 24K Wiring

Component Connections

Shows the detailed wiring schematic for the 24K outdoor unit, illustrating connections for sensors, compressor, and control boards.

Common Error Codes

Malfunction Types and Recommendations

Lists common error codes, their malfunction types, and recommended actions for resolution.

Troubleshooting

Common Operational Issues and Causes

Addresses common problems like unit not running, mist, sounds, dust, odor, and mode conflicts with possible reasons.

General Maintenance

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