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RT-SVX38D-EN

## Safety Warnings and Precautions
- Qualified Personnel Only: Installation, operation, and maintenance should be performed by certified professionals to avoid hazards.
- Electrical and Mechanical Dangers: Improper wiring or service can lead to electrocution, fire, or serious injury.
- Chemical Hazards: Follow responsible refrigerant practices; handle refrigerants according to local laws and guidelines (e.g., Clean Air Act, SDS, OSHA).

## Introduction
This manual provides essential information for the operation, installation, and maintenance of the RT-SVX38D-EN rooftop air conditioner, designed for 5 to 10 ton applications (50 Hz).

## Table of Contents
1. Warnings, Cautions, and Notices
2. Copyright and Trademarks
3. Model Number Description
4. General Information
5. Unit Dimensions
6. Installation
- Pre-Installation Checks
- Procedure: Foundation, Ductwork, Roof Curb
7. General Unit Requirements
- Horizontal Discharge Conversion
- Gas Heat Requirements
- Condensate Drain and Filter Installation
- Power Wiring and Main Unit Power
8. Pre-Start and Testing
- Voltage Imbalance and Electrical Phasing
- Test Modes
9. Unit Start-Up and Setup
- Verifying Air Flow, Economizer, Compressor Start-Up
- Final System Setup
10. Maintenance
- Fan Belt Adjustment, Monthly and Annual Maintenance
- Final Process
11. Troubleshooting
- ReliaTel™ Control
- System Status Checkout Procedures
- Common Issues (ZTS Service Indicator, Clogged Filter, Fan Failure, Condensate Overflow)