Jandy AquaLink RS Serial Adapter Manual

The Jandy AquaLink RS Serial Adapter is a communication interface device that enables connectivity between AquaLink RS control systems and external devices such as computers, automation systems, or diagnostic equipment. It features RS-232 serial communication protocol, compatibility with AquaLink RS control panels, plug-and-play installation, LED status indicators, weather-resistant housing, and support for remote monitoring and control functions. Below are key sections for installation, configuration, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. Configuration 4. Specifications 5. Controls and Indicators 6. Connecting Devices 7. Operation 8. Communication Protocols 9. Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Serial adapter unit, connection cables, status LEDs, mounting hardware.

Feature	Description
RS-232 Interface	Standard serial communication port
LED Status Indicators	Power, communication activity, error status
Weather-resistant Housing	Designed for outdoor pool equipment environments
Plug-and-Play	Simple connection to AquaLink RS control system
Diagnostic Capability	Enables system monitoring and troubleshooting
Remote Access	Supports connection to home automation systems
Power Input	24V AC from AquaLink RS power supply
Data Transfer Rate	9600 baud standard
Compatibility	AquaLink RS control systems
Cable Length	6-foot standard connection cable

Installation

Unpack and inspect contents. Install in dry, protected location near AquaLink RS control panel.

Power off AquaLink RS system before installation.
Mount adapter: Use provided hardware to secure in equipment area.
Connect to AquaLink RS: Plug communication cable into designated port on control board.
Connect external device: Use serial cable to connect computer or other device.
Power on system and verify LED indicators.

WARNING! Ensure power is disconnected during installation to prevent electrical shock. Install in location protected from direct water exposure.

Configuration

Configure communication settings for proper operation.

Verify power: Green LED should be illuminated.
Set communication parameters: 9600 baud, 8 data bits, no parity, 1 stop bit.
Configure software: Use Jandy diagnostic software or compatible third-party applications.
Test connection: Send test commands and verify response.
Secure connections: Ensure all cables are firmly connected and protected.

CAUTION! Use only Jandy-approved software and cables to prevent system damage.

Specifications

Communication Protocol: RS-232 Serial
Data Rate: 9600 baud
Power Requirements: 24V AC from AquaLink RS
Operating Temperature: 32°F to 122°F (0°C to 50°C)
Humidity Range: 5% to 95% non-condensing
Dimensions: 4.5" x 2.5" x 1.2"
Weight: 8 oz
Connector Type: DB-9 serial port
Cable Length: 6 feet standard
Compatibility: AquaLink RS control systems

Controls and Indicators

LED status indicators provide operational feedback.

Power LED (Green): Illuminates when properly powered

Activity LED (Yellow): Blinks during data transmission

Error LED (Red): Illuminates during communication errors

No physical controls - operation is through connected devices and software interface.

Connecting Devices

Connect to computers, automation systems, or diagnostic equipment.

Ensure AquaLink RS system is powered off.
Connect serial cable from adapter to computer serial port.
For USB connections, use quality USB-to-serial adapter.
Power on AquaLink RS system.
Launch communication software and configure port settings.

Tip: Use shielded serial cables for best performance in electrically noisy environments.

Operation

Standard operation procedures for communication and control.

Power on: Verify green power LED is illuminated.
Establish connection: Open communication software and connect to correct COM port.
Send commands: Use software interface to send control commands to AquaLink RS.
Monitor status: Receive system status and diagnostic information.
Remote control: Operate pool equipment through software interface.
Data logging: Record system operation data for analysis.

WARNING! Only trained personnel should modify system settings through serial interface.

Communication Protocols

Jandy proprietary protocol for AquaLink RS systems.

Command structure: ASCII-based commands with checksum verification

Supported functions: Equipment control, status monitoring, configuration changes, diagnostic data

Response format: Acknowledgment messages with status codes

Maintenance

Regular inspection and cleaning recommended.

Monthly: Check cable connections and housing integrity

Seasonal: Inspect for weather damage or corrosion

As needed: Clean housing with damp cloth

CAUTION! Do not use harsh chemicals or high-pressure water for cleaning.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. CE certified for European markets. Copyright © Jandy Products. For technical support, contact Jandy Technical Support at 1-800-227-1442 or visit www.jandy.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power LED	Power connection	Check 24V AC power from AquaLink RS; verify connections
No communication	Cable/port settings	Verify cable connections; check COM port settings; test with known good cable
Intermittent communication	Cable quality/length	Use shielded cables; reduce cable length; check for electrical interference
Error LED illuminated	Communication errors	Check baud rate settings; verify protocol compatibility; restart system
Device not recognized	Driver issues	Install proper USB-to-serial drivers; try different COM port

Reset: Power cycle AquaLink RS system and connected devices.

Service: 1-800-227-1442; www.jandy.com