hayward aquarite 900 manual
Hayward AquaRite 900 Manual: A Comprehensive Guide

This manual provides detailed instructions for installing, operating, and maintaining the Hayward AquaRite 900 salt chlorination system.
It covers troubleshooting common issues,
like power light problems and generating light flashes,
ensuring optimal pool sanitation and longevity.
The Hayward AquaRite 900 represents a significant advancement in pool sanitation technology, offering a convenient and efficient alternative to traditional chlorine methods. This salt chlorination system generates chlorine directly from salt, providing consistently clean and comfortable pool water. It’s designed for in-ground pools up to 30,000 gallons, simplifying pool maintenance and reducing reliance on harsh chemicals.
This manual serves as a comprehensive guide, detailing everything from initial setup and operation to troubleshooting common issues. Understanding the AquaRite 900’s features, including Turbo Cell technology and low salinity operation, will empower you to maximize its benefits. Newer AquaRite S3 models build upon this foundation with integrated pool control features, enhancing automation and user experience. Proper installation and adherence to safety instructions are crucial for optimal performance and longevity.
Understanding Salt Chlorination Systems

Salt chlorination systems, like the Hayward AquaRite 900, offer a gentler and more automated approach to pool sanitation. Instead of manually adding chlorine, these systems convert dissolved salt (sodium chloride) into chlorine through a process called electrolysis. This occurs within the salt cell, utilizing specialized plates to separate the chlorine from the salt molecules.
The generated chlorine effectively sanitizes the pool water, eliminating bacteria and algae. A key benefit is the consistent chlorine production, maintaining stable sanitation levels. Saltwater pools are often perceived as softer and less irritating to skin and eyes. The AquaRite 900 can operate with remarkably low salt concentrations, even as low as 1.5 g/l, minimizing corrosion risks and maximizing comfort. Regular cell cleaning and salt level monitoring are vital for optimal system performance.

Installation and Setup
Proper installation is crucial for optimal performance. This section details initial setup, salt level testing, and connecting the AquaRite 900 to your existing pool circulation system.
Initial System Setup
Before powering on your AquaRite 900, carefully inspect all components for any shipping damage. Ensure the unit is mounted in a dry, well-ventilated location, protected from direct sunlight and extreme temperatures. Connect the flow sensor, ensuring proper direction as indicated by the arrow on the sensor body;
Prior to adding salt to your pool, verify your pool’s water chemistry is balanced, specifically pH, alkalinity, and calcium hardness. Incorrect water chemistry can negatively impact the system’s performance and potentially damage the salt cell. The system requires proper grounding; always adhere to local electrical codes during installation. Finally, familiarize yourself with the control panel interface before proceeding to the salt level testing phase.
Salt Level Requirements and Testing
The Hayward AquaRite 900 operates optimally within a salt concentration range of 2700-3900 ppm (parts per million). However, newer models, like the AquaRite UV Low Salinity NG, can function effectively with levels as low as 1500 ppm. Accurate salt level testing is crucial for efficient chlorination and cell longevity.
Use a reliable salt test kit – either a liquid test kit or a digital meter – to measure the current salt level in your pool water. Add pool salt gradually, following the manufacturer’s instructions, until the desired concentration is reached. After adding salt, circulate the water for at least 24 hours before testing again to ensure thorough mixing. Regularly monitor salt levels, especially after heavy rainfall or significant water dilution.
Connecting the AquaRite 900 to Your Pool System
Proper plumbing is essential for the AquaRite 900’s performance. Install the unit on a section of PVC pipe after the filter and before any other sanitizing devices, like UV sterilizers. Ensure the flow rate aligns with the unit’s specifications – typically between 60-100 gallons per minute.
The AquaRite 900 requires dedicated plumbing for both the salt cell and the sensor. The cell should be installed on a horizontal run of pipe to prevent air pockets. The sensor, crucial for monitoring salt levels, needs to be installed in a location with good water flow. Always disconnect all AC power before making any plumbing connections. Use appropriate PVC cement and fittings for a secure, leak-proof installation.

Operating the AquaRite 900

Effectively managing your pool involves understanding the control panel, adjusting chlorine output, and setting schedules for optimal sanitation and water quality maintenance.
Understanding the Control Panel Interface
The AquaRite 900’s control panel is your central hub for managing pool sanitation. Key indicators include the Power light, indicating system connection, and the Generating light, which flashes during chlorine production. The LCD displays crucial information, such as “HOT” or “COLD” to signal temperature concerns, or “No Flow” when water circulation is insufficient.
LEDs for “Check Salt” and “Inspect Cell” illuminate when salt levels are low or the cell requires cleaning. Navigating the interface allows you to adjust chlorine output levels and program schedules. Familiarizing yourself with these indicators and functions is essential for efficient operation and troubleshooting. Resetting the system can often resolve minor operational hiccups.
Adjusting Chlorine Output Levels
Proper chlorine output is vital for a sanitized pool. The AquaRite 900 allows precise adjustment of chlorine production to match your pool’s needs. Begin by understanding your pool’s volume and typical usage. Increase output for heavier loads, like after parties, and decrease it during periods of low use.
The control panel interface enables incremental adjustments to the percentage of chlorine generation. Monitor your pool’s chlorine levels regularly using a test kit to fine-tune the settings. Avoid drastic changes; small adjustments are more effective. Remember that factors like sunlight and water temperature influence chlorine demand, requiring periodic recalibration of output levels.
Setting Up Schedules and Timers
The AquaRite 900 offers programmable schedules and timers for automated chlorine generation, optimizing efficiency and convenience. Access the scheduling function through the control panel interface. You can define multiple run times throughout the day, tailoring chlorine production to your pool’s usage patterns.
Consider setting a higher output during peak hours and a lower output overnight. Experiment with different schedules to find the optimal balance between sanitation and energy consumption. The system remembers your settings, ensuring consistent chlorine levels. Regularly review and adjust schedules based on seasonal changes and pool activity. This feature minimizes chemical usage and maintains water quality effortlessly.

Maintenance and Troubleshooting
Regular maintenance ensures peak performance. This section details cell cleaning, salt cell replacement, and solutions for common issues like power or flow indicators.
Cell Cleaning Procedures
Maintaining a clean salt cell is crucial for efficient chlorine generation. Scale buildup reduces effectiveness, requiring periodic cleaning. Begin by turning off the AquaRite 900 and disconnecting the power. Remove the cell from the housing, carefully noting the orientation.
Prepare a cleaning solution of one part muriatic acid to five parts water – always add acid to water, never water to acid, and wear appropriate safety gear. Submerge the cell in the solution for 15-20 minutes, observing for bubbling as scale dissolves.
Rinse the cell thoroughly with clean water. Inspect for any remaining scale and repeat the process if necessary. Do not use metal brushes or abrasive cleaners, as they can damage the cell plates. Reinstall the cell, ensuring proper connections, and restore power.
Checking and Replacing the Salt Cell
Regularly inspect the salt cell for signs of wear and tear, including cracks, excessive scaling, or damaged plates. A malfunctioning cell will often trigger error messages or reduced chlorine output. The AquaRite 900 displays a “Check Salt/Inspect Cell” indicator when cleaning or replacement is needed.
Cell lifespan varies based on usage and water chemistry, typically lasting 3-5 years. To check cell health, visually examine the plates; significant erosion indicates replacement is necessary.
Replacing the cell involves disconnecting power, removing the old cell, and installing a new one of the correct type (verify compatibility!). Ensure proper sealing to prevent leaks. After replacement, the system may require cell initialization through the control panel. Refer to the manual for specific programming steps.
Troubleshooting Common Issues: Power Light Problems
If the power light is off, first verify the circuit breaker hasn’t tripped and the power supply is connected correctly. Inspect the control board for any visible damage or loose connections. A simple reset can often resolve the issue – power off the system for several minutes, then restart.
If the problem persists, check the transformer for proper voltage output. Ensure all wiring connections are secure and free from corrosion. A faulty power supply or control board may require professional repair or replacement.
Remember to disconnect all AC power before inspecting any electrical components. Refer to the safety instructions in the manual for detailed precautions.
Troubleshooting Common Issues: Generating Light Flashing
A flashing generating light typically indicates a problem with the salt cell or the system’s ability to produce chlorine. First, verify the salt level is within the recommended range; low salinity can trigger this alert. Inspect the salt cell for scaling or calcium buildup, requiring cleaning.
Ensure the cell is properly connected and not unplugged. The light may also flash if the control is set for the incorrect Turbo Cell type. Check the flow rate; insufficient water flow through the cell can cause this issue.
If the problem continues, consult the manual’s troubleshooting section for specific flash code meanings and recommended actions.
Troubleshooting Common Issues: HOT/COLD Display
The “HOT” or “COLD” display on your Hayward AquaRite 900 indicates a temperature sensor issue or an out-of-range water temperature. A “HOT” display suggests the water temperature is excessively high, potentially damaging the system. Conversely, “COLD” signifies the temperature is too low for proper operation.
First, verify the pool water temperature with a separate thermometer. If the readings differ significantly, the temperature sensor may need replacement. Inspect the sensor for damage or corrosion. Ensure adequate water circulation to prevent localized temperature extremes.
If the issue persists, power cycle the system and consult the manual for specific error code interpretations and further troubleshooting steps. Contact a qualified technician if needed.
Troubleshooting Common Issues: No Flow Indicator
The “No Flow” indicator on your Hayward AquaRite 900 signals that insufficient water is passing through the salt cell. This is a critical issue, as it can lead to cell damage and reduced chlorination. Immediately investigate the cause to prevent potential problems.
Begin by checking the pool pump for proper operation and adequate flow. Verify that all valves are open and that there are no obstructions in the plumbing lines before or after the AquaRite unit. A clogged filter is a common culprit, so inspect and clean it if necessary.
If flow remains insufficient, examine the salt cell for blockages. Power down the system before inspecting the cell. Contact a qualified technician if you cannot resolve the issue.

Advanced Features
Explore Turbo Cell technology, low salinity operation, and the AquaRite S3 system overview for enhanced pool sanitation and control capabilities.
Understanding Turbo Cell Technology
Hayward’s Turbo Cell technology represents a significant advancement in salt chlorination, offering superior chlorine generation and extended cell life. Unlike traditional salt cells, the Turbo Cell utilizes a unique flow pattern and plate design to maximize water contact and optimize chlorine production. This innovative design allows for higher output at lower salt levels, potentially reducing overall salt consumption and minimizing corrosion risks.
The Turbo Cell’s enhanced efficiency also translates to longer intervals between cell cleanings, saving you time and effort. Furthermore, the technology is compatible with various pool sizes and demands, providing a versatile solution for diverse aquatic environments. When setting up your AquaRite 900, ensure the correct Turbo Cell type is selected within the control panel for optimal performance.
Low Salinity Operation
The Hayward AquaRite 900 offers remarkable flexibility with its low salinity operation capability. Traditionally, salt chlorine generators required higher salt concentrations, but the AquaRite 900 can effectively sanitize your pool with salt levels as low as 1;5 grams per liter (g/l), extending up to 100 g/l. This feature is particularly beneficial for those concerned about corrosion or living in areas with strict water regulations.
Operating at lower salinity levels minimizes the potential for damage to pool equipment, like heaters and metal fixtures. However, it’s crucial to accurately test and maintain the salt level within the recommended range for optimal performance. The system’s control panel provides indicators and alerts to assist in maintaining the correct salinity, ensuring consistent and reliable sanitation.
AquaRite S3 System Overview (Newer Models)
Hayward’s AquaRite S3 represents a significant advancement in salt chlorination technology, building upon the foundation of the AquaRite 900. This newer generation integrates built-in pool control capabilities, offering a more comprehensive and user-friendly experience. The S3 system allows for control of pump speeds, lighting, and other pool functions directly from the unit or a compatible mobile app.
Key enhancements in the S3 model include improved diagnostics, enhanced safety features, and streamlined operation. It maintains the low salinity operation benefits of the 900, while adding features like ORP (Oxidation-Reduction Potential) monitoring for precise sanitation control. The S3 is designed for eco-friendly sanitization, offering an alternative to traditional chlorine methods.

Safety Information
Always read and follow all instructions carefully before installing or operating the AquaRite 900. Disconnect power during installation and use copper conductors only for safety.
Important Safety Instructions
Prior to installation and operation, meticulously review all provided instructions. Electrical hazards are present; always disconnect all AC power before performing any maintenance or troubleshooting procedures. Utilize only copper conductors for all electrical connections to minimize risk. This device is not intended for use by individuals with reduced physical, sensory, or mental capabilities without proper supervision.
Warning: To reduce the risk of injury, do not bypass or disable any safety features. Ensure proper grounding to prevent electrical shock. Never operate the system with a damaged cord or plug. Regularly inspect the unit for any signs of wear or damage. Keep the area around the AquaRite 900 clear and dry.
Electrical Connections and Precautions
All electrical connections must adhere to local and national codes. Use only copper conductors, ensuring proper gauge for the amperage requirements. Disconnect all AC power at the breaker before commencing any electrical work. The AquaRite 900 requires a dedicated circuit. Grounding is crucial; verify a proper earth ground connection is established.
Caution: Never use extension cords or adapters. Inspect wiring for damage before connecting. Avoid exposing electrical components to moisture. If the power cord is damaged, it must be replaced by a qualified technician. Improper wiring can lead to electrical shock or fire hazard. Always double-check connections before restoring power.

Technical Specifications
The AquaRite 900 boasts a capacity up to 900 equivalent gallons per day, with detailed specifications regarding cell life, voltage, and amperage, as outlined below.
AquaRite 900 Model Specifications
The Hayward AquaRite 900 is designed for in-ground pools up to 40,000 gallons. It operates on 120V/240V, 50/60Hz power, and features a digital display for easy monitoring. The unit’s maximum chlorine output is adjustable, catering to varying pool needs. Cell life is estimated at 3-5 years, dependent on usage and water chemistry.
Key specifications include a salt concentration requirement of 2700-3900 ppm, and a cell flow rate range of 60-100 GPM. The system’s dimensions are approximately 14.75” x 9.5” x 7.5”. It incorporates advanced features like Turbo Cell technology for enhanced chlorine generation. Refer to the detailed charts provided within the full manual for precise amperage and output levels at different salt concentrations and flow rates.





































































