092621 RevC 3500 ® Water Quality Controller Owner’s Manual Contents Introduction........2 Installation........4 Pool Chemistry ........7 Configuration........7 System Maintenance......25 Troubleshooting......26 Warranty..........30 CAT-3500 Hayward Pool Products 620 Division Street, Elizabeth NJ 07207 www.hayward.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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By disabling the “Overfeed Timeout” the overfeeding of chemicals could occur and create unsafe water chemistry conditions. Overfeeding chemicals is dangerous and could potentially harm patrons. Certification - NSF 50 Certified for ph/ORP Display and Output only SAVE THESE INSTRUCTIONS USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
The following graph compares typical chlorine levels when chemistry is adjusted manually versus automatically with the CAT 3500 controller: Manual Control HCC Automated Control 10:00 11:00 12:00 5:00 1:00 2:00 3:00 4:00 Time USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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Professional Series ORP Sensor with 24” Cable and BNC Connector Sensor Storage Containers Injection Molded Flow Cell 1/4” NPT x 3/8” Tubing True-Seal Ball Valve Flow Switch with 24” Cable and Specialty Connector Temperature Sensor with 10’ Cable and Specialty Connector USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
Drill and tap a 1/4” NPT port at a location subject to vacuum or reduced pressure. Install the remaining tubing connector and run flex tubing to the effluent flow cell port. Cut a 3” length of flex tubing and insert into the sample stream port. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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Mark tubing bottoms out and on tubing to release. 3/4” from end. This insertion mark is no Repeat steps 1 and 2 is the insertion mark. longer visible. to reuse fitting. O-Ring Tubing USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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Typical CAT 3500 Installation Diagram USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
Configuration Menu is used to set up advanced features which truly customize the controller to meet the individual requirements of the application. The keypad provides intuitive access to the controller functionality as described on the following page. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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Press DOWN to decrease display intensity. To Enter The Operating Menu: The operating menu contains selections which are likely to be changed on a routine basis, and therefore are easily accessed. While in normal operating mode: USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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25 minutes after which automatic feed will resume. While in normal operating mode: Press MENU. Press DOWN to find the pH Feed Mode menu item. Press ENTER to select pH Feed Mode. The current pH Feed Mode will be displayed: USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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25 minutes after which automatic feed will resume. While in normal operating mode: Press MENU. Press DOWN to find the ORP Feed Mode menu item. Press ENTER to select ORP Feed Mode. The current ORP Feed Mode will be displayed: USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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The current Salt High Alarm setting will be displayed: Salt High Alarm 5500 ppm Press UP or Down to scroll to desired setting. Press ENTER to save your selection. Press MENU to return to Operating Menu. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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The current TDS Calibration setting will be displayed: TDS Calibration 0.00 ppm/uS (0) Press UP or Down to scroll to desired setting. Press ENTER to save your selection. Press MENU to return to Operating Menu. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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(such as liquid chlorine) are used. From the Configuration Setup Menu: Press DOWN to find the pH Priority menu item. Press ENTER to select pH Priority. The current pH Priority Mode will be displayed: USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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POOLCOMM website during a low pH condition. From the Configuration Setup Menu: Press DOWN to find the pH Low Alarm menu item. Press ENTER to select pH Low Alarm. The current pH Low Alarm Setting will be displayed: USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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The CAT 3500 by default uses a time-based proportional feed algorithm which enables the precise control of virtually any body of water. With some types of chemical feeders, however, it is benefi- cial to disable proportional feed and dispense chemicals on a fixed basis. From the Configuration USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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Press ENTER to save your selection. ORP Low Alarm: The ORP Low Alarm inhibits ORP feed, sounds audible and visual alarms, and sends a message to the POOLCOMM website during a low ORP condition. From the Configuration Setup Menu: USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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The auxiliary relay can be programmed to provide acid or base feed pH correction, or to support supplemental pH control with a second setpoint. Once the setpoint is entered, go to Auxiliary Out- put Setup to assign the relay to the desired function. From the Configuration Setup Menu: USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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“No”, and is the recommended setting. From the Configuration Set Up Menu: Press DOWN to find the Feed On Alarm Menu item. Press ENTER to select Feed On Alarm. The current Feed On Alarm setting will be displayed: USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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Press DOWN to view the following options: Disabled Digital Flow (ENTER to select pipe size). Level Sensor Press ENTER to confirm the selection. After 10 seconds, the controller will revert to the Configuration Setup Menu. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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Press UP or Down to scroll to desired setting. Press ENTER to save your selection. Temperature Format: This feature allows you to switch the temperature display between Fahrenheit and Celcius. From the Configuration Set Up Menu: USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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The Temperature Low Alarm inhibits temperature control, sounds audible and visual alarms, and sends a message to Poolcomm website during a low alarm condition. From the Configuration Set Up Menu: Press DOWN to find the Temperature Low Alarm item. Press ENTER to select Temperature Low Alarm. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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After 10 seconds, the controller will revert to the Configuration Setup Menu. Update FW via BL: This feature is used to update firmware on the controller. Please contact Hayward Commercial at 301-838-4001 if you have firmware issues with your controller. From the Configuration Setup Menu: Press DOWN to find the Update FW via BL Menu item.
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Caution: Demonstration Mode must never be used when the CAT 3500 is connected to active chemical feeders or otherwise in use as a water quality controller. The CAT 3500 is simulating pH and ORP values, and therefore is not sampling the sensors or monitoring water quality. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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0000 Press UP or Down to scroll to between numbers, use the Menu and Enter buttons to change digits up and down. Press scroll to the symbol and press ENTER to save your selection. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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(Default 240 Min.) Proportional, Fixed or Mixing Time ORP Feed ORP Mixing On Time 30 - 240 seconds ORP Mixing Off Time 30 - 240 seconds ORP Low Alarm 0 to 995 mV (Default 400 mV) USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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On for Specified Time Level/Flow Input #3 Setup Disabled, Digital Flow, Level 3/8” to 12”, 50mm to 315mm Digital Flow Pipe Size Blue, White or Signet Digital Flow Sensor Type Digital Flow Alarm Select Alarm Flow Rate USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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32 to 104 F, 0 to 40 C Display System Information ENTER to Display Update FW via BL ENTER to run BL Restore Factory Defaults ENTER to Restore Demonstration Mode Password Protect Operator Password Enter Password Dealer Password Enter Password USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
Although CAT Professional Series sensors are freeze-resistant, they must be protected from freezing temperatures when not in use. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
First, check the chemi- cal supply and chemical feeder. If both are in order, check the Overfeed timeout setting as it may need to be increased to keep up with chemical demand. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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NEMA Type 1, 4, 4X, 6, 12, 13 Flame Resistance UL94-5V (UL 746 C 5) Display 2 x 20 Character Vacuum Fluorescent Front Panel UV Protected Lexan Membrane Switch Key Type Embossed with Stainless Tactile Domes USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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ORP Low and High Alarms pH Priority Feed pH Overfeed Timeout ORP Overfeed Timeout Supplemental Feed Modes Optional Equipment Optical Level Sensors Digital Flow Rate Sensor Rotary Flow Sensor Sensor Output Signal Requirements 0-14 pH, 0-1000mV ORP USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
After obtaining a Return Merchandise Authorization form, any warranty claims should be directed to the following address: Hayward Commercial Pool Products 10101 Molecular Drive Suite 200 Rockville, MD 20850 (USA) 800-657-2287 301-838-4001 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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CONTENTS COPYRIGHT 2016 HAYWARD INDUSTRIES, INC. ALL RIGHTS RESERVED All other trademarks not owned by Hayward are the property of their respective owners. Hayward is not in any way affiliated with or endorsed by those third parties. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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