Title 22 of California’s Water Recycling Criteria refers to California state guidelines for
how treated and recycled water is discharged and used. The standards require the
state’s Department of Health Services enforce water and bacteriological treatment
standards for pool/spa water in commercial pools.
The Commercial IntelliChem Chemical Controller meets Title-22 requirements to record
of historical log of sensor data including the water temperature. For more information,
refer to the Commercal IntelliChem Installation and User’s Guide (P/N 522669).
This upgrade kit includes installation instructions for:
- IntelliChem Controller Daughter Card - P/N 523470 (page 2)
- Water temperature sensor for use with a 10kΩ thermistor (page 3)
INTELLICHEM® CONTROLLER
TITLE 22 UPGRADE KIT
INSTALLATION INSTRUCTIONS
Kit Contents P/N 523537Z
• PCBA Daughter Card - P/N 523470
• Water Sensor with fitting 10' ecolab – P/N 820041000
• Strain Relief 1/4" npt heyco m4514 – P/N 521339
• Screw #6x3/4 ph phl ss plastite - P/N 523142
• IntelliChem Controller Installation Instructions (this manual)

TURN OFF POWER TO ALL POOL AND SPA EQUIPMENT BEFORE
STARTING.
CAUTION! DO NOT PLUG IN OR UNPLUG ANY SYSTEM COMPONENTS
WITH THE POWER ON. THIS MAY DAMAGE THE SYSTEM COMPONENTS.
2. Disconnect the DC Power Plug from the main Controller board.
3. Unlatch the Controller front door latch and open the door.
4. Remove the two screws securing the IntelliChem Controller main board, as
shown below.
5. Remove the PCB Daughter Card from the package.
6. Locate the male pins on the back of the PCB Daughter Card.
7. Align PCB pins with the pin socket on the main PCB. As shown below. Note:
Use the screw holes to align the PCB pins.
8. Once the PCB Daughter Card is in place, secure the board with the two
screws (provided in kit) removed in Step 3.
9. Reconnect the DC Power Plug on the main Controller board.