Hayward HydroRite UVO3 Troubleshooting Manual page 20

Calibrating the HydroRite
NOTE: Calibration of the UV lamps SHOULD ONLY be conducted when all three lamps
have been replaced. DO NOT calibrate if servicing the vessel or quartz sleeves only.
Step 1 Step 2
Once new lamps have been installed, plug in Access the menu by holding the menu button
the controller & make sure lamps are off. located just above the center of the screen.
Step 3 Step 4
Toggle the display, using the arrows, until The display should show 'YES', press enter
"CAL" appears & then press enter. again to accept.
IMPORTANT: Prior to Calibrating the HydrorRite, the water MUST be balanced (including
20
target free chlorine levels between 1-3ppm).