Hayward HCC 2000 Controller Package HCC-2000-Automated-Controller-Owners-Manua - Page 17

pH Manual On Indicator (#8) This green LED is illuminated when pH feeding is manually activated. ORP Alarm Indicator (#10) Illumination of this red indicator is accompanied by an audible alarm and indicates that ORP is outside of the safe operating range. Check that the ORP chemical feeder is functioning properly and that an adequate supply of sanitizer is available. ORP Digital Display (#11) The red digital numeric display of the ORP channel of the controller normally indicates the current ORP (oxidation-reduction potential) of the pool or spa water passing through the filtration system. Pressing the ORP Setpoint Adjustment Button until the red "SET" LED is illuminated causes the ORP setpoint to be displayed. ORP Setpoint Adjustment Mode Indicator (#12) This green LED is illuminated whenever the controller is in the ORP setpoint adjustment mode. ORP Automatic Control Indicator (#13) This green LED is illuminated when ORP is under automated control. ORP Manual Off Indicator (#14) This red LED is illuminated when ORP feeding is manually disabled. ORP Manual On Indicator (#15) This green LED is illuminated when pH feeding is manually activated. HCC 2000 Indicator Designations & Functions DESIGNATION COLOR/TYPE DESCRIPTION 1 GREEN LED pH FEED INDICATOR 2 RED LED pH OUT OF RANGE ALARM 3 DIGITAL DISPLAY pH INDICATOR/SETPOINT/CALIBRATION 4 GREEN LED pH SETPOINT ADJUSTMENT MODE INDICATOR 5 GREEN LED pH CALIBRATION MODE INDICATOR 6 GREEN LED AUTOMATIC pH CONTROL INDICATOR 7 RED LED pH FEED MANUALLY DISABLED 8 GREEN LED pH FEED MANUALLY ACTIVATED 9 GREEN LED ORP FEED INDICATOR 10 RED LED ORP OUT OF RANGE ALARM 11 DIGITAL DISPLAY ORP INDICATOR/SETPOINT 12 GREEN LED ORP SETPOINT ADJUSTMENT MODE INDICATOR 13 GREEN LED AUTOMATIC ORP CONTROL INDICATOR 14 RED LED ORP FEED MANUALLY DISABLED 15 GREEN LED ORP FEED MANUALLY ACTIVATED 16 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS