Owner`s manual

TO CHANGE THE ORP SETPOINT:
The CAT 4000 is programmed at the factory to maintain ORP at 650 mV by default.
This is the generally accepted world standard for safe drinking water. In order to
maintain a given chlorine or bromine residual in conformance with Health
Department standards for a particular body of water, perform the following:
Check and balance pH, calcium hardness and total alkalinity.
Manually feed chlorine or bromine to desired ppm residual.
Note the displayed ORP value. This will be used as the setpoint.
While in normal operating mode:
Press MENU.
Press DOWN to find the ORP Setpoint menu item.
Press ENTER to select ORP Setpoint.
The current ORP setpoint will be displayed:
Press UP or DOWN to select the setpoint noted above.
Press ENTER to save your selection.
The controller will automatically return to normal operating mode in 10 seconds.
TO SELECT ORP FEED MODE:
The CAT 4000 is programmed at the factory to operate in automatic feed mode as the
default setting. Other ORP feed mode selections include off (disabled), and manual
on for a fixed interval up to 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:
Press UP or DOWN to find the desired selection.
Press ENTER to save your selection.
The controller will automatically return to normal operating mode in 10 seconds.
The off (disabled) mode is useful when servicing ORP feed equipment, or if sanitizer
chemical supply has been depleted. The manual on mode allows constant chemical
feed for a fixed interval of up to 25 minutes, useful when the addition of extra
chemicals is desired, as well as initial balancing of the water.
ORP Setpoint
650 mV
ORP Feed Mode
Automatic Feed