ROLA-CHEM Digital Controller PN 554135 12/26/18 Page: 11 of 24
Hi Alert
: Pressing the HI ALERT button allows the operator to set or turn off the HI alert level
feature. As the button is pressed the ORP readout will scroll through the available HI alert
ORP levels (650 mV to 900mV, preset at 900 mV). Release the button when the desired
level is reached.
Low Alert
: Pressing the LOW ALERT button allows the operator to set or turn off the Low
alert level feature. As the button is pressed the ORP readout will scroll through the
available ORP levels (100 mV to 640 mV in 5 mV increments and “OFF”). Release the
button when the desired level is reached. The pH CALIB button is not functional in the
ORP mode.
Note: If the ORP reading is out of the pre-set alert range for more than ten (10) minutes the
ORP red alert lamp will illuminate and the ORP feeder will be disabled. The system will
automatically reset when the water chemistry has been corrected.
Consecutive Feed Alert Limit
: The Digital Display numbers will flash and the pump/feeder
will not activate if the Set Level is not reached within the preset Consecutive Feed Alert
Limit. See appendix for adjusting Limit.
