Rola-Chem 554300 Dual ORP/pH Digital Controller - Manual (Page 7)

2.3 Description of Controls
pH ORP FLOW SWITCH pH OUTPUT ORP1 OUTPUT ORP2 OUTPUT POWER
1. FLOW LAMP
Illuminates bright when water flow is indicated.
Also indicates that power is on.
2. pH/ORP ALERT LAMPS
Illuminates red when the Hi or Low Alert levels
are reached.
3. CHEMICAL FEED LAMPS
pH FEED lamp flashes while feeding chemical
and illuminates steady during feed delay.
ORP1 & ORP2 FEED lamp flashes while
feeding chemical and illuminates steady during
feed delay.
4. pH/ORP DIGITAL DISPLAYS
Monitors pH and ORP and displays
programmed set points.
5. pH STANDBY LAMP AND
PROGRAMMING BUTTONS
When pH standby lamp is illuminated the six set buttons are enabled.
6. MODE BUTTON AND AUTOMATIC LAMP
Press Mode button to pH or OPR and then hold for 2 seconds for OFF.
Press and release Mode button to step from pH standby to ORP1 to ORP2 standby.
Press again to return to AUTOMATIC mode.
7. ORP STANDBY AND PROGRAMMING BUTTONS
When ORP1 lamp is illuminated the five SET buttons are enabled.
When ORP2 lamp is illuminated the three SET buttons are enabled.
8. pH/ORP SENSOR CONNECTORS- BNC type
Modes: The controller has five modes of operation:
• ON/OFF mode.
• AUTO mode- operating
• pH - setting mode
• ORP1- setting mode
• OPR2 - setting mode
To move from one mode to another simply press the MODE button.
The illuminated lamp indicates the current mode.
Rola-Chem Digital Controller PN 554331 6/01/2012 Page: 7 of 20