Rola-Chem RC554X ORP Digital Controller - Manual (Page 6)

Rola-Chem Digital Controller PN 554237 02/17/2014 Page: 6 of 12
3.2 Specifications
Display:
0 to 995 mV
Control: 400 to 900 mV
Factory default: 650 mV
Input Power
120 Volts AC, 50/60 HZ, 3 wire grounded power cord.
GFCI source required
Output Power
120 Volts AC, 50/60 HZ, 5 amps (fused)
Two 3-wire grounded power receptacles
Terminal strip for hardwire applications.
Displays:
ORP reading -red digital LED
Flow/Power indicator -green LED
Auto (operating mode) indicator -red LED
Alert indicator -red LED
Feed indicator -green LED
Note: lamps flash during feeding and are on constant during delay time of feed cycle.
O perating Temperature: 40 to 120° F
Features and Options
+ORP setting
+ ORP feed/delay time + alert (high & low)
+ Flow switch input + Feed time out + fused output
3.3 Description of Controls
Modes: The controller has two modes of operation:
• ON/OFF/Set mode
• AUTO mode- operating
To move from one mode to another simply press the MODE button.
On/off /Set mode:
• To turn the controller “on”, press the MODE button.
• To turn the controller “OFF” press MODE so the AUTO light is off and hold the
MODE button for two seconds until the ORP displays read “OFF”.
Release the MODE button, the controller turns off and the display goes blank.