Selectable features, Features and options – Rola-Chem 554300 Dual ORP/pH Digital Controller User Manual
Page 6

2.2 Specifications
Parameter
Display
Control Factory Default .
pH:
6.8 to 8.4
7.0 to 8.0
7.4
ORP:
0 to 995 mV
ORP1: (5 mv increments)
400 mV to 900 mV 650mV
ORP1: (5 mv increments)
400 mV to 890 mV 640mV
Input Power
120 Volts AC, 50/60 HZ, 3 wire grounded power cord.
Combined load not to exceed 15 amps.
GFCI source required
Output Power
120 Volts AC, 50/60 HZ, ORP1, OPR2 and pH , 5 amps each (fused)
Two 3-wire grounded power receptacles
Terminal strip for hardwire applications (included)
Displays:
ORP and pH – red digital
Power and flow indicator – LED (blue/green)
Alert indicator & Feed indicator- LED (pH, ORP1& OPR2)
Mode indicator- LED (pH ,ORP1, ORP2 , Auto)
NOTE- feed lamps flash during the feed time and are on constant during the delay time of the
feed cycle.
O
perating Temperature: 40 to 120° F
Selectable Features
+ ORP1& ORP2 settings
+pH settings
+ Manual feed (Feed Once)
+ ORP1& ORP2 feed/delay times + pH feed/delay times + pH calibration
+High & low ORP and pH alerts + Reset
+ Acid/base feed
+ Keypad Lockout
+ Adjustable time-out
+ ORP and pH Interlock
Features and Options
+ Flow switch input
+ Individually fused outputs + 120 vac transformer
Rola-Chem Digital Controller PN 554331 6/01/2012 Page: 6 of 20