Selectable features, Features and options – Rola-Chem 554000 ORP/pH Digital Controller User Manual
Page 6

2.2 Specifications
ORP & pH Ranges ORP
pH .
Display:
0 to 995 mv.
6.8 to 8.4
Control:
400 mv to 900 mv 7.0 to 8.0
(5 mv increments)
Factory default:
650 mv
7.4
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, 5 amps (fused) for both ORP and pH
Two 3-wire grounded power receptacles
Terminal strip for hardwire applications (included)
Displays:
ORP and pH – red digital
Power and flow indicator - LED
Alert indicator & Feed indicator- LED (ORP & pH)
Mode indicator- LED (pH ,ORP , 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
+ ORP and pH settings + High and low ORP and pH alerts + ORP and pH feed/delay times
+ Manual feed
+ pH calibration
+
Acid/base
feed
+ Keypad Lockout
+ Adjustable time-out + ORP and pH Interlock
+ Reset
Features and Options
+ Flow switch input
+ Individually fused outputs + 120 vac transformer
2.3 Description of Controls
1. WATER FLOW LAMP
Illuminates bright when water flow is indicated. Also indicates that power is on.
Rola-Chem Digital Controller PN 554102 6/01/2012 Page: 6 of 20