Frontal Panel Description - Verderdos ME - DUAL - PH/CL Manual De Regulatión

ENGLISH

FRONTAL PANEL DESCRIPTION

1.Display LCD 16 x 2 backlight
2.Green Led: ▪ fix = DUAL ON
▪ blinking = DUAL IN ALARM
3.Red Led: indicates the injections of pH PUMP
4. Red Led: indicates the injections of CL PUMP
5.CAL button : ▪ allows to enter in programming
▪ saves the changes
GENERAL FUNCTIONS OF DUAL :
- INSTANT VISUALIZATION OF pH, CL AND TEMPERATURE
- REAL TIME FLOWRATE% VISUALIZATION
- 3 POSSIBLE TYPES OF FUNCTIONING: MANUAL, ON/OFF, PROPORTIONAL
- 4 LANGUAGES MENU: ITALIAN, ENGLISH, FRENCH, SPANISH
- PASSWORD ENTRY
- START UP DELAY
- ALARM TIME OF OVERDOSAGE
-ALARM RELAIS (DRY CONTACT, NORMALLY OPEN)
- DEFAULT PARAMETER RESTORING
- pH STABILITY FUNCTION
- STOP DOSING ( STAND_BY )
- WATER FLOW CONTROL
- LEVEL CONTROL
- MEASURE OVER RANGE AND UNDER RANGE VISUALIZATION
CONNECTIONS
Rev 1.0
6/7. + and - buttons : ▪ allows to navigate through the menu
8. ESC button: ▪ allows to exit the menu
 Allows to visualize the instantaneous flowrate
9. STB button: ▪ puts DUAL in stand_by mode
A - Power cable, 230 V- 50Hz (upon request : 115 ~ )
B - ON_OFF switch. OPTIONAL
C - BNC connector for pH probe.
D - BNC connector for Amperometric CL probe.
E - Potentiostatic CL connector probe. See connections on
page 47
F - BNC connector for temperature probe OPTIONAL
G - Level probe connector (3 and 4 contacts) for CL pump.
OPTIONAL
H - Flow sensor connector (3 and 4 contacts). OPTIONAL
I - Alarm output connector (3 and 4 contacts); NORMALLY
OPEN OPTIONAL
L - Level probe connector (3 and 4 contacts) for pH pump.
OPTIONAL
Cod. 00.009.038
▪ Modifies the parameters values
13