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ENGLISH
Jandy
®
TruDose
TM
Chemical Controller
|
Installation & Operation Manual
2.2 Specifications
System Dimensions
8" L x 10" W x 6.5" D
Electrical input/output
Input : 100 - 240 VAC ~ 50 /
60 Hz 0.6A
Output : 24V DC - 1000 mA
24W
(Power supply provided)
pH Set Level
7.0 to 8.0
ORP set level
400 mV to 900 mV
pH dose timer
Off or timed cycle
Low Alert
pH 6.9, ORP 390mV
High Alert
pH 8.1, ORP 910mV
Readout
Functional LED and
numerical digital displays
that alternates between pH
and ORP (mV)
Alerts (low or high)
Red alert LEDs - solid
pH Overfeed Alarm
- Alert pH LED blinking
- Er1 displayed on the LCD
screen
ORP Overfeed Alarm
- Alert ORP LED blinking
- Er2 displayed on the LCD
screen
pH Sensor
ORP Sensor
Power
Flow Switch
Controller Communication
Digital Display
Pushbutton
LEDs
Salt Water
Chlorinator
Control
Peristaltic
Pump
for Acid
pH
7.2-7.6
ORP
600-800 mV
Figure 3. Controller Connections
2.3 Controller Panel Descriptions
2.3.1
Digital displays and function LEDs
a. pH
The measured pH value is displayed on the LCD screen.
• pH alert (low or high) - solid red LED
•
pH overfeed alarm - red LED blinking and "Er1"
displayed on the LCD screen
•
pH dose - running - fl ashing green LED
•
pH dose - time off - solid green LED
b. ORP
The measured ORP value is displayed in millivolts
(mV) and displayed on the LCD screen. (alternates with
pH).
• ORP Alert (low or high) - solid red LED
•
ORP overfeed alarm - red LED blinking and "Er2"
displayed on the LCD screen
•
ORP dose - timer on - fl ashing green LED
Mode - pushbutton adjustments
• Auto - red LED
• pH settings - green LED
• ORP settings - yellow LED
• OFF mode - in standby, press and hold mode button
for 3 seconds to turn controller off .
• Flow - green LED
•
Set Level - pushbutton adjustments (up/down)
•
Dose time - pushbutton adjustments (up/down)
•
pH Cal - pushbutton adjustments (up/down)
2.3.2
Electrical Connections (peripherals)
•
AC power - 100-240 VAC, 50-60 Hz
•
Flow Switch - from fl ow cell
•
pH sensor (blue) - BNC connection
•
ORP sensor (red) - BNC connection
• Saltwater chlorinator control - 24VDC
