arowana Dynadose A75 User manual

Operating manual
Model: Dynadose A75
Mode
Button UP Button Down Button Select Button
Front Panel and Push-buttons combination
12VDC
Supply External
Pump
Signal
EC Probe USB
Drive
Web: www.arowanatech.in
No
Details Parameter
1
Input power
12VDC adapter 1
-2Amp
2
EC Probe
Conductivity cell K=1.01 (cable length 5meters)
4
Probe accuracy
+/
-0.15 EC
3
External pump
Potential free NO/NC contact
5
Threshold ON/OFF
0.15 EC forward diff for ON and Equal to for OFF
6
Data link scan time
10
-15 mints with date & time stamp USB drive
Disclaimer: Information provided in this document is proprietary to Arowana automation, and Arowana
automation reserves the right to make any changes to the information in this document or to any products and
services at any time without notice.

a. Power OFF the unit
b. Press “MODE” button & power ON the unit.
c. Display will show “SET DATE” refer fig-D1
d. Press “S/C” button, small double arrow sign (^^) will display at bottom line (4th line) & press
“UP” key to change the value of selected variable refer fig-D2
e. Press “MODE” to set time
f. Display will show “SET TIME” refer fig-D3
g. Repeat step no-d refer fig-D4
h. Repeat step no-e
i. Display will show set date & time with “Reboot the system” message.
a. For calibration, use solution of 1gm NACL + 500ml water (4EC/2000TDS)
b. Power OFF the unit
c. Place EC probe in calibrations solution
d. Press “Select” button and power ON the unit
e. Display will show refer fig-C1 and release “Select” button
f. Wait till display shows “Reboot the systems” refer fig-C3
a. Power OFF the unit
b. Press UP + DW button +
c. Power ON the unit
d. Release UP + DW button
e. Display will show “Reboot the system” (Please reboot the system)
Operating manual
Model: Dynadose A75
B. Default factory setting
C. Calibration mode
D. Internal RTC setting
------SET DATE------
DD/MM/YY
0 /0 /2019
------SET DATE------
DD/MM/YY
0 /0 /2019
^^
------SET TIME------
HH/MM/SS
0 :0 :0
------SET TIME------
HH/MM/SS
0 :0 :0
^^
EC Probe
Calibration mode EC Probe Calibration mode
Please wait……….
Calibration done
Reboot the system
Fig-C1 Fig-C2 Fig-C3
Fig-D1 Fig-D2 Fig-D3 Fig-D4
a. Power ON the unit (wait till display show fig-A3)
b. Press “UP” to increase the set EC/TDS value and “DW” button to decrease set EC/TDS value
A. EC parameter setting
****************
AROWANA…………..
……..AUTOMATION
****************
Fig-A1
--------------------------
DYNADOSE A75
Nutrient Controller
--------------------------
Fig-A2
01.04.19 10:10:35
<<-CV->> <<-SV->>
EC: 4.00 EC: 3.00
TDS:2000TDS:1500
Fig-A3
Web: www.arowanatech.in