H0493700.A - EN - 2014-07
8
3. Use
3.1 Activating the module
The power pack automatically detects the presence of a pH Link or Dual Link module. It is now ready to be used with
automatic pH control using the pH Link module or pH and ACL control using the Dual Link module.
3.2 Display
The LCD screen will display 2 extra lines:
- pH Link module:
pH set point
- Dual Link module:
pH set point
ACL set point
A '^' symbol appears to the right of the set point if the value measured by the equipment needs to be corrected automatically
(pH of water in the pool higher than the set point and/or insufficient chlorine level). Then pH minus is injected and/or
chlorine produced automatically according to the defined cycles.
By default, pH regulation (peristaltic pump in the module) is disabled and the LCD screen will display 'pH ---'.
It is enabled automatically about 8 hours after being turned on. To enable pH regulation immediately and so dis
-
play the set point on the LCD screen, see § 3.6.2.
3.3 Calibrating the sensor(s)
•
To operate accurately and reliably, the sensors must be calibrated before using the power pack with the module.
To maintain maximum efficiency of the unit, we recommend calibrating at least once every 2 months during the
period the swimming pool is being used.
• Ensure the sensors are cleaned before calibration (see § 4.1).
•
Confirm that the power pack is plugged in,
•
Stop the pool pump and isolate the sensors by closing any valves, so as to be able to
remove the sensors safely.
•
Disconnect the BNC cable from the top of each sensor then remove them (unscrew) from
the POD. Then reconnect the BNC cable to the sensors.
•
Rinse the end of the sensors with clean water and shake them to remove excess water.
Do not touch or wipe the glass bulb at the end of the sensors.
•
Put the pH sensor into a sample of the pH7.5 buffer solution supplied.
•
Put the ACL sensor into a sample of the 700 mV buffer solution supplied.
•
Leave the sensors immersed for about 1 minute to obtain a reliable measurement.
•
Press
or
the use the
or
keys to display "CALIB. PH" or "CALIB. PH\ACL",
•
then press
or
.
•
Use the
or
keys to display "CALIBRAGE PH" (pH Link and Dual Link) or " CALIBRAGE ACL" (Dual Link only) then
press
or
.
Note the measured value:
•
pH = 'X.X'
-
If the value is greater than 8.2 or less than 6.4: the sensor is dirty or has been damaged during transport. Clean the pH
sensor (see § 4.1) then repeat the above steps. If the problem persists, contact your reseller.
-
If the value is between 6.4 and 8.2, press
or
to begin calibration. The procedure takes about 15 seconds.
