DDPHCL2_man_r1.0 – 03/2021
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PARAMETER 13
START-UP DELAY
This parameter allows to set a start-up delay, which is a time of waiting before starting measurements
to allow the correct polarization and stabilization of the measuring electrodes. This prevents unreliable
initial readings. Typically in the case of pH measurements one minute is enough, while for redox
electrodes may be necessary a delay of 30 minutes. This waiting time also allows to compensate for
any hydraulic delays which may occur at the start-up of the plant. Set a time (in minutes) during which,
after turning on the electronic unit, the system waits, measurements blink on the display and the pumps
are not active. After this time, the system begins normal operation.
PARAMETER 14
LANGUAGE
This parameter allows to select the display language.
PARAMETER 15
RESTORE THE DEFAULT SETTINGS
This feature allows to restore the factory configuration if you want to delete incorrect or undesired
settings. Once confirmed this option, all custom setting will be lost.
To enable the feature, enter the value “12” .
PARAMETER 16
PASSWORD
This parameter allows to enter a password (numeric value within 1 and 255) to protect the system from
unauthorized access. Once set and confirmed, the password will be requested to access the menus
“Advanced configuration” and “Manual mode”.
The instrument is supplied with no password set (P16=0).
Warning!
If you forget the password, you need to send back the unit to the factory for a complete
reconfiguration (out of warranty)!
PARAMETER 17
FUNCTIONING OF THE ALARM OUTPUT
This feature is not used for this unit.
PARAMETER 18
FLOW FUNCTIONING
This parameter allows to select the functioning mode of the “flow” input, normally open “NO” (factory
setting) or normally closed “NC”.
Warning!
The inversion of this parameter compared to the default setting can determine the functioning
of the device even in the absence of flow!
PARAMETER 19
pH EQUILIBRIUM
This parameter allows to set a maximum waiting time before activating the redox (chlorine) adjustment,
during which only the pH adjustment is active.
This time is counted from the start-up of the equipment, simultaneously to a possible start-up delay set
in P13, during which the entire measuring system is in stand-by.
In other words, the pH adjustment is activated after the start-up delay (P13) has elapsed, while the
redox (chlorine) regulation is activated when the pH reaches the set threshold (P02) or in any case at
the end of the “pH Equilibrium” period.
For example, if a 1-minute start-up delay is set and you want the pH is adjusted for a maximum of 15
minutes before also activate the redox (chlorine) regulation, the “pH Equilibrium” time should be set to
16 minutes.
To disable this feature, simply set the parameter to 0 (default).
Notes:
•
Once in configuration mode, if no button is pressed for 30 seconds, the unit automatically returns
to the idle mode.
•
The system is factory configured with default values; you can delete undesired settings and restore
the initial configuration, using the “RESTORE” function (P15).
