Hanna-instruments HI 8000 Series Instrukcja Użytkownika Pobierz pdf (Strona 51)

Ctrl in Pre / Post

Press Y (yes) then ENTER to control pH prior and after irrigation.

Use acid in pHCtrl

Press Y (yes) or N (no) then ENTER to control dosing of acid or base.

5.9.2 ALARM BEHAVIOR – S 52

Ctrl on pH alarm: Y

Irrig on pH alarm: Y

Ctrl on EC alarm: Y

ALARM BEHAVIOR S52

This panel allows the selection of specific alarm behavior. Once entering the set

mode, one of the three choices can be selected using the arrow keys. Y (yes) can

be entered next to the selected option. Y (yes) and N (no) keys are used to select

the option of continuing or stopping control or irrigation during a pH or EC

alarm condition. This panel displays and allows the setting of the following

parameters:

Ctrl on pH alarm

Pressing Y (yes) then ENTER allows the controller to continue the pH con-

trol execution during a pH alarm condition.

Irrig on pH alarm

Pressing Y (yes) then ENTER allows the controller to continue irrigation

during a pH alarm condition.

Ctrl on EC alarm

Pressing Y (yes) then ENTER allows the controller to continue the conduc-

tivity control execution during an EC alarm condition.

5.9.3 IRRIG CTRL MODE – S 53

Volume control: N

Time control: Y

IRRIG CTRL MODE S53

This panel allows the selection of control based on time or volume. This feature,

once set applies to all programs of the Fertigation Controller. Y (yes) and N (no)

keys are used to select only one of the two options. Switching the control mode is

only possible if no active programs are running.

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Hanna-instruments HI 8000 Series Instrukcja Użytkownika Strona 51