Bühler technologies Nivotemp NT 64D Notice De Montage page 13

Nivotemp NT 64D, Nivovent NV 74D
Example:
1 Filter cover with filter
case and seal
2 Filter element
3 Flange cover and seal
4 Plastic screws
5 Level contacts
6 Pt100
5 Operation and control
NOTICE
The device must not be operated beyond its specifications.
5.1 Start-up procedure
The device will automatically switch on when connected to
power. It will first briefly display the software version, at
which time the device will also check the built-in components.
The display will then switch to displaying measurements.
The following describes the function of the display and control
unit:
LEDs
Control keys
If an error message appears in the display during operation,
please refer to the Troubleshooting table under chapter "Ser-
vice and Repair".
5.2 LED statuses
LEDs above the measurement display indicate the status of
the temperature switching outputs. The LEDs are perman-
ently assigned to the switching outputs.
The following table shows the factory settings:
LED 1 – yellow
Status switching output 1
LED 2 - red
Status switching output 2 (if applicable)
LED 3 – yellow
Status switching output 3 (if applicable)
LED 4 – red
Status switching output 4 (if applicable)
The switching characteristics of the LED (on if switching con-
tact closed or open) can be changed.
BX100018 ◦ 02/2024
7 Display housing
8 Plug connection 2M12
9 Flange
10 Switching tube
11 Pt100
Display
5.3 General key functions
The keys below the display are used for operation.
The menu controls are detailed in the following chapters.
Key Mode
• Measurement
display:
• In the menu:
• At the end of
the menu:
• Following in-
put/selection:
• Measurement
display:
• In the menu:
• Measurement
display:
• In the menu:
• In the menu:
+
• In the menu:
+
60 s • In the menu:
no ac-
tion
To select a menu item and to enter values:
• Open the main menu with the
• Select the submenu with the
submenu with the key.
• If necessary, select the next submenu with the
keys and open with the
• Select the desired menu item with the
open the list of values with the
• Set the value with the
the key. The new settings will the saved and the device
will return to the submenu.
• Select the menu item EXIT to exit the submenu and con-
firm with the key. The device will return to the next
menu level up or to the measurement display.
5.4 Keylock enabled
With the keylock enabled, selecting the menu with the
will display in place of the main menu. The active
digit will be indicated by a dot.
Function
Change measured variables dis-
played.
Move down one menu level.
Move up one menu level.
The display indicates the end of
the menu.
Confirm and save a numerical
value entered or a function selec-
tion. The display will flash if a
parameter has been changed.
Displays the configuration.
Scroll up menu item, numerical
value or function selection. Hold-
ing the key will continuously
scroll.
Go to main menu.
Scroll down menu item, numerical
value or function selection. Hold-
ing the key will continuously
scroll.
Exit the main / sub / drop-down
menu and return to displaying the
measurement without saving
changes to the parameters.
Move to the next higher menu
level.
Exit the main / sub/ drop-down
menu.
key.
and keys and open the
and
key.
and keys and
key.
and keys and confirm with
Bühler Technologies GmbH
key
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