EN
Installation and operating manual
DRYPOINT
®
AC 410 – 495 | DRYPOINT
®
AC 410 – 495 MS
21
2.3.5. Text display (dew point control version)
After successful start-up, the current operating state of the plant is indicated by LEDs on the display.
1
2
3
4
5
6
1
MODE button to select operating
mode
2
SET button (to confirm entry)
3
Text display
4
Power LED
5
Service LED
6
Alarm LED
2.3.5.1. Button functions
Press the MODE button to scroll down through the display texts. After the last display text, the first one is displayed
again.
Press the SET button to return to the first display text.
The SET button is also used to access the "second level" of the control. This is the service level where you can
acknowledge service messages, change text language and adjust a number of other parameters.
This example of changing the display language from German to English explains how the service level is accessed
and works.
• Simultaneously press and hold the MODE button and the SET buttons for minimum 3 seconds.
• Message "Service Mode 1.0" is displayed (1.0 = software version).
• Press the MODE button until "Land" (country) is displayed.
• Press and hold the SET button for minimum 3 seconds (to access the memory).
• "Deutschland" (Germany) is displayed.
• Press the MODE button to change to "Great Britain".
• Press and hold the SET button for minimum 3 seconds (to close the memory).
• "Great Britain" is displayed.
• If no button is pressed for the next 10 seconds, the service mode times out and the new settings are not saved!
To leave the service level, press and hold the MODE and the SET buttons for minimum 3 seconds.
The system automatically exits the service level, if no changes are made (buttons are pressed) for 5 minutes.
2.3.5.2. Display layout
The display shows the current status of the plant and any service or alarm messages.
Table 1 shows the various display texts. The menu consists of 2 levels
At the first level, you can scroll through the texts by pressing the MODE button. During plant operation, the display
always shows the current plant state.
To access the second or service level, simultaneously press the MODE and SET buttons for minimum 3 seconds.
At the first level, you can scroll through the texts by pressing the MODE button. To make changes, proceed as
described in “2.3.5.1. Button functions”.
NOTE
Behaviour of control after restart and power failure
After a restart or power failure, pressure is built up again to the point at which the container
operation was interrupted. The last state of the container is saved.
