Retsch AS 450 basic - Handbuch (Seite 16)

Transport, scope of delivery, installation
16
A bracket for wall mounting (BW) can be found on the control panel (B).
You will need 2 screws (maximum diameter 4 mm) and 2 corresponding wall plugs
for wall mounting.
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4.8 Setting the power frequency
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When the device is switched on the set value for the frequency of the power supply
is displayed for 2 seconds. The corresponding values are indicated on the display
field (At) of the control unit. The first two digits on the display designate the
frequency that has been set on the machine.
This value is “50” or “60” depending on the frequency of the power supply.
NOTE
The following steps must be executed before carrying out testing if the wrong
frequency is displayed for the local power supply on site.
• Switch the power off at the mains.
• Press the SETTING (B2) button and the - setting button (B4) and switch the
mains (H) back on.
• Keeping the buttons pressed, check the display.
– After the set frequency has been displayed the number “8”appears for all
digits.
• Release the buttons.
– The letter “H” is displayed for the last digit on the display.
• Select the + button (B3) for 60 Hz or the - button (B4) for 50 Hz.
The program will be initialised and carries out the corresponding routine for the
selected frequency.
If “rSt” is displayed on the display, this means that the START / STOP button (B5)
is being pressed.
At B2
B3
B4
H