Handling And Control; Display; Functions Of The Display Components - Thermo Scientific Safe 2020 Operating Instructions Manual

Operating Instructions Safety Cabinet Safe 2020 / Maxisafe 2020
6.

Handling and control

6.1

Display

Fig. 13: The display in the light dome is used as indicator and output instrument
for:
• status messages,
• parameter input and output.
6.1.1

Functions of the display components

[1] Display segment for numbers and text
Value displays
The LEDs 2-5 illuminate when the corresponding value is called up:
[2] Display time (yellow LED), usually the active standard display
[3] Display downflow velocity (yellow LED)
[4] Operating hours after last filter replacement (yellow LED)
[5] Display Performance Factor (yellow LED)
Keys
[6] Potential-free contact for solenoid
[7] Set time
[8] Move window up
[9] Switch internal outlet on/off (the LED [17] indicates that voltage is applied)
[10] Move window down
[11] Switch UV disinfection on/off (the yellow LED indicates that the UV
disinfection routine has been activated; if the optional UV lamp is not installed,
the function of this key is disabled).
[12] Switch device on/off (switch-off only in stand-by mode, see Chapter 6.3)
[13] Toggle display: Time, downflow velocity, operating hours, performance factor
[14] Switch work space illumination on/off
Function displays
The LEDs 15 - 18 illuminate only when the corresponding value is called up:
[15] Ventilation reduced (yellow LED)
[16] Potential-free contact activated (yellow LED)
[17] Internal power supply activated (yellow LED)
[18] UV disinfection routine activated (yellow LED)
Status displays
The LEDs 19/20 and 21/22 show the operating condition of the device as
either/or conditions:
[19] Front window is not in working position (red LED)
[20] Front window is in working position (green LED)
[21] Airflow is not steady (red LED)
[22] Airflow is steady (green LED)
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