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f) Connecting consumers
First ensure that the total power of all consumers connected to the lab mains unit together does not
exceed the maximum output of the lab mains unit.
The consumers should always be switched off when they are connected to the lab mains unit. Otherwise,
sparks may result that will damage the output sockets of the lab mains unit as well as the plugs used by
you.
• If this has not been done yet, connect the lab mains unit and switch it on (see chapter 7. a).
• Provide the required operating voltage for the respective consumers; see chapters 7. b) and 7. c). The same ap-
plies to the current limitation.
If no current limitation is to be used, set the current value to maximum.
• Deactivate the DC output; push the button "OUTPUT ON" (2), so that the green LED in the button is not lit.
• Connect the negative connection (-) of the consumer to the DC output socket "-" (4) of the lab mains unit.
Then connect the positive connection (+) of the consumer to the DC output socket "+" (8) of the lab mains unit.
Use sufficiently sized cables (depending on the output current).
The lab mains unit has 4 mm safety sockets, so that corresponding 4 mm-banana plugs are required.
• Check again that the output voltage shown in the display of the lab mains unit corresponds to the operating volt-
age of the consumers.
Then push the button "OUTPUT ON" (2) to activate the DC output; the green LED in the button lights up.
The current values for current and voltage appear in the display.
On demand, you can also adjust the value for the current limitation or the value for the current control with the
output sockets released.
• To deactivate the DC output; push the button "OUTPUT ON" (2), so that the LED in the button goes out.
8. CLEANING AND MAINTENANCE
The lab mains unit is maintenance-free for you apart from occasional cleaning and fuse change; never
disassemble it.
Opening of the lab mains unit, maintenance and repairs must only be done by a specialist.
Cleaning
Always switch off the lab mains unit before cleaning and disconnect it from the mains voltage (pull the mains plug).
Clean the product only with a dry, soft, clean cloth. Dust can be removed easily with a dry, clean brush and a
vacuum cleaner.
Do not use any aggressive cleaning agents for cleaning, or even chemicals; this may cause not only discolouration
but also damage to the product.
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