Graf SILENTIO, User Information, Page: 6 / 28

1.7 Power Supply
The equipment exclusively operates with the operating voltage indicated in the
manual.
1.8 Cable Connection
When installing the cable connections, the user needs to pay attention to
the safety regulations. Always pay attention to the connection to the
protective earth ground! Pay attention when connecting with other
devices, that those have to be of the same earth potential (same heavy
current/voltage side).
1.9 Ventilation
The equipment must be installed in so that good ventilation to the device is
ensured. Do not put any covering objects on the device, such as newspapers, books
or towels.
1.10 Water and Moisture
The device is not allowed to operate in close vicinity of electrical
conductive liquids or moist areas. It is not allowed to place any liquid
things on the device or in the nearby area of the device.
Attention: Danger of Electric Shocks!
1.11 Temperature and Heat
The operating temperature of the device is defined in the specifications. The device
must not be placed near things which produce heat such as to blowers, heaters,
furnaces or other devices.
1.12 Opening the Device
Disconnect the mains plug before opening the device!
There is a risk of electrical shock when touching the parts inside the
device. It is not permitted to make any changes in the device.
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