III
Important Safeguards and Warnings
The following description is the correct application method of the VTO. Read the manual carefully
before use, in order to prevent danger and property loss. Strictly conform to the manual during
application and keep it properly for future reference.
Operating Requirements
Do not expose the device to direct sunlight or heat source.
Do not install the device in a humid or dusty area.
Install the device at stable places horizontally to prevent it from falling.
Do not drip or splash liquids on the device, or put on the device anything filled with liquids.
Install the device at well-ventilated places and do not block its vent.
Use the device only within rated input and output range.
Do not dismantle the device by yourself.
Transport, use and store the device within allowed humidity and temperature range.
Power Requirements
Use electric wires recommended in your area, and within their rated specification.
Use power supply that meets SELV (safety extra low voltage) requirements, and supply power
with rated voltage that conforms to Limited Power Source in IEC60950-1. For specific power
supply requirements, see the label on the device.
Appliance coupler is a disconnecting device. During normal use, keep an angle that facilitates
operation.