DHG07-48/42 small cell power user manual<A>
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Safety Precautions
Read the operating instructions and precautions carefully before starting installation or operation to
avoid accidents. The “Caution, Warning, Hazard” and other matters in the product and product
manual do not represent all the safety precautions that should be observed. They are only used as a
supplement to the safety precautions in various installation and use operations. Therefore, the
person responsible for product installation and operation must undergo professional training, master
the correct operation method of the system and various safety precautions before installing or
operating the equipment.
In the installation or operation of the company's equipment, it must comply with the relevant industry
safety regulations and engineering design specifications, and strictly abide by the relevant
equipment precautions and special safety instructions provided by Beijing Dynamic Power Co., Ltd.
Electrical Safety
Grounding
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When installing the device, you must first install the PGND cable. When you remove the device,
you must remove the PGND cable.
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Ensure that the equipment is reliably grounded before powering up.
High voltage
Some parts of the power system are operated with high voltage, and direct
contact or indirect contact with these parts through wet objects can be fatal.
Improper, incorrect operation may result in accidents such as fire or electric
shock. The area where the AC cable is routed must comply with local
regulations and specifications. Personnel performing various high-voltage
operations must have high-voltage, AC operation qualifications.
⚫
The installation of this equipment must comply with the safety regulations of the relevant
industry and the engineering design specifications of the equipment. The personnel who
perform the equipment installation operation must have the qualifications of high voltage and
alternating current.
⚫
A prohibited sign must be attached to the device or switch that cannot be operated during the
installation process.
Tools
When performing various operations on high voltage and alternating current,
special tools must be used, and ordinary or homemade tools must not be
used.
Short circuit
It is strictly forbidden to short-circuit the positive and negative DC power
distribution of the power system or short-circuit the non-grounding pole (end)
to the ground. The power supply equipment is a constant voltage DC power
supply equipment. When short circuited, it will cause strong arc or equipment
fire, which will endanger the safety of people and equipment.
