SI21 Solar Pump VFD Manual
1
Chapter 1 Safety Requirement and Cautions
To ensure safety of your health, equipment and property, please read this chapter carefully before using the
frequency VFD and act in compliance with the instructions when installing, debugging, running and overhauling
the frequency VFD.
1.1 Safety Definition
Danger: it will cause danger of serious injuries and even death while operating against the rules.
Caution: it will cause danger of light injuries or equipment destruction while operating against the rules.
Note: some information is useful while operating and use frequency VFD.
1.2 Safety Requirements and Cautions
● Before Installation
Danger
1. Only qualified personnel can operate the equipment. Before operating, be sure to carefully read the manual
about safety, installation, operation and maintenance. The safe operation depends on the proper processes of
choosing models, carrying, installation, operation and maintenance.
Danger
1. Don’t use the damaged or incomplete frequency VFDs; Otherwise, there is risk of injury.
● Installation
Danger
1. Please install the frequency VFD on metal or other nonflammable material, and keep it away from the
combustible material. Otherwise there is danger of fire.
2. No unauthorized modification to the frequency VFD; Otherwise there is danger of damaged.
3. Normal frequency VFD, which is not explosion-proof, can not be installed where with explosive gas or dust;
Otherwise there is danger of explosion.
Attention
1. When two frequency VFDs are installed in the same control cabinet, pleas pay attention to the installing place
to guarantee the effective heat dissipation.
2. When carrying the frequency VFD, ease support its bottom.
● Wiring
Danger
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