SI23 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
1.The solar pump shall be installed in restricted access cabinet or area and is accessed by qualified electric service
personnel only.
1.To reduce the risk of electric shock, do not perform any servicing other than that specified in the operating instructions
unless you are qualified to do so.
●Installation
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.
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
1. Wire is connected only when the main circuit is cut off, otherwise there is a danger of shock.
2. Wire is connected by professional person only. Otherwise there is a danger of shock.
3. Earth must be reliable. Otherwise there is a danger of shock.
4. AC power supply should not be connected with output ports U, V, W, otherwise there is a danger of damage to frequency
VFD.
5. No drop of bolt, spacer, metal stick, conducting wire or other things into the inner of frequency VFD; Otherwise there is a
danger of fire or damage to frequency VFD.
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