PD series of solar DC pumping controller operation manual Safety Instruction
III
Danger
1. Maintenance and inspection must be performed by a qualified electrician.
2. Do not dismantle the controller during operation. The controller must be
powered off at least 5 minutes before conducting maintenance and inspection,
s is to avoid the residual voltage of electrolytic capacitor in major loop
causing personal injuries.
3. It is absolutely forbidden to reconstruct the controller by oneself, as this can
cause personal injury or equipment damage.
4. The controller shoul
d be treated as industrial waste when being abandoned.
During incineration, the electrolytic capacitor is possible to explode and some
parts may produce toxic and harmful gas.
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