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vfd water pump,
brushless motor water pump
Mini 12v DC Water Pump Variable Frequency Drive Water Pump Home Garden Pond Use
|Model||Power(W)||H-max(M)||Max-flow L/H||Hose Size mm||Voltage|
1. You should make the pump working in the standard rotate speed in use process, don't speed up at will, in order to avoid potential safety hazard and impact the useful life of the pump.
2. Direct coupled type pump units:the chassis must remain stable, so as not to damage the coupling.
Belt wheel type pump units:the two pulleys must be aligned, the belt loose or tighten must be moderate. If the pump doesn't turn, it is generally because the impeller-ring get rusty, you can use the mallet knocking the coupling axially.Pump mounting height(in order to suction the water tank as the base)should be less than the permit smoking on 1-2meter high vacuum.
3. You should stop the engine if you discover abnormalities(such as noise, shock, hydraulic discharge descend etc.),and attention the bearing heat up, the temperature can't exceed 75°C.
If stop using for a long time, you should discharge the water in the pump, overhaul and oil, keep it in a dry and ventilate shade.
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