Aquasub engineering AQUA GROUP AQUATEX AVI-120 Panduan Pengoperasian - Halaman 7
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Halaman CetakUse good quality electrical accessories for safe operation and
electrical accessories must be sufficient rated. Consider local
regulation before commencing electrical installation.
Provide proper earthing. Do not connect the earthing wire to water
pipe, lightening rod or telephone earth wire. Improper earthing could
cause electrical shock.
Overload protection should be provided and to avoid the possibility of
dry running, it is strongly recommended to install dry running
protection device.
Warranty is void for coil failure and capacitor failure, if pumpset is
not operated in the prescribed Voltage range..
Priming : Pump should be filled by clear cold water before start-up.
Ensure that the pump is fully filled by water without air pockets. If air
pockets trapped in the pump, adjust the air screw to release trapped
air.
Do not run the pump dry, it could lead to mechanical seal damage
and product damage. Warranty is void if pump is not operated in
the prescribed operating range.
Start the pump in discharge valve closed condition, slowly open the
discharge valve and ensure the smooth and noiseless working. If
there any disturbance in operation re-prime the pump.
Check the current drawn by the motor. If necessary, adjust the
setting of the thermal relay. (Thermal relay is provided in single
phase 0.5HP and 1.5HP only).
Switch off the power supply and ensure the motor fully stopped,
before changing rotation or making any other adjustments.
For uninterrupted performance, planned maintenance and
inspection are indispensable. Please follow below guidelines while
maintaining or inspecting the pump.
Disconnect the power supply before starting maintenance or
inspection of the pump to avoid electrical shock.