BOOSTER PUMP SYSTEM 49
BOOSTER PUMP SYSTEM N747D
1. Inverter reset Key
Key is used to re-start inverter in inverter error state.
Up to 2 sets of inverters can be used, and pressing
Key resets the inverter in
trouble among two inverters (Two inverters are optional)
2. Main screen Key
Pressing Key enables to move to initial screen.
3. Alarm display and reaction
When alarm is given, buzzer sounds and lamp blinks. At the same time, the alarm notes
are displayed on LCD screen. To stop the buzzer, just press any key of the controller
keys. Lamp keeps blinking until the root cause of alarming is fully cleared.
Displaying items on LCD screen when alarm is given;
1. No water in the pipe line - Alarming low level
2. Motor overheating P1 TRIP - Motor overloaded
3. Sensor is abnormal - Sensor trouble
4. Inverter is abnormal (In emergent operating) - Inverter trouble.
5. Pressure is too high - High pressure alarm
6. Pressure is too low - Low pressure alarm
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