Water Pump motor with Auto & manual wiring diagram l

how a water pump motor works based on bottom and top float switch signals in auto mode and the manual mode operation using on/off controls:

Water Pump Motor Working
1. Auto Mode Operation (Using Bottom and Top Float Switch Signals)
In auto mode, the water pump motor's operation is controlled by two float switches:

Bottom Float Switch: Detects the low water level.
Top Float Switch: Detects the high water level.
These switches work together to ensure the tank or reservoir is neither empty nor overfilled, automating the pump’s operation.

Working Mechanism in Auto Mode:

Pump Start Condition (Low Level):

When the water level drops below the bottom float switch, it sends a signal to the control system (via a relay or contactor) to start the pump.
The pump motor activates, refilling the tank with water.
Pump Stop Condition (High Level):

As the water level rises and reaches the top float switch, the switch signals the control system to stop the pump.
This prevents overfilling of the tank and conserves energy.
Continuous Monitoring:

The float switches monitor the water level in real time, ensuring the pump operates automatically when needed.
If the water level fluctuates between the two thresholds, the pump will cycle on and off as per the signals.
2. Manual Mode Operation (Using On/Off Controls)
In manual mode, the pump’s operation is entirely under the user’s control, independent of the float switches. This mode is typically used for testing, maintenance, or emergencies.

Working Mechanism in Manual Mode:

Pump ON:

The user manually turns on the pump by pressing the ON button or flipping the switch to the ON position.
The pump runs continuously, regardless of the water level.
Pump OFF:

The user manually turns off the pump by pressing the OFF button or flipping the switch to the OFF position.
The pump stops, and no automatic intervention occurs.
Caution in Manual Mode:

Since float switches are bypassed in this mode, the pump may run even when the tank is full or empty, which could lead to:
Dry running if the pump runs without water.
Overflow if the tank fills beyond capacity.
To avoid these issues, the user must monitor the water levels closely during manual operation.