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Water Pump Controller

Water Pump Controller

BOTTOM LEVEL

TOP LEVEL

FLOAT-2

FLOAT-1

N/C

N/O

N/C

N/O

M

X1 = 230V AC PROMARY TO 24V AC, 250mA SECONDARY TRANSFORMER

S1, S2 = MICRO SWITCH

S3

Manual

X1

M = MOTOR

230V AC

50HZ

S4

POWER

ON

CONTACT-1

RL1

24V AC

2 C/O RELAY

S1

S2

N/C1

P1

N/C2

P2

N/O1

N/O2

CONTACT-2

Water Pump Controller

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publish time: 2020-09-24
Circuit Everyday

This is a simple circuit used to control the water level of an elevated water tank. The pump controller is a step-down transformer, a 24V AC double conversion relay, two floats, and two micro switches. Regardless of the coil voltage, any available relay can be used. Of course, the rated current of the contact should be considered based on the motor power. Since the circuit works under alternating current, there is no need for rectification. The microswitches S1 and S2 fixed on the top of the water tank are operated by separate floats.

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