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two pumps to operate at different pressure with non dry run control

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IT CONTROL DOMESTIC OR INDUSTRIAL WATER FLOW PRESSURE

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Posted By Samuel Kehinde Adegun { follow user } 5 months ago 6/21/2021 6:50:15 AM in Electrical { follow category }

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This is just a contol cct diagram for two numbers of pumps for industrial/estate use.The second pump will only come if the number(s) of users increase.While the two pumps will be at rest if no user.It was also incoporated with separate flow switch for non dry run incase there is no water in the storage tank

F1 & F2 are Fuses at require rated of pump.

M1 and M2 are Pump1 and Pump2 contactors coil.

O/L is overload thermal relay.

F/S is the flow switch.

P/S is the pressure switch.

A means operation in Auto Mode,

H means Operation in Manual mode

Three numbers of Indicator lamps; for Run,Off and Trip.

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