Pressure switch and motor

by Mr Win
(Singapore)

Hi

I have 30 Hp ( 22kW) compressor.3 phase ( 10 Bar) (Model V 3.0/10) and Double tank with 300 L sizes.

My problem is When cut out pressure reach , Motor is still running.
Is it possible?
I am away and this finding is by my family memeber.
MAy i know Possible causes and check ups?
Is pressure switch is not good?
I do not know Factory pre set Cut out pressure and it is newly purchased and just 2 days old in my hand.

Hope someone will help me timely.

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Bill says...

Mr. Win: Nice to hear from you.

If your compressor reaches cut out pressure, and the compressor motor continues to run, pressure builds further, and the compressor motor still doesn't stop, then yes, I would guess that it's your Pressure switch that is the problem.

Cheers,

Bill