Time Delay Relay Latch Ideas

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1trigger

Member - Posts: 1

Joined: April 29, 2017

Location: Minnesota, United States

Posted: April 29, 2017 at 7:43 AM / IP Logged

I am building a refrigerator for the boat, using electronic cooling modules(ECM's).

Power to the ECM's is run through a 65A power relay, which is switched by the temperature controller.

The ECM's are water cooled and I want a flow switch on the cooling line to open a control relay on the power relay rung, if no flow for x seconds.

The water pump is also run through the same 65A power relay.

The appropriate flow switches all appear to be N.O.

So... I need a way to let the system run on power up, with no cooling water flow, but also shut the system down, if no flow for x seconds.

Jimm

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the12volt

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Joined: March 07, 2002

Location: Louisiana, United States

Posted: May 08, 2017 at 8:34 AM / IP Logged

You could use a programmable timer-relay such as this one that would stay on for x seconds after the flow switch opens.

Time Delay Relay Latch Ideas - Last Post -- posted image.

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