level control drain icos

Electrical scheme with 2 level sensors linking in a contactor controlling a pump for an automatic level control. L1 L2 L3 T1 T2 T3 13 14 A1 A2 L1 L2 Upper level sensor Lower level sensor Pump Working 1 - Empty tank: The switches are opened and do not permit the coil energization (A1/A2) from contactor keeping the pump off. 2 - The tanks level rises: The lower sensor close the contacts but the coil keeps not energyzed until the upper sensor be reached, then the contactor remain energyzed by the contacts 13/14, starting the pump. 3 - Lowering the tank: When the upper sensor opens the coil keep energyzed by the contacts 13/14 and the pump keep on. When the level get the lower sensor it will open the contact, turning the pump off. IMPORTANT Automatic drain control Before printing, please think about your responsibility and commitment to our environment. Flow and Level sensors for liquids 2010, icos.com.br E-mail: [email protected] Skype: comercial-icos Datasheet Rev. 00 / 01-2011

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Automatic Drain Control - ICOS Level Sensors Cote Level Sensors and buy in store http://levelsensor.icos.com.br

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Electrical scheme with 2 level sensors linking in a contactor controlling a pump for an automatic level control.

L1 L2 L3

T1 T2 T3

L1 L2

Upper level sensor

Lower level sensor

Pump

Working 1 - Empty tank: The switches are opened and do not permit the coil energization (A1/A2) from contactor keeping the pump off.

2 - The tanks level rises: The lower sensor close the contacts but the coil keeps not energyzed until the upper sensor be reached, then the contactor remain energyzed by the contacts 13/14, starting the pump.

3 - Lowering the tank: When the upper sensor opens the coil keep energyzed by the contacts 13/14 and the pump keep on. When the level get the lower sensor it will open the contact, turning the pump off.

IMPORTANT Automatic drain control

Before printing, please think about your responsibility and commitment to our environment.

Flow and Level sensors for liquids

2010, icos.com.brE-mail: [email protected]: comercial-icos

DatasheetRev. 00 / 01-2011

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