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electric<br />

Wiring diagrams<br />

Liquid level control relays<br />

W-15<br />

Emptying function<br />

LVM20<br />

LVM20<br />

W<br />

24VAC<br />

110-127VAC<br />

220-240VAC<br />

380-415VAC<br />

A1 A2 COM MAX MIN 12 14 11<br />

0VAC<br />

-MAX<br />

-MIN<br />

-COM<br />

Emptying function with 3 electrodes<br />

Emptying function with 2 electrodes<br />

COM<br />

MIN<br />

MAX<br />

COM<br />

MAX<br />

MIN<br />

ON<br />

LVM20<br />

A2<br />

A1<br />

ON<br />

LVM20<br />

A2<br />

A1<br />

RELAY<br />

RELAY<br />

11<br />

14<br />

12<br />

11<br />

14<br />

12<br />

Emptying or filling functions<br />

LVM25<br />

LVM25<br />

Emptying function (DOWN)<br />

Connection with 3 electrodes<br />

COM<br />

MIN<br />

MAX<br />

PROBE SIGNAL<br />

OR STARTING DELAY ❶<br />

PROBE SIGNAL DELAY ❶<br />

Connection with 2 electrodes<br />

COM<br />

MAX<br />

MIN<br />

PROBE SIGNAL OR STARTING DELAY ❶<br />

PROBE SIGNAL DELAY ❶<br />

A1 A2 COM MAX MIN 12 14 11<br />

ON<br />

SUPPLY<br />

SUPPLY<br />

ON<br />

24-48VAC/DC<br />

110-240VAC/DC<br />

RELAY<br />

RELAY<br />

0VAC<br />

LVM30<br />

-MAX<br />

-MIN<br />

-COM<br />

RELAY<br />

❷<br />

24<br />

21<br />

22<br />

14<br />

11<br />

12<br />

❶ Time delay for LVM30 only.<br />

❷ SPDT contact for LVM30 only.<br />

RELAY<br />

24<br />

21<br />

22<br />

14<br />

11<br />

12<br />

LVM30<br />

Filling function (UP)<br />

Connection with 3 electrodes<br />

Connection with 2 electrodes<br />

PROBE SIGNAL<br />

OR STARTING DELAY ❶<br />

PROBE SIGNAL DELAY ❶<br />

PROBE SIGNAL OR STARTING DELAY ❶<br />

220-240VAC<br />

380-415VAC<br />

A1 A2 COM MAX MIN<br />

A3 14 12 11 24 22 21<br />

COM<br />

MIN<br />

MAX<br />

PROBE SIGNAL<br />

OR STARTING DELAY ❶<br />

COM<br />

MAX<br />

PROBE SIGNAL DELAY ❶<br />

24VAC<br />

110-127VAC<br />

0VAC<br />

-MAX<br />

-MIN<br />

-COM<br />

ON<br />

SUPPLY<br />

SUPPLY<br />

ON<br />

RELAY<br />

RELAY<br />

RELAY<br />

❷<br />

24<br />

21<br />

22<br />

14<br />

11<br />

12<br />

❶ Time delay for LVM30 only.<br />

❷ SPDT contact for LVM30 only.<br />

RELAY<br />

24<br />

21<br />

22<br />

14<br />

11<br />

12<br />

Sold by <strong>AA</strong> <strong>Electric</strong> 1-800-237-8274 • Lakeland, FL • Lawrenceville, GA • East Rutherford, NJ<br />

Web : www.A-Aelectric.com Email: njsales@a-aelectric.com

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