Installation Guide

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iO-LL
LEAD/LAG
CONTROL
WIRING DIAGRAM USING iO-LL LEAD/LAG CONTROLLER FOR
2 PUMP SYSTEM WITH A RELAY TO
TRIGGER LEAD/LAG
PUMP 1 PUMP 2
24V LINE
TRANSFORMER
PUMP 1 RELAY
PUMP 2 RELAY
PUMP
CONTROLLER
120V / 240V
POWER
120V / 240V
POWER
Indianapolis, IN 46237
www.iohvaccontrols.com
For Technical Support Call Toll Free: 866-225-5032