Zepro ZN 2500-130 Installation Instruction page 48

Connection
6.2.3 Warning light and foot controller (TLC-B1)
Signal is required on relay card input S3 for the warning light to work. Depending on the model, this can be
done by connecting angle sensors between S3 and S3+ or with jumper
Gnd.
Sig.(+)
Up
Down
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ZN 2500-130/150
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