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3.3.4. Machine Signal Interface (MSI) Installation
Disconnect electrical power supply to the washer, and follow lockout/tag-out procedures before installing or performing service on the
system. High voltage will be present.
Mount the Machine Signal Interface box to the laundry machine’s controller box using the Dual Lock tape
provided on the MSI module. Then run wires through conduit. The MSI module is installed typically on the
back of the machine. If receives the laundry machine supply signals (24 to 240 VAC or 22 to 24 VDC).
1. If no rear knock-out in machine controller box is present, drill a 7/8-inch hole in appropriate location on
chassis.
2. Remove Dual Lock adhesive backing on MSI module.
3. Route MSI washer signal wires and conduit elbow through 7/8-inch hole to the inside of the laundry
machine’s control box.
4. Apply pressure to MSI module to engage Dual Lock adhesive and secure conduit.
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