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3
Instruction Booklet
IB019013EN
Effective March 2019
Zone selective interlocking test kit
For Digitrip 520M, 520MC and 1150 trip units
EATON
www.eaton.com
3. Check that the contents of the ZSI test kit match the information
provided in Table 4: ZSI test kit contents.
Table 4. ZSI test kit contents
Contents:
Quantity:
ZSI test box
1
Instruction manual
1
Power cord
1
Zone connection cord
3
4. Plug the power cable into the ZSI test box.
5. Plug the power cable into a standard 120V outlet.
6. Refer to the “Test Sequence” screen in the “Navigating the HMI
Screens” section to determine which series of tests need to be
performed.
7. Refer to the “Zone Configurations” section to determine the
correct cable connections for the desired test.
8. Plug a ZSI zone cable into one of the zone plugs on the
ZSI test box, per the cable connections found in the “Zone
Configurations” section.
9. Push down and screw the ring clockwise to fully secure the plug.
10. Repeat steps 8 and 9 for the other two ZSI zone cables.