MULTILIN 489 TO 889 RETROFIT KIT – INSTRUCTION MANUAL 7
Multilin 489 to 889 Retrofit Kit
Chapter 2: Removing the Existing
Relay
GE
Grid Solutions
Remov ing the Existi ng Relay
Uninstall the 489 relay following these steps.
Note
Always be sure to follow your company's safety policies and procedures during the retrofit
process.
Note
Wear appropriate personal protective equipment for hand and eye protection.
Note
Turn off control power before drawing out or re-inserting the relay to prevent
maloperation.
1. Disconnect the Ethernet cable from the back of the 489 relay, and remove the relay
from its case.
2. From the back of the relay case, remove the terminal block screws. Do not remove
any wires.
Note
A Multilin 750 relay is shown in some pictures. The Multilin 489 upper terminal blocks
are somewhat different, however the same removal steps apply.
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