Siemens UL 1066 - Page 99

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Field installation
The trip units ETU745 and ETU748 can be field installed with an alphanumeric display.
- OPEN circuit breaker and discharge the closing spring  (page 23-2)
- Disconnect external 24 V DC voltage supply, if applicable
- Remove sealing cap of trip unit, if applicable  (page 9-53)
Removing dummy flange
Installing display and latching it tight
- Fit and seal trip unit sealing cap, if applicable  (page 9-53)
- Reconnect external 24 V DC voltage supply, if applicable
DANGER
Hazardous voltage.
Will cause death, serious personal injury, or equipment damage.
Turn off and lock out all power supplying this device before working on this device.
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