Related Manuals for Siemens WLTS
Summary of Contents for Siemens WLTS
- Page 1 Application Guide WLTS Hand-Held Test Set WL Low Voltage Circuit Breakers www.usa.siemens.com/WLBreaker...
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Page 2: Functional Testing
All testing should be conducted with the primary bus de-energized, and external 24 vdc control The WLTS is the preferred test tool to verify compliance of power disconnected or turned off. the entire trip system of the WL circuit breaker, including the... - Page 3 ETU test port Ribbon cable Tester power cord After applying power to the WLTS, it will begin to communi- cate with the trip unit and verify that critical subsystems are operational. Once all checks have been successfully com- pleted, the “ETU STATUS” LED will turn on, and remain lit until a function button is pressed.
- Page 4 All testing should be conducted with the primary bus de-energized, and external 24 vdc control power disconnected or turned off. Testing the tripping function Instantaneous tripping test The instantaneous tripping function and the trip unit circuitry DANGER can be tested using the test device. Hazardous Voltage.
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Page 5: Additional Functions
When a trip unit with the MeteringPLUS option (WLMETERP) is tested without applying 24V dc, no simulated values will The WLTS has two additional functions to assist in testing and appear on the display. In order to see and communicate the... - Page 6 Fail G: N/A Pass Fail ETU Status LED Steady Flashing Note: The tests above were performed with the Siemens Hand-Held Test Set (WLTS) Conclusion Satisfactory for Continued Service: Requires Repair: Repairs Made During Maintenance: Comments:...
- Page 7 Notes:...
- Page 8 Printed in USA specifically reflect those described, or which may undergo modification in the course of further 1-800-241-4453 © 2016 Siemens Industry, Inc. info.us@siemens.com development of the products. The requested performance features are binding only when they are expressly agreed upon in the concluded contract.