Subject 1247

Bulletin Dated: June 14, 2010

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Diesel Engines for Driving Stationary Fire Pumps, UL 1247, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Revisions to Update and Align Requirements with the Most Recent Edition of Standard for the Installation of Stationary Pumps for Fire Protection, NFPA 20.

2. For Preliminary Review Only: Revision to Over-current Protection Criteria

3. For Preliminary Review Only: Revisions to Include Additional Details for Starting System Cranking Tests

4. For Preliminary Review Only: Revisions to Update ECM Testing and Verify Functioning of the Automatic ECM Switching Feature

5. For Preliminary Review Only: Revisions To Clarify Requirements And Update Test Methods

6. For Preliminary Review Only: Revisions to the Terminal Block Arrangement and Associated Text.

7. For Preliminary Review Only: Revised Requirements for an Engine Factory Equipped with a Fire Pump Controller and Investigated as a Complete Package

8. For Preliminary Review Only: Prevention of Engine Lubrication Oil Contamination With Diesel Fuel