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Publication Title | Model C60 Software Version 4.30 Release notes

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Capstone Turbine Corporation • 21211 Nordhoff Street • Chatsworth • CA 91311 • USA Telephone: (818) 734-5300 • Facsimile: (818) 734-5320 • Website:

Service Bulletin SB0076

Date: From: Subject:


All Capstone Model C60 MicroTurbine systems, including C60 Industrial and ICHP systems.


New C60 software code set v4.30 is being introduced to reduce engine flameout starts, and satisfy UL requirements for grid transition delay time.

Improvements are summarized as follows:

1. Improved the SPV25 response time algorithm during startup to reduce incidents of ‘flameout starts’.

2. Set the minimum GC transition delay interval after a grid outage to five (5) minutes to conform to UL requirements. A GC unit restarting after a grid outage is required to execute this delay after Auto-Restart before turning On.

3. Updated MultiPac logic so that MicroTurbines recharge their batteries after being MultiPac disabled. This feature is required to support some PLC based applications.

4. Updated the limits on the ‘Minimum Sleep Time’ variable. It is now settable to six seconds, down from a minimum of six minutes.


It is the responsibility of Capstone to provide description of software changes contained within this document to Authorized Service Providers.

It is the responsibility of Capstone to make available the software to Authorized Service Providers for the resolution of issues related to field MicroTurbine systems.

It is the responsibility of the Authorized Service Provider to obtain the software zip files from the Members Only section of the Capstone website.

It is the responsibility of the Authorized Service Provider to diagnose related field issues, and upload this software to resolve the problem. After completion of software uploading, it is the Authorized Service Provider’s responsibility to provide Capstone with a Field Service Report.

450058-001 Rev A (June 2005) Page 1 of 2

This information is proprietary to Capstone Turbine Corporation. Neither this document nor the information contained herein shall be copied, disclosed to others, or used for any purposes other than the specific purpose for which this document was delivered. Capstone reserves the right to change or modify without notice, the design, the product specifications, and/or the contents of this document without incurring any obligation either with respect to equipment previously sold or in the process of construction.

June 2005

Capstone Technical Support

Model C60 Software Version 4.30 Release Notes

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