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26 29 23 Variable-Frequency Motor Controllers 

.01 General
  1. The Design Professional shall carefully review and edit the guide specification in the table below with respect to application-specific project requirements.  Proposed modifications shall be reviewed with OPP staff.
  2. Finalized version shall be included in the project contract documents.  Use of other specifications is not acceptable.



Version Date


 OPP VFD GuideSpec

 August 1, 2014

 This guide specification is intended to provide the Design Professional with general OPP minimum requirements for Variable Frequency Drives in typical HVAC motor applications

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  File Modified
Microsoft Word Document OPP_VFD_GuideSpec.docx Aug 22, 2017 by Susan Jennifer Bedsworth

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