To Replace a Variable Frequency Drive on a 2011 McQuay Centrifugal Cooler Chiller

2026-11-03

1 . The proposed work to be performed includes the replacement of a variable frequency drive on a 2011 McQuay Centrifugal Cooler Chiller ( Model @# wsc063 ), 391 W . South St ., Hernando , MS 38632 . The project will include the following tasks : 2 . Provide mobilization needed for rigging and tools to the site . 3 . Provide labor and materials to remove defective compressor VFD from the site . 4 . Provide and deliver new OEM , ABB , and VFD , selected per factory specs . 5 . Provide and paint custom adapter plates for mounting the new VFD . 6 . Modify all wiring and incoming line voltage to accommodate the new VFD . 7 . Start the new VFD and verify all chiller operations . Startup and controls will need to be scheduled with EK Automation . 8 . Specify warranty for parts and labor . 9 . All materials shall be installed according to manufacturer specifications . 10 . Selected contractor will be responsible for disposal of all materials in a safe and legal manner . 11 . The Contractor shall operate in a safe manner and will observe all OSHA guidelines . 12 . The work must be done during regular business hours or on a Saturday with prior notification and approval by the Facilities Director , Garrett Madero . 13 . The Contractor must submit a proposal that includes a timeline for this bid . 14 . This is a repair to an existing structure , when disassembling and installing the new VFD , if an unknown repair or modification is necessary DeSoto County will follow the MS Code 31 - 7 - 13 ( m ) guidelines .

Mississippi

2026-04-29