SWCo_VFD_Service_Flyer.pdf
PDF 394 KB Posted
- Solicitation number
- 26-X-00942
- Issued by
- Hillsborough County, Florida
About this file
This is an Intent to Single Source procurement document issued by the City of Tampa, Florida, for ABB Variable Frequency Drive (VFD) products and services to support the Tampa Convention Center's critical HVAC infrastructure. The procurement, posted on March 12, 2026, with a response deadline of March 17, 2026, seeks replacement drives, drive parts, and ongoing preventative maintenance services for variable frequency drives that control cooling tower fans, air handlers, and pumps integral to the facility's chilled water plant. The prospective vendor must be an authorized ABB manufacturer's distributor or dealer capable of providing warranty service, maintenance, and repairs. Required products include ABB Series ACH 580 base drives ranging from 1 HP to 60 HP at 480 volts and replacement NEMA-1 base drives to replace existing Trane TR150 AHU VFDs. No specific site visits, bidders' meetings, award dates, or contract term information is provided in the available documentation.
Stan Weaver & Company is identified as the incumbent vendor and the exclusive authorized ABB manufacturer's Channel Partner for the ABB variable frequency product line serving the HVAC market in Hillsborough County and Tampa, Florida, as confirmed by ABB's Regional Sales Manager in a letter dated February 20, 2026. Pricing includes individual ABB ACH180-04S-17A0-4 drives at $735.00 with an $800.00 onsite changeout and installation fee, ACH 580 base drives ranging from $729.00 to $5,847.00 depending on horsepower rating, and onsite service visit fees of $250.00 during normal business hours or $700.00 for after-hours/weekend service, with all pricing valid through May 31, 2026. Required vendor qualifications include Commercial General Liability insurance of $1 million per occurrence/$2 million aggregate, Automobile Liability coverage of $1 million combined single limit, Worker's Compensation with Employer's Liability, and all policies must carry an A.M. Best rating of no less than A-:VII with the City of Tampa named as additional insured. Payment terms are net thirty days or credit card payment, F.O.B. Tampa, Florida, excluding applicable state and local taxes. The single-source designation eliminates competitive bidding requirements and reflects the vendor's exclusive authorization status, ensuring continuity of service and technical support for the Convention Center's existing VFD infrastructure.
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Text version
Regular preventative maintenance helps all electronics run longer and provide more consistent perfor-mance. VFDs benefit from regular maintenance, especially if they have open side vents, that may allow for-eign objects or moisture to contaminate the inside of the housing. This, in turn, minimizes replacement costs and critical failures that lead to unexpected downtime.
Once a year, the VFDs should undergo thorough maintenance. This includes:
Cleaning the unit. Vacuum the vents and storage space, and clean or replace the filters. VFDs should not be cleaned with any solvents or water-based cleaning tools.
Inspecting the parts. Tighten the connections and terminal blocks, check the power supplies, and refer to the parts replacement schedule for any needed work. The DC bus should also be checked with an oscillo-scope to check the Vdc ripple, but only trained professionals should handle this step.
VFD preventive maintenance program
Without preventive maintenance, the probability of VFD failure increases drastically. The most common failures are due to component aging or operational conditions, such as varying ambient temperature, high humidity, excessive and heavy loads. Signs of these failures typically start showing up after five to 10 years of operation.
A regular preventive maintenance program of VFDs throughout their lifetime is an absolute requirement to ensure maximum availability and minimum unplanned repair costs. With an Annual preventive mainte-nance, reliability of VFDs can be ensured and their lifetime extended.
Scheduled tasks include:
• Visual inspection of the VFD and environmental conditions.
• Inspection of the connections.
• Inspection of the ribbon and fiber optic cables.
• Functional inspection of the fan and cooling system.
• Electrostatic Discharge protected cleaning of the VFD.
• Inspection of the 'emergency stop' circuit.
• Inspection for the prevention of unexpected start-up circuit.
• Inspection of the fault logger.
• Inspection and storage of the parameters.
• Functional testing of the VFD under normal conditions.
• Basic measurements with supply voltage.
• Thermal imagining to locate possible bad connections
• Inspection of the VFD spare part inventory.
• Reforming of the spare module capacitors.
Manufacturers of VFD technology can offer end users an extraordinary level of reliability, which can be compromised if end users neglect to embrace a lifecycle approach that includes annual maintenance
End users that recognize the importance of preventive maintenance can provide a valuable role in setting up a comprehensive preventive maintenance schedule that spans the life of the basic VFD
Call or Email to schedule a free walkthrough today and we will provide you our free analysis showing the quantities, types, and age of your VFD’s and motors.
407-790-4036 service@stanweaver.com
File details come from the government source that posted it. Updated .