Air_Cooled_Chillers_Checklist_&_Condition_Assesment.docx
DOCX document 20 KB Posted
- Attached to
- HVAC-Systems and Related Services
- Solicitation number
- 26-0009-RFP
- Issued by
- Pinellas County, Florida
About this file
This is an Air-Cooled Chillers Checklist and Condition Assessment form for Pinellas County, Florida's HVAC Systems and Related Services contract. The document serves as an annual preventive maintenance and condition assessment tool that contractors must complete for each air-cooled chiller asset and associated components under the contract. The form requires comprehensive annual inspections and testing, including oil analysis with spectrochemical evaluation for wear and corrosion elements, oil and filter changes per manufacturer recommendations, condenser coil cleaning, leak detection, megger insulation testing, electrical inspection and tightening, crankcase heater verification, motor lubrication, and functional testing of safety and operating controls. Additional requirements include refrigerant level and pressure checks, superheat adjustment, motor and starter operation verification, interlock and pump functionality checks, lead/lag sequence verification, and detailed recording of ambient temperature, operating temperatures, pressures, voltages, amperages, water temperatures, and pressure drops. Contractors must also measure and record motor voltage and amperage and calculate voltage and current imbalance.
The form includes a standardized five-tier Condition Rating Scale ranging from "Very Good" (new or like-new condition requiring only routine preventive maintenance) through "Good," "Fair," and "Poor" to "Failed" (nonfunctional and requiring immediate replacement or major repair). Completed forms must be signed by both the contractor and county representative and submitted annually as part of the comprehensive Annual Preventive Maintenance documentation package. The checklist establishes accountability and provides measurable performance metrics for vendor compliance, supporting Pinellas County's structured maintenance framework designed to enhance system reliability, reduce operational risk, and facilitate long-term asset lifecycle planning for critical county infrastructure.
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Text version
Page 2 of 2 Air Cooled Chillers
INSTRUCTIONS FOR COMPLETING – CHECKLIST AND CONDITION ASSESSMENT The Contractor shall complete for each asset and its associated components covered under this contract. This form must be completed annually and submitted as part of the Annual Preventive Maintenance documentation package. Check off next to each completed task.
Location
Description
Oil Analysis: This will include a full spectrum analysis to be collected under EPA guidelines. The spectrochemical analysis will test for wear and corrosion elements in the oil sample. This will include, but not limited to: iron, chromium, aluminum, lead, silicon, tin, and zinc. Reported results
Check oil level in compressor(s) and add as required or change oil if required (after the oil analysis in 1) above is completed).
Provide all oil filter(s) and driers changes per manufacturers’ recommendation.
Clean condenser coils with metal safe coil cleaner.
Complete leak check of unit.
Perform Megger Insulation Test on compressor(s) per manufacturer’s specifications and schedule
Inspect all wiring and connections for tightness and signs of overheating and discoloration.
Check and tighten all electrical terminals (motor and control panel including starters) and check contacts for wear. Clean contacts with approved cleaner, cost of cleaner included in the contract. Replace if required.
Check crankcase heater for proper operation.
Lubricate condenser fan motors if required, cost of lubricant is included in contract.
Functionally test and calibrate safety and operating controls per manufacturer’s specifications.
Notes
Check refrigerant level and add as required; refrigerant is considered a part.
Check refrigerant pressures.
Check superheat and adjust as required.
Check the operation of all motors and starters including condenser fans and chilled water pump.
Functionally check external interlocks, flow switch and pumps.
Verify operation of lead/lag sequence and change if applicable.
Create a complete operating log and record ambient temperature, operating temperatures, pressures, voltages and amperages, entering and leaving water temperatures, pressure drop across evaporator.
Start Value
Finished Value
Measure and record motor voltage and amperage and calculate the voltage and current imbalance. Compare amperage with rated amperage.
Notes
Date:
Signature:
County Representative Signature:
Condition Rating Scale
Notes
| Scale |
| Description of Condition Rating Scale |
| Very Good |
| Component is in new or like-new condition with full performance capability. No corrective actions are required beyond routine preventive maintenance. |
| Good |
| Component is in acceptable operating condition, performing as intended, with no immediate corrective work required outside of scheduled preventive maintenance. |
| Fair |
| Component remains functional but is degraded or showing measurable wear. Increased monitoring and prioritization for future capital planning is required. |
| Poor |
| Component condition is unacceptable or nearing failure. Significant deterioration or recurring issues exist and near‑term replacement must be planned. |
| Failed |
| Component is nonfunctional, inoperable, or unsafe to operate. Immediate replacement or major corrective repair is required. |
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