Specifications include, but are not limited to: provide the DSH with chiller upgrade services (N Building), by performing preventive maintenance in the spring and fall to prepare for both heating and cooling season. Contractor is to upgrade the Central Plant Energy Control System by furnishing and installing a Kiltech generation 5. Contractor shall connect the Kiltech controller (generation 5) to an existing Building Automated System (BAC). ; 1. Inspect for mechanical damage to compressors. 2. Inspect for excessive vibration from other mechanical equipment. 3. Inspect main power supply. 4. Inspect main power terminal tightness. 5. Inspect for signs of hot spots/discoloration. 6. Inspect amperages are per design. 7. Inspect direct current (DC) buss voltage. 8. Inspect communication cables are secured and tight. 9. Inspect physical condition of exposed printed circuit boards. 10. Inspect chiller controller/touch screen operation. 11. Remove back panel of controller and dust-off processor and power supply with Co2. 12. Remove dust from input/output (I/O) board with Co2. 13. Inspect for proper power to and from control step-down transformer.