Specifications include, but are not limited to: A) AIR COOLED CONDENSING UNITS 1) Monthly Service a) Check for abnormal noise and vibration. Visually check for air, water, and refrigerant leaks. b) Inspect condenser coil condition. c) Inspect piping, connectors, panels for rust and coat or spray with rust inhibitor appropriate for this equipment. d) Check and record refrigerant suction and discharge pressures. e) Check and record compressor amperages and voltage. f) Operate equipment to check for proper operation, unusual noise and vibration; adjust controls as required; clean-up all equipment. g) Check time clock for proper operation and time settings. h) Certify performance of monthly maintenance service. Report all discrepancies 2. Semi-Annual Service a) Clean condenser coil with medium pressure water. b) Certify performance of semi-annual maintenance service. Report all discrepancies B) VENTILATION FANS (Exhaust and Supply) 1. Quarterly Service a) Check motor-controlled and back-draft damper for proper operation; lubricate linkage for free movement. b) Lubricate fan motors and bearings. c) Check belt wear and tension; adjust or replace as needed. d) Check sheaves for wear. e) Check fan collar, bearings and shaft for wear, as needed. f) Replace air filters where installed g) Certify performance of quarterly maintenance service. Report all discrepancies 2. Annual Service a) Replace fan belts (if fan belt were already replaced under this contract, turn over fan belts to the University) b) Remove and wash intake grille c) Certify performance of annual maintenance service. Report all discrepancies C) AIR-COOLED WATER CHILLER.
