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Heating Ventilation and Air Conditioning Services

Publication Date
12/06/2018 03:48 PM EST
Closing Date
02/07/2019 09:00 AM EST
Issuing Organization
City of Atlanta
Solicitation Number

Specifications include, but are not limited to: Bidder may be requested to perform scheduled services activities including: A. Cooling Season Start-up Preparation & Inspection -Pressurize the unit and conduct a leak check -Check refrigerant and oil levels -Check oil sump and purge oil heaters and temperature -Check and test all operating and safety controls -Check the starter operation -Start the chilled water pump -Start the condenser water pump and cooling tower -Start the chiller and calibrate controls -Log operating conditions after system and unit stabilize -Review operating procedures and owner's log with operator -Check auxiliary equipment operation B. Operating Season Inspection (after three (3) months) -Inspect chiller and adjust safety controls -Check check operation of controls -Check oil and refrigerant levels -Check operation of lube system -Check the oil return system -Check operation of motor and starter -Check log and review chiller and system operation with operator log and report repairs and parts that are required C. Annual Equipment Shutdown Inspection Check the compressor-motor assembly for the following items and perform service tasks as indicated: -Record voltages -Merge and record motor winding resistance -Lubricate open motor -Check the coupling -Check the seals -Check inlet vane operator and linkage; lubricate where necessary D. Compressor Oil System -Change oil, filter and dryer -Conduct analysis on oil and at an independent laboratory -Check oil pump, seal and motor -Clean the dirt leg -Check heater and thermostat -Check all other oil system components including cooler, strainer and solenoid valve where applicable E. Motor Starter -Run diagnostic check -Clean contacts or recommend replacement -Check linkage -Merging motor -Check all terminals and tighten connections -Check overloads -Clean or replace air filter where required -Dry run starter, checking starter lights F. Control Panel -Run diagnostic check of micro control panel -Check safety shutdown operation -Check all terminals and tightening connections -Check display data accuracy and set points G. Purge Unit -Inspect the operation of the unit -Change oil -Clean filter dryer -Clean orifice in the liquid feed-line to coil -Clean solenoid valves

https://procurement.atlantaga.gov/fc-10670-heating-and-air-conditioning-services/ (opens in a new window)

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