Specifications include, but are not limited to: Air Cooled Chiller(MSOB) ; Water Cooled Centrifugal Chiller (L & A) ; Air Cooled Scroll Chiller (TCOB) ; Heating, Air Conditioning, and Ventilation Maintenance and R. ; Once a year, a thorough Preventative Maintenance schedule will be performed including the following: Leak test the chiller with electronic leak detector (raise chiller pressure if applicable) Verify proper operation of fan speed control devices on air cooled chillers Test vent piping of all relief valves for presence of refrigerant to detect improperly sealed relief valves Verify proper operation and calibrate the high and low pressure controls, temperature controls and safety devices Verify micro-panel settings and adjust as necessary Check and calibrate all transducers as applicable Adjust dip switches as applicable and review operation with owner Check and verify proper operation of the chilled water and condenser water interlocks such as flow switches and auxiliary contacts.