Specifications include, but are not limited to: Provide necessary labor, tools and materials to repair two water cooled Multistack chiller modules. A. Provide all labor, tools and OEM materials required to perform the maintenance repairs noted below on two Multistack water cooled chiller modules indicated above. (1.) Recover chiller module refrigerant using current EPA standards. (2.)Remove and replace the refrigerant compressor with a new B320SH unit (3.)Remove and replace both the evaporator and condenser heat exchangers with SWEP units. Provide insulation as required on evaporator heat exchangers. (4.)Remove and replace the refrigerant expansion valve with a new unit. (5.)Leak check module with compressed nitrogen and trace gas, evacuate and recharge with virgin refrigerant. Leak check must be witnessed by college representative. (6.)Perform module start up and check controls for proper operation. (7.)Remove all used components and clean jobsite after completion of work. A. All work to be `first class" and performed to accepted HVAC industry standards. B. All products to be installed in accordance with manufacturer instructions. C. All work to be performed in accordance with current EPA standards. D. Materials and workmanship provided under these specifications are warranted for a minimum of one year from contract completion or for as long as warranted by the manufacturer, whichever is longest. E. The Contractor shall notify Owner 24 hours prior to equipment testing.