Specifications include, but are not limited to: Replacement of the Laboratory HVAC Chillers, Air Handlers, Ductwork, and associated appurtenances; Removal of Existing Air Cooled Chillers, ACC-1 & ACC-2: Disconnect electrical, controls and water piping, remove and properly dispose of existing chillers located outside on the northside of the building.; Installation of New Air Cooled Chillers: Furnish and install a new York air-cooled chiller, YLAA0065HE, including control panel, service isolation valves, equipment, BACnet integration, flow switch + extension kit, thermal dispersion flow switch, low sound fans with VSD control, 410A refrigerant, post coated dipped epoxy condenser corrosion protection condensers, metal louvered enclosure with hail guard protection condenser coils, wire protection panels compressor section, electrical, controls and water piping modifications and reconnections, insulation, crane service and all associated parts, tools. All work must meet current and applicable building and manufacturer regulations and standards, commission, Test, Adjust and Balance (TAB).; Removal of Existing Air Handler AHU-2 and VFD: Disconnect electrical, controls and water piping, remove and properly dispose of existing air handler unit located in the exterior mechanical room.; Installation of New Air Handler AHU-2 and New VFD: Furnish and install a new York Air Handler Unit, XTI-45x72, 6620 CFM, galvanized exterior gauge and stainless steel interior gauge, including control panel in ext mechanical room, 3-way chilled water valve and actuator (DDC) and commission thru JCI automation and insulation. Includes equipment and all associated electrical, controls, water piping modifications, parts, tools and supplies necessary for complete installation. Tie-in electrical to motor and new VFD with required conduit and wire. Reinstall differential pressure sensors, temperature sensors and JCI automation devices commission to JCI automation. Fabricate and tie-in new metal duct to supply and return. All work must meet current and applicable building and manufacturer regulations and standards, commission, TAB.
