Specifications include, but are not limited to: 1. Packaged, water-cooled, electric-motor-driven centrifugal magnetic bearing chillers with VFD. 2. Refrigerant monitors 3. Provide interface with the Control system. The interface is to allow complete monitoring and control for all chiller functions. A. Seismic Performance: Centrifugal chillers shall withstand the effects of earthquake motions determined according to ASCE/SEI 7. 1. The term "withstand" means "the unit will remain in place without separation of any parts from the device when subjected to the seismic forces specified and the unit will be fully operational after the seismic event." 2. The unit must bear the IBC seismic certification of compliance label & the submittal shall include proof of IBC seismic certification of compliance documentation. B. Condenser-Fluid Temperature Performance: 1. Startup Condenser-Fluid Temperature: Chiller shall be capable of starting with an entering condenser-fluid temperature of 55 deg F and providing stable operation. 2. Minimum Operating Condenser-Fluid Temperature: Chiller shall be capable of continuous operation over the entire capacity range indicated with an entering condenser-fluid temperature of 55 deg F. 3. Make factory modifications to standard chiller design if necessary to comply with performance indicated. C. Performance Tolerance: Comply with the following in lieu of ARI 550/590: D. Product Data: For each type of product indicated. Include refrigerant, rated capacities, operating characteristics, furnished specialties, and accessories. 1. Performance at ARI standard conditions and at conditions indicated. 2. Performance at ARI standard unloading conditions. 3. Minimum evaporator flow rate. 4. Refrigerant capacity of chiller. 5. Fluid capacity of evaporator, condenser. 6. Characteristics of safety relief valves. 7. Minimum entering condenser-fluid temperature. 8. Performance at varying capacities with constant design condenser-fluid temperature. Repeat performance at varying capacities for different condenser-fluid temperatures from design to minimum in 10 deg F increments.
