PROJECT: 4-15 Ton Downflow DSE EconPhase Systems for Clackamas ESD Server Room Four (4) Liebert® DSE Floormount Precision Cooling Systems, Model DA050DP1ADPEJ0: Nominal 50 kW (15 Tons) Air Cooled Downflow Systems with Pumped Refrigerant Economization • Power supply: 460 Volts, 60 Hz, 3 Phase • 65,000 amps rms Short Circuit Current Rating • 14 gauge, welded frame, with Autophoretic coating. Main Unit Color: ZP-7021 Black Gray Matte • Frame can be field separated into three sections for rigging and installation • One (1) electrically commutated 4.9 HP fan motor (providing 7200 CFM at 0.3” ESP; 6700 CFM at 0.8” ESP) • Single refrigeration circuit with hot gas muffler, liquid line filter dryer, refrigerant sight glass, and electronic expansion valve • Designed for R-410A refrigerant. Refrigerant is supplied by and charged by installing contractor. • A-frame evaporator coil (non-coated) with stainless steel drain pan • Front service access (fully serviceable from one side) • Supply air exits from the bottom of the unit into raised floor plenum • Return air enters the top of the unit through site return air ductwork • Exterior panels insulated & powder coated..
