STANDARD FEATURES: Compressor High efficiency Copeland or Trane “Scroll hermetic compressors with an option for dual compressors on 10, 15 and 20 hp air-cooled units, and 10 hp to 30 hp water-cooled units. All compressors are rubber mounted to reduce noise and vibration. Condenser - Air-cooled Large surface area air-cooled condenser with mechanically bonded aluminum fins to copper tubes operates at a lower head pressure increasing compressor life. All our chillers have top discharge propeller fans to direct the hot discharge air up and away from plant personnel, fans are direct driven by permanently lubricated bearing motors with dual fans on dual compressor models. Condenser - Water-cooled High efficiency copper tube-in-tube coaxial water-cooled condensers on 5 hp to 10 hp, and stainless steel brazed condensers from 15 hp to 30 hp. Water regulating valves standard on all units. Optional shell and tube condensers for all models. Frame 12 gauge stainless steel welded base frame with heavy duty castors, two swivel, two rigid. Holding Tank Insulated galvanized (inside and out) steel tank on 5 hp to 10 hp models, and insulated stainless steel tanks on 15 hp to 30 hp models. Tanks complete with side bottom drain with shut-off valve, pump suction shut-off valve, air vent line, plastic fill/water level gauge and return "Y" strainer.