Air-Cooled Semi-Hermetic Process Chillers in North America

Legacy Chiller, Inc.’s (PSA) air-cooled semi-hermetic process chillers in North America are ideal for larger industrial cooling applications. This air-cooled chiller is available from 1 to 120 HP. Note: All package systems are also available in split condenser configurations.

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Standard Features:

  • ETL listed
  • Remote condenser coil
  • Microprocessor controller with touch screen HMI
  • Stainless steel, brazed plate evaporator with ½-inch insulation and secured in a steel bracket [1]
  • Scroll compressor with crankcase heater
  • Suction accumulator [1]
  • Water flow switch
  • Hot gas bypass capacity control [1]
  • 24V control transformer
  • Direct drive condenser fan motor
  • Rust-resistant, high CFM, aluminum condenser fan blade
  • Condenser(s): copper tube/aluminum fin
  • Compressor motor contactor
  • Condenser motor and control circuit fusing
  • Painted, galvanized sheet metal cabinet
  • 1/2-inch insulation on all water and refrigerant lines
  • Liquid line drier, sight glass, solenoid, TEV
  • Complete refrigerant charge from factory 407C standard [1]
  • Extended warranty: See your quote or latest IOM booklet revision

[1] denotes optional items on most competing brands.

Available Options:

  • 4-year extended compressor warranty
  • Casters (factory mounted)
  • 115-volt (rain-tight) service outlet
  • Fused disconnect
  • Non-fused disconnect
  • Phase monitor
  • Compressor fusing
  • Fan cycle control
  • Flooded condenser with receiver/head pressure control (-20 °F)
  • Heated, flooded condenser with receiver/head pressure control (-20 °F)
  • Factory-installed evaporator heat tape freeze protection thermostatically controlled
  • Water pressure gauge set
  • Fused, stainless steel system process pump
  • Pump suction isolation valve
  • Dual system pump with HMI programable change-over
  • Low flow bypass valve system pump required
  • "Gold" finned condenser coil (coastal protection)
  • "Copper" finned condenser coil (coastal protection)
  • Heresite-coated condenser coil (coastal protection)
  • Water flow meter
  • Auto city water makeup solenoid

Click on a chiller model below to download a spec sheet.

Air-Cooled Process Chillers, Packaged, Dual Circuit Semi-Hermetic, Tankless

Model Number Nominal BTUH @ 45°F Length (In.) Width (In.) Height (In.) Weight Compressor
Qty. HP
PSA16D199,200176.545.555320028.0
PSA19D237,600176.545.5553500210.0
PSA22D276,000176.545.5553700212.5
PSA25D314,00023045.5554000215.0
PSA33D390,00018089554700217.0
PSA37D438,00018089554900220.0
PSA45D566,40018088555100225.0
PSA55D681,60023288576000230.0
PSA62D816,00023288576200235.0
PSA71D883,20023288576500240.0
PSA88D500,00023288576700260.0

Air-Cooled Process Chillers, Split-System, Dual Circuit Semi-Hermetic, Tankless

Model Number Nominal BTUH @ 45°F Length (In.) Width (In.) Height (In.) Weight Compressor
Qty. HP
IESA16D199,200853445105028.0
IESA19D237,6008534451100210.0
IESA22D276,0008534621200212.5
IESA25D314,0008534621300215.0
IESA33D390,0008534621600217.0
IESA37D438,0008534621700220.0
IESA45D566,40011034621800225.0
IESA55D681,60011034621900230.0
IESA62D816,00011034622200235.0
IESA71D883,20012034682500250.0
IESA88D1,065,80012034682800260.0

Note: Air-cooled process chiller capacities are based on ARI Standard 45ºF LWT and 95ºF AMB.

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