ESC-SERIES INDIRECT EVAPORATIVE COOLING

The ESC-Series evaporative cooling unit is a semi-custom fabricated air handler that can utilize direct (DEC), indirect (IEC) evaporative cooling, or a combination of both indirect/direct (2-Stage) evaporative cooling to meet specific usage and dimensional requirements. Heating options are also available. The evaporative cooling unit uses 100% outside air to provide tempered makeup air and building cooling. The ESC-Series unit is designed for industrial, commercial, and institutional buildings needing better indoor air quality without the equipment or operating costs associated with mechanical cooling. 


PERFORMANCE FEATURES

INDIRECT

  • Utilizes indirect plate exchanger 
  • Compact polymer plate exchanger 
  • Typical efficiencies 60 - 80% 
  • Low static pressure drop 
  • Outside air used for vaporizer air 
  • Energy recovery 
  • Built to suit applications 


INDIRECT / DIRECT

  • Sensible cooling with adiabatic cooling 
  • Uses plate exchanger with waste air stream and direct evaporative media 
  • Saturation efficiency up to 120% 
  • In drier climates can achieve discharge temperatures in the mid to high 50’s 
  • EER above 30 in high wet bulb areas 
  • EER near 100 in drier areas 
  • No mechanical cooling required 

 

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BENEFITS FOR ENGINEERS

  •  Up to 58,800 CFM 
  • 30 - 40% of the energy of mechanical cooling 
  • Maintains temperatures below 85 degrees on a design summer day when sized properly 

 

BENEFITS FOR CONTRACTORS

  •  Cambridge Factory Start-up 
  • Ability to win more projects 

 

BENEFITS FOR BUILDING OWNERS

  • Energy Efficient VFD controls 
  • Provides superior IAQ 
  • Reduces carbon footprint 

PRODUCT FLYER


CAMBRIDGE ESC-SERIES DIRECT EVAPORATIVE AIRFLOW RANGES

ESC4L: 2,450 – 3,675 CFM | ESC6L: 3,675 – 5,513 CFM | ESC4: 4,900 – 7,350 CFM | ESC5: 6,125 – 9,188 CFM | ESC6: 7,350 – 11,025 CFM

ESC8: 8,750 – 13,125 CFM | ESC10: 9,800 – 14,700 CFM | ESC12: 12,250 – 18,375 CFM | ESC14: 14,700 – 22,050 CFM | ESC2-8: 17,150 – 25,725 CFM

ESC2-10: 19,600 – 29,400 CFM | ESC2-12: 24,500 – 36,750 CFM |ESC2-16: 29,400 – 44,100 CFM |ESC2-20: 39,200 – 58,800 CFM

 

SPECIFICATIONS - BASE UNIT

AIRFLOW RANGES: 2,450 - 58,800 CFM (see model numbers above)

MOUNTING: • Roof Top • Pad Mount 

DISCHARGE: • Down Blast • Up Blast • Horizontal Blast 

VOLTAGE: • 460/3/60 • 230/3/60 • 208/3/60 

CASING / FINISH: • Single Wall Galvanized • Single Wall Stainless • Double Wall Galvanized • Double Wall Stainless 

PAINT: • 1000 hour salt spray 


AVAILABLE OPTIONS / ACCESSORIES

DIRECT EVAPORATIVE SECTION: 12” CELdek • 18” CELdek • 12” GLASdek 

INDIRECT EVAPORATIVE SECTION

ENERGY RECOVERY: Energy recovery MUA • Energy recovery economizer 

COOLING COIL SECTION: 4 row CW or DX coil • 6 row CW or DX coil 

HOT WATER COIL SECTION: 2 Row Hot Water Coil

GAS HEATING SECTION: Indirect fired 

MIXING BOX: O/A &R/A damper with 2-pos. Actuator  • O/A &R/A damper with Modulating Actuator 

CURB: Flat 14" or Flat 24"

RAIL STANDS: 14" or 24"

MOTOR TYPE: ODP • TEFC 

NEMA 3R VFD: Without bypass 

FAN TYPE: Forward Curved • Backward Inclined • Plenum 

DRIVES: 1.2 Fixed • 1.2 Variable • 1.5 Fixed • 1.5 Variable • Direct Drive

INTAKE: Screen • Louver • Hood

FILTERS:  2” Aluminum • 2” MERV 8 • 2” MERV 13

REMOTE CONTROL PANEL

PROGRAMMABLE ROOM THERMOSTAT

INSULATION: 2” thick, 2.8# density, mineral wool insulation providing R8 insulating factor (Insulation directly in the airstream is not acceptable) 


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