Outstanding Performance; Application Flexibility

EP2 Series Portable Chillers are available in capacities from 4 to 43 tons with air-cooled, water-cooled, or remote condensers models in a wide range of sizes to satisfy a wide-range of applications and process fluid cooling requirements.

Using quality components such as scroll compressors, micro-channel condensers, low-noise fans, stainless steel brazed plate evaporators, PLC controls, and color touch screen user interfaces, these chillers provide the best available technologies for unmatched performance and reliability in a chiller package.

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Simple operation and advanced monitoring from a new control

The EP2 Series Portable Chillers feature a 7-inch full color touchscreen HMI, with a slopped-stop enclosure,making viewing and operation quick and easy. Advanced monitoring, such as pump and compressor running hours, trending charts, and a digital pump pressure display, provide a wide range of useful informantion.

Ready for severe-duty industrial cooling

The EP2 models are designed to meet severe-duty industrial cooling needs and provide additional resistance to harsh fluid conditions and operating environments. All EP2 chillers feature stainless steel pumps, stainless steel evaporators, and a process fluid circuit with corrosion-resistant materials to prevent rust and ensure clean, dependable operation for many years.

Energy savings every day

From the standard high-efficiency scroll compressors, premium microchannel air-cooled condensers, and compact stainless steel evaporators to premium-efficiency EC condenser fan and variable-speed compressor options, Conair’s EP2 Series Chillers offer the best available energy-savings through new technology and available options.

Control Features:

  • Compressor Protection Technology: Our compressor protection technology uses start-to-start anti-recycle control logic to limit cycling under low-load operating conditions to extend compressor life.
  • Compressor and Pump Run Hour Displays: The ability to monitor compressor and pump running hours is an important tool to assist with scheduling maintenance.
  • Power Monitor: The main power monitoring system protects the chiller from extensive damage to the compressor and pump due to loss of phase or phase reversal in the main supply.
  • Reservoir Low Level Alarm: Indicates a low process fluid condition and protects the process pump and chiller from expensive damage caused by a critically low operating level in the reservoir.
  • Temperature Warnings and Alarms: A warning alerts the operator of a potential problem before a fault occurs and if the condition gets worse, an alarm stops the chiller to prevent damage.
  • Adjustable Alarm Time Delays: Allows for programing a start-up alarm time delay to deactivate the alarms long enough for the process loop to stabilize before activating the alarms.
  • High-Quality 24 VDC Power Supply: The 24-volt DC power supply ensures dependable control circuit power and isolates the control circuit from static interference to ensure stable and precise operation.
  • Trending Charts: All control systems include the ability to chart key operating parameters, such as process fluid supply and return temperatures, for a quick display of operating trends.
Mechanical Features:
  • Stepper motor driven hot gas bypass
  • Air-cooled units with generously sized air-cooled condensers designed for industrial environments
  • Water-cooled units use cleanable shell-and-tube water cooled condensers for industrial environments. Units are equipped with condenser water regulating valve to provide constant head pressure
  • Remote condenser units are designed with divided fan sections which prevent “wind-milling” during fan cycling. Direct drive multi-blade propeller fans with venture orifices to optimize efficiency
  • External sight glass / fill connection / drain connection
  • Encapsulated high and low refrigerant pressure safeties
  • RTD temperature sensors yield higher precision and repeatability than thermocouples
  • Nonferrous water circuit construction
  • Stainless steel process pump with pressure gauge
  • Fail safe flow switch interlocked with compressor
  • Internal valved bypass line to protect pump and evaporator
  • Internal insulated large polyethylene reservoir with removable top
  • Smaller footprint takes up less floor space
  • Easily removable panel allows for access to internal components

Control Options:

  • Remote HMI with 50 foot connecting wire 
  • Modbus TCP/IP communications 
  • BACnet MS/TP communicaitons 
  • BACnet/IP communications 
  • Variable speed compressor (5-, 10-, 15-, 20-, and 30-ton units) 
Mechanical Options:
  • Oversized pumps for increased process fluid flows and/or pressures
  • High flow unit design for reduced internal pressure loss at higher processes fluid flows
  • Alarm horn
  • Alarm relay
  • C-UL508A industrial control panel construction
  • Extended condenser air range (0°F to 110°F)
  • High temperature condenser air range (60°F to 122°F)
  • Low temperature condenser air range (-20°F to 110°F)
  • Wide temperature condenser air range (0°F to 122°F)
  • Remote air-cooled condenser coil coating for installations near coastal regions
  • Pump and tank deduct for applications that do not require the standard internal pump and tank
  • Oversized reservoirs
  • Water circuit designed for use with de-ionized water
  • Stainless steel cabinetry for special applications such as food processing plants
  • Automatic electric water make-up valve for applications requiring automatic fluid make-up
  • High pressure variable-speed fans for air-cooled condenser chillers for ducting of discharge air
  • Modbus TCP/IP, BACnet MS/TP, BACnet/IP, LonWorks, or OPC/UA communications ports
  • Emergency stop button to provide a quick means of stopping the chiller
  • Remote HMI with 50 foot wire to duplicate unit mounted controls
  • Special color paint for applications requiring the chiller match the color of other equipment

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EP2 Series Chillers Product Resources