Stationary Liquid Cooled Chiller

Extreme Environment Chillers
Mobile Outdoor Chillers - Air Cooled - OTX
0.75 to 7.5 Ton Cooling Capacity

Outdoor Chillers / Mobile Chillers - Product Information (PDF)

Extreme environment chillers for mobile and outdoor applications. Ambient operating temperature ranges from -40°C Up to 55°C.

Extreme Environment Outdoor and Mobile Chiller Features

  • 0.75 to 7.5 tons (2.5 to 26.5 KW) of cooling capacity
  • Opti Temp patented advanced refrigeration control (ARC) circuitry standard
  • Heavy-duty electrical components, switches, motor starters and lights
  • NEMA 4 S.S. or epoxy coated steel weather proofelectrical enclosure
  • All stainless steel cabinetry or epoxy coated steel prevents rusting in harsh outdoor conditions
  • Removable cover and side access panels
  • S.S. brazed plate evaporator
  • Micro-processor based PID auto tuning controller with digital display
  • Standard dual frequency power input
  • CE compliance
  • Stainless steel male NPT process connections
  • One year limited warranty
  • Designs tested and proven in Environmental Chamber for maximum and minimum ambient conditions

Outdoor and Mobile Chiller Options

Controls / Interlocks

  • PLC controller
  • RS232 and RS485 communication
  • Ethernet ready controller
  • Remote start/stop
  • Audible alarm with silence
  • Visual alarm beacon
  • Remote control
  • Fluid monitoring and control device


  • 24V control systems
  • Phase monitor
  • Power cord extension
  • NRTL certifications


  • Specific ambient ranges available
  • Multiple pump upgrades
  • Specialty wetted construction materials
  • Stainless steel process filter housing w/30micron particle filter cartridge
  • Heater options-5kW Standard, 15kW Optional
  • Anti-drain back prevention
  • Remote temperature sensing
  • Fluid circuit insulation
  • Process fluid manifolds
  • Interconnect Hose
  • Extended warranty

World Class Components

Our outdoor/mobile chillers feature easy to use standardized control components which are time tested and widely available throughout the global marketplace to create a system engineered for years of reliable service. All OptiTemp chillers feature a full one-year parts and labor warranty.