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AHI Carrier global logo — commercial air conditioning, chillers, and HVAC control systems

50CJW

Carrier Commercial Air Treatment Close Control Unit
50CJW
Chilled Water Coil - CCU

50CJW

Compact chilled‑water precision cabinet delivering accurate temperature and humidity control with high energy efficiency
The Carrier 50CJW Precision Cabinet Unit is a dual‑wall, chilled‑water close‑control solution designed for applications requiring precise environmental management. With EC fan technology, PLC‑based control, and compact construction, the 50CJW ensures stable performance, energy savings, and reliable operation in sensitive spaces.

  • Compact footprint
  • Dual-wall construction
  • Fan motor assembly with EC motor (electronically commutated)
  • PLC control
  • Condenser fan variable speed control

Features

  • Casing

    • Dual wall construction
    • RAL 7035 grey pre-lacquered removable panel

  • Filtration

    • F2SI type filter cells, efficiency 90% as per ASHRAE gravimetric test (G4)
    • Filter cells tightly compressed to ensure a completely leaktight seal
    • Fouling level monitored by an analogue pressure sensor

  • Cooling coil cross-section

    • Copper tube coil, aluminum fins
    • Condensate drain pan
    • Model W with 2- or 4-way control valve fitted and connected
    • Model X with thermostatic expansion valve

  • Ventilation section

    • Direct drive centrifugal fan, associated with an electronically commutated (EC) motor
    • EC motor: fan adaptation via manual adjustment or "self-regulating" adjustment by the controller
    • Air flow rate monitored by an analogue pressure sensor

  • Electrics box

    • Emergency stop type disconnect switch
    • Regulated by Carrier CCU controller
    • Return air dry-bulb temperature control
    • Return humidity control

  • Scroll compressor

    • Crankcase resistance on models 50-65-75
    • Air-cooled condenser, copper tube coil, aluminum fins
    • Propeller fan(s) with EC motor
    • All-season operation
    • Condensation pressure control by fan variable speed control (pressure sensor)
    • External operating limits: -15°C to +45°C
    • Casing in recyclable synthetic "ABS" material and UV stabilized, light and very solid

Technical Documents

Document Name Description Document Type Language Action
Technical Documentation 50CJW Technical Documentation PDF English Download

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