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50CJX

Carrier Commercial Air Treatment Close Control Unit
50CJX
Direct Expension - CCU

50CJX

Compact precision cabinet air‑conditioning unit delivering efficient cooling, advanced airflow control, and year‑round reliability
The Carrier 50CJX Precision Cabinet Unit is a compact, dual‑wall air‑conditioning solution designed for applications requiring precise temperature and airflow control. Featuring EC fan technology, intelligent PLC control, and robust construction, the 50CJX delivers reliable cooling performance across a wide range of operating conditions.

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

  • Electrics box

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

Control / Integrations

PLC‑Based Control System

Carrier CCU controller
Manages:
Fan speed
Cooling capacity
Temperature and humidity

Airflow & Pressure Control

EC fan speed modulation
Condenser fan variable‑speed control using pressure sensor
Ensures stable operation and optimized energy use

System Integration

Designed for integration with Carrier control platforms
Compatible with third‑party Building Management Systems (BMS)

Monitoring & Safety

Continuous monitoring of:
Airflow
Filter fouling
Temperature and humidity
Emergency stop switch enhances operational safety

Technical Documents

Document Name Description Document Type Language Action
Technical Documentation 50CJX Technical Documents PDF English Download
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Our experts can help you choose the right commercial, residential, or light commercial HVAC solution from Carrier, Toshiba, and Viessmann.

Email

ahi@ahi-carrier.com

Phone

+971 650 45700

Headquarters

Sharjah Research Technology and Innovation Park First Floor, Wing B – Sharjah United Arab Emirates

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