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Old Models

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Old Models LG
4 Way Cassette ARNU073TRC2 ... ARNU483TMC2 LG

4 Way Cassette
ARNU073TRC2 ... ARNU483TMC2 7,500 to 51,200 BTU

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The LG 4-way ceiling cassette models offer capacities up to 4 tons. With maintenance friendly features like the optional auto elevation grill, it becomes easy to access filters for cleaning even on the highest ceilings. Independently controlled vanes allow individualized control in all directions around the 4-way ceiling cassette. The unit also has specially designed vanes that direct air where it is wanted and covers the corners of the room. Removable corner access panels allow easy access for height adjustment and maintenance checks. Ceiling cassettes can be installed in schools, offices, conference rooms, homes and residences, hotels guest rooms and lobbies, or anywhere wall space is not available.



  • Auto changeover (Sync II only)
  • Auto operation
  • Auto restart
  • Child lock
  • Dual thermistor control
  • Forced operation
  • Group control
  • Hot start
  • Self diagnostics
  • Sleep mode
  • Timer (on/off)
  • Weekly schedule
  • Soft dry (dehumidification)


  • Auto direction/swing (up/down)
  • Fan speed control
  • Chaos wind (randow fan speed)
  • Swirl wind (alternating vanes)
  • Jet cool (fast cooling)


  • Washable antifungal filter
  • Plasma


  • 7-day programmable controller
  • Simple controller with mode
  • Simple controller without mode
  • Wireless handheld controller


  • Condensate lift1
  • Ventilation (outside air)2
  • Side branch ducting3
  • Standard grill4
  • Auto elevation grill kit5
  • Corner access panels

1 : 27 ½ inches from bottom of unit

2 : Ventilation kit required for 24-48 MBh PTVK410 and PTVK420. Temperature, humidity and volume limitations apply. See Engineering Manual for static pressure requirements and condition limits

3 : See Engineering Manual for airflow and static pressure requirements

4 : Standard grill is a required option (PT-UQC for 7-18MBh/ PT-UMC for 24-48MBh)

5 : Available only with 24-48 MBh

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