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LG Air Source 4-Way Ceiling Cassette

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LG System Models, Indoor Units, Fan Coil Units - Single Zone, Multi Zone, Multi V Air Source Repair, maintenance, and replacement planning
LG 4-Way Ceiling Cassette product image

Technical Specifications

Product Specs

  • Brand: LG Air Conditioning Technologies
  • Product type: Air Source
  • Product group: System Models, Indoor Units, Fan Coil Units - Single Zone, Multi Zone, Multi V
  • LG category: System Models, Indoor Units, Fan Coil Units
  • LG class: Single Zone, Multi Zone, Multi V
  • LG line: Residential/Light Commercial, Commercial
  • Model records in LG catalog: 83
  • Example model numbers: LC188HHV4, LCN098HV4, LCN128HV4, LCN188HV4, LCN249HV, LCN369HV, LCN429HV, LCN489HV, LMCN078HV, ARNU053TRD4, ARNU073TRD4, ARNU093TRD4, ARNU123TRD4, ARNU153TQD4, ARNU183TQD4, KNSCB241A
  • Catalog publish date: 03/06/2026
  • Model or series: 4-Way Ceiling Cassette
  • Equipment type: Air Source
  • System role: Indoor evaporator coil for a matched split HVAC system
  • Application: Residential, light-commercial, or zone-control comfort applications
  • Compatibility check: Match with compatible outdoor equipment, controls, airflow, voltage, and capacity before service or replacement.
  • Verified source: lghvac.com

Useful troubleshooting details

  • Confirm the exact LG model number, serial number, indoor/outdoor unit relationship, controller type, and connected zone count before scheduling.
  • Share photos of the indoor unit, outdoor unit, disconnect, controller, filter access, condensate routing, and any visible error code.
  • Note whether the concern is no cooling, no heat, weak airflow, water leak, noise, icing, control issue, short cycling, or uneven comfort.

Service planning

How GreenFlow handles 4-Way Ceiling Cassette requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Our Happy Customers

Sharad W.

Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

Terry S.

Excellent service from best tech!

Michael C.

always available, easy to get a hold of, as a property manager I get lots no heat emergency, usually get to it same day or next day

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