LG Ceiling Cassette Air Conditioners Manual Remote Control

The LG Ceiling Cassette Air Conditioners feature advanced climate control with remote operation capabilities. These systems provide efficient cooling and heating for commercial and residential spaces, offering multiple operation modes, temperature control, fan speed adjustment, timer functions, and energy-saving features. Below are key sections covering features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation Guidelines 3. First-Time Setup 4. Technical Specifications 5. Remote Control Functions 6. Operation Modes 7. Maintenance Procedures 8. Error Codes & Diagnostics 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Ceiling cassette unit, wireless remote control, LCD display, temperature sensors, air filters, and multiple airflow directions.

Feature	Description
Remote Control	Wireless operation with LCD display and full function control
Operation Modes	Cool, Heat, Fan, Dry, Auto
Fan Speed	Auto, Low, Medium, High, Turbo
Temperature Control	16°C - 30°C (60°F - 86°F) range
Timer Functions	24-hour on/off timer
Airflow Direction	4-way adjustable louvers
Sleep Mode	Automatic temperature adjustment for comfortable sleep
Energy Saving	Eco mode for reduced power consumption
Filter Indicator	Reminder for regular filter cleaning
Self-Diagnosis	Automatic error detection and display

Installation Guidelines

Professional installation recommended. Ensure proper ceiling clearance and electrical requirements.

Ceiling Preparation: Verify structural integrity and minimum 300mm clearance above ceiling.
Electrical Connection: Connect to dedicated circuit with proper voltage (208-230V).
Drainage Setup: Install condensate drain line with proper slope.
Refrigerant Piping: Connect outdoor unit with flare connections.
Remote Control: Install batteries and test communication range.

WARNING! Installation must be performed by qualified technicians only. Ensure proper electrical grounding.

First-Time Setup

Power on system and configure initial settings using remote control.

Remote Control Setup: Insert batteries (AAA x2) and point at indoor unit.
Initial Power: Turn on circuit breaker and wait for unit initialization.
Mode Selection: Press MODE button to select desired operation (Cool/Heat/Fan).
Temperature Setting: Use ▲▼ buttons to set desired temperature.
Fan Speed: Adjust airflow with FAN button for optimal comfort.
Timer Setup: Configure auto on/off times if needed.

CAUTION! Allow 5 minutes between power cycles to protect compressor.

Technical Specifications

Cooling Capacity: 18,000 - 60,000 BTU/h (varies by model)
Heating Capacity: 19,000 - 62,000 BTU/h (heat pump models)
Power Supply: 208-230V, 60Hz, 1Phase
Refrigerant: R410A
Noise Level: 38-45 dB (indoor unit)
Airflow: 800-1800 CFM (adjustable)
Dimensions: 595x595mm or 840x840mm (standard sizes)
Remote Control: Wireless IR, 8m operating range
Weight: 25-45 kg (depending on model)

Remote Control Functions

Complete control of all air conditioner functions through wireless remote.

Main Buttons: POWER, MODE, TEMP ▲▼, FAN, SWING, TIMER, SLEEP, RESET, FILTER, CLOCK.

Display Indicators: Current temperature, set temperature, operation mode, fan speed, timer status, filter alert, swing status. Special Functions: Auto restart after power failure, child lock, temperature unit conversion (°C/°F), buzzer on/off.

Operation Modes

Multiple operation modes for different comfort requirements.

Cool Mode: Standard air conditioning with temperature control
Heat Mode: Heating operation (heat pump models only)
Fan Mode: Air circulation without cooling/heating
Dry Mode: Dehumidification while maintaining temperature
Auto Mode: Automatic selection of Cool/Heat based on room temperature
Turbo Mode: Maximum cooling/heating capacity for rapid temperature change
Quiet Mode: Reduced noise operation for nighttime use

Tip: Use Auto mode for energy-efficient operation throughout the day.

Maintenance Procedures

Regular maintenance ensures optimal performance and longevity.

Air Filter Cleaning: Remove and clean every 2 weeks with vacuum or water
Surface Cleaning: Wipe unit surface with soft dry cloth
Drain Pan Inspection: Check for blockages monthly during heavy use
Remote Control: Replace batteries every 6-12 months
Professional Service: Annual inspection by qualified technician
Winterization: For seasonal units, follow proper shutdown procedures

WARNING! Always disconnect power before performing any maintenance.

Error Codes & Diagnostics

Self-diagnosis system displays error codes for quick troubleshooting.

Error Code	Description	Action
CH 01	Indoor unit communication error	Check wiring connections
CH 02	Outdoor unit communication error	Verify outdoor power
CH 07	Inverter compressor error	Professional service required
CH 09	Discharge temperature sensor error	Check sensor connection
CH 15	Outdoor temperature sensor error	Replace sensor if faulty
CH 35	Drain pump/floar switch error	Clear drain line blockage

Care & Cleaning

Proper cleaning maintains efficiency and air quality.

Air Filters: Remove and clean every 2 weeks. Use vacuum cleaner or wash with mild detergent. Dry completely before reinstalling. Unit Surface: Wipe with soft, dry cloth. Do not use abrasive cleaners. Remote Control: Clean with dry cloth. Replace batteries when display dims. Drain System: Ensure drain line is clear of obstructions.

CAUTION! Do not use water or cleaning solutions on electrical components.

Regulatory Information

UL/ETL certified for safety standards. Energy Star compliant models available. EPA refrigerant handling certification required for service. Manufactured by LG Electronics. For technical support, contact LG Customer Service at 1-800-243-0000 or visit www.lg.com. All specifications subject to change without notice.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not starting	Power supply/remote	Check circuit breaker; replace remote batteries; ensure remote pointed at unit
Poor cooling/heating	Dirty filters/settings	Clean air filters; check temperature setting; ensure vents not blocked
Water leakage	Clogged drain	Clear drain line; check drain pan installation
Unusual noise	Loose parts/fan	Check for loose screws; ensure fan blades not obstructed
Remote not working	Batteries/obstacles	Replace batteries; remove obstacles; check operating distance
Error code displayed	System fault	Note error code; power cycle unit; contact service if persistent

Reset Procedure: Turn off power for 5 minutes, then restart. For remote reset, remove batteries for 30 seconds.

Service Contact: LG Customer Service 1-800-243-0000; www.lg.com