Fujitsu Inverter Air Conditioner Manual

The Fujitsu Inverter Air Conditioner is an energy-efficient cooling and heating system featuring advanced inverter technology, multiple operation modes, intelligent temperature control, remote control operation, timer functions, air swing control, sleep mode, filter indicators, and eco-friendly refrigerant. Designed for residential and commercial use with various capacity models. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Operation Modes 7. Remote Control Functions 8. Maintenance & Cleaning 9. Safety Features 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Indoor unit with LCD display, Outdoor compressor unit, Remote Control, Air filters, Air swing louvers, Temperature sensors.

Feature	Description
Inverter Technology	Energy-efficient variable speed compressor
Operation Modes	Cool, Heat, Dry, Fan, Auto
Temperature Range	16°C - 30°C (60°F - 86°F)
Remote Control	Full function wireless remote
Timer Functions	24-hour on/off timer
Air Swing	Vertical and horizontal air direction control
Sleep Mode	Automatic temperature adjustment for comfort
Filter Indicator	Alerts when filter needs cleaning
Quiet Operation	Low noise levels for peaceful environment
Auto Restart	Resumes previous settings after power outage

Installation

Professional installation recommended. Unpack and inspect all components.

Select installation location: Ensure proper clearance around indoor and outdoor units.
Mount indoor unit: Secure to wall with mounting bracket at recommended height.
Install outdoor unit: Place on stable surface with proper ventilation.
Connect refrigerant lines: Use proper tools and follow manufacturer guidelines.
Electrical connections: Connect to dedicated circuit with proper grounding.
Vacuum and charge system: Remove air and moisture from refrigerant lines.

WARNING! Installation must be performed by qualified technician. Incorrect installation may cause injury or equipment damage.

First-Time Setup

After installation, perform initial setup for optimal performance.

Power on unit: Turn on circuit breaker and press power button.
Remote control setup: Insert batteries and point at indoor unit.
Initial settings: Set clock, temperature units (°C/°F), and basic preferences.
Test operation: Run unit in different modes to verify proper function.
Configure timer: Set daily operation schedule if desired.

CAUTION! Allow unit to stabilize for 10 minutes after initial startup.

Specifications

Cooling Capacity: 9,000 - 24,000 BTU/h (varies by model)
Heating Capacity: 9,000 - 24,000 BTU/h (varies by model)
Power Supply: 220-240V, 50/60Hz
Refrigerant: R410A (eco-friendly)
Noise Level: 19-45 dB (indoor), 48-58 dB (outdoor)
Energy Efficiency: High SEER rating
Air Flow: Adjustable multi-speed fan
Dimensions: Varies by model series
Weight: 7-15 kg (indoor), 25-45 kg (outdoor)

Controls and Settings

Access controls via remote or indoor unit buttons. Main controls: POWER, MODE, TEMP, FAN, TIMER, SWING.

Remote Functions: POWER, MODE selection, Temperature adjustment, Fan speed, Timer set/cancel, Swing control, Sleep mode, Turbo function, Filter reset.

Temperature Settings: 16°C - 30°C in 1°C increments. Fan Speeds: Auto, Low, Medium, High, Turbo. Mode Settings: Cool, Heat, Dry, Fan, Auto. Timer: 24-hour programming for on/off cycles. Swing: Adjust vertical and horizontal air direction.

Operation Modes

Multiple operation modes for different comfort needs.

Cool Mode: Standard air conditioning operation
Heat Mode: Heating operation (heat pump models)
Dry Mode: Dehumidification without significant cooling
Fan Mode: Air circulation only
Auto Mode: Automatic selection of cool or heat based on room temperature
Sleep Mode: Gradually adjusts temperature for comfortable sleep
Turbo Mode: Maximum cooling/heating for quick temperature change

Tip: Use Auto mode for energy-efficient operation.

Remote Control Functions

Complete control of all air conditioner functions.

Power On/Off: Turns unit on or off
Mode Selection: Cycle through operation modes
Temperature Adjustment: Increase/decrease set temperature
Fan Speed: Select from Auto, Low, Medium, High, Turbo
Timer Setting: Program on/off times
Swing Control: Adjust air direction louvers
Sleep Mode: Activate sleep comfort settings
Filter Reset: Reset filter cleaning indicator
Display: Show current settings and room temperature

WARNING! Keep remote control dry and away from heat sources. Replace batteries when weak.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Air Filter Cleaning: Clean every 2 weeks during operation
Outdoor Unit: Keep area clear of debris and vegetation
Indoor Unit: Wipe with soft dry cloth
Professional Service: Annual maintenance by qualified technician
Filter Replacement: Replace as needed based on usage

CAUTION! Always disconnect power before cleaning. Do not use water or chemicals on electrical components.

Safety Features

Built-in safety protections for secure operation.

Auto Restart: Resumes operation after power interruption
Overload Protection: Prevents compressor damage
Freeze Protection: Prevents coil freezing in cooling mode
High Pressure Protection: Monitors refrigerant pressure
Child Lock: Prevents unauthorized operation changes
Filter Alert: Indicates when filter needs cleaning
Temperature Limits: Prevents extreme temperature settings

Regulatory Information

Complies with international safety and efficiency standards. Energy Star certified for energy efficiency. UL listed for electrical safety. Manufactured in accordance with ISO 9001 quality standards. Uses R410A refrigerant compliant with environmental regulations. For technical support and service, contact authorized Fujitsu dealers or visit www.fujitsugeneral.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not starting	Power supply/remote	Check circuit breaker; ensure remote batteries; point remote at unit.
Poor cooling/heating	Filters/temperature setting	Clean air filters; check temperature setting; ensure proper installation.
Unusual noises	Loose parts/fan obstruction	Check for loose panels; clear obstructions from fan; contact service.
Water leakage	Clogged drain pipe	Check drain pipe for blockage; ensure proper slope; contact service.
Remote not working	Batteries/obstacles	Replace batteries; remove obstacles; ensure proper aiming.
Error codes displayed	System malfunctions	Note error code; turn off power; wait 10 minutes; restart; contact service if persists.

Reset: Turn off power for 10 minutes, then restart.

Service: Contact authorized Fujitsu service center for professional repairs.