Fujitsu ASTG18KMCA Manual

The Fujitsu ASTG18KMCA is a high-efficiency split-type air conditioning system with 1.5HP cooling capacity, featuring inverter technology for energy savings, wireless remote control, auto-swing louvres, sleep mode, timer functions, dehumidification mode, and eco-friendly R32 refrigerant. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

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

Features at a Glance

Key components: Indoor unit, Outdoor unit, Remote control, Installation accessories, User manual.

Feature	Description
Cooling Capacity	1.5HP (5.0kW)
Inverter Technology	Variable speed compressor for energy efficiency
Refrigerant	R32 eco-friendly
Remote Control	Wireless with LCD display
Operating Modes	Cool, Heat, Fan, Dry, Auto
Air Flow Direction	Auto-swing louvres
Timer Functions	On/Off timer
Sleep Mode	Automatic temperature adjustment
Noise Level	Low noise operation
Energy Rating	High efficiency 5-star rating

Installation

Professional installation required. Unpack and inspect all components.

Select installation location: Indoor unit on interior wall, outdoor unit on stable surface.
Mount indoor unit: Use mounting bracket provided, ensure level installation.
Install outdoor unit: Place on concrete pad or mounting brackets.
Connect refrigerant pipes: Use flare connections, ensure proper insulation.
Electrical connections: Connect to dedicated circuit with proper grounding.
Vacuum and charge system: Remove air and moisture, charge with R32 refrigerant.

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

First-Time Setup

After installation, perform initial setup and testing.

Power on system: Turn on circuit breaker for indoor and outdoor units.
Test remote control: Install batteries, point at indoor unit signal receiver.
Select operating mode: Press MODE button to choose Cool, Heat, or Auto.
Set temperature: Use temperature buttons to set desired comfort level.
Test all functions: Verify cooling, heating, fan speeds, and timer operations.
Adjust louvres: Set auto-swing or fixed position as preferred.

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

Specifications

Model: ASTG18KMCA
Cooling Capacity: 5.0kW (1.5HP)
Heating Capacity: 5.2kW
Power Supply: 220-240V, 50Hz
Refrigerant: R32
Indoor Unit Noise: 24-38 dB(A)
Outdoor Unit Noise: 50 dB(A)
Energy Rating: 5-star
Indoor Unit Dimensions: 800 x 285 x 195 mm
Outdoor Unit Dimensions: 780 x 540 x 285 mm

Controls and Settings

Control via remote control or indoor unit buttons. Main functions: POWER, MODE, TEMP, FAN, TIMER, SWING.

Operating Modes: COOL (blue snowflake), HEAT (red sun), DRY (water drop), FAN (fan symbol), AUTO (auto symbol).

Temperature Setting: 16°C to 30°C. Fan Speed: Auto, Low, Medium, High, Turbo. Timer: On/Off timer up to 24 hours. Swing: Auto vertical/horizontal louvre movement. Sleep Mode: Automatic temperature adjustment for comfortable sleep.

Remote Control Operation

Wireless remote with LCD display and full function control.

Power: Turns unit on/off
Mode: Cycles through operating modes
Temperature: Adjusts set temperature
Fan Speed: Selects air flow rate
Swing: Controls louvre direction
Timer: Sets on/off schedules
Sleep: Activates sleep mode
Turbo: Maximum cooling/heating
Reset: Returns to default settings

Tip: Point remote directly at indoor unit signal receiver for reliable operation.

Maintenance

Regular maintenance ensures optimal performance and longevity.

Clean air filters: Remove and wash every 2 weeks during heavy use
Clean indoor unit: Wipe with soft dry cloth
Clean outdoor unit: Remove debris from fins and fan
Check drainage: Ensure condensate drain is clear
Professional service: Annual maintenance by qualified technician

WARNING! Always disconnect power before cleaning. Do not use water on electrical components.

Energy Saving Tips

Maximize efficiency and reduce energy consumption.

Set temperature to 24-26°C in cooling mode
Use timer function to avoid unnecessary operation
Keep doors and windows closed during operation
Clean filters regularly for optimal airflow
Use sleep mode overnight
Ensure proper insulation in room

Safety Precautions

Important safety information for proper operation.

CAUTION! Do not operate with wet hands. Do not block air inlets or outlets. Do not insert objects into unit. Ensure proper electrical grounding. Keep children away from outdoor unit. In case of abnormal operation, turn off immediately and contact service.

Regulatory Information

Complies with relevant safety and environmental standards. R32 refrigerant has low global warming potential. For technical support, contact Fujitsu authorized service center or visit www.fujitsu-general.com. Warranty period: 5 years on compressor, 1 year on parts.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not starting	Power supply	Check circuit breaker; ensure remote batteries; verify power connection.
Poor cooling/heating	Dirty filters/settings	Clean air filters; check temperature setting; ensure doors/windows closed.
Water leakage	Blocked drain	Check drain pipe for blockage; ensure proper installation slope.
Unusual noise	Loose parts/debris	Check for loose panels; remove debris from outdoor unit fan.
Remote not working	Batteries/distance	Replace batteries; point remote at signal receiver; reduce distance.

Reset: Turn off at circuit breaker for 5 minutes, then restart.

Service: Contact Fujitsu authorized service center for professional assistance.