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Fujitsu ASTG14LUCA - User Manual

Fujitsu ASTG14LUCA
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KEEP THIS OPERATION MANUAL
FOR FUTURE REFERENCE
FUJITSU GENERAL LIMITED
OPERATING MANUAL
P/N 9319356020
Indoor Unit
ASTG09LUCA
ASTG14LUCA
ASTG18LUCA
Outdoor Unit
AOTG09LUC
AOTG14LUC
AOTG18LUC
ROOM AIR CONDITIONER
COMPACT WALL MOUNTED TYPE
R410A
REFRIGERANT
This Air Conditioner contains and
operates with refrigerant R410A.
THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED
BY QUALIFIED PERSONNEL.
Refer to Commonwealth, State, Territory and local legislation,
regulations, codes, installation & operation manuals, before
the installation, maintenance and/or service of this product.
9319356020_OM_EN.indd 19319356020_OM_EN.indd 1 7/18/2011 1:38:48 PM7/18/2011 1:38:48 PM

Table of Contents

Questions and Answers

  • S
    Stuart MercadoAug 15, 2025
    Why is my Fujitsu Air Conditioner cooling or heating poorly?
    • L
      Lucas CoxAug 15, 2025
      Poor cooling or heating performance in your Fujitsu Air Conditioner can stem from several factors. Check if the air filter is dirty, or if the intake grille or outlet port is blocked. Ensure your room temperature settings are correctly adjusted. An open window or door could also impact performance. In cooling mode, bright sunlight entering the room or the presence of heat-generating equipment might be the cause. Also, check if 'OUTDOOR UNIT LOW NOISE' or 'SUPER QUIET' operations are enabled.
  • A
    Allen HarrisonAug 18, 2025
    What to do if my Fujitsu ASTG14LUCA doesn't operate at all?
    • M
      Megan WilliamsAug 18, 2025
      If your Fujitsu Air Conditioner doesn't operate at all, first check if the circuit breaker has been turned off or if there has been a power failure. Verify that a fuse hasn't blown or a circuit breaker hasn't been tripped. Also, ensure the intake grille isn't completely closed and that the timer isn't operating.
  • J
    James TapiaAug 22, 2025
    Why is water produced from the outdoor unit of my Fujitsu ASTG14LUCA Air Conditioner?
    • T
      Taylor BrownAug 22, 2025
      During heating operation, water may be produced from the outdoor unit of your Fujitsu Air Conditioner due to the automatic defrosting operation.
  • E
    Ethan HenryAug 26, 2025
    Why is the airflow weak or stopping in my Fujitsu Air Conditioner?
    • R
      Ryan GutierrezAug 26, 2025
      Weak airflow in your Fujitsu Air Conditioner can occur for several reasons. When heating starts, fan speed is temporarily low to warm internal parts. If the room temperature exceeds the setting during heating, the outdoor unit stops, and the indoor unit operates at very low fan speed. The unit may also temporarily stop during Automatic Defrosting (up to 15 minutes). In Dry mode, the fan operates at low speed or may stop to adjust humidity. Finally, 'SUPER QUIET' operation or AUTO mode can cause very low fan speed.
  • A
    Amanda RodriguezAug 29, 2025
    What to do if my Fujitsu Air Conditioner unit operates differently from the Remote Controller’s setting?
    • R
      rwrightAug 29, 2025
      If your Fujitsu Air Conditioner isn't responding to the remote controller, check if the remote controller's batteries are dead or if they are loaded properly.
  • M
    Mr. Francisco BrooksAug 31, 2025
    How to fix a Fujitsu ASTG14LUCA Air Conditioner that doesn’t operate immediately?
    • K
      Kimberly KnightSep 1, 2025
      If the indoor unit of your Fujitsu Air Conditioner is stopped and then immediately started again, the compressor will not operate for about 3 minutes to prevent fuse blowouts. Also, whenever the electrical breaker is turned off then on again, the protection circuit will operate for about 3 minutes, preventing unit operation during that period.
  • B
    Brian KellySep 4, 2025
    Why is mist or steam emitted from my Fujitsu Air Conditioner?
    • D
      Denise JonesSep 4, 2025
      Mist or steam emitted from your Fujitsu Air Conditioner can occur for two primary reasons: During cooling or dry operation, a thin mist may appear due to the rapid cooling of room air, leading to condensation. Alternatively, during heating, steam may rise from the outdoor unit due to the automatic defrosting operation, during which the fan may stop.
  • J
    jeremybutlerSep 8, 2025
    Why is noise heard from my Fujitsu ASTG14LUCA?
    • D
      Danielle WaltersSep 8, 2025
      The sound of water flowing in the Fujitsu Air Conditioner's piping may be heard during or immediately after operation. A slight squeaking sound may also occur due to minute expansion and contraction of the front panel caused by temperature changes. During heating, a sizzling sound might be heard occasionally, which is normal and produced by the automatic defrosting operation.
  • J
    jessicakhanSep 12, 2025
    Why does my Fujitsu ASTG14LUCA Air Conditioner emit smells?
    • A
      Angela SimpsonSep 12, 2025
      Some smell may be emitted from the indoor unit of your Fujitsu Air Conditioner. This smell is the result of room smells (furniture, tobacco, etc.) which have been taken into the indoor unit.

Summary

FEATURES AND FUNCTIONS

Energy Saving and Comfortable Functions

Describes features like Inverter and Human Sensor for energy efficiency and comfort.

Remote Controller Options

REMOTE CONTROLLER

Remote Controller Operation

Explains button functions and signal transmission for the remote.

PREPARATION

Power and Battery Setup

Covers turning on power, loading batteries, and initial unit setup.

Setting Time and Remote Usage

OPERATION

Basic Operation Controls

Guides on starting, stopping, mode, temperature, and fan speed adjustments.

Advanced Operation Modes

Covers Auto Changeover, Super Quiet, specific mode details, and stopping.

ENERGY SAVING FEATURES

Human Sensor (Energy Saving)

Automatic temperature control based on room occupancy to save energy.

POWERFUL OPERATION

High-Power Cooling;Heating

Operates at maximum power for quick temperature adjustment.

ECONOMY OPERATION

Energy Saving Mode

Operates at slightly adjusted temperatures to save energy.

SPECIALIZED MODES

10 °C Heat Operation

Outdoor Unit Low Noise Operation

TIMER OPERATIONS

On;Off Timer Setting

PROGRAM TIMER OPERATION

Integrated On;Off Timer Sequences

SLEEP TIMER OPERATION

Sleep Comfort Timer

WEEKLY TIMER OPERATION

Setting Weekly Schedules

Timer Operation and Configuration

TROUBLESHOOTING

Normal Function Issues

Addresses common symptoms like non-operation, noise, smells, and mist.

Performance and Operation Checks

Lists checks for poor performance, incorrect operation, and battery issues.

Fujitsu ASTG14LUCA Specifications

General IconGeneral
TypeSplit System
Cooling Capacity4.2 kW
Seasonal Energy Efficiency Ratio (SEER)6.8
Power Supply220-240V, 50Hz
RefrigerantR32
Weight (Indoor Unit)9.5 kg
Energy Efficiency Class CoolingA++
Energy Efficiency Class HeatingA+

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