Fujitsu AST18AB Operating Manual

Wall mounted type

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OPERATING MANUAL
ROOM AIR CONDITIONER
WALL MOUNTED TYPE
Indoor Unit
AST18AB
AST18RB
AST24AB
AST24RB
AST30AB
AST30RB
Outdoor Unit
AOT18A
AOT18R
AOT24A
AOT24R
AOT30A
AOT30R
KEEP THIS OPERATION MANUAL
FOR FUTURE REFERENCE
FUJITSU GENERAL LIMITED
P/N9369993015

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Summary of Contents for Fujitsu AST18AB

  • Page 1 OPERATING MANUAL ROOM AIR CONDITIONER WALL MOUNTED TYPE Indoor Unit AST18AB AST18RB AST24AB AST24RB AST30AB AST30RB Outdoor Unit AOT18A AOT18R AOT24A AOT24R AOT30A AOT30R KEEP THIS OPERATION MANUAL FOR FUTURE REFERENCE FUJITSU GENERAL LIMITED P/N9369993015...
  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS .......... 1 MANUAL AUTO OPERATION ....... 9 FEATURES AND FUNCTIONS ......... 2 ADJUSTING THE DIRECTION OF NAME OF PARTS ............3 AIR CIRCULATION ..........10 PREPARATION ............5 SWING OPERATION ..........11 OPERATION .............. 6 CLEANING AND CARE ........12 TIMER OPERATION ..........
  • Page 3: Features And Functions

    FEATURES AND FUNCTIONS AUTOMATIC OPERATION REMOVABLE INTAKE GRILLE ● COOLING MODEL The indoor unit’s INTAKE GRILLE can be removed for easy cleaning and maintenance. Merely press the START/STOP button, and the unit will begin automatic operation in the Cooling or Dry mode as appropriate, in accordance with the thermostat setting MILDEW-RESISTANT FILTER and the actual temperature of the room.
  • Page 4: Name Of Parts

    NAME OF PARTS Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). Fig. 1 Fig. 2 SWING OPERATION TIMER SWING Fig. 3 Fig. 5 Fig. 4 Fig. 6 Fig. 8 Fig. 7...
  • Page 5 Fig. 1 Indoor Unit Fig. 6 Remote Control Unit 1 Operating Control Panel (Fig. 2) H SLEEP button 2 MANUAL AUTO button I MASTER CONTROL button J SET TEMP./SET TIME buttons ( 3 Indicator Panel (Fig. 3) K Signal Transmitter 4 Remote Control Signal Receiver L TIMER button 5 OPERATION Indicator Lamp (red)
  • Page 6: Preparation

    PREPARATION Load Batteries (R03/LR03 × × × × × 2) CAUTION! ● Take care to prevent infants from accidentally swallowing batteries. Press and slide the battery compartment lid on the re- ● When not using the remote control unit verse side to open it. for an extended period, remove the batteries to avoid possible leakage and Slide in the direction of the arrow while pressing the...
  • Page 7: Operation

    OPERATION Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). To Select Mode Operation Press the START/STOP button. The indoor unit’s OPERATION indicator lamp (red) will light. The air conditioner will start operating. Press the MASTER CONTROL button to select the de- sired mode.
  • Page 8 OPERATION Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). About Mode Operation AUTO: COOLING MODEL ● When the room temperature is 2 °C higher than the set temperature, the mode will Cooling Operation switch between Cooling and Drying.
  • Page 9: Timer Operation

    TIMER OPERATION Before using the timer function, be sure that the Remote Control Unit is set to the correct current time (See page 5). To Use the ON timer or OFF timer To Cancel the Timer Press the START/STOP button. Use the TIMER button to select “TIMER (if the unit is already operating, proceed to step 2).
  • Page 10: Sleep Timer Operation

    SLEEP TIMER OPERATION Unlike other timer functions, the SLEEP timer is used to set the length of time until air conditioner operate is stopped. To Use the SLEEP timer To Cancel the Timer: While the air conditioner is operating or stopped, press the Use the TIMER button to select “TIMER SLEEP button.
  • Page 11: Adjusting The Direction Of Air Circulation

    ADJUSTING THE DIRECTION OF AIR CIRCULATION Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). Vertical (up-down) direction of airflow is adjusted by pressing the remote control unit’s AIR FLOW DIRECTION VERTICAL SET button. Horizontal (right-left) direction of airflow is adjusted by pressing the remote control unit’s AIR FLOW DIRECTION HORIZONTAL SET button.
  • Page 12: Swing Operation

    SWING OPERATION Begin air conditioner operation before performing this procedure. To select Vertical airflow SWING Operation Press the AIR FLOW DIRECTION VERTICAL SWING button. The SWING indicator lamp (VERTICAL SWING) will light. In this mode, the UP/DOWN air direction flaps will swing automatically to direct the air flow both up and down.
  • Page 13: Cleaning And Care

    CLEANING AND CARE ● Before cleaning the air conditioner, be sure to turn it off and disconnect the power supply. CAUTION! ● Turn off the electrical breaker. ● Be sure the air filter is installed securely. ● When removing and replacing the air filters, be sure not to touch the heat exchanger, as per- sonal injury may result.
  • Page 14: Troubleshooting

    TROUBLESHOOTING Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the elec- WARNING! trical breaker or disconnect the power supply plug, and consult authorized service personnel. Merely turning off the unit’s power switch will not completely disconnect the unit from the power source.
  • Page 15: Operating Tips

    TROUBLESHOOTING Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). Items to check Symptom See Page CHECK ONCE Doesn’t operate at all: ● Has there been a power failure? — MORE ● Has a fuse blown out, or a circuit breaker been tripped? ●...
  • Page 16 OPERATING TIPS Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). AUTO Restart In Event of Power Interruption ● Should the power supply to the air conditioner be inter- ● Use of other electrical appliances (electric shaver, etc.) or rupted by a power failure, the air conditioner will restart nearby use of a wireless radio transmitter may cause the automatically in the previously selected mode once the...

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