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Fujitsu ASTB18LDC Operating Manual

Heat & cool model (reverse cycle).

 
HEAT & COOL MODEL
(REVERSE CYCLE)
ROOM AIR CONDITIONER
WALL MOUNTED TYPE
Indoor Unit
ASTB18LDC
Outdoor Unit
AOTS18LDC
KEEP THIS OPERATION MANUAL
FOR FUTURE REFERENCE
FUJITSU GENERAL LIMITED
OPERATING MANUAL
REFRIGERANT
This Air Conditioner contains and operates
with refrigerant R410A and Polyol Ester oil.
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.
R410A
P/N9315231031-01

Summary of Contents

  • Page 1

    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 KEEP THIS OPERATION MANUAL the installation, maintenance and/or service of this product. FOR FUTURE REFERENCE FUJITSU GENERAL LIMITED P/N9315231031-01...

  • Page 2

    CONTENTS SAFETY PRECAUTIONS ......... 1 SWING OPERATION..........12 FEATURES AND FUNCTIONS ....... 2 COIL DRY OPERATION ......... 12 NAME OF PARTS ............ 3 MANUAL AUTO OPERATION ......12 PREPARATION ............5 CLEANING AND CARE ......... 13 OPERATION ............. 6 CLEANING THE PLASMA AIR CLEANING OPERATION .........

  • Page 3

    FEATURES AND FUNCTIONS INVERTER SWING OPERATION At the start of operation, a large power is used to bring the The Air Flow Direction Louvers swings automatically up and room quickly to the desired temperature. Afterwards, the down so that the air speeds to every nook and corner of unit automatically switches to a low power setting for eco- your room.

  • Page 4

    NAME OF PARTS Fig. 1 Fig. 2 COIL DRY AIR CLEAN OPERATION TIMER Fig. 3 Fig. 5 Fig. 4 Fig. 6 – ≠ Ÿ ⁄ ¤ ¡ ™ › ‹ £ ¢ ∞ fi fl ‡ § ¶ • ° ª...

  • Page 5

    NAME OF PARTS Fig. 1 Indoor Unit Fig. 6 Remote Control Unit 1 Operating Control Panel (Fig. 2) K Signal Transmitter 2 MANUAL AUTO button L MASTER CONTROL button ● M FAN CONTROL button When kept on pressing the MANUAL AUTO button for more than 10 seconds, N START/STOP button the forced cooling operation will start.

  • Page 6

    PREPARATION CAUTION! Turn on the Power ● Take care to prevent infants from accidentally swallowing batteries. Connect the Power Supply Plug (Fig. 1 F) to an electri- ● When not using the Remote Control Unit cal outlet; in the case of a direct line connection, turn for an extended period, remove the batteries to avoid possible leakage and on the circuit breaker.

  • Page 7

    OPERATION To Select Mode Operation Press the START/STOP button (Fig.6 N). The indoor unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) will light. The air conditioner will start operating. Press the MASTER CONTROL button (Fig.6 L) to se- lect the desired mode. Each time the button is pressed, the mode will change in the following order.

  • Page 8

    To Stop Operation Press the START/STOP button (Fig.6 N). The OPERATION Indicator Lamp (red) (Fig. 3 5) will go out. About AUTO CHANGEOVER Operation ● When AUTO CHANGEOVER operation first selected, the fan will oper- AUTO: ate at very low speed for about one minute, during which time the unit detects the room conditions and selects the proper operating mode.

  • Page 9

    AIR CLEANING OPERATION If you wish to eliminate dirt,dust,cigarette smoke, pollen, or just simply purify the air of the room, use the Air Cleaning Mode. Press the START/STOP button (Fig. 6 N). The OPERATION Indicator Lamp (red) (Fig. 3 5) will light. (If the unit is already in operation, please proceed to step 2.) Press the AIR CLEAN button (Fig.

  • Page 10

    TIMER OPERATION Before using the timer function, be sure that the Remote Control Unit is set to the correct current time (☞ P. 5). To Use the ON timer or OFF timer Press the START/STOP button (Fig. 6 N) To Cancel the Timer (if the unit is already operating, proceed to step 2).

  • Page 11

    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 MODE button to select SLEEP button (Fig.

  • Page 12

    ADJUSTING THE DIRECTION OF AIR CIRCULATION Vertical (up-down) direction of airflow is adjusted by pressing the Remote Control Unit’s SET button. Horizontal (right-left) airflow direction is adjusted manually, by moving the Air Flow Direction Louvers. Whenever making horizontal airflow adjustments, start air conditioner operation and be sure that the vertical air direction louvers are stopped.

  • Page 13

    SWING OPERATION Begin air conditioner operation before performing this procedure. To select SWING Operation Press the SWING button (Fig. 6 T). The SWING Display (Fig. 7 b) will light. In this mode, the Air Flow Direction Louvers will swing automatically to direct the air flow both up and down.

  • Page 14

    CLEANING AND CARE ● Before cleaning the air conditioner, be sure to turn it off and disconnect the Power Supply Cord. CAUTION! ● Be sure the Intake Grille (Fig. 4 9) 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 15

    CLEANING THE PLASMA AIR CLEANING FILTER Before cleaning the plasma filter unit, be sure to turn off the power supply to the air conditioner. WARNING! Electric shock may result. ● Make sure the plasma filter unit is properly mounted before cleaning or performing other tasks CAUTION! on it.

  • Page 16

    Cleaning the dust collection unit 5. Install the unit. 6. Install the air filter. ● Please consult instructions for cleaning the air filter (The above figure is only for reference, so the intake grille is not included.) on page 13. 7.

  • Page 17

    How to install or remove the Air- Air-cleaning and Deodorizing filter cleaning and Deodorizing filter maintenance As well as ensuring the maintenance of the dust collecting 1. Remove the dust-collecting unit. unit, please also take care of the filter. ● Please consult steps 1 and 2 of cleaning the dust- (Please carry out maintenance on the filter every 6 months.) collecting unit on page 14.

  • Page 18

    TROUBLESHOOTING In the event of a malfunction (burning smell, etc.), immediately stop operation, disconnect the WARNING! 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 19

    TROUBLESHOOTING Symptom Items to check See Page ● Is the Power Supply Plug disconnected its outlet? Doesn’t operate at all: CHECK ONCE MORE ● Has there been a power failure? — ● Has a fuse blown out, or a circuit breaker been tripped? ●...

  • Page 20

    OPERATING TIPS Temperature and Humidity Range Cooling Mode Dry Mode Heating Mode Outdoor temperature About –10 to 43 °C About –10 to 43 °C About –15 to 24 °C Indoor temperature About 18 to 32 °C About 30 °C or less About 18 to 32 °C ●...

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