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OPERATING MANUAL
AIR CONDITIONER
WALL MOUNTED TYPE
Indoor Unit
AST7 SERIES
AST9 SERIES
AST12 SERIES
KEEP THIS MANUAL
FOR FUTURE REFERENCE
P/N9373538035
FUJITSU GENERAL LIMITED
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CONTENTS SAFETY PRECAUTIONS .......................................... 1 ADJUSTING THE DIRECTION OF FEATURES AND FUNCTIONS ................................. 2 AIR CIRCULATION .................................................. 11 NAME OF PARTS ...................................................... 3 SWING OPERATION ............................................... 12 PREPARATION .......................................................... 5 MANUAL AUTO OPERATION ................................ 12 OP
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FEATURES AND FUNCTIONS Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). AUTOMATIC OPERATION SWING OPERATION The Air Flow Direction Louvers swings automatically up and *● HEAT & COOL MODEL (REVERSE CYCLE) down so that the air speeds to every nook and corner of Merely press the START/STOP button, and the unit will begin automatic operation in either the Heating, Cool- your room. ing, Dry or Monitor modes as appropriate, in accordance with the thermos
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NAME OF PARTS Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). Fig. 1 1 2 3 Fig. 2 4 B 5 OPERATION TIMER 9 6 C SWING 0 7 A Fig. 3 8 Fig. 4 P G Fig. 5 * HEAT & COOL MODEL (REVERSE CYCLE) D H Q R T E U I F V S K L W M N X COOLING MODEL J O Fig. 7 To facilitate explanation, the accompanying illustra- tion has been drawn to show all possible indicators; in actual operation, however, the display will only show those indicators appropriate to the current
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Fig. 1 Indoor Unit Fig. 5 Remote Control Unit 1 Operating Control Panel (Fig. 2) D SLEEP button 2 MANUAL AUTO button E MASTER CONTROL button F SET TEMP./SET TIME buttons ( ) 3 Remote Control Signal Receiver G Signal Transmitter 4 Indicator Lamps (Fig. 3) H TIMER button 5 OPERATION Indicator Lamp (red) I FAN CONTROL button ● Lights when unit is operating. J START/STOP button *● The lamp will flash slowly when the de- K AIR FLOW DIRECTION button frosting operation (see page 17). *● The lamp will
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PREPARATION CAUTION! Turn on the Power ● Take care to prevent infants from accidentally swallowing batteries. Turn on the circuit breaker. ● When not using the remote control unit for an extended period, remove the batteries to avoid possible leakage and Load Batteries (R03/LR03 × × × × × 2) damage to the unit. ● If leaking battery fluid comes in contact with your skin, eyes, or mouth, immedi- Press and slide the battery compartment lid on the re- ately wash with copious amounts of 1 water, and
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OPERATION Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). To Select Mode Operation Press the START/STOP button (Fig. 5 J). 1 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. 5 E) to se- 2 lect the desired mode. Each time the button is pressed, the mode will change in the following order: ss s AUTO COOL DRY t t *HEAT FAN About three seconds later,
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OPERATION Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). When set to AUTO: * Heating : Fan operates so as to optimally circulate warmed air. However, the fan will operate at very low speed when the temperature of the air issued from the indoor unit is low. Cooling : As the room temperature approaches that of the thermostat setting, the fan speed becomes slower. * Fan: HEAT & COOL MODEL (REVERSE CYCLE) The fan alternately turns on and off; when on
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AUTO: COOLING MODEL ● Depending on the room temperature at the time operation begins, the operating mode will be switched automatically as shown in the accompanying table. Also, depending on the operating mode, the room temperature setting will cause the “standard” temperature to be set as shown. Actual Room Operating Mode Thermostat Setting Temperature (standard setting) 30 °C or above → Cooling → 27 °C 27 to 30 °C → Cooling → 26 °C 25 to 27 °C → Dry → 24 °C 23 to 25 °C → Dry → 22 °C Below 23 °
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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 (Fig. 5 J) Use the TIMER button to select “TIMER 1 RESET”. (if the unit is already operating, proceed to step 2). The air conditioner will return to normal The indoor unit’s OPERATION indicator lamp (red) (Fig. 3 5) will light. operation. To Change the Timer Settings Press the TIMER
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SLEEP TIMER OPERATION Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). 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 RESET”. SLEEP button (Fig. 5 D). The air conditioner will return to normal Both the indoor unit’s OPERATION indicato
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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 button. Hori- zontal (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
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SWING OPERATION Begin air conditioner operation before performing this procedure. To select SWING Operation Press the SWING LOUVER button (Fig. 5 L). The SWING indicator lamp (orange) (Fig. 3 7) will light. In this mode, the Air Flow Direction Louvers will swing automatically to direct the airflow both up and down. To Stop SWING Operation Press the SWING LOUVER button (Fig. 5 L) once again. The SWING indicator lamp (orange) (Fig. 3 7) will go out. Airflow direction will return to the setting bef
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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. 1 8) is installed securely. ● When removing and replacing the air filters, be sure not to touch the heat exchanger, as personal injury may result. Cleaning the Intake Grille Cleaning the Air Filter 1. Remove the intake grille. 1. Open the intake grille, and remove the air 1 Place your fingers at both lower ends of the grille filter. pa
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Air Cleaning Filter Installation 1. Open the intake grille and remove the air 3. Install the two air filters and close the filters. intake grille. Mounting shaft Intake Grille 2 Bearing 1 2 2 Intake Grille Knob 1 1 Intake Grille Intake Grille Mounting Mounting shaft shaft Knob Knob Intake Grille 1 1 2 2 ● When air cleaning filters are used, the effect will increased 2. Install the air cleaning filter set (set of 2). by setting the fan speed to “High”. 1 Set the air cleaning filter into the air c
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CLEANING AND CARE Replacing dirty Air cleaning filters Please purchase the separately sold replacement air clean- In regard to the Air cleaning filters ing filters and install them. (The air cleaning filter type differs depending on the model.) 1. Open the intake grille and remove the air filters. [AIR-PURIFYING FILTER (green filter)] ● Depending on the size of the room and the conditions in which the air conditioner is used, the normal life of the Intake Grille air-purifying filter is about thr
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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, disconnect the WARNING! Power Supply Plug or turn off the circuit breaker, and consult authorized service personnel. Merely turning off the unit’s power switch will not completely disconnect the unit from the power source. Always be sure to turn off your circuit breaker to ensure that power is completely
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TROUBLESHOOTING Symptom Items to check See page CHECK ONCE Doesn’t operate at all: ● Has the circuit breaker been turn off? MORE — ● Has there been a power failure? ● Has a fuse blown out, or a circuit breaker been tripped? ● Is the timer operating? 9 Poor Cooling (or *Heating) ● Is the air filter dirty? performance: ● Are the air conditioner’s intake grille or outlet port blocked? ● Did you adjust the room temperature settings (thermostat) cor- rectly? ● Is there a window or door open? — ● In t
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OPERATING TIPS Multi-type Air conditioner This indoor unit can be connected to a multi-type outdoor unit. The multi-type air conditioner allows multiple indoor units to be operated in multiple locations. The indoor units may be operated simultaneously, in accordance with their respective output. Simultaneous Use of Multiple Units ❖ Instructions relating to inverter ( ) are applicable only to “INVERTER MODEL”. ❖ ● When using a multi-type air conditioner, the multiple ● Operation can be done in th
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OPERATING TIPS Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). Temperature and Humidity Range Permissible ranges of temperature and humidity are as follows: Indoor Outdoor Temperature Temperature Humidity About 80 % or less COOLING OPERATION About 0 to 46 °C About 18 to 32 °C If the unit is used for long peri- ods under high-humidity condi- tions, condensation may form on the surface of the indoor unit, and drip onto the floor or *HEATING OPERATIO
