Instruction/ maintenance manual of the product AST12 Fujitsu
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KEEP THIS MANUAL FOR FUTURE REFERENCE FUJITSU GENERAL LIMITED P/N9373538035 Indoor Unit AST7 SERIES AST9 SERIES AST12 SERIES AIR CONDITIONER W ALL MOUNTED TYPE OPERA TING MANUAL.
1 CONTENTS SAFETY PRECAUTIONS .......................................... 1 FEA TURES AND FUNCTIONS ................................. 2 NAME OF P AR TS ...................................................... 3 PREP ARA TION .............................
2 FEA TURES AND FUNCTIONS Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). AUTOMATIC OPERATION * ● HEA T & COOL MODEL (REVERSE CYCLE) Mere.
3 D E F K M G H I L N J O T U V W X Q S R P NAME OF P AR TS Fig. 5 Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 7 T o 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 op- eration.
4 Fig. 5 Remote Control Unit D SLEEP button E MASTER CONTROL button F SET TEMP./SET TIME buttons ( ) G Signal T ransmitter H TIMER button I F AN CONTROL button J ST ART/STOP button K AIR FLOW DIRECTION button L SWING LOUVER button M TIME ADJUST button N ACL button Rear side (Fig.
5 T urn on the Power T urn on the circuit breaker . Load Batteries (R03/LR03 × × × × × 2) 1 Press and slide the battery compartment lid on the re- verse side to open it. Slide in the direction of the arrow while pressing the mark. 2 Insert batteries.
6 To Select Mode Operation 1 Press the ST ART/STOP button (Fig. 5 J ). The indoor unit’s OPERATION indicator lamp (red) (Fig. 3 5 ) will light. The air conditioner will start operating. 2 Press the MASTER CONTROL button (Fig. 5 E ) to se- lect the desired mode.
7 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 .
8 * During Heating mode: Set the thermostat to a temperature set- ting that is higher than the current room temperature. The Heating mode will not operate if the thermostat is set lower than the actual room temperature. During Cooling/Dry mode: Set the thermostat to a temperature set- ting that is lower than the current room temperature.
9 To Use the ON timer or OFF timer 1 Press the ST ART/STOP button (Fig. 5 J ) (if the unit is already operating, proceed to step 2). The indoor unit’s OPERATION indicator lamp (red) (Fig. 3 5 ) will light. 2 Press the TIMER button (Fig. 5 H ) to select the OFF timer or ON timer operation.
10 SLEEP TIMER OPERA TION 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.
11 ADJUSTING THE DIRECTION OF AIR CIRCULA TION 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.
12 ● The range of swing is relative to the currently set airflow direction. ● If the swing range is not as desired, use the Remote Con- trol Unit’ s AIR FL O W DIRECTION button to c hange the range of swing. SWING OPERA TION Begin air conditioner operation before performing this procedure.
13 ● Before cleaning the air conditioner, be sure to turn it off and disconnect the power supply cord. ● Be sure the intake grille (Fig. 1 8 ) is installed securely . ● When removing and replacing the air filters, be sure not to touc h the heat exchanger , as personal injury may result.
14 Air Cleaning Filter Installation 1. Open the intake grille and remove the air filters. 3. Install the two air filters and close the intake grille. 1 2 2 1 Intake Grille Intake Grille Mounting shaft Knob 2. Install the air cleaning filter set (set of 2).
15 Replacing dirty Air cleaning filters Please purc hase the separately sold replacement air clean- ing filters and install them. 1. Open the intake grille and remove the air filters. CLEANING AND CARE 1 2 2 1 Intake Grille Intake Grille Mounting shaft Knob 2.
16 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 Power Supply Plug or turn off the circuit breaker, and consult authorized service personnel.
17 In Event of Power Interruption TROUBLESHOOTING Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
18 OPERA TING 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.
19 ● Acoustic Noise Information: The maximum sound pressure level is less than 70 dB (A) for both indoor unit and outdoor unit. According to IEC 704-1 and ISO 3744. ● If the air conditioner is operated under higher temperature conditions than those listed, the built-in protection circuit may operate to prevent internal circuit damage.
An important point after buying a device Fujitsu AST12 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Fujitsu AST12 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Fujitsu AST12 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Fujitsu AST12 you will learn all the available features of the product, as well as information on its operation. The information that you get Fujitsu AST12 will certainly help you make a decision on the purchase.
If you already are a holder of Fujitsu AST12, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Fujitsu AST12.
However, one of the most important roles played by the user manual is to help in solving problems with Fujitsu AST12. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Fujitsu AST12 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
