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FILTER LAMP RESET

Unlike other timer functions, the SLEEP timer is used to set the length of time until air conditioner operate is stopped.
If the indoor unit is connected to a wired remote controller, the wireless remote controller cannot be used to set the sleep
timer.

To Use the SLEEP Timer

While the air conditioner is operating or stopped, press the
SLEEP button.

The indoor unit’s OPERATION Indicator Lamp (green) lights and the TIMER Indica-
tor Lamp (orange) light.

To Change the Timer Settings

Press the SLEEP button once again and set the time using the
TIMER SET ( 

 / 

 ) buttons.

 button:

Press to advance the time.

 button:

Press to reverse the time.

About five seconds later, the entire display will reappear.

To Cancel the Timer:

Use the TIMER MODE button to select
“CANCEL”.
The air conditioner will return to normal
operation.

To Stop the Air Conditioner During
Timer Operation:

Press the START/STOP button.

About the SLEEP Timer

To prevent excessive warming or cooling during sleep, the SLEEP timer function automatically modifies the thermostat setting
in accordance with the set time setting. When the set time has elapsed, the air conditioner completely stops.

SLEEP TIMER OPERATION

Some indoor unit models are equipped with a filter lamp in the indoor unit display to indicate when it is time to clean the air
filters.

To Reset Filter Lamp

Press the FILTER RESET button.
The indoor unit’s FILTER LAMP (red) will go out.

Set time

1 hour

1 °C

2 °C

2 °C

3 °C

4 °C

30
minutes

1 °C

1 hour

1 hour
30 minutes

Set time

During Cooling/Dry operation:

When the SLEEP timer is set, the thermostat setting is auto-
matically raised 1 °C every 1 hour. When the thermostat has
been raised a total of 2 °C, the thermostat setting at that time
is maintained until the set time has elapsed, at which time the
air conditioner automatically turns off.

SLEEP timer setting

During Heating operation:

When the SLEEP timer is set, the thermostat setting is
automatically lowered 1 °C every thirty minutes. When the
thermostat has been lowered a total of 4 °C, the thermostat
setting at that time is maintained until the set time has elapsed,
at which time the air conditioner automatically turns off.

SLEEP timer setting

MANUAL AUTO OPERATION

Use the MANUAL AUTO operation in the event the remote control unit is lost or otherwise unavailable.

How To Use the Main Unit Controls

Press the MANUAL AUTO button on the main unit control
panel.

To stop operation, press the MANUAL AUTO button once again.

When the air conditioner is operated
with the controls on the Main unit, it
will operate under the same mode as
the AUTO mode selected on the re-
mote control unit.
However, about Multi-type Air condi-
tioner, the Heat pump model will fol-
low the operating mode of the other
indoor unit.

The fan speed selected will be “AUTO”
and the thermostat setting will be
24 °C.

9374379286_OM_en.p65

11/6/08, 18:56

8

Summary of Contents for ABT series

Page 1: ...OPERATING MANUAL P N9374379286 KEEP THIS MANUAL FOR FUTURE REFERENCE FUJITSU GENERAL LIMITED AIR CONDITIONER FLOOR CONSOLE UNDER CEILING DUAL TYPE ABT Series 9374379286_OM_cover p65 11 6 08 18 55 1 ...

Page 2: ...cts from the indoor unit Do not set flower vases or water containers on top of air conditioners Do not expose the air conditioner directly to water Do not operate the air conditioner with wet hands Do not pull power supply cord Turn off power source when not using the unit for extended periods Always turn off the electrical breaker whenever cleaning the air conditioner or chang ing the air filter ...

Page 3: ...eriod of operation When the set time is reached the unit automatically turns off WIRELESS REMOTE CONTROL UNIT The WIRELESS REMOTE CONTROL UNIT allows convenient control of air conditioner operation OMNI DIRECTIONAL AIR FLOW SWING OPERATION Three dimensional control over air direction swing is possi ble through dual use of both an UP DOWN air direction swing and RIGHT LEFT air direction swing Since...

Page 4: ...ction to operate incorrectly If this button is pressed during normal opera tion the unit will switch to test operation mode and the Indoor Unit s OPERATION In dicator Lamp and TIMER Indicator Lamp will begin to flash simultaneously To stop the test operation mode press the START STOP button to stop the air condi tioner F Signal Transmitter G Temperature SET Display H ECONOMY Display I Operating Mo...

Page 5: ...ection of the arrow while pressing the mark 2 Insert batteries Be sure to align the battery polarities correctly 3 Close the battery compartment lid Set the Current time 1 Press the CLOCK ADJUST button Use the tip of a ball point pen or other small object to press the button 2 Use the TIMER SET buttons to adjust the clock to the current time button Press to advance the time button Press to reverse...

Page 6: ...he button is pressed the fan speed changes in the following order AUTO HIGH MED LOW QUIET About three seconds later the entire display will reappear 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 ther...

Page 7: ...r will operate at very low fan speed for about 3 to 5 minutes after which it will switch to the selected fan setting This period of time is provided to allow the indoor unit to warm up before beginning full operation When the room temperature is very low frost may form on the outside unit and its performance may be reduced In order to remove such frost the unit will automatically enter the defrost...

Page 8: ...et the time while the time display is flashing the flashing will continue for about five seconds button Press to advance the time button Press to reverse the time About five seconds later the entire display will reappear To Use the Program timer 1 Press the START STOP button if the unit is already operating proceed to step 2 The indoor unit s OPERATION Indicator Lamp green will light 2 Set the des...

Page 9: ...t Filter Lamp Press the FILTER RESET button The indoor unit s FILTER LAMP red will go out Set time 1 hour 1 C 2 C 2 C 3 C 4 C 30 minutes 1 C 1 hour 1 hour 30 minutes Set time During Cooling Dry operation When the SLEEP timer is set the thermostat setting is auto matically raised 1 C every 1 hour When the thermostat has been raised a total of 2 C the thermostat setting at that time is maintained un...

Page 10: ...e up down left and right AIR directions with the AIR DIRECTION buttons on the Remote Control Unit Use the AIR DIRECTION buttons after the Indoor Unit has started operating and the airflow direction louvers have stopped moving RIGHT LEFT air direction louvers Vertical Air Direction Adjustment Press the SET button Vertical Each time the button is pressed the air direction range will change as follow...

Page 11: ...ERATION Begin Air Conditioner operation before performing this procedure To Use the ECONOMY Operation Press the ECONOMY button ECO appears on the Remote Control Unit display Economy operation begins To Stop the ECONOMY Operation Press the ECONOMY button again ECO disappears from the Remote Control Unit display Normal operation begins About ECONOMY Operation At the maximum output ECONOMY Operation ...

Page 12: ... the center of the intake grille Dust can be cleaned from the air filter either with a vacuum cleaner or by washing the filter in a solution of mild de tergent and warm water If you wash the filter be sure to allow it to dry thoroughly in a shady place before rein stalling If dirt is allowed to accumulate on the air filter air flow will be reduced lowering operating efficiency and increas ing nois...

Page 13: ...et the signal code after replacing the batteries If you do not know the air conditioner signal code setting try each of the signal codes until you find the code which operates the air conditioner TROUBLESHOOTING Symptom Doesn t operate imme diately Noise is heard Problem If the unit is stopped and then immediately started again the com pressor will not operate for about 3 minutes in order to preve...

Page 14: ...e unit if multiple units are operated in differ ent operation modes as shown below the units operated after ward will stop and will be shown on the remote controller display of the stopped indoor units Heating mode and cooling mode or dry mode Heating mode and fan mode During QUIET operation the fan will operate at very low speed In the monitor AUTO operation the fan will operate at very low speed...

Page 15: ...g The indoor unit prevents cold drafts when heating opera tion begins The indoor unit fan will not operate or it will operate at a very low speed until the heat exchanger reaches the set temperature Instructions relating to heating are applicable only to HEAT COOL MODEL Reverse Cycle HEAT COOL MODEL Reverse Cycle Auto changeover function When AUTO CHANGEOVER is selected the air conditioner selects...

Page 16: ...flash and the heat operation will be interrupted After the start of heating operation it takes sometime before the room gets warmer Cooling Use to cool your room Dry Use for gently cooling while dehumidifying your room You cannot heat the room during Dry mode During Dry mode the unit will operate at low speed in order to adjust room humidity the indoor unit s fan may stop from time to time Also th...

Page 17: ...tarted oper ating in heating mode the OPERATION indicator lamp green for indoor unit A would begin to flash 1 se cond on 1 second off and it would go into standby mode Indoor unit B would continue to operate in heat ing mode Simultaneous Use of Multiple Units When using a multi type air conditioner the multiple indoor units can be operated simultaneously but when two or more indoor units of the sa...

Page 18: ...unction Do not use the air conditioner for any purpose other than room cooling dry room heating or fan Cooling Dry Operation Heating Operation Inverter Single Model Inverter Multi Model About 10 C to 46 C About 0 C to 46 C About 18 C to 32 C About 18 C to 32 C Below approximately 80 If the air conditioner is used continuously for many hours water may condense on the surface and drip About 15 C to ...

Page 19: ...9374379286_OM_en p65 11 6 08 18 57 18 ...

Page 20: ...9374379286_OM_en p65 11 6 08 18 57 19 ...

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