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OPERATING MANUAL
OPERATING MANUAL
AIR CONDITIONER
CASSETTE TYPE
Indoor Unit
AUU18RC
AUU24RC
AUU36RC
AUU42RC
Outdoor Unit
AOU18RC
AOU24RC
AOU36RC
AOU42RC
KEEP THIS OPERATION MANUAL
FOR FUTURE REFERENCE.
P/N9368987022
FUJITSU GENERAL LIMITED
English
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CONTENTS SAFETY PRECAUTIONS ....................................... 1 ADJUSTING THE DIRECTION OF NAME OF PARTS ................................................... 2 AIR CIRCULATION ............................................... 12 PREPARATION ....................................................... 3 SWING OPERATION ............................................ 12 OPERATION ........................................................... 3 CLEANING AND CARE ........................................ 13
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NAME OF PARTS Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). Fig. 1 Fig. 2 Electrical Breaker Fig. 3 13 2 This breaker is installed during the electrical installation. M Fig. 4 I J K NO P QR NON STOP AM CLOCK AUTO °F AMPM CLOCK NON STOP AUTO AUTO TIMER SET TIME TEMP./DAY FAN OFF H L OFFON COOL MODE CONTROL ON °F MASTER TIMER AMPM TIMER CONTROL DAY FAN ON WEEKLY DAY OFF HEAT OFF CLOCK ADJUST G 1 2 DEFROST TEST NEXT DAY ZONE ENERGY SAVE START/STOP
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PREPARATION Set the Current Time and Day Press the CLOCK ADJUST button for more than three AM CLOCK 1 seconds. DAY Press the TEMP./DAY button and set the day. TIMER SET TIME TEMP./DAY FAN MODE CONTROL 2 MASTER ▲: Use to advance the day forward. CONTROL ▼: Use to turn the day back. CLOCK ADJUST The day is indicated by a code number from 1 to 7, as shown in the table ZONE ENERGY SAVE START/STOP below. Set to the number that corresponds to the current day. SET DAY OFF 2 3 1 DAY CODE 1 2 3456 7 DAY
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OPERATION Instructions relating to heating(*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). To Set the Fan Speed Press the FAN CONTROL button to select the fan speed. AM CLOCK NON STOP AUTO °F s s s s AUTO HIGH MED LOW TIMER SET TIME TEMP./DAY FAN MODE CONTROL When set to AUTO: MASTER CONTROL * Heating : Fan operates so as to optimally circulate warmed air. CLOCK ADJUST However, the fan will operate at very low speed when the tem- ZONE ENERGY SAVE START/STOP perature of the air iss
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TIMER OPERATION (OFF TIMER/ON TIMER) Before using the timer function, be sure that the remote controller is set to the correct current time and Day. Press the START/STOP button; after the unit starts operation perform the following procedure: OFF Timer / ON Timer Press the TIMER MODE button and display either OFF AM CLOCK 1 OFF COOL °F Timer or ON Timer. TIMER AM TIMER OFF The timer will start operating. (If you set the ON timer, the air conditioner will stop operating). TIMER SET TIME TEMP./DAY
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TIMER OPERATION (WEEKLY TIMER) Use the weekly timer to set operating times for each day of the week. Weekly Timer Features ● Set different operating times for each day of the week. ● Set one or two operating spans (one or two ON times and one or two OFF times) per day. ● Set time to a resolution of 5 minutes. ● OFF time can be carried over to the subsequent day. ● Use the “DAY OFF” setting to cancel operation for any day of the coming week (one-time cancellation). Setting Up the Weekly Timer Ope
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TIMER OPERATION (WEEKLY TIMER) Press the SET TIME button to set the day’s first OFF AM 6 ON time. PM TIMER DAY WEEKLY OFF The earliest OFF time you can set is 5 minutes after the ON time. The 1 latest OFF time is 11:55 p.m. on the subsequent day. TIMER SET TIME TEMP./DAY FAN MODE CONTROL MASTER CONTROL Press the SET button. CLOCK ADJUST 7 This registers the first OFF time for the day, completing the “WEEKLY 1” 6 settings for that day. ZONE ENERGY SAVE START/STOP The display switches to “WEEKLY 2
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Starting Weekly Timer Operation Press the TIMER MODE button so that “WEEKLY” ap- AM CLOCK COOL 1 °F pears on the display. PM TIMER WEEKLY OFF 1 Press the START/STOP button to start operation. TIMER SET TIME TEMP./DAY FAN MODE CONTROL 2 (This step is not necessary if the air conditioner is already running.) MASTER CONTROL CLOCK ADJUST Weekly timer operation starts, and the operation lamp comes on. (If the current time is between the first or second ON and OFF time set- ZONE ENERGY SAVE START/STOP
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TIMER OPERATION (WEEKLY TIMER) To Change Selected Time Settings Press the START/STOP button to stop the air conditioner, and then proceed as fol- lows. Carry out steps 1 to 3 of the “Setting Up the Weekly PM 1 ON Timer Operation” procedure to select the day you want PM TIMER DAY WEEKLY OFF 2 to edit. TIMER SET TIME TEMP./DAY FAN MODE CONTROL MASTER Press the SET button to select the time that you want CONTROL 2 CLOCK ADJUST to change. The selected setting flashes on the display. Each press moves
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About the DAY OFF ● Use the DAY OFF setting to switch off timed operation for a selected day in the coming week. ● This is a temporary, one-time setting. The DAY OFF setting is automatically cleared as soon as the specified day passes. Using the DAY OFF Setting Press the START/STOP button to stop the air conditioner, and then proceed as fol- PM lows. COOL ON PM TIMER DAY WEEKLY DAY OFF OFF 1 Carry out steps 1 to 2 of the “Setting Up the Weekly 1 TIMER SET TIME TEMP./DAY FAN Timer Operation” proc
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ENERGY SAVE OPERATION Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). To Use the ENERGY SAVE Press the ENERGY SAVE button. AM CLOCK NON STOP AUTO °F The unit will run in the ENERGY SAVE mode. The ENERGY SAVE lamp (green) will light. TIMER SET TIME TEMP./DAY FAN MODE CONTROL MASTER CONTROL To Stop the ENERGY SAVE CLOCK ADJUST ZONE ENERGY SAVE START/STOP Press the ENERGY SAVE button one more time. SET DAY OFF The ENERGY SAVE mode will be turned off.
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ADJUSTING THE DIRECTION OF AIR CIRCULATION Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). Begin air conditioner operation before performing this procedure. Vertical Air Flow Direction Adjustment 1 2 DEFROST TEST Press the AIR FLOW DIRECTION SET button. TIMER SET TIME TEMP./DAY FAN MODE CONTROL MASTER Each time the button is pressed, the air flow direction range will change as fol- CONTROL lows: CLOCK ADJUST Fig. 6 ZONE ENERGY SAVE START/STOP SET
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CLEANING AND CARE ● Before cleaning the unit, be sure to stop the unit and disconnect the power supply. CAUTION! ● Turn off the electrical breaker. ● A fan operates at high speed inside the unit, and personal injury could result. Cleaning the Air Filter ● When reinstalling the filter, be sure that the hooks at A 1. Push the intake grille pushbuttons (two and B engage correctly into place. places). B 2. Open the intake grille. 4. Clean the air filters. Remove the dust from the air filters by vac
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ERRORS AND SELF DIAGNOSIS Error Code Error Code Error contents Communication error t (indoor unit remote controller) s Communication error t s (indoor unit outdoor unit) TIMER SET TIME TEMP./DAY FAN MODE CONTROL Room temperature sensor open MASTER CONTROL CLOCK ADJUST Room temperature sensor shortcircuited ZONE ENERGY SAVE START/STOP SET DAY OFF Indoor heat exchanger temperature sensor open Indoor heat exchanger temperature sensor shortcircuited If there is a problem with th
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OPERATION DETAILS Instructions relating to heating(*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). Please read and understand the following details regarding this air conditioner. Operation and Performance * Heating Performance * Microcomputer-controlled Automatic Defrosting ● This air conditioner uses a heat pump which absorbs heat When the outside temperature is low and the humidity high, from outside air and brings it indoors. As a result, its heat- frost will collect on the ou
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SYSTEM OPERATION Outdoor One remote controller can control up to 16 air conditioners. unit All the air conditioners can be operated with the same set- ting. Indoor unit Remote Unit No.1 Unit No.2 Unit No.16 controller To Use the ZONE CONTROL When the ZONE control button is pressed while multiple air conditioners AM CLOCK NON STOP AUTO are being centralized controlled, only the preset air conditioners stop. °F Press the ZONE control button.
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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, turn off the elec- WARNING! trical 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 the electrical breaker to ensure that power is completely off. Before requesting servic
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Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). Items to check Symptom See Page ● Has there been a power failure? CHECK ONCE Doesn’t operate at all: — MORE ● Has a fuse blown out, or a circuit breaker been tripped? ● Is the timer operating? 5 ● Is the air filter dirty? Poor Cooling (or *Heating) performance: ● Are the air conditioner’s intake grille or outlet port blocked? ● Did you adjust the room temperature settings (thermostat) cor- rectly? ●
