Safety precautions • Keep this manual where the operator can easily find it. • Read this manual carefully before starting the unit. • For safety reason, the operator must read the following cautions carefully. • This manual classifies precautions into WARNINGS and CAUTIONS. Be sure to follow all precautions below: they are all important for ensuring safety.
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• Arrange the drain hose to ensure smooth drainage. Improper drainage may cause water damage to the building, or it’s furnishing. • Depending on the usage environment, water may leak from the air conditioner. If this happens, contact your Trane Dealer.
I Outdoor Unit I I I I Indoor Unit 1. Air filter 2. Air-purifying filter with photo catalytic deodorizing function: • These filters are attached to the inside of the air filters. 3. Air inlet 4. Front panel 5. Panel tab 6.
I Remote Controller 1. Signal transmitter: • It sends signals to the indoor unit. 2. Display: • It displays the current settings. (In this illustration, each section is shown with all its displays ON for the purpose of explanation.) 3. HOME LEAVE button: for HOME LEAVE operation (page 16.) 4.
Preparation Before Operation I To set the batteries 1. Press with a finger and slide the front cover to take it off. 2. Set two dry batteries (AAA). 3. Set the front cover as before. ATTENTION I I I I About batteries •...
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Preparation Before Operation I To operate the remote controller • To use the remote controller, aim the transmitter at the indoor unit. If there is anything to block signals between the unit and the remote controller, such as a curtain, the unit will not operate. •...
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I To set the clock 1. Press “CLOCK button”. is displayed. blinks. 2. Press “TIMER setting button” to set the clock to the present time. Holding down “ ” or “ rapidly increases or decreases the time display. 3. Press “CLOCK button”. blinks.
AUTO · DRY · COOL · HEAT · FAN Operation The air conditioner operates with the operation mode of your choice. From the next time on, the air conditioner will operate with the same operation mode. I To start operation 1.
I To change the airflow rate setting 5. Press “FAN setting button”. DRY mode The airflow rate setting is not variable. • Indoor unit quiet operation When the airflow is set to “ Use this when making the indoor unit quieter. The unit might lose capacity when the airflow rate is set to a low level.
Adjusting the Airflow Direction You can adjust the airflow direction to increase your comfort. I To adjust the horizontal blade (flap) 1. Press “SWING button • “ ” is displayed on the LCD. 2. When the flap has reached the desired position, press “SWING button •...
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I To 3-D Airflow 1. 3. Press the “SWING button the “ ” and “ ” display will light up and the flap and louvers will move in turn. I To cancel 3-D Airflow 2. 4. Press either the “SWING button Notes on louvers angles I I I I ATTENTION •...
POWERFUL Operation POWERFUL operation quickly maximizes the cooling (heating) effect in any operation mode. You can get the maximum capacity . I To start POWERFUL operation 1. Press “POWERFUL button”. • POWERFUL operation ends in 20 minutes. Then the system automatically operates again with the settings which were used before POWERFUL operation.
OUTDOOR UNIT SILENT Operation OUTDOOR UNIT SILENT operation lowers the noise level of the outdoor unit by changing the fan speed on the outdoor unit. This function is convenient during night. I To start OUTDOOR UNIT SILENT operation 1. Press “SILENT button”. I To cancel OUTDOOR UNIT SILENT operation 2.
HOME LEAVE Operation HOME LEAVE operation is a function which allows you to record your preferred temperature and airflow rate settings. I To start HOME LEAVE operation 1. Press “HOME LEAVE button” . • The HOME LEAVE lamp lights up. I To cancel HOME LEAVE operation 2.
I What’s the HOME LEAVE operation Is there a set temperature and airflow rate which is most comfortable, a set temperature and airflow rate which you use the most? HOME LEAVE operation is a function that allows you to record your favorite set temperature and airflow rate.
INTELLIGENT EYE Operation “INTELLIGENT EYE” is the infrared sensor which detects the human movement. I To start INTELLIGENT EYE operation 1. Press “SENSOR button”. I To cancel the INTELLIGENT EYE operation 2. Press “SENSOR button” again. [EX.] When somebody is in theroom •...
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“INTELLIGENT EYE” is useful for Energy Saving I I I I Energy saving operation • Change the temperature –3.6°F in heating / +3.6°F in cooling / +1.8°F in dry mode from set temperature. • Decrease the airflow rate slightly in fan operation. (In FAN mode only) Notes on “INTELLIGENT EYE”...
TIMER Operation Timer functions are useful for automatically switching the air conditioner on or off at night or in the morning. You can also use OFF TIMER and ON TIMER in combination. I To use OFF TIMER operation • Check that the clock is correct. If not, set the clock to the present time.
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I To use ON TIMER operation • Check that the clock is correct. If not, set the clock to the present time. (page 9.) 1. Press “ON TIMER button”. is displayed. blinks. 2. Press “TIMER Setting button” until the time setting reaches the point you like.
Care and Cleaning Before cleaning, be sure to stop the operation and CAUTION turn the breaker OFF. Units To avoid possible bodily injury, units should be shutoff or disconnected before any cleaning or servicing is attempted. I Indoor unit, Outdoor unit and Remote controller 1.
Filters 1. Open the front panel. (page 22) 2. Pull out the air filters. • Push a little upwards the tab at the center of each air filter, then pull it down. 3. Take off the air-purifying filter with photo catalytic deodorizing function.
Check Check that the base, stand and other fittings of the outdoor unit are not decayed or corroded. Check the units to ensure they are level and secure. Check that nothing blocks the air inlets and the outlets of the indoor unit and the outdoor unit. Check that the water drains smoothly out of the drain hose during COOL or DRY operation.
Trouble Shooting Conditions that appear to be abnormal but are not operational problems. The following cases are not abnormal problems and you may just continue using it. Case Operation does not start quickly. • When ON/OFF button was pressed soon after operation was stopped. •...
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Check again. Please check again before calling a repair person. Case The air conditioner does not operate. (OPERATION lamp is off) Cooling (Heating) effect is poor. Operation stops suddenly. (OPERATION lamp flashes.) An abnormal functioning happens during operation. Check • Has a breaker been turned OFF or a fuse blown? •...
Call your authorized dealer immediately. I When an abnormality (such as a burning smell) occurs, stop operation and turn the circuit breaker OFF. Continued operation in an abnormal condition may result in troubles, electric shocks or fire. Consult your authorized dealer where you bought the air conditioner. I Do not attempt to repair or modify the air conditioner by yourself.
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Fault diagnosis FAULT DIAGNOSIS BY REMOTE CONTROLLER In the ARC433A series, the temperature display sections on the main unit indicate corresponding codes. 1. When the TIMER CANCEL button is held down for 5 seconds, a “ temperature display section. 2. Press the TIMER CANCEL button repeatedly until a continuous beep is produced. •...