Page 2 - CONTENTS; READ BEFORE OPERATION
1 E ngl ish CONTENTS READ BEFORE OPERATION Safety Precautions ......................................... 2 Names of Parts .............................................. 4 Preparation before Operation......................... 7 OPERATION AUTO · DRY · COOL · HEAT · FAN Operation ..........................
Page 3 - Safety Precautions; CAUTION; WARNING
2 READ BEFORE OPERATION Safety Precautions • Keep this manual where the operator can easily find it.• Read the precautions in this manual carefully before operating the unit. • The precautions described herein are classified as WARNING and CAUTION. They both contain important information regarding s...
Page 4 - Consider nuisance to your neighbours from noises.
3 E ngl ish • Do not block air inlets nor outlets. Impaired airflow may result in insufficient performance or trouble.• Do not sit or place objects on the outdoor unit. Falling yourself or falling objects could cause injury.• Do not place objects that are susceptible to moisture directly beneath the...
Page 5 - Names of Parts; Indoor Unit
4 Names of Parts ■ Indoor Unit 17 15 14 16 13 1 3 4 5 7 9 11 10 8 12 6 2 01_EN_3P266959-2A.fm Page 4 Wednesday, August 25, 2010 9:37 AM
Page 6 - Outdoor Unit
5 E ngl ish ■ Outdoor Unit ■ Indoor Unit 1. Air filter 2. Titanium apatite photocatalytic air-purifying filter: • These filters are attached to the inside of the air filters. 3. Air inlet 4. Front panel 5. Panel tab 6. Room temperature sensor: • It senses the air temperature around the unit. 7. INTE...
Page 7 - Remote Controller
6 Names of Parts ■ Remote Controller 1. Signal transmitter: • It sends signals to the indoor unit. 2. Display (LCD): • It displays the current settings. (In this illustration, each section is shown with its displays on for the purpose of explanation.) 3. FAN setting button: • It selects the airflow ...
Page 8 - Preparation before Operation; To set the batteries; Choose a place from where the signals reach the unit.; NOTE
7 E ngl ish Preparation before Operation ■ To set the batteries 1. Slide the front cover to take it off. 2. Set 2 dry batteries AAA.LR03 (alkaline). 3. Set the front cover as before. ■ To operate the remote controller • To use the remote controller, aim the transmitter at the indoor unit. If there i...
Page 9 - To set the clock; to set the current day of the; Turn the breaker on
8 Preparation before Operation ■ To set the clock 1. Press . • “ ” is displayed. • “ ” and “ ” blink. 2. Press to set the current day of the week. 3. Press . • “ ” blinks. 4. Press to set the clock to the present time. • Holding down or rapidly increases or decreases the time display. 5. Press . • P...
Page 10 - Checks on remote controller settings
9 E ngl ish ■ Checks on remote controller settings • This remote controller is common to the heat pump model and cooling only model. Use the DIP switch on the remote controller to set the heat pump model or cooling only model. • Refer to the following explanation and make the setting as shown in the...
Page 11 - AUTO · DRY · COOL · HEAT · FAN Operation; To start operation; and select a operation; To stop operation; or
10 OPERATION 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. ■ To start operation 1. Press and select a operation mode. • Each pressing of the button ad...
Page 12 - To change the airflow rate setting
11 E ngl ish ■ To change the airflow rate setting 5. Press . • Indoor unit quiet operation When the airflow is set to “ ”, the noise from the indoor unit will become quieter. Use this when making the noise quieter. NOTE AUTO or COOL or HEAT or FAN operation DRY operation 5 levels of airflow rate set...
Page 13 - Adjusting the Airflow Direction; To start auto swing; Press
12 Adjusting the Airflow Direction You can adjust the airflow direction to increase your comfort. ■ To start auto swing Press . • “ ” is displayed on the LCD. • The flaps (horizontal blades) will begin to swing. Press . • “ ” is displayed on the LCD. • The louvers (vertical blades) will begin to swi...
Page 14 - To set the flaps or louvers at desired position
13 E ngl ish ■ To set the flaps or louvers at desired position • This function is effective while flaps or louvers are in auto swing mode. Press and when the flaps or louvers have reached the desired position. • In the 3-D airflow, the flaps and louvers move in turn. • “ ” or “ ” disappears from the...
Page 16 - To cancel operation
15 E ngl ish ■ To start operation Press and select the desired mode. • Each time the is pressed a different setting option is displayed on the LCD. • By selecting “ ” from the following icons, the air conditioner will be in COMFORT AIRFLOW operation combined with INTELLIGENT EYE operation. • When th...
Page 19 - POWERFUL Operation; To start POWERFUL operation; To cancel POWERFUL operation
18 POWERFUL Operation POWERFUL operation quickly maximizes the cooling (heating) effect in any operation mode. You can get the maximum capacity. ■ To start POWERFUL operation 1. Press . • POWERFUL operation ends in 20 minutes. Then the system automatically operates again with the previous settings w...
Page 20 - OUTDOOR UNIT QUIET Operation
19 E ngl ish OUTDOOR UNIT QUIET Operation OUTDOOR UNIT QUIET operation lowers the noise level of the outdoor unit by changing the frequency and fan speed on the outdoor unit. This function is convenient during night. ■ To start OUTDOOR UNIT QUIET operation 1. Press . • “ ” is displayed on the LCD. ■...
Page 21 - ECONO Operation; To start ECONO operation; To cancel ECONO operation
20 ECONO Operation ECONO operation is a function which enables efficient operation by limiting the maximum power consumption value. This function is useful for cases in which attention should be paid to ensure a circuit breaker will not trip when the product runs alongside other appliances. ■ To sta...
Page 22 - OFF TIMER Operation; To use OFF TIMER operation; until the time setting reaches
21 E ngl ish OFF 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. ■ To use OFF TIMER operation • Check that the clock is correct. If not, set the clock to the prese...
Page 23 - ON TIMER Operation; To use ON TIMER operation; To cancel ON TIMER operation
22 ON TIMER Operation ■ To use ON TIMER operation • Check that the clock is correct. If not, set the clock to the present time. (page 8.) 1. Press . • “ ” and setting time are displayed on the LCD. • “ ” is displayed on the LCD. • “ ” blinks. 2. Press until the time setting reaches the point you lik...
Page 24 - WEEKLY TIMER Operation; Using in these cases of WEEKLY TIMER; to
23 E ngl ish WEEKLY TIMER Operation Up to 4 timer settings can be saved for each day of the week. It is convenient if the WEEKLY TIMER is set according to the family’s life style. ■ Using in these cases of WEEKLY TIMER An example of WEEKLY TIMER settings is shown below. 6:00 8:30 17:30 22:00 25˚C 27...
Page 25 - To use WEEKLY TIMER operation; to select the desired day of the
24 WEEKLY TIMER Operation ■ To use WEEKLY TIMER operation • Make sure the day of the week and time are set. If not, set the day of the week and time. (page 8.) 1. Press . • The day of the week and the reservation number of the current day will be displayed. • 1 to 4 settings can be made per day. 2. ...
Page 26 - to select the desired time.
25 E ngl ish 6. Press to select the desired time. • The time can be set between 0:00 and 23:50 in 10 minute intervals. • To return to the ON/OFF TIMER mode setting, press . • Go to step 9 when setting the OFF TIMER. 7. Press . • The time will be set. • “ ” and the temperature blink. 8. Press to sele...
Page 28 - to confirm the day of the week; to select the destination day of
27 E ngl ish • A reservation made once can be copied another day of the week. The whole reservation of the selected day of the week will be copied. 1. Press . 2. Press to confirm the day of the week to be copied. 3. Press to activate copy mode. • The whole reservation of the selected day of the week...
Page 29 - to complete the setting.
28 WEEKLY TIMER Operation 5. Press . • The reservation will be copied to the selected day of the week. The whole reservation of the selected day of the week will be copied. • To continue copying the settings to other days of the week, repeat step 4 and step 5 . 6. Press to complete the setting. • “ ...
Page 30 - Confirming a reservation; to select the day of the week and; To deactivate WEEKLY TIMER operation; while “
29 E ngl ish ■ Confirming a reservation • The reservation can be confirmed. 1. Press . • The day of the week and the reservation number of current day will be displayed. 2. Press to select the day of the week and the reservation number to be confirmed. • Pressing the displays the reservation details...
Page 31 - To delete reservations; Select the day of the week to be canceled
30 WEEKLY TIMER Operation ■ To delete reservations • Refer to setting mode. (page 24.) When selecting desired mode at step 4 in setting mode, select “blank”. The reservation will be deleted. • This function can be used for deleting reservations for each day of the week. • It can be used while confir...
Page 32 - Note for Multi System; Selecting the operation mode; With the priority room setting present; With the priority room setting active.
31 E ngl ish Note for Multi System This system has one outdoor unit connected to multiple indoor units. ■ Selecting the operation mode 1. With the priority room setting present but inactive or not present. When more than 1 indoor unit is operating, priority is given to the first unit that was turned...
Page 33 - OUTDOOR UNIT QUIET operation; Priority room setting; Priority when POWERFUL operation is used.
32 Note for Multi System ■ OUTDOOR UNIT QUIET operation (page 19.) 1. With the priority room setting present but inactive or not present. When using the OUTDOOR UNIT QUIET operation feature with the Multi system, set all indoor units to OUTDOOR UNIT QUIET operation using their remote controllers.Whe...
Page 34 - Care and Cleaning; Indoor unit, outdoor unit and remote controller
33 E ngl ish CARE Care and Cleaning ■ Indoor unit, outdoor unit and remote controller 1. Wipe them with dry soft cloth. ■ Front panel 1. Open the front panel. • Hold the front panel by the panel tabs on the both sides and open it. 2. Remove the front panel. • Slide the front panel to either the left...
Page 35 - Take off the titanium apatite; Filters
34 Care and Cleaning 1. Pull out the air filters. • Open the front panel.• Push a little upwards the tab at the center of each air filter, then pull it down. 2. Take off the titanium apatite photocatalytic air-purifying filter. • Hold the recessed parts of the frame and unhook the 4 claws. 3. Clean ...
Page 36 - -2 Titanium apatite photocatalytic air-purifying filter; Set the air filter and titanium apatite
35 E ngl ish 3-2 Titanium apatite photocatalytic air-purifying filter The titanium apatite photocatalytic air-purifying filter can be renewed by washing it with water once every 6 months. We recommend replacing it once every 3 years. [Maintenance] 3-2-1 Vacuum dusts, and soak in warm water or water ...
Page 37 - Check; Before a long idle period; Operate the FAN only for several hours on a fine day to dry out the; We recommend periodical maintenance.
36 Care and Cleaning Check ■ Before a long idle period 1. Operate the FAN only for several hours on a fine day to dry out the inside. • Press and select FAN operation. • Press and start the operation. 2. After operation stops, turn off the breaker for the room air conditioner. 3. Clean the air filte...
Page 38 - Troubleshooting; Not trouble; Operation does not start soon.
37 E ngl ish TROUBLESHOOTING Troubleshooting • Troubleshooting measures are classified into the following two types on a remedial basis. Take an appropriate measure according to the symptom. Not trouble • These cases are not troubles. You may just continue using it. Check • Please check again before...
Page 40 - Mist comes out of the indoor unit.
39 E ngl ish Operation stopped suddenly. (OPERATION lamp is on.) • For system protection, the air conditioner may stop operating on a sudden large voltage fluctuation. It automatically resumes operation in about 3 minutes. Mist comes out of the indoor unit. • This happens when the air in the room is...
Page 41 - The indoor unit gives out odour.
40 Troubleshooting The ON/OFF TIMER does not operate according to the settings. • Check if the ON/OFF TIMER and the WEEKLY TIMER are set to the same time. Change or deactivate the settings in the WEEKLY TIMER. (page 23.) The indoor unit gives out odour. • This happens when smells of the room, furnit...
Page 42 - Disposal requirements
41 E ngl ish WARNING ■ When an abnormality (such as a burning smell) occurs, stop operation and turn the breaker off.Continued operation in an abnormal condition may result in troubles, electric shocks or fire.Consult the service shop where you bought the air conditioner. ■ Do not attempt to repair ...
Page 43 - Fault diagnosis by remote controller
42 Troubleshooting Fault diagnosis by remote controller In the ARC452A series, the temperature display sections on the main unit indicate corresponding codes. 1. When is held down for 5 seconds, a “ ” indication flashes on the temperature display section. 2. Press repeatedly until a continuous beep ...
Page 45 - MEMO
44 MEMO 01_EN_3P266959-2A.fm Page 44 Wednesday, August 25, 2010 9:37 AM
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