Daikin FTXS20K2V1B Operation Manual

Daikin FTXS20K2V1B Operation Manual

Daikin room air conditioner
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MODELS
FTXS20K2V1B
FTXS25K2V1B
CTXS15K2V1B
CTXS35K2V1B
DAIKIN ROOM AIR CONDITIONER

OPERATION MANUAL

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Summary of Contents for Daikin FTXS20K2V1B

  • Page 1: Operation Manual

    DAIKIN ROOM AIR CONDITIONER OPERATION MANUAL MODELS FTXS20K2V1B FTXS25K2V1B CTXS15K2V1B CTXS35K2V1B...
  • Page 2: Intelligent Eye

    Feature For your comfort and energy saving INTELLIGENT EYE The INTELLIGENT EYE sensor detects the human movement in a room. If no one is in the room for more than 20 minutes, the operation automatically changes to energy saving operation. Page 16 WEEKLY TIMER Up to 4 timer settings can be saved for each day of the week according to your family’s life style. The WEEKLY TIMER allows you to set on/off time and the desired temperature. Page 23 Other functions COMFORT AIRFLOW OUTDOOR UNIT QUIET The airfl ow direction will be in upward OUTDOOR UNIT QUIET operation while in COOL operation, in downward lowers the noise level of the outdoor while in HEAT operation. This function unit. This function is useful when you will prevent cold or warm air from need to consider the noise for your directly blowing on your body. neighbourhood. Page 19 Page 15...
  • Page 3: Table Of Contents

    Contents ■ Read before Operation Safety Precautions .......... Name of Parts ..........Preparation before Operation ......■ Operation AUTO · DRY · COOL · HEAT · FAN Operation ........... Adjusting the Airflow Direction and Rate ..........COMFORT AIRFLOW Operation ..INTELLIGENT EYE Operation ... POWERFUL Operation ...... OUTDOOR UNIT QUIET Operation ........... ECONO Operation ......OFF TIMER Operation ....... ON TIMER Operation ......WEEKLY TIMER Operation .
  • Page 4: Safety Precautions

    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 safety. Be sure to observe all precautions without fail. WARNING CAUTION Failure to observe these instructions properly may result in Failure to follow these instructions properly may result in property damage or personal injury, which may be serious personal injury or loss of life. depending on the circumstances. Never attempt. Never wet the air conditioner nor the remote controller with water. Be sure to follow the instructions. Never touch the air conditioner nor the remote controller with wet hands. Be sure to establish an earth connection. • After reading, keep this manual in a convenient place so that you can refer to it whenever necessary. If the equipment is transferred to a new user, be sure also to hand over the manual. WARNING • In order to avoid fire, explosion or injury, do not operate the unit when harmful, among which flammable or corrosive gases, are detected near the unit. • Be aware that prolonged, direct exposure to cool or warm air from the air conditioner, or to air that is too cool or too warm can be harmful to your physical condition and health. • Do not place objects, including rods, your fingers, etc., in the air inlet or outlet. Product malfunctioning, product or injury damage may result due to contact with the air conditioner’s high-speed fan blades. • Do not attempt to repair, dismantle, reinstall or modify the air conditioner yourself as this may result in water leakage, electric shocks or fire hazards. • Do not use flammable spray near the air conditioner, or otherwise fire may result. • Beware of fire in case of refrigerant leakage. If the air conditioner is not operating correctly, i.e. not generating cool or warm air, refrigerant leakage could be the cause. Consult your dealer for assistance. The refrigerant within the air conditioner is safe and normally does not leak.
  • Page 5 CAUTION • Do not place objects that are susceptible to moisture directly beneath the indoor or outdoor units. Under certain conditions, condensation on the main unit or refrigerant pipes, air filter dirt or drain blockage may cause dripping, resulting in fouling or failure of the object concerned. • After prolonged use, check the unit stand and its mounts for damage. If they are left in a damaged condition, the unit may fall and cause injury. • To avoid injury, do not touch the air inlet or aluminium fins of the indoor or outdoor units. • The appliance is not intended for use by unattended young children or infirm persons. Impairment of bodily functions and harm to health may result. • Children should be supervised to ensure that they do not play with the unit or its remote controller. Accidental operation by a child may result in impairment of bodily functions and harm health. • Do not give impact to the indoor and outdoor units, or otherwise product damage may result. • Do not place flammable items, such as spray cans, within 1m of the air outlet. The spray cans may explode as a result of hot air from the indoor or outdoor units. • Be careful not to let pets urinate on the air conditioner. Urination on the air conditioner may result in electric shocks or fire. • To avoid oxygen depletion, ensure that the room is adequately ventilated if equipment such as a burner is used together with the air conditioner. • Before cleaning, be sure to stop unit operation, turn the breaker off or remove the power cord. Otherwise, an electric shock and injury may result. • Only connect the air conditioner to the specified power supply circuit. Power supplies other than the one specified may result in electric shocks, overheating and fires. • Arrange the drain hose to ensure smooth drainage. Imperfect drainage may cause wetting of the building, furniture etc. • Do not place objects in direct proximity of the outdoor unit and do not let leaves and other debris accumulate around the unit. Leaves are a hotbed for small animals which can enter the unit. Once in the unit, such animals can cause malfunctions, smoke or fire when making contact with electrical parts. • Do not place objects around the indoor unit. Doing so may have an adverse influence on the performance, product quality, and life of the air conditioner.
  • Page 6: Name Of Parts

    Name of Parts Indoor Unit Air inlet INTELLIGENT EYE sensor • It detects the movements of people and automatically switches between normal operation and energy saving operation. Page 16 Front panel Air outlet Room temperature sensor Model name Louvers (vertical blades) • It detects the air temperature plate around the unit. • The louvers are inside of the air outlet. Page 13 Flap (horizontal blade) Page 13 Display OPERATION lamp (green)
  • Page 7 ■ Open the front panel Air fi lter Titanium apatite photocatalytic air-purifying fi lter Outdoor Unit • Appearance of the outdoor unit may differ from some models. Air inlet Outdoor temperature sensor (back) (back and side) Drain hose Earth terminal • It is inside of this cover. Air outlet Model name plate Refrigerant piping and inter-unit wiring...
  • Page 8: Front Cover

    Name of Parts Remote Controller Signal transmitter Receiver Display (LCD) • It displays the current settings. • To use the remote controller, aim the (In this illustration, each section is transmitter at the indoor unit. If there shown with its displays on for the is anything to block signals between purpose of explanation.) the unit and the remote controller, such as a curtain, the unit will not operate. • Do not drop the remote controller. Do not get it wet. • The maximum distance for TEMPERATURE communication is approx. 7m. adjustment buttons • It changes the temperature setting. Page 12 FAN setting button • It selects the airfl ow rate setting. Page 14 ON/OFF button • Press this button once to start...
  • Page 9: Quiet Button

    ■ Open the front cover MODE selector button • It selects the operation mode. (AUTO/DRY/COOL/HEAT/ FAN) Page 11 ECONO button • ECONO operation. Page 20 SWING button • Adjusting the airfl ow direction. Page 13 QUIET button • OUTDOOR UNIT QUIET operation. Page 19 INTELLIGENT EYE button • INTELLIGENT EYE COMFORT button operation. Page 16 • COMFORT AIRFLOW operation.
  • Page 10: Preparation Before Operation

    Preparation before Operation ■ To set the batteries Position Slide the front cover to take it off. – correctly! Set two dry batteries AAA.LR03 (alkaline). Set the front cover as before. ■ To fix the remote controller holder on the wall Remote controller Choose a place from where the signals reach the unit.
  • Page 11 ■ Turn the breaker on • After the power is turned on, the fl ap of the indoor unit opens and closes once to set the reference position. ■ To set the clock Press • “   ” is displayed on the LCD. • “   ” and “   ” blink. Press to set the current day of the week. Press • “   ” blinks. Press to set the clock to the present time. • Holding down or rapidly increases or decreases the time display.
  • Page 12: Auto · Dry · Cool · Heat · Fan 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 Press and select an operation mode. • Each pressing of the button advances the mode setting in sequence. AUTO COOL HEAT Press • “ ” is displayed on the LCD. • The OPERATION lamp lights green. Display ■ To stop operation Press again. • “ ” disappears from the LCD. • The OPERATION lamp goes off. NOTE MODE Notes on each operation mode...
  • Page 13: Operating Conditions

    ■ To change the temperature setting Press • The displayed items on the LCD will change whenever either one of the buttons is pressed. COOL operation HEAT operation AUTO operation DRY or FAN operation 18-32°C 10-30°C 18-30°C The temperature setting is Press to raise the temperature and press to lower the not variable. temperature. ■ Operating conditions ■ Recommended temperature setting • For cooling: 26-28°C • For heating: 20-24°C ■ Tips for saving energy • Be careful not to cool (heat) the room too much. Keeping the temperature setting at a moderate level helps save energy.
  • Page 14: Adjusting The Airflow Direction And Rate

    Adjusting the Airfl ow Direction and Rate You can adjust the airfl ow direction to increase your comfort. ■ To start auto swing Upper and lower airfl ow direction Press • “ ” is displayed on the LCD. • The fl ap (horizontal blade) will begin to swing. ■ To set the fl ap at desired position • This function is effective while fl ap is in auto swing mode. Press when the fl...
  • Page 15 ■ To adjust the airfl ow rate setting Press • Each pressing of advances the airfl ow rate setting in sequence. Auto Indoor unit quiet Middle low High Middle high Middle • When the airfl ow is set to “   ”, indoor unit quiet operation will start and the noise from the unit will become quieter. • In indoor unit quiet operation, the airfl ow rate is set to a weak level. • If the temperature does not reach the desired point in the indoor unit quiet operation, change the airfl ow rate setting. • In DRY mode, the airfl ow rate setting is not variable. NOTE ■ Notes on the angles of the fl...
  • Page 16: Comfort Airflow Operation

    COMFORT AIRFLOW Operation The fl ow of air will be in the upward direction while in COOL operation and in the downward direction while in HEAT operation, which will provide a comfortable wind that will not come in direct contact with people. ■ To start COMFORT AIRFLOW operation Press • “ ” is displayed on the LCD. • Airfl ow rate is set to Auto. COOL/DRY: The fl ap will go up. HEAT: The fl ap will go down. ■ To cancel COMFORT AIRFLOW operation Press again. • The fl aps will return to the memory position from before COMFORT AIRFLOW operation. • “ ” disappears from the LCD.
  • Page 17: Intelligent Eye Operation

    INTELLIGENT EYE Operation “INTELLIGENT EYE” is the infrared sensor which detects the human movement. If nobody in the room for more than 20 minutes, the operation automatically changes to energy saving operation. ■ To start INTELLIGENT EYE operation Press • “ ” is displayed on the LCD. • The INTELLIGENT EYE lamp lights green. Display ■ To cancel INTELLIGENT EYE operation Press again. • “ ” disappears from the LCD. • The INTELLIGENT EYE lamp goes off.
  • Page 18 INTELLIGENT EYE Operation [Example] When someone is in the When no one is in the room Someone is back in the room ■ room 20 minutes after, start energy ■ ■ Normal operation saving operation. Back to normal operation. • The air conditioner is in normal • The set temperature is shifted in • The air conditioner will return to operation while the sensor is ±2°C steps.
  • Page 19: Powerful Operation

    POWERFUL Operation POWERFUL operation quickly maximises the cooling (heating) effect in any operation modes. You can get the maximum capacity. ■ To start POWERFUL operation Press during operation. • POWERFUL operation ends in 20 minutes. Then the system automatically operates again with the previous settings which were used before POWERFUL operation. • “ ” is displayed on the LCD. ■ To cancel POWERFUL operation Press again. • “ ” disappears from the LCD. [Example] ■ ■ ■ Normal operation POWERFUL operation Back to normal operation • When you want to get the • POWERFUL operation will cooling effect quickly, start work for 20 minutes.
  • Page 20: Outdoor Unit Quiet

    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 the night. ■ To start OUTDOOR UNIT QUIET operation Press • “ ” is displayed on the LCD. ■ To cancel OUTDOOR UNIT QUIET operation Press again. • “ ” disappears from the LCD. [Example] Using the OUTDOOR UNIT QUIET operation during the night. • The noise level of the outdoor unit will be lower. This function is useful when you need to consider the noise for your neighbourhood. NOTE ■...
  • Page 21: Econo Operation

    ECONO Operation ECONO operation is a function which enables effi cient 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 start ECONO operation Press during operation. • “ ” is displayed on the LCD. ■ To cancel ECONO operation Press again. • “ ” disappears from the LCD. [Example] Normal operation ECONO operation • In case the air conditioner and other • The maximum power consumption of the air appliances which require high power conditioner is limited by using ECONO consumption are used at same time, a circuit operation. breaker may trip if the air conditioner operate The circuit breaker will hardly trip even if the with its maximum capacity.
  • Page 22: Off Timer Operation

    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 present time. Page 10 Press • “   ” is displayed on the LCD. • “   ” blinks. • “ ” and day of the week disappear from the LCD. Press until the time setting reaches the point you like. • Each pressing of either button increases or decreases the time setting by 10 minutes. Holding down either button changes the time setting rapidly. Press again. • “ ” and setting time are displayed on the LCD. • The TIMER lamp lights yellow.
  • Page 23: On Timer Operation

    ON TIMER Operation ■ To use ON TIMER operation • Check that the clock is correct. If not, set the clock to the present time. Page 10 Press • “   ” is displayed on the LCD. • “   ” blinks. • “ ” and day of the week disappear from the LCD. Press until the time setting reaches the point you like. • Each pressing of either button increases or decreases the time setting by 10 minutes. Holding down either button changes the setting rapidly. Press again. • “ ” and setting time are displayed on the LCD. • The TIMER lamp lights yellow. Page 5 Display ■...
  • Page 24: Weekly Timer Operation

    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 Example: T he same timer settings are made for the week from Monday through Friday while different timer settings are made for the weekend. Make timer settings up to programs 1-4. [Monday] Page 24 Program 1 Program 2 Program 3 Program 4 25°C 27°C 6:00 8:30 17:30 22:00 [Tuesday] Use the copy mode to make settings for Tuesday to Friday, because these settings are the same as those for Monday. Page 26 [Friday] Program 1 Program 2 Program 3 Program 4...
  • Page 25 ■ To use WEEKLY TIMER operation Setting mode • Make sure the day of the week and time are set. If not, set the day of the week and time. Page 10 Program 1 Program 2 Program 3 Program 4 [Monday] 25°C 27°C 6:00 8:30 17:30 22:00 Setting Displays Day and number ON/OFF Time Temperature 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. Press to select the desired day of the week and reservation number.
  • Page 26 WEEKLY TIMER Operation 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  when setting the OFF TIMER. Press • The time will be set. • “ ” and the temperature blink. Press to select the desired temperature. • The temperature can be set between 10°C and 32°C. COOL or AUTO: The unit operates at 18°C even if it is set at 10 to 17°C. HEAT or AUTO: The unit operates at 30°C even if it is set at 31 to 32°C. • To return to the time setting, press • The set temperature is only displayed when the mode setting is on. Press • Be sure to direct the remote controller toward the indoor unit and check for a receiving tone and fl ashing the OPERATION lamp. • The temperature is set while in ON TIMER operation, and the time is set while in OFF TIMER operation. • The next reservation screen will appear. • To continue further settings, repeat the procedure from step  • The TIMER lamp lights yellow. Page 5 Display Press to complete the setting.
  • Page 27: Copy Mode

    Copy mode • A reservation made once can be copied to another day of the week. The whole reservation of the selected day of the week will be copied. Program 1 Program 2 Program 3 Program 4 [Monday] 25°C 27°C 6:00 8:30 17:30 22:00 COPY COPY Program 1 Program 2 Program 3 Program 4 [Tuesday] 25°C 27°C [Friday] 6:00 8:30 17:30 22:00 Setting Displays Confi rmation Copy Paste Normal...
  • Page 28 WEEKLY TIMER Operation ■ Confi rming a reservation • The reservation can be confi rmed. Setting Displays Normal Confi rmation Press • The day of the week and the reservation number of the current day will be displayed. Press to select the day of the week and the reservation number to be confi rmed. • Pressing displays the reservation details. • To change the confi rmed reserved settings, select the reservation number and press The mode is switched to setting mode. Go to setting mode step Page 24 Press...
  • Page 29 ■ To delete reservations The individual reservation Press • The day of the week and the reservation number will be displayed. Press to select the day of the week and the reservation number to be deleted. Press • “ ” and “ ” or “ ” blink. Press and select “ blank ”. • Pressing changes ON/OFF TIMER mode. Pressing alternates the following items appearing on the LCD in rotational sequence. • The reservation will be no setting with selecting “blank”. ON TIMER OFF TIMER blank...
  • Page 30: Note For Multi System

    Note for Multi System Multi system has one outdoor unit connected to multiple indoor units. ■ Selecting the operation mode With the priority room setting present but A room B room inactive or not present. When more than one indoor unit is operating, priority is given to the first unit that was turned on. In this case, set the units that are turned on later to the same C room D room operation mode as the first unit. Otherwise, they will enter the standby state, and the OPERATION lamp will flash: this does not indicate malfunction. Outdoor unit NOTE ■ Notes on operation mode for multi system • COOL, DRY and FAN operation may be used at the same time.
  • Page 31 ■ COOL/HEAT mode lock The COOL/HEAT mode lock requires initial programming during installation. Please consult your authorized dealer for assistance. The COOL/HEAT mode lock sets the unit forcibly to either COOL or HEAT operation. This function is convenient when you wish to set all indoor units connected to the multi system to the same operation mode. NOTE • The COOL/HEAT mode lock cannot be activated together with the priority room setting. ■ Priority room setting The priority room setting requires initial programming during installation. Please consult your authorized dealer for assistance. The room designated as the priority room takes priority in the following situations. Operation mode priority • As the operation mode of the priority room takes precedence, the user can select a different operation mode from other rooms. [Example] • Room A is the priority room in the examples. When COOL operation is selected in room A while operating the following modes in room B, C and D : Operation mode in room B, C and D Status of room B, C and D when the unit in room A is in COOL operation Current operation mode maintained COOL or DRY or FAN HEAT The unit enters standby mode. Operation resumes when the room A unit stops operating. If the unit is set to COOL operation, it continues. If the unit is set to HEAT operation, it enters AUTO standby mode. Operation resumes when the room A unit stops operating. Priority when POWERFUL operation is used [Example] • Room A is the priority room in the examples.
  • Page 32: Care And Cleaning

    Care and Cleaning ■ Quick reference How to open / close the front panel • Hold both ends of the front panel, and then pull to open it. • Press the front panel at both sides to close it. Cleaning parts Front panel Front panel • Wipe it with a soft cloth soaked in water. If bothered by dirt Refer to Page 32 Air fi lter • Vacuum dust or wash the fi lter. Once every 2 weeks Refer to Page 33 Indoor unit and...
  • Page 33: Removing The Front Panel

    ■ Removing the front panel Remove the front panel. Clean the front panel. • Slide the front panel to either the left or right and • Wipe it with a soft cloth soaked in water. pulling it toward you. • Only neutral detergent may be used. This will disconnect the rotation dowel on one side. • In case of washing the panel with water, wipe it • Disconnect the front panel shaft on the other with dry soft cloth, dry it up in the shade after side in the same manner. washing. 1) Slide Attach the front panel. 2) Pull • Align the front panel shaft on the left and right of the front panel with the slots, then push them all the way in. Front panel shaft Slot • Close the front panel slowly. • Press the front panel at both sides and the center.
  • Page 34 Care and Cleaning ■ Air fi lter Pull out the air fi lters. If the dust does not come off easily • Open the front panel. • Wash the air fi lters with neutral detergent thinned with • Push a little upwards the fi lter tab at the center of lukewarm water, then dry them up in the shade. each air fi lter, then pull it down. 1) Push Set the fi lters as they were and close the front panel.
  • Page 35 ■ Titanium apatite photocatalytic air-purifying fi lter Take off the titanium [Replacement] apatite photocatalytic air- Remove the tabs on the fi lter frame and replace with a new purifying fi lter. fi lter. • Open the front panel and pull out the air fi lters. • Hold the recessed parts of the frame and unhook the 4 claws. • Do not throw away the fi lter frame. Reuse the fi lter frame when replacing the titanium apatite Claw photocatalytic air-purifying fi lter.
  • Page 36: Before A Long Idle Period

    Care and Cleaning ■ Check the units ■ Check that the base, stand and other fittings of the outdoor unit are not decayed or corroded. ■ Check that nothing blocks the air inlets and the outlets of the indoor unit and the outdoor unit. ■ Check that the drain comes smoothly out of the drain hose during COOL or DRY operation. • If no drain water is seen, water may be leaking from the indoor unit. Stop operation and consult the service shop if this is the case. ■ Before a long idle period Operate the FAN only for several hours on a fine day to dry out the inside. • Press and select “ ” operation. • Press and start the operation.
  • Page 37: Troubleshooting

    Troubleshooting ■ These cases are not troubles. • The following cases are not air conditioner troubles but have some reasons. You may just continue using it. Indoor unit The fl ap does not start swing immediately. • T he air conditioner is adjusting the fl ap position. The fl ap will start moving soon. A sound is heard. The air conditioner stops generating ■ airfl ow during operation. A sound like a fl...
  • Page 38: During Operation

    Troubleshooting • Troubleshooting measures are classifi ed into the following two types on a remedial basis. Take an appropriate measure according to the symptom. Not trouble Operation stopped suddenly. • These cases are not troubles. (OPERATION lamp fl ashes.) Check • A re the air fi lters clean? Clean the air fi lters. • Please check again before calling a • I s there anything to block the air inlet or the outlet of repair person. the indoor and the outdoor units? • T urn the bleaker off and take all obstacles away. Then turn it on again and try operating the air conditioner with the remote controller. If the lamp still fl ashes, call The air conditioner does not operate. the service shop where you bought the air conditioner.
  • Page 39 Hot air does not fl ow out soon after The outdoor fan rotates while the the start of HEAT operation. air conditioner is not in operation. ■ • T he air conditioner is warming up. You should wait for After operation is stopped 1 to 4 minutes. (The system is designed to start • T he outdoor fan continues rotating for another discharging air only after it has reached a certain 60 seconds for system protection.
  • Page 40: Call The Service Shop Immediately

    Troubleshooting ■ Call the service shop immediately 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 or modify the air conditioner by yourself. • Incorrect work may result in electric shocks or fire.
  • Page 41: Fault Diagnosis By Remote Controller

    ■ Fault diagnosis by remote controller • The remote controller can receive a corresponding error code according to the fault from the indoor unit. When is held down for 5 seconds, a “ ” indication blinks on the temperature display section. Press repeatedly until a continuous beep is produced. • The code indication changes as shown below, and notifi es with a long beep. CODE MEANING NORMAL INDOOR-OUTDOOR UNIT COMBINATION FAULT SYSTEM REFRIGERANT SHORTAGE DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT)
  • Page 42 Troubleshooting ■ LED ON OUTDOOR UNIT PCB 3MXS, 4MXS, 5MXS series GREEN MICROCOMPUTER MALFUNCTION NORMAL DETECTION LED-A LED1 LED2 LED3 LED4 LED5 DIAGNOSIS ● ● ● ● ● NORMAL CHECK INDOOR UNIT HIGH PRESSURE PROTECTOR WORKED OR FREEZE-UP IN ● ● OPERATING UNIT OR STAND-BY UNIT * O VERLOAD RELAY WORKED OR HIGH DISCHARGE PIPE ● ● ● TEMPERATURE ●...
  • Page 43 ■ MEMO...
  • Page 44 Quick Reference Two-dimensional bar code is a code for manufacturing. 3P297033-1 M11B098 (1111) HT...

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Ftxs25k2v1bCtxs15k2v1bCtxs35k2v1b

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