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DUCT TYPE AIR CONDITIONER
Indoor unit Operation & Installation
Manual
HDU-42CF03/H
HDU-42HF03/H
No. 0010576889
please read this operation manual before using the air conditioner.
please keep this manual carefully and safty.
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Table of Contents Cautions 2 Safety Precautions 3-5 Parts and Functions 6-8 Operation 9-14 Malfunction 15-17 Care and Maintenance 18 For Preparation of Heating 19 Is The Unit Installed Correctly 20 21-22 Installation Manual For Wire Controller 23-31 Installation Manual For Indoor Unit Installation Manual For Electric Wiring 32 1
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Cautions important observations relating to the Disposal of the old air conditioner assembly, operation and maintenance of the Before disposing an old air conditioner that air conditioner. goes out of use, please make sure it's inoperative and safe. Unplug the air The manufacturer does not accept conditioner in order to avoid the risk of responsibility for any damages that may arise child entrapment. due to non-observation of the following instruction. It must be noticed that air conditioner sys
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Safety Precautions Before starting to use the system, read carefully this"SAFETY PRECAUTIONS" to ensure a proper operation of the system. Safety precautions described here are classified to " WARNING" and " CAUTION". Precautions which are shown in the column of " WANING" means that an improper handing could lead to a grave result like a death, serious injury, etc. However, even if precautions are shown in the column of " CAUTION", a very serious problem could occur depending on
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Safety Precautions CAUTION Do not wash the air conditioner with water. Make sure to use a fuse of proper electric Do not install the system where the air outlet reaches directly the flora and fauna. rating. Use of steel or copper wire in place of a fuse is strictly It could cause electric shocks. It will not be good for their health. prohibited because it could result in a trouble or fire accident. It is strictly prohibited to place a container of Neither stand on the air conditioner nor Do not
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Safety Precautions The machine is adaptive in following situation 1. Applicable ambient temperature range: Rated Maximum Minimum DB C 27 32 18 Indoor WB C 19 23 14 Cooling DB C 35 43 10 outdoor WB C 24 26 6 20 27 15 DB C Indoor Heating 14.5 -- -- WB C 7 24 -7 DB C outdoor 6
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Parts and Functions Indoor Unit Air outlet Duct Duct Drainpipe Air inlet 6
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Parts and Functions Operation Buttons and display of the wire controller. MODE CLOCK Used to select AUTO Used to set correct time. RUN, COOL, DRY, HEAT and FAN operation. TIMER Used to select TIMER ON, FAN SPEED TIMER OFF, TIMER ON/OFF. Used to select fan speed: LO, MID, HI, AUTO TEMP Used to select your desired temp. SET Used to confirm Timer TIME and Clock settings. Used to set clock and timer setting. SLEEP Power ON/OFF Used to select sleep mode. Used for unit start and stop. Cautions: Note:
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Parts and Functions Operation Buttons and display of the wire controller. Remote control SLEEP COOL AUTO HEAT DRY FAN SPEED OPERATING LAMP TIMER ON FAN OPERATION TIMER OFF CLOCK TEMP. Clock set When unit is started for the first time, clock should be adjusted as follows: Press CLOCK button, "AM"or "PM" flashes. 8
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Operation The air conditioner has the function of POWER FAILURE RESUME. Fan operation Enjoy yourself by just a gentle press. (1) Unit start (3) Fan Press ON/OFF button, unit starts. Press FAN button. For each press, fan speed Previous operation status appears on display. changes as follows: (Not Timer setting) Power indicator lights up. LOW MID HIGH (2) Select operation mode Press MODE button. For each press, operation Unit will run at selected fan speed. mode changes as follows: (4) Unit stop
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Operation AUTO RUN, COOL,HEAT and DRY Recommendations Use COOL in summer. Use HEAT in winter. Use DRY in spring,autumn and in damp climate. (1) Unit start (4) Fan speed selection Press ON/OFF button, unit starts. Press FAN button. For each press, fan speed changes Previous operation status appears on display as follows: AUTO (Not Timer setting). Power indicator lights up. (2) Select operation mode LOW AUTO MID HIGH Press MODE button. For each press, operation mode changes as follows: AUTO COOL
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Operation TIMER operation Set Clock correctly before starting Timer operation. You can let unit start or stop automatically at following time: Before you wake up in the morning, or get back from outside or after you fall asleep at night. TIMER ON/OFF (3)Timer setting (1)After unit start, select your desired operation mode. Operation mode will be displayed on LCD. Every time the button is pressed, time increases 10min. Power indicator lights up. If button is kept depressed, time will change quic
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Operation TIMER ON-OFF (1)After unit start, select your desired (4) Time confirming for TIMER ON operation mode After time setting, press TIMER button to confirm. Operation mode will be displayed on LCD. "ON" stops blinking, While "OFF" starts blinking. Power indicator lights up. Time displayed: Unit starts at Xhour X min. (2) Press TIMER button to change TIMER (5)Time setting for TIMER OFF mode Follow the same procedures in "Time setting for Every time the button is pressed, display changes as
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Operation Comfortable Sleep At night, before going to bed you can press down the SLEEP button on the controller and the air- conditioner will run by the comfortable sleeping mode to make you sleep more comfortable. In cooling, dehumidifying mode In heating mode Note: In AUTO mode, unit will run in SLEEP function according to the operation mode. After setting SLEEP function, it is forbidden to calibrate clock. If the set sleep-time does not reach 8 hours, the unit will stop operation
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Operation Power Failure Compensation (to be applied for a necessary situation) After the power failure compensation is set, if power failure suddenly occurs while the air conditioner is working, it will resume the previous working state when the power is supplied again. Setting Method: When the wire controller is on (excluding timer mode and fan mode), press the "Sleeping" button on the remote controller 10 times within 5 seconds, and after the buzzer
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Malfunction please check the following things about your air conditioner before making a servie call. Unit fails to start Is the power source Is city supply power in Isn't the signal receiving Isn't the earth leakage switch adjust cut in? normal? section exposed to the breaker in action? direct sunlight or strong ON illumination? It is dangerous. Turn off OFF the power supply switch Power stoppage? immediately and contact Power supply switch is the sales dealer. not ON. Cooling or heating is not
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Malfunction Failure description Code on wired controller Room temp. sensor abnormal E1 Indoor coil temp. sensor abnormal E2 Outdoor temp. sensor abnormal E3 Outdoor coil temp. sensor abnorma
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Shuru Shuru Malfunction The followings are not malfunction When the air conditioner is started, when the compressor starts or Water flowing stops during operation or when the air conditioner is stopped, it sound is heard. sometimes sounds "shuru shuru" or "gobo gobo". It is the flowing sound of the refrigerant, and it is not a trouble. Cracking sound is heard. This is caused by heat expansion or contraction of plastics. It smells. Air which blows out from the indoor unit sometimes smells. The s
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Care and Maintenance Points to observe Turn off the power supply switch. Do not touch with wet hand. Do not use hot water or volatileliquid. Do not ON use! Thinner Benzine OFF Tooth powder CAUTION Do not open the inlet grill until fan stops completely. Fan will continue rotating for a while by the law of inertia after operation is being stopped. Cleaning CAUTION Do not dry the air filter with fire. Do not run the air conditioner without the air filter. Care and Cleaning of the unit Clean w
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For Preparation of Heating("Hot Keep") "HOT KEEP"is operated in the following cases. When heating is started: In order to prevent blowing out of cool wind, the indoor unit fan stopped according to the room temperature which heating operation is started. Wait for approx. 2 to 3 minute, and the operation will be automatically changed to the ordinary heating mode. Defrosting operation (in the heating mode): When it is liable to frost. the heating operation is stopped automatically for 5 to 12 minut
