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Prior to installation, this air- Models: B1/B2 Series conditioning unit must be Type: Ceiling Concealed Duct- Low Static submitted for approval by the utility service which provides electricity (EN 61000-2, EN 61000-3 Norm). IMPORTANT • Please read this owner's manual carefully and thoroughly before installing and operating your room air conditioner.
Ceiling Concealed Duct – Low Static Type Indoor Unit Owner’s Manual TABLE OF CONTENTS FOR YOUR RECORDS Write the model and serial numbers here: Safety Precautions....3 Model # Prior to Operation ....8 Serial # You can find them on a label on the side of each unit. Operating Instructions...9 Dealer's Name Name and Function of Remote...
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury.
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Safety Precautions Do not modify or extend the Do not install, remove, or Be cautious when power cable. re-install the unit by unpacking and installing yourself (customer). the product. • There is risk of fire or electric • There is risk of fire, electric •...
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Safety Precautions Do not allow water to run Do not store or use flammable Do not use the product in a into electric parts. gas or combustibles near the tightly closed space for a product. long time. • It may cause There is risk of •...
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Safety Precautions When the product is not be used for a long Take care to ensure that nobody could step time, disconnect the power supply plug or on or fall onto the outdoor unit. turn off the breaker. • There is risk of product damage or failure, or •...
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Safety Precautions Do not block the inlet or Use a soft cloth to clean. Do Do not touch the metal parts of outlet of air flow. not use harsh detergents, the product when removing the solvents, etc. air filter. They are very sharp! •...
Prior to operation Prior to Operation Preparing for operation 1. Contact an installation specialist for installation. 2. Use a dedicated circuit. Usage 1. Being exposed to direct airflow for an extended period of time could be hazardous to your health. Do not expose occupants, pets, or plants to direct airflow for extended periods of time.
Operating Instructions Operating Instructions Operating Instructions Name and Function of Remote Controller(Optional) Model: ARNU, LRNU-B1/B2 AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp AUTO Heater Preheat Defrost Humidify Filter Out door 2ndF Time ZONE 1 2 3 4 Timer Operation unit No Func...
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Operating Instructions Wireless Remote Controller (optional) 1. Start/Stop Button Signal transmitter Operation starts when this button is pressed. 2. Operation Mode Selection Button Used to select the operation mode. 3. Room Temperature Setting Buttons Used to select the room temperature. 4.
Maintenance and Service Maintenance and Service CAUTION: Before performing any maintenance, turn off the main power to the system. ❏ Never use any of the followings: Grille, Case, and Remote Control • Water hotter than 40°C ❏ Turn the system off before cleaning. To clean, wipe with Could cause deformation and/or discoloration.
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Maintenance and Service When the air conditioner is not going to be used for a long time. When the air conditioner is to When it is not going to be used for be used again. a long time. I Check that the air inlet and outlet of the Operate the air conditioner on Air indoor/outdoor unit are not blocked.
Maintenance and Service Before you call for service... Troubleshooting Tips! Save time and money! Check the following points before requesting repairs or service..If the malfunction persists, please contact your dealer. The air conditioner The room has a It seems that Air conditioner does does not operate.