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CASSETTE-TYPE AIR CONDITIONER Owner’s Manual Compact Four-Way Cassette Ceiling Cassette-Type Ductless Split Systems CB009 - CB012 - CB018 Compact Indoor Units CYB009 - CYB012 - CYB018 System Sets IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit.
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Table of Contents Owner’s Manual 1 Safety Precautions ..............4 SAFETY FIRST Indoor Unit Parts and Major Functions ....5 Manual Operation ..............7...
Care and Maintenance ........8 a. Unit Maintenance............8 b. How to Clean the Air Filter..........8 c. Repairing Refrigerant Leaks...........8 d. Preparation for Periods of Non-use......9 Troubleshooting ........10 a. Common Pr oblems..........10 b. Troubleshooting Tips........11 European Disposal Guidelines ................13 ...
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Safety Precautions Thank you for your purchase of this air conditioner. This manual will provide you with information on how to operate, maintain, and troubleshoot your air conditioner. Following the instructions closely will ensure the proper function and extended lifespan of your unit. Please pay attention to the following signs: Failure to observe a warning may result in death.
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Indoor Unit Parts And Major Functions Unit Parts Display Panel Louver Air Outlet Air Inlet Fig. 2.1 Operating Conditions Use the system in the following temperature ranges for safe and effective operation. If the air conditioner is used outside of the following conditions, it may malfunction or be less efficient. COOL Mode HEAT Mode DRY Mode...
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Features Default Setting Louver Angle Memory Function (Optional) When the air conditioner restarts after a power Some models are designed with a louver angle failure, it will default to the factory settings memory function. When the unit restarts after a (AUTO mode, AUTO fan, 24°C (76°F)).
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Manual Operations This display panel on the indoor unit can be used to operate the unit in case the remote control has been misplaced, or is out of batteries. Manual Button Infrared Receiver Operation Indicator Alarm Indicator Timer Indicator PRE-DEF (pre-heating/defrost) Indicator Fig.
Care And Maintenance WARNING: DO NOT REMOVE OR Safety Precautions CLEAN THE FILTER BY YOURSELF Contact an authorized service technician for • repair or maintenance of this unit. Improper Removing and cleaning the filter can be repair and maintenance may cause water dangerous.
Repairing Refrigerant Leaks 4. Remove the air filter. 5. Clean the air filter by vacuuming the surface or WARNING washing it in warm water with mild detergent. If the refrigerant leaks, turn off the air • If using a vacuum cleaner, the inlet side conditioner and any combustible heating should face the vacuum.
Troubleshooting CAUTION If one of the following conditions occurs, switch off the power supply immediately and contact your dealer for further assistance. The operation light continues to flash rapidly after the unit has been restarted. • The remote control buttons do not work. •...
Problem Possible Causes Dust is emitted from The unit may accumulate dust during extended periods of non-use, which will be either the indoor or emitted when the unit is turned on. This can be mitigated by covering the unit outdoor unit during long periods of inactivity.
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Error Codes Error Operation Timer Alarm PRE-DEF Cause Number Code Indicator Indicator Indicator Indicator In-outdoor unit communication Quick-flash Quick-flash checking channel is abnormal Room temperature sensor Quick-flash checking channel is abnormal Evaporator sensor malfunction Quick-flash Condenser sensor malfunction Quick-flash Water pump temperature sensor Quick-flash Outdoor malfunction Quick-flash Quick-flash...
European Disposal Guidelines Users in European countries may be required to properly dispose of this unit. This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law requires special collection and treatment. DO NOT dispose of this product as household waste or unsorted municipal waste.
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QSQ4U-031AEN The design and specifications of this product are subject to change without prior notice as development continues. Consult with the sales agency or manufacturer for details. Parker Davis HVAC International, Inc. 16123000000492 2250 NW 102 Place, Doral, FL 33172 20170315 Phone: (305) 513-4488 ...