Only use accessories Instruct the customer on how to operate and maintain the unit. made by Daikin that are specifically designed for use Inform customers that they should store this Operation with the equipment and have them installed by a Manual with the Installation Manual for future reference.
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• Do not expose the controller to direct sunlight. The CAUTION LCD display can become discolored and may fail to • Do not use the air conditioner for any other purposes display the data. other than comfort cooling or heating. Do not use the •...
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Safety Considerations [Place of Installation] • Make sure that the air conditioner is located in a sufficiently ventilated place not surrounded by obstacles. • Do not use the air conditioner in the following places. a. Places with a mist of mineral oil, such as cutting oil. b.
Specifications This table shows the specifications of the single module. For the specifications of the multi module system, refer to the specifications of each single module that constitutes the system. Model name RXYQ72AATJ* RXYQ96AATJ* RXYQ120AATJ* RXYQ144AATJ* RXYQ168AATJ* Power supply Phase —...
What to do before Operation This operation manual is for the following system with standard control. Before initiating operation, contact your local dealer for the operation that corresponds to your system type. If your installation has a customized control system, ask your local dealer for the operation that corresponds to your system. 1.
Name and Function of Each Switch and Display Cool/Heat Selector • When the Cool/Heat selector remote controller is installed, the remote controller connected to the indoor unit cannot be used to switch between cooling and heating operation. 1. Fan only/air conditioning selector switch <Cool/Heat selector>...
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Dry Mode Preparation • For equipment protection purposes, apply power to the outdoor units at least 6 hours before starting the operation of the system. • The dry mode may not be selected if the remote controller is master controlled and the system is not already in the cooling mode of operation (see the following section).
Maintenance Reset Filter Indicator Operation • When it is time to clean or replace the filter, one of the following messages will appear on the bottom of the basic screen. Cool Set to Cool “Time to clean filter” “Time to clean filter & element” Time to clean filter “Time to clean element”...
Reference Information Error Code Display Contact your local dealer in the following cases Operation • If an error occurs, either one of the following items will flash in the basic screen. Cool “Error: Press Menu button” Set to Cool * The operation lamp will flash. Operation “Warning: Press Menu button”...
Clean the exterior. • See the Operation Manual came with the indoor unit for details on how to clean it. Please refer to the Maintenance and service check list available on Daikin City or contact your Daikin representative for the latest document.
Following Issues Do Not Mean System Malfunction The system does not operate • The air conditioner does not start immediately when restarting or changing the operation mode. If the operation lamp lights, the system is in normal condition. To prevent overloading of the compressor motor, the air conditioner starts 5 minutes after it is turned ON again in case it was turned OFF just before.
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Following Issues Do Not Mean System Malfunction White mist comes out of the unit Indoor unit • When humidity is high during cooling operation. If the interior of indoor unit is extremely contaminated, the temperature distribution inside a room becomes uneven. It is necessary to clean the interior of the indoor unit.
Hot air is emitted even though the unit is stopped • Hot air can be felt when the unit is stopped. Several different indoor units are being run on the same system, so if another unit is running, some refrigerant will still flow through the unit. Does not cool very well •...
Trouble Shooting • Check the fan speed setting on your remote controller. Refer to “Operation Procedure”. • Check for open doors or windows. Shut doors and windows to prevent wind from coming in. • Check if there are too many occupants in the room during cooling operation. •...
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• Table 1 “Inspection Cycle” and “Maintenance Cycle” Lists Name of Main Part Inspection Cycle Maintenance Cycle*1 Compressor 20,000 hours Electric motor (fan, damper, etc.) 20,000 hours Printed circuit boards 25,000 hours Heat exchanger 5 years Sensor (thermistor, etc.) 5 years 1 year Remote controller and switches 25,000 hours...
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After-Sales Service and Warranty Moving and discarding the unit This unit uses chlorofluorocarbon. Contact your local dealer for discarding this unit since it is required by law to collect, transport and discard the refrigerant in accordance with “chlorofluorocarbon collection and destruction” law. Where to call For after-sales service, etc., consult with your local dealer.
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