Safety Precautions The following safety precautions must be taken when using your air conditioner. Risk of electric shock. • Can cause injury or death. • Disconnect all WARNING remote electric power supplies before servicing, installing or cleaning. • This must be done by the manufacturer or its service agent or a similar qualified person in order to avoid a hazard.
Preparation for Installation When deciding on the location of the air conditioner with the owner, the following restrictions must be taken into account. General Do NOT install the air conditioner in a location where it will come into contact with the following elements: ...
Deciding on Where to Install the Indoor Unit Indoor Unit There must be no obstacles near the air inlet and outlet. Install the indoor unit on a ceiling that can support its weight. Maintain sufficient clearance around the indoor unit. ...
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Deciding on Where to Install the Indoor Unit (continued) Drawing of the indoor unit Unit : mm Name Remark Liquid pipe connection ø6.35 (1/4") Gas pipe connection ø15.88 (5/8") Drain pipe connection Power supply connection Air discharge grille Air suction grille...
Indoor Unit Installation It is recommended to install the refnet joint before installing the indoor unit. Place the pattern sheet on the ceiling at the spot where you want to install the indoor unit. S ince the diagram is made of paper, it may shrink or stretch Note ...
Connecting the Refrigerant Pipe There are two refrigerant pipes of differing diameters: A smaller one for the liquid refrigerant A larger one for the gas refrigerant The inside of copper pipe must be clean & has no dust. Remove the pinch pipe on the pipes and connect the assembly pipes to Refrigerant oil each pipe, tightening the nuts, first manually and then with a torque wrench,...
Cutting / Flaring the Pipes Make sure that you have the required tools available (pipe cutter, reamer, flaring tool and pipe holder). If you wish to shorten the pipes, cut it with a pipe cutter, taking care to ensure that the cut edge remains at a 90° angle with the side of the pipe. Refer to the illustrations below for examples of edges cut correctly and incorrectly.
Performing Leak Test & Insulation Leak Test To check for gas leaks on the indoor unit, check the connection part of each refrigerant pipe by using a leak detector. Insulation Once you have checked that there are no leaks in the system, you can insulate the piping and hose.
Drain hose port Insulation drainpipe Drain hose port Adhesives Band Flexible Band Drain hose hose...
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Note If a concentrated drain hose is installed, refer to the figure below. Drain clamp Air ventilation Concentrated drain hose Testing the drainage You should test the drainage after completing the installation. Prepare a little water about 2.0 liters. Turn the cover drain pump, then pull it out.
Connecting the Connection Cord The indoor unit is powered from the outdoor unit via the connection cord. Remove the screw on the electrical component box and remove the cover plate. Route the connection cord through the side of the indoor unit and connect the cable to terminals;...
Assigning Address to Indoor Unit Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan. The address of the indoor unit is assigned by adjusting MAIN(SW02) and RMC(SW04) rotary switches. SW02 MAIN SW04 RMC SW05 SW06...
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Assigning Address to Indoor Unit (continued) If you install optional accessories such as the wired remote controller, centralized controller, etc. see an appropriate installation manual. If an optional accessory is not installed, you do not have to set the RMC address.
Installing the Safety Net Install the safety net after installing the connection cord and fixing electric component box cover. For your safety, you must install the safety net. For details about installing the panel, refer to the manual for the panel. Uncover the wrap of safety net.
Troubleshooting Detection of errors If an error occurs during the operation, one or more LED flickers and the operation is stopped except the LED. If you re-operate the air conditioner, it operates normally at first, then detect an error again. LED Display on the receiver &...
LED Display LED lamp display Abnormal conditions Remarks Green Yellow Green Orange [Self diagnosis]Power voltage detection between indoor and outdoor unit communication cable [Self diagnosis]Outdoor unit refrigerant leakage(Gas leak) [Self diagnosis]Outdoor fan restriction error [Inverter]Inverter compressor operation failure [Inverter] DC peak error [Inverter]DC Link voltage 150V or less, 410V or more [Inverter] Compressor rotation error...
Troubleshooting (continued) Wired remote controller If an error occurs, is displayed on the wired remote controller. If you would like to see an error code, press the Test button. Outdoor unit Display Explanation IPM Over Current(O.C) Comp starting error Comp lock error DC-Link voltage under/over error Outdoor temp sensor error...
Indoor unit Display Explanation Indoor unit communication reception error Communication error between the outdoor and indoor unit Indoor unit temperature sensor (Short/Open) Indoor unit Eva In sensor (Short/Open) Indoor unit Eva Out sensor (Short/Open) Indoor unit Eva In sensor secession Indoor unit Eva Out sensor secession Indoor Eva In and Out sensor secession error Secondary(Electronic)heater sensor 1 error...
Parts List Wired Remote Controller Accessories Wired M4x16 tapped Indoor unit power Cable-tie Cable clamp remote controller screw drawing cable Owner’s Installation Communication cable of the Wire Joint wired remote controller instructions manual Wireless Remote Controller Accessories Wireless Remote STS 2S-2x10 Owner’s Installation Battery...
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Function Controller Accessories Function M4x16 tapped Owner’s Installation Cable-tie Cable clamp controller screw instructions manual Transmitter Accessories Transmitter Transmitter Installation Transmitter power cable communication cable manual Note I f you would like to install the centralized controller, you must install the transmitter in the outdoor unit.
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THIS AIR CONDITIONER IS MANUFACTURED BY: ESTE AIRE ACONDICIONADO HA SIDO FABRICADO POR: CE CLIMATISEUR EST FABRIQUE PAR: QUESTO CONDIZIONATORE D’ARIA È PRODOTTO DA: ESTE APARELHO DE AR CONDICIONADO É FABRICADO POR: DIESE KLIMAANLAGE IST FABRIZIERT VON: ΥΤΗ Η ΣΥΣΚΕΥΗ ΚΑΤΑΣΚΕΥΑΣΤΗΚΕ ΑΠΟ: ЭТОТ...