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ENGLISH
REFRIGERANT
SPLIT-TYPE AIR CONDITIONERS
INSTALLATION MANUAL
Model names are indicated in 1-3.
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1. BEFORE INSTALLATION
MEANINGS OF SYMBOLS DISPLAYED ON INDOOR UNIT AND/OR OUTDOOR UNIT WARNING
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1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
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WARNING &RXOGOHDGWRGHDWKVHULRXVLQMXU\HWF
■ Do not install the unit by yourself (user).
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■ Perform the installation securely referring to the installation manual.
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■ When installing the unit, use appropriate protective equipment and tools for safety.
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■ Install the unit securely in a place which can bear the weight of the unit.
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■ Do not alter the unit.
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■ Electrical worN should be performed by a quali¿ed, experienced electrician, according to the installation manual. Be sure to use an exclusive circuit. Do not connect other electrical appliances to the circuit.
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■ Earth the unit correctly.
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■ Do not damage the wires by applying excessive pressure with parts or screws.
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■ Be sure to cut off the main power in case of setting up the indoor P.C. board or wiring works.
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■ Use the speci¿ed wires to connect the indoor and outdoor units securely and attach the wires ¿rmly to the terminal block connecting sections so the stress of the wires is not applied to the sections. Do not extend the wires, or use intermediate connection.
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■ Do not install the unit in a place where Àammable gas may leak.
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■ Do not use intermediate connection of the power cord or the extension cord and do not connect many devices to one AC outlet.
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■ Be sure to use the parts provided or speci¿ed parts for the installation work.
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■ When plugging the power supply plug into the outlet, make sure that there is no dust, clogging, or loose parts in both the outlet and the plug. Make sure that the power supply plug is pushed com- pletely into the outlet.
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■ Attach the electrical cover to the indoor unit and the service panel to the outdoor unit securely.
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■ When installing, relocating, or servicing the unit, make sure that no substance other than the speci-
¿ed refrigerant (R32) enters the refrigerant circuit.
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■ Do not discharge the refrigerant into the atmos- phere. If refrigerant leaks during installation, ven- tilate the room. Check that the refrigerant does not leak after installation has been completed.
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■ Use appropriate tools and piping materials for instal- lation.
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■ When pumping down the refrigerant, stop the com- pressor before disconnecting the refrigerant pipes.
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■ When installing the unit, securely connect the re- frigerant pipes before starting the compressor.
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■ Fasten a Àare nut with a torque wrench as speci¿ed in this manual.
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■ The unit shall be installed in accordance with na- tional wiring regulations.
■ When using a gas burner or other Àame-producing equipment, completely remove all of the refrigerant from the air conditioner and ensure that the area is well-ventilated.
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■ Do not use means to accelerate the defrosting pro- cess or to clean, other than those recommended by the manufacturer.
■ The appliance shall be stored in a room without continuously operating ignition sources (for exam- ple open Àames, an operating gas appliance or an operating electric heater).
■ Do not pierce or burn.
■ Be aware that refrigerants may not contain an odour.
■ Pipe-work shall be protected from physical damage.
■ The installation of pipe-work shall be kept to a minimum.
■ Compliance with national gas regulations shall be observed.
■ Keep any required ventilation openings clear of obstruction.
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■ Install an earth leakage breaker depending on the installation place.
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■ Perform the drainage/piping work securely ac- cording to the installation manual.
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■ Do not touch the air inlet or the aluminum ¿ns of the outdoor unit.
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■ Do not install the outdoor unit where small ani- mals may live.
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■ Do not operate the air conditioner during interior construction and ¿nishing work, or while waxing the Àoor.
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1-2. SELECTING THE INSTALLATION LOCATION
1-3. SPECIFICATIONS
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1-4. INSTALLATION DIAGRAM
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External damage on the refrigerant piping can be cause of ¿re.
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Drain piping for outdoor unit
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5-2. REMOVING THE INDOOR UNIT
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6. CONNECTING THE INTERFACE/CONNECTOR CABLE TO THE AIR CONDITIONER
Fix the connecting cable at the prescribed position securely. Incorrect installation may cause electric shock, ¿re, and/or malfunction.
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