1. Safety Precautions
• Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing.
• Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the
power plug and main circuit for the model installed.
• The caution items stated here must be followed because these important contents are related to safety. The
meaning of each indication used is as below. Incorrect installation or servicing due to ignoring of the instruction
will cause harm or damage, and the seriousness is classified by the following indications.
This indication shows the possibility of causing death or serious injury
This indication shows the possibility of causing injury or damage to properties.
• The items to be followed are classified by the symbols:
• Carry out test run to confirm that no abnormality occurs after the servicing. Then, explain to user the operation,
care and maintenance as stated in instructions. Please remind the customer to keep the operating instructions for
future reference.
1. Do not install outdoor unit near handrail of veranda. When installing air-
conditioner unit at veranda of high rise
building, child may climb up to outdoor unit and cross over the handrail and causing accident.
2. Do not use unspecified cord, modified cord, joint cord or extension cord for power supply cord. Do not share
the single outlet with other appliances. Poor contact, poor insulation or over current will cause electrical
shock or fire.
3. Do not tie up the power supply cord into a bundle by hand. Abnormal temperature rise on power supply cord
may happen.
4. Do not insert your fingers or other objects into the unit, high speed rotating fan may cause
injury.
5. Do not sit or step on the unit, you may fall down accidentally.
6. Keep plastic bag (packaging material) away from small children, it may cling to nose and mouth and prevent
breathing.
7. When install or relocate air conditioner, do not let any substance other than the specified refrigerant, eg. air
etc. mix into refrigeration cycle (piping). Mixing of air etc. will cause abnormal high pressure in refrigeration
cycle and result in explosio.
8. Do not modify the machine, part, material during repairing service.
9. • For R410A models, when connecting the piping, do not use any existing (R22) pipes and flare nuts. Using
such same may cause abnormally high pressure in the refrigeration cycle (piping), and possibly result in
explosion and injury. Use only R410A materials.
• Thickness or copper pipes used with R410A must be more than 0.8 mm. Never use copper pipes thinner than
0.8 mm
• It is desirable that the amount of residual oil is less than 40 mg/10 m.
10. Engage dealer or specialist for installation. If installation done by the user is defective, it will cause water
leakage, electrical shock or fire.
11. Install according to this installation instructions strictly. If installation is defective, it will cause water leakage,
electrical shock or fire.
12. Use the attached accessories parts and specified parts for installation. Otherwise, it will cause the set to fall,
water leakage, fire or electrical shock.
13. Install at a strong and firm location which is able to withstand the set’s weight. If the strength is not enough
or installation is not properly done, the set will drop and cause injury.
14. For electrical work, follow the local national wiring standard, regulation and this installation instruction. An
independent circuit and single outlet must be used. If electrical circuit capacity is not enough or defect found
in electrical work, it will cause electrical shock or fire.
15. Do not use joint cable for indoor/outdoor connection cable. Use the specified Indoor/Outdoor connection
cable, refer to installation instructions CONNECT THE CABLE TO THE INDOOR UNIT and connect tightly
for indoor / outdoor connection. Clamp the cable so that no external force will be acted on the terminal. If
connection or fixing is not perfect, it will cause heat up or fire at the connection.
Symbol with white background denotes item that is PROHIBITED from doing.
Symbol with dark background denotes item that must be carried out.
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