147
MINI 4-way cassette
type indoor unit
4.9.2 Safety
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If the air conditioner is transferred to a new user, this manual shall be transferred to the user, together with the
conditioner.
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Before installation, be sure to read Safety Considerations in this manual for proper installation.
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The safety considerations stated below is divided into " Warning" and " Attention". The matters on severe
accidents caused from wrong installation, which is likely to lead to death or serious injury, are listed in "
Warning". However, the matters listed in " Attention" are also likely caused the severe accidents. In general,
both of them are the important items related to the security, which should be strictly abided by.
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After the installation, perform test run to make sure everything is in normal conditions, and then operate and
maintain the air conditioner in accordance with the User Manual. The User Manual should be delivered to the
user for proper keeping.
WARNING
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Please ask the special maintenance station for installation and repair. Water leakage, electric shocks or fire
accidents might be caused from improper installation if you conduct the installation by your own.
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The installation should be conducted properly according to this manual. Water leakage, electric shocks or fire
accidents might be caused from improper installation.
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Please make sure to install the air conditioner on the place where can bear the weight of the air conditioner. The
air conditioner can't be installed on the grids such as the non-special metal burglar-proof net. The place with
insufficient support strength might cause the dropdown of the machine, which may lead to personal injuries.
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The installation should be ensured against typhoons and earthquakes, etc. The installation unconformable to the
requirements will lead to accidents due to the turnover of the machine.
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Specific cables should be used for reliable connections of the wirings. Please fix the terminal connections reliably
to avoid the outside force applied on the cables from being impressed on the cables. Improper connections and
fixings might lead to such accidents as heating or fire accidents.
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Correct shapes of wirings should be kept while the embossed shape is not allowed. The wirings should be reliably
connected to avoid the cover and the plate of the electrical cabinet lapping the wiring. Improper installation might
cause such accidents as heating or fire accidents.
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While placing or reinstalling the air conditioner, except the specific refrigerant (R410A), don't let the air go into the
refrigeration cycle system. The air in the refrigeration cycle system might lead to the cracking or personal injuries
due to abnormal high pressure of the refrigeration cycle system.
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During installation, please use the accompanied spare parts or specific parts. If not, water leakage, electric
shocks, fire accidents or refrigerant leakage might be caused.
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Don't drain the water from the drainpipe to the waterspout where may exist harmful gases such as sulfureted gas
to avoid the harmful gases entering into the room.
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During installation, if refrigerant leakage occurs, ventilation measures should be taken, for the refrigerant gas
might generate harmful gases upon contacting the flame.
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After installation, check if any refrigerant leakage exists. If the refrigerant gas leaks in the room, such things as air
blowing heaters and stoves, etc. may generate harmful gases.
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Don't install the air conditioner at the places where the flammable gases may leak. In case the gas leakage
occurs around the machine, such accidents as fire disasters may be caused.
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The drainpipe should be properly mounted according to this manual as to ensure the smooth drainage. In
addition, heat preservation should be taken to avoid condensation. Improper drainpipe mounting might cause
water leakage, which will get the articles at home wet.
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The refrigerant gas pipe and liquid pipe should be heat insulated to preserve heat. For inappropriate heat
insulation, the water caused from the condensation will drop to get the article at home wet.
