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3.4.2 Safety
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If the valve box 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 "
accidents caused from wrong installation, which is likely to lead to death or serious injury, are listed in "
However, the matters listed in "
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 valve box in accordance with the user manual. The user manual should be delivered to the user for
proper keeping.
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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 valve box on the place where can bear the weight of the valve box. The valve box
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 clipping the wiring. Improper installation might
cause such accidents as heating or fire accidents.
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While placing or reinstalling the valve box, 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.
■
During installation, if refrigerant leakage occurs, ventilation measures should be taken, for the refrigerant gas
might generate harmful gases upon contacting the flame.
■
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 valve box 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 refrigerant gas pipe, HP 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.
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The electrical construction shall be implemented by the correspondingly qualified personnel in accordance with
electrical construction standards, local electrical laws as well as specifications. Moreover, dedicated circuit must
be used, rather than the wire pin. Insufficient capacity of the wire circuit and unprepared construction (if any) may
cause electric shock, fires, etc.
Warning" and "
Attention" are also likely cause the severe accidents. In general, both of them
WARNING
101
Attention". The matters on severe
Warning".
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