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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.
• Before installation, be sure to read Safety Considerations in this manual for proper installation.
• 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 cause the severe accidents. In general, both of them are the important
items related to the security, which should be strictly abided by.
• 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.
• Please ask the special maintenance station for installation and repair. Water leakage, electric shocks or re accidents
might be caused from improper installation if you conduct the installation by your own.
• The installation should be conducted properly according to this manual. Water leakage, electric shocks or re accidents
might be caused from improper installation.
• 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 insufcient support strength
might cause the dropdown of the machine, which may lead to personal injuries.
• 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.
• Specic cables should be used for reliable connections of the wirings. Please x the terminal connections reliably to
avoid the outside force applied on the cables from being impressed on the cables. Improper connections and xings
might lead to such accidents as heating or re accidents.
• 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 re accidents.
• While placing or reinstalling the valve box, except the specic 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.
• During installation, please use the accompanied spare parts or specic parts. If not, water leakage, electric shocks, re
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 ame.
• 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.
• Don’t install the valve box at the places where the ammable gases may leak. In case the gas leakage occurs around
the machine, such accidents as re disasters may be caused.
• 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.
• The electrical construction shall be implemented by the correspondingly qualied personnel in accordance with
electrical construction standards, local electrical laws as well as specications. Moreover, dedicated circuit must be
used, rather than the wire pin. Insufcient capacity of the wire circuit and unprepared construction (if any) may cause
electric shock, res, etc.
• During the process of grounding, the ground wire cannot be connected to the gas pipe, water pipe, lightning rod and
ground wire of the telephone. Incomplete grounding may cause electric shock, res, etc.
• Install residual-current circuit breaker, or electric shock, res, etc. will occur.
Warning
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