Installation And Maintenance; Safety Notice - Hitachi air core 600 Installation & Maintenance Manual

1. Safety Notice

WARNING
·Installation should be left to the dealer or other professional personnel. (Improper installation may cause water
leakage, electrical shock, or fire.)
·Install the unit according to the instruction given in this manual. (Incomplete installation may cause water
leakage, electrical shock, or fire.)
·Be sure to use the supplied or specified installation parts. (Use of other parts may cause the unit to come to
lose, water leakage, electrical shock, or fire.)
·Install the air conditioner on a solid base that can support the unit weight. (An inadequate base or incomplete
installation may cause injury in the event the unit falls off the base. )
·Electrical work should be carried out in accordance with the installation manual and the local electrical wiring
rules or code of practice.
(Insufficient capacity or incomplete electrical work may cause electrical shock or fire. )
·Be sure to use a dedicated power circuit. (Never use a power supply shared by another appliance. )
·For wiring, use a cable long enough to cover the entire distance with no connection, do not use an extension
cord.
·Do not put other loads on the power supply, use a dedicated power circuit. (Failure to do so may cause
abnormal heat, electric shock or fire.)
·Use the specified types of wires for electrical connections between the indoor and outdoor units. (Firmly clamp
the interconnecting wires so their terminals receive no external stress.)
·Incomplete connections or clamping may cause terminal overheating or fire.
·After connecting interconnecting and supply wiring, be sure to shape the cables so that they do not put
undue force on the electrical covers or panels. (Install covers over the wires, incomplete cover installation may
cause terminal overheating, electrical shock or fire.)
·When installing or relocating the system, be sure to keep the refrigerant circuit free from substances other
than the specified refrigerant, such as air. (Any presence of air or other foreign substance in the refrigerant
circuit causes an abnormal pressure rise or rupture, resulting in injury.)
·If any refrigerant has leaked out during the installation work, ventilate the room. (The refrigerant reduces a
toxic gas if exposed to flames.)
·After all installation is completed, check to make sure that no refrigerant is leaking out. (The refrigerant
produces a toxic gas if exposed to flames.)
·When carrying out piping connection, take care not to let air substances other than the specified refrigerant
go into refrigeration cycle. (Otherwise, it will cause lower capacity, abnormal high pressure in the refrigeration
cycle, explosion and injury. )
·Be sure to establish an earth. Do not earth the unit to a utility pipe, arrester, or telephone earth. Incomplete
earth may cause electrical shock. (A high surge current from lightning or other sources may cause damage to
the air conditioner.)
·An earth leakage circuit breaker may be required depending on site condition to prevent electrical shock.
(Failure to do so may cause electrical shock. )
·Disconnect the power supply before completion of wiring, piping, or checking the unit.
·Be careful when moving the indoor unit and outdoor unit. Do not make the outdoor unit incline over
45 degree. Please avoid being hurt by the sharp edge of the air conditioner.
·During wired controller installation, ensure that the length of the wire between the indoor unit and wired controller
is within 40 meters.
CAUTION
·Do not install the air conditioner in a place where there is danger of exposure to inflammable gas leakage. (If
the gas leaks and builds up around the unit, it may catch fire.)
·Establish drain piping according to the instructions of this manual. (Inadequate piping may cause flooding.)
·Tighten the flare nut according to the specified method such as with a torque wrench. (If the flare nut is
tightened too hard, the flare nut may crack after a long time and cause refrigerant leakage.)

Installation and Maintenance

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