Справочник Пользователя для Hitachi RAS-25YHA / RAC-25YHA RAS-35YHA / RAC-35YHA INDOOR UNIT

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WARNING

SAFETY PRECAUTION

• Please read the “Safety Precaution” carefully before operating the unit to ensure correct usage of the unit.

• Pay special attention to signs of “ Warning” and “ Caution”. The “Warning” section contains matters which,

if not observed strictly, may cause death or serious injury. The “Caution” section contains matters which may

result in serious consequences if not observed properly. Please observe all instructions strictly to ensure

safety.

• The signs indicate the following meanings. (The following are examples of signs.)

• Please keep this manual after reading.

• Do not reconstruct the unit.

Water leakage, fault, short circuit or ﬁre may occur if you reconstruct the unit by

yourself.

• Please ask your sales agent or qualiﬁed technician for the installation of your unit.

Water leakage, short circuit or ﬁre may occur if you install the unit by yourself.

• Please use earth line.

Do not place the earth line near water or gas pipes, lightning-conductor, or the

earth line of telephone. Improper installation of earth line may cause electric
shock.

• Be sure to use the speciﬁed piping set for R410A. Otherwise, this may result in

broken copper pipes or faults.

• A circuit breaker should be installed depending on the mounting site of the unit.

Without a circuit breaker, the danger of electric shock exists.

• Do not install the unit near a location where there is ﬂammable gas.

The outdoor unit may catch ﬁre if ﬂammable gas leaks around it. Piping shall be
suitable supported with a maximum spacing of 1m between the supports.

• Please ensure smooth ﬂow of water when installing the drain hose. If any failure

is found in the drain path, water drops from the indoor and outdoor units, causing
wet household effects.

• Make sure that a single phase 230V power source is used.

The use of other power sources may cause electrical components to overheat

and lead to ﬁre.

PROHIBITION

CONNECT EARTH LINE

PROHIBITION

WARNING

CAUTION

• Avoid an extended period of direct air ﬂow for your health.

• Should abnormal situation arise (like burning smell), please stop operating the

unit and remove plug from the socket or turn off the circuit breaker. Contact your
agent. Fault, short circuit or ﬁre may occur if you continue to operate the unit
under abnormal situation.

• Please contact your agent for maintenance.

Improper self maintenance may cause electric shock and ﬁre.

• Please contact your agent if you need to remove and reinstall the unit.

Electric shock or ﬁre may occur if you remove and reinstall the unit yourself improperly.

PROHIBITION

“OFF”

PRECAUTIONS DURING INSTALLATION

PRECAUTIONS DURING SHIFTING OR MAINTENANCE

• Do not connect the power calbe with an extension cable or do not plug too many

leads of the other electric appliance into the socket where this cable is plugged.
In addition, wire the cable with some allowances to prevent the cable from stretching.
Not doing so will cause an electrical shock, heat generation or ﬁre.

This sign in the ﬁgure indicates prohibition.

Indicates the instructions that must be followed.

• Do not bundle the power cable, pull it, put something on it, heat it, process it, or

put it between things. Breakage of the power cable may result.
Use of a damaged cable may cause an electrical shock or a ﬁre.

• Do not put objects like thin rods into the panel of blower and suction side

because the high-speed fan inside may cause danger.

PROHIBITION