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Manual Hitachi RAC-25YHA Air Conditioner

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Manual

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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

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Specifications

Brand	Hitachi
Model	RAC-25YHA
Category	Air Conditioners
File type	PDF
File size	0.78 MB

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Frequently Asked Questions about Hitachi RAC-25YHA Air Conditioner

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

How often should I clean or replace the filters in my air conditioner? Verified

It's advisable to check the filters of your air conditioner 4 times a year. Dirty filters can be cleaned with the use of a vacuum cleaner or can be washed, depending on which type they are. During maintenance a professional should judge whether it is time to replace the filters.

This was helpful (2676) Read more

What does BTU stand for? Verified

BTU stands for British Thermal Unit. This is unit to indicate the capacity to cool.

This was helpful (944) Read more

Does every air conditioner also function as a dehumidifier? Verified

The cold air produced by an air conditioner often has a relatively low humidity. However, the effect is less than when using an actual dehumidifier. Some air conditioners do have a special feature to dehumidify the air.

This was helpful (702) Read more

What is R-410A? Verified

R-410A is a cooling agent that is used in appliances that cool up to 0°C, like refrigerators and air conditioners. It is the replacement of older cooling agents and does not damage the ozon layer.

This was helpful (478) Read more

Can I place my mobile air conditioner in a cabinet to get it out of sight? Verified

No, absolutely not. A mobile air conditioner needs space to allow airflow and air intake. In a small space the device can overheat.

This was helpful (345) Read more

What is the best place to mount the indoor unit of a split-type air conditioner? Verified

This depends on the space, but in general the following rules can be followed. Make sure that there is nothing obstructing the airflow. Make sure the location is accessible for maintenance. Mount the unit at least 2 meters from the ground.

This was helpful (345) Read more

Does an air conditioner have a negative influence on air quality? Verified

If the air conditioner has been properly maintained then it will have no influence on air quality. If for example a filter hasn't been replaced for a long time, or other maintenance has not been performed, than an air conditioner can produce dirty air.

This was helpful (340) Read more

Why is the filter light on my (N6 Series) indoor unit on? Verified

When the machine has functioned for over 100 hours this light will burn to indicate the filters need cleaning. Clean the filter and put it back. The light will stop burning when you press "Auto Swing" on the remote control while the device is turned off (standby mode).

This was helpful (59) Read more