Safety Precaution; Precautions During Installation - Hitachi RAF-25NXA1 Instruction Manual

Split type air conditioner indoor unit/outdoor unit

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Table Of Contents

Table of Contents

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

• Pay special attention to signs of "

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.)

This sign in the figure indicates prohibition.

• 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.

WARNING

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 or fire.

• 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.

CAUTION

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

• Make sure that a single phase 220V or 230V or 240V power source is used.

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

lead to fire.

PRECAUTIONS DURING SHIFTING OR MAINTENANCE

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

and remove plug from the socket. 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

WARNING

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.

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

PROHIBITION

• Do not use any conductor as fuse wire, this could cause fatal accident.

WARNING

"OFF"

• Spray cans and other combustibles should not be located within a meter of the air

outlets of both indoor and outdoor units.

As a spray can's internal pressure can be increased by hot air, a rupture may result.