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Precaution for Safety
The manufacturer shall not assume any liability for the damage caused by not observing the description of this
manual.
WARNING
DENGER
General
Before starting to repair the air conditioner, read carefully through the Service Manual, and repair
the air conditioner by following its instructions.
Only qualified service person (∗1) is allowed to repair the air conditioner.
Repair of the air conditioner by unqualified person may give rise to a fire, electric shocks, injury,
water leaks and/or other problems.
Only a qualified installer (∗1) or qualified service person (∗1) is allowed to carry out the electrical
work of the air conditioner.
Under no circumstances must this work be done by an unqualified individual since failure to carry
out the work properly may result in electric shocks and/or electrical leaks.
Wear protective gloves and safety work clothing during installation, servicing and removal.
When connecting the electrical wires, repairing the electrical parts or undertaking other electrical
jobs, wear gloves to provide protection for electricians and from heat, insulating shoes and
clothing to provide protection from electric shocks.
Failure to wear this protective gear may result in electric shocks.
Use wiring that meets the specifications in the Installation Manual and the stipulations in the local
regulations and laws. Use of wiring which does not meet the specifications may give rise to
electric shocks, electrical leakage, smoking and/or a fire.
Only a qualified installer (∗1) or qualified service person (∗1) is allowed to undertake work at heights
using a stand of 50 cm or more or to remove the intake grille of the indoor unit to undertake work.
When working at heights, use a ladder which complies with the ISO 14122 standard, and follow
the procedure in the ladder’s instructions.
Also wear a helmet for use in industry as protective gear to undertake the work.
When working at heights, put a sign in place so that no-one will approach the work location,
before proceeding with the work.
Parts and other objects may fall from above, possibly injuring a person below.
Do not touch the aluminum fin of the outdoor unit.
You may injure yourself if you do so. If the fin must be touched for some reason, first put on
protective gloves and safety work clothing, and then proceed.
Do not climb onto or place objects on top of the outdoor unit.
You may fall or the objects may fall off of the outdoor unit and result in injury.
When transporting the air conditioner, wear shoes with additional protective toe caps.
When transporting the air conditioner, do not take hold of the bands around the packing carton.
You may injure yourself if the bands should break.
This air conditioner has passed the pressure test as specified in IEC 60335-2-40 Annex EE.
Turn off
breaker.
Before carrying out the installation, maintenance, repair or removal work, be sure to set the circuit
breaker to the OFF position. Otherwise, electric shocks may result.
Before opening the intake grille of the indoor unit or service panel of the outdoor unit, set the
circuit breaker to the OFF position. Failure to set the circuit breaker to the OFF position may result
in electric shocks through contact with the interior parts.
Only a qualified installer (∗1) or qualified service person (∗1) is allowed to remove the intake grille
of the indoor unit or service panel of the outdoor unit and do the work required.
Before starting to repair the outdoor unit fan or fan guard, be absolutely sure to set the circuit
breaker to the OFF position, and place a “Work in progress” sign on the circuit breaker.
When cleaning the filter or other parts of the indoor unit, set the circuit breaker to OFF without
fail, and place a “Work in progress” sign near the circuit breaker before proceeding with the work.