
– 7 –
WARNING
General
Before starting to repair the air conditioner, read carefully through the Service Manual, and repair the air
conditioner by following itsinstructions.
Electric
shock
hazard
Prohibition
Only qualified service person (
∗
1) isallowed to repair the air conditioner. Repair of the air conditioner by
unqualified person may give rise to afire, electric shocks, injury, water leaksand/or other problems.
Only aqualified installer (
∗
1) or qualified service person (
∗
1) isallowed to carry out the electrical work of
the air conditioner. Under no circumstancesmust thiswork be done by an unqualified individual since failure
to carry out the work properly may result in electric shocksand/or electrical leaks.
Wear protective glovesand safety work clothing during installation, servicing and removal.
Do not use any refrigerant different from the one specified for complement or replacement.
Otherwise, abnormally high pressure may be generated in the refrigeration cycle, which may result in a
failure or explosion of the product or an injury to your body.
When connecting the electrical wires, repairing the electrical partsor undertaking other electrical jobs, wear
glovesto provide protection for electricians, insulating shoesand clothing to provide protection from electric
shocks. Failure to wear thisprotective gear may result in electric shocks.
When the air conditioner isto be transported, installed, maintained, repaired or removed, wear protective
glovesand safety work clothing.
To connect the electrical wires, repair the electrical partsor undertake other electrical jobs, wear glovesto
provide protection for electricians, insulating shoesand clothing to provide protection from electric shocks.
Failure to wear thisprotective gear may result in electric shocks.
Electrical wiring work shall be conducted according to law and regulation in the community and installation
manual. Failure to do so may result in electrocution or short circuit.
Use wiring that meetsthe specificationsin the Installation Manual and the stipulationsin the local
regulationsand laws. Use of wiring which doesnot meet the specificationsmay give rise to electric shocks,
electrical leakage, smoking and/or afire.
Only aqualified installer (
∗
1) or qualified service person (
∗
1) isallowed to undertake work at heightsusing
astand of 50 cm or more.
When working at heights, use aladder which complieswith the ISO 14122 standard, and follow the
procedure in the ladder'sinstructions. Also wear ahelmet for use in industry as protective gear to
undertake the work.
When working at heights, put asign in place so that no-one will approach the work location, before
proceeding with the work. Partsand other objectsmay fall from above, possibly injuring aperson below.
When executing address setting, test run, or troubleshooting through the checking window on the electric
partsbox, put on insulated glovesto provide protection from electric shock.
Otherwise youmay receive an electric shock.
Do not touch the aluminum fin of the outdoor unit. Youmay injure yourself if youdo so.
If the fin must be touched for some reason, first put on protective glovesand safety work clothing, and then
proceed.
Do not climbonto or place objectson top of the outdoor unit.
Yo umay fall or the objectsmay fall of the outdoor unit and result in injury.
When transporting the air conditioner, wear shoeswith additional protective toecap.
When transporting the air conditioner, do not hold the bandsaround the packing carton.
Yo umay injure yourself if the bandsshould break.
Be sure that aheavy unit (10 kg or heavier) such as acompressor iscarried by four persons.
Thisair conditioner has passed the pressure test as specified in IEC 60335-2-40 Annex EE.
When youaccess inside of the electric cover to repair electric parts, wait for about five minutesafter turning
off the breaker. Do not start repairing immediately. Otherwise youmay get electric shock by touching
terminalsof high-voltage capacitors. Natural discharge of the capacitor takesabout five minutes.
Place a"Work in progress" sign near the circuit breaker while the installation, maintenance, repair or
removal work isbeing carried out. There isadanger of electric shocksif the circuit breaker isset to ON by
mistake.
When checking the electric parts, removing the cover of the electric partsbox of Indoor Unit and/ or front
panel of Outdoor Unit inevitably to determine the failure, put asign "Do not enter" around the site before
the work. Failure to do thismay result in third person getting electric shock.
Before operating the air conditioner after having completed the work, check that the electrical partsbox
cover of the indoor unit and service panel of the outdoor unit are closed, and set the circuit breaker to the
ON position. Youmay receive an electric shock if the power isturned on without first conducting these checks.
(∗1) Refer to the “Definition of Qualified Installer or Qualified Service Person.”