Toshiba MCY-MUG0401HSW-E Service Manual page 10

WARNING
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.
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.
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.
When the air conditioner is to be transported, installed, maintained, repaired or removed, wear protective gloves
and 'safety' work clothing.
To connect the electrical wires, repair the electrical parts or undertake other electrical jobs, wear gloves to
provide protection for electricians, insulating shoes and clothing to provide protection from electric shocks.
Failure to wear this protective 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 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.
General
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.
Before 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. While carrying out
the work, wear a helmet for protection from falling objects.
When executing address setting, test run, or troubleshooting through the checking window on the electric parts
box, put on insulated gloves to provide protection from electric shock. Otherwise you may receive an electric
shock.
Do not touch the aluminum fin of the 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 the outdoor unit and result in injury.
Use forklift truck to carry in the air conditioner units and use winch or hoist at installation of them
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.
Be sure that a heavy unit (10 kg or heavier) such as a compressor is carried by two persons.
Before troubleshooting or repair work, check the earth wire is connected to the earth terminals of the main unit,
otherwise an electric shock is caused when a leak occurs. If the earth wire is not correctly connected, contact
an electric engineer for rework.
After completing the repair or relocation work, check that the earth wires are connected properly.
Check earth
Connect earth wire. (Grounding work) Incomplete earthing causes an electric shock.
wires.
Do not connect earth wires to gas pipes, water pipes, and lightning rods or earth wires for telephone wires.
(*1) Refer to the "Definition of Qualified Installer or Qualified Service Person"
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