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5-EN
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Toshiba 1112750201 (EN)
Installation Manual
Electrical wiring
• Only a qualifi ed installer(*1) or qualifi ed 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 unqualifi ed individual since failure to carry out
the work properly may result in electric shocks and/or electrical leaks.
• 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 specifi cations in the Installation Manual and the stipulations in the local regulations and
laws. Use of wiring which does not meet the specifi cations may give rise to electric shocks, electrical leakage,
smoking and/or a fi re.
• Be sure to connect earth wire. (Grounding work)
Incomplete grounding causes an electric shock.
• Do not connect ground wires to gas pipes, water pipes, and lightning rods or ground wires for telephone wires.
• After completing the repair or relocation work, check that the ground wires are connected properly.
• Install a circuit breaker that meets the specifi cations in the installation manual and the stipulations in the local
regulations and laws.
• Install the circuit breaker where it can be easily accessed by the agent.
• When installing the circuit breaker outdoors, install one which is designed to be used outdoors.
• Under no circumstances must the power cable be extended. Connection trouble in the places where the cable is
extended may give rise to smoking and/or a fi re.
• 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/short circuit.
Test run
• Before operating the air conditioner after having completed the work, check that the front panel of the indoor unit
and service panel of the outdoor unit are closed, and set the circuit breaker to the ON position. You may receive an
electric shock if the power is turned on without fi rst conducting these checks.
• When you have noticed that some kind of trouble (such as when an error display has appeared, there is a smell of
burning, abnormal sounds are heard, the air conditioner fails to cool or heat or water is leaking) has occurred in the
air conditioner, do not touch the air conditioner yourself but set the circuit breaker to the OFF position, and contact a
qualifi ed service person. Take steps to ensure that the power will not be turned on (by marking “out of service” near
the circuit breaker, for instance) until qualifi ed service person arrives. Continuing to use the air conditioner in the
trouble status may cause mechanical problems to escalate or result in electric shocks, etc.
• After the work has fi nished, be sure to use an insulation tester set (500V Megger) to check the resistance is 1 M
Ω
or more between the charge section and the non-charge metal section (Earth section). If the resistance value is low,
a disaster such as a leak or electric shock is caused at user’s side.
• Upon completion of the installation work, check for refrigerant leaks and check the insulation resistance and water
drainage. Then conduct a test run to check that the air conditioner is operating properly.
Explanations given to user
• Upon completion of the installation work, tell the user where the circuit breaker is located. If the user does not know
where the circuit breaker is, he or she will not be able to turn it off in the event that trouble has occurred in the air
conditioner.
• After the installation work, follow the Owner’s Manual to explain to the customer how to use and maintain the unit.
Relocation
• Only a qualifi ed installer(*1) or qualifi ed service person(*1) is allowed to relocate the air conditioner. It is dangerous
for the air conditioner to be relocated by an unqualifi ed individual since a fi re, electric shocks, injury, water leakage,
noise and/or vibration may result.
(*1) Refer to the “Defi nition of qualifi ed Installer or qualifi ed service person.”
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