Toshiba MMU-AP0072WH Installation Manual Download Page 6

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SMMS 2-way Air Discharge Cassette Type

Installation Manual

EN-9

EN-10

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.

• If you have discovered that the fan grille is damaged, do not approach the outdoor unit but set the circuit breaker to

the OFF position, and contact a qualified service person (*1) to have the repairs done. Do not set the circuit breaker
to the ON position until the repairs are completed.

• After the installation work, follow the Owner’s Manual to explain to the customer how to use and maintain the unit.

Relocation

• Only a qualified installer (*1) or qualified service person (*1) is allowed to relocate the air conditioner. It is dangerous

for the air conditioner to be relocated by an unqualified individual since a fire, electric shocks, injury, water leakage,
noise and/or vibration may result.

• When carrying out the pump-down work shut down the compressor before disconnecting the refrigerant pipe.

Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air,
etc. to be sucked in, raising the pressure inside the refrigeration cycle to an abnormally high level, and possibly
resulting in rupture, injury or other trouble.

CAUTION

New Refrigerant Air Conditioner Installation

• THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT (R410A) WHICH DOES NOT DESTROY

OZONE LAYER.

• The characteristics of R410A refrigerant are; easy to absorb water, oxidizing membrane or oil, and its pressure is

approx. 1.6 times higher than that of refrigerant R22. Accompanied with the new refrigerant, refrigerating oil has
also been changed. Therefore, during installation work, be sure that water, dust, former refrigerant, or refrigerating
oil does not enter the refrigerating cycle.

• To prevent charging an incorrect refrigerant and refrigerating oil, the sizes of connecting sections of charging port of

the main unit and installation tools are changed from those for the conventional refrigerant.

• Accordingly the exclusive tools are required for the new refrigerant (R410A).
• For connecting pipes, use new and clean piping designed for R410A, and please care so that water or dust does

not enter.

To Disconnect the Appliance from Main Power Supply

• This appliance must be connected to the main power supply by means of a switch with a contact separation of at

least 3 mm.

The installation fuse (all types can be used) must be used for the power
supply line of this conditioner.

(*1) Refer to the “Definition of Qualified Installer or Qualified Service Person.”

ACCESSORY PARTS

Accessory parts

Separate sold parts

• The Ceiling panel and remote controller are sold separately. For the installation of these products, follow the

Installation Manuals supplied with them.

• The wireless type remote controller is designed to be installed by attaching a wireless remote controller kit (sold

separately) to the standard panel. (The wireless remote controller kit consists of a wireless remote controller and
adjust corner caps with a receiver section.)

Part name

Quantity

Shape

Usage

Installation Manual

This manual

Be sure to hand over to customers.

CD-ROM (Installation Manual)

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(For other languages that do not appear in this
Installation Manual, please refer to the enclosed
CD-ROM.)

Installation pattern

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