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TOSHIBA 1075000646_EN

Address setting

When the power is turned on for the first time after installation,

lamp lights up for approximately 5 minutes

for setting of addresses of systems and units. When the power is turned on the next time,

lamp lights up for

approximately 1 minute.
While the above lamp is on, all the commands from the remote control cannot be received. However, this is not a
malfunction or failure.

Three-minute protection feature

A protection feature prevents the air conditioner from being activated for approximately 3 minutes when it is restarted
immediately after operation or when the power supply switch is set to on. This will protect the machine.

Heating characteristics
Preheating operation

The air conditioner will not deliver warm air immediately after it is started.
Warm air flows out after approximately 5 minutes when the indoor heat exchanger warms up.
(The

lamp is on during this intervals indicating the preheating operation.)

Warm air control

When the room temperature reaches the set temperature, the fan indoor speed is automatically reduced to prevent a
cold draft.

Defrosting

If the outdoor unit is frosted during heating operation, defrosting is started automatically (for approximately
5 to 10 minutes) to maintain the heating effect, and the

lamp is on. (In this time the flap operated automatically.)

•

The fans in both the indoor and outdoor units stop during the defrost operation.

•

During defrost operation, defrosted water is drained from the bottom plate of the outdoor unit.

Heating capacity

In the heating operation, heat is absorbed from outdoors and released into the room. That is called the heat pump
system. When the outdoor temperature is too low, to use another heating apparatus in combination with the
air conditioner is recommended.

Consideration for accumulated snow

Select the position for the outdoor unit where it will not be subjected to snow drifts, accumulation of leaves or other
seasonal debris. It is important that the air flow of the outdoor unit is not impeded as this will result in reduced heating
or cooling performance. During the heating mode, and at sub-zero temperatures, the water drained off the outdoor unit
as a result of the automatic defrost may accumulate and freeze. It is important that adequate drainage or a soak-way is
provided.

Power failure

In case of Auto restart is not setting, power failure during operation will stop the unit completely.

•

The STAND BY (

) lamp goes on approximately 1 minute when power is restored.

•

To restart operation, push the START/STOP button on the remote control.

Air conditioner operating conditions

For proper performance, operate the air conditioner under the following temperature conditions:

AIR CONDITIONER OPERATIONS AND PERFORMANCE

Cooling operation

Outdoor temperature : –5

C to 43

C (RAV-SM***AT-E)

: –15 to 43

C (RAV-SP***AT-E)

Room temperature

: 21

C to 32

C (Dry valve temp.)

: 15

C to 24

C (Wet valve temp.)

CAUTION

Room relative humidity – less than 80 %. If the air conditioner operates in
excess of this figure, the surface of the air conditioner may cause dewing.

Heating operation

Outdoor temperature : –15

C to 15

C (Wet valve temp.)

Room temperature

: 15

C to 28

C (Dry valve temp.)

If the air conditioner is used in conditions other than above, safety protection features may come into operation.

01(EN)_1075000646 P21-28

7/16/04, 13:35