Cooling Operation; Fan Only Operation; Heating Operation - Toshiba RAS-18SKHP-ES Service Manual

Split wall type

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(3) The indoor heat exchanger restricts revolving

speed of the fan motor to prevent a cold draft. The

upper limit of the revolving speed is shown in

Fig. 7-3-8

T c

*A+0

*A-8

Fan s peed MANUAL or AUTO in s t a r t i n g

Fan s peed AUTO in s t a b i l i t y

* No limitation while fan speed MANUAL mode is in stability.

* A: When Tsc ≥ 24, A is 24, and when Tsc < 24, A is Tsc

Tsc: Set value

[In starting and in stability]

In starting

FAN

• Until 12 minutes

AUTO

passed after operation

start

• When 12 to 25 minutes

passed after operation

start and room temp.

is 3°C or lower than

set temp.

FAN

• Room temp. < Set

Manual

temp.–4°C

Fig. 7-3-8 Cold draft preventing control

(4) In order to prevent cold draft when compres s or

during heating operation.T hen louver will move

to upper pos ition and fan s peed will reduce or

OF F .

Fan s peed AUT O

F an s peed MANUAL

L-H (Up to

Normal AUT O

s etting s peed)

Line-approximate

H and SL with T c.

SL (W2)

Stop

In stability

• When 12 to 25 minutes

passed after opeartion

start and room temp.

is than (set

)

3°C

between preset

• When 25 minutes or

more passed after

operation start

• Room temp.

Set

temp. –3.5°C

7-3-5. Automatic operation

([MODE] button on the remote control is set

to the automatic operation.)

(1) One of 3 operations (Cooling, Fan only or Heating)

is selected according to difference between the

preset temperature and the room temperature at

which the automatic operation has started, as

shown in Fig. 7-3-9. The Fan only operation

continues until the room temperature reaches a

level at which another mode is selected.

(2) Temporary Auto

When the [RESET] button on the indoor unit

is pushed, the preset temperature is fixed at 24°C

and the indoor unit is controlled as shown in

Fig. 7-3-9.

°C