No.

Item

Outline of specifications

Remarks

 

 

 

 

7

Freeze

1) The cooling operation (including Dry operation) is

Tcj : Indoor heat ex-

 

preventive

performed as follows based on the detected tempera-

changer sensor

 

control

ture of Tc sensor or Tcj sensor.

temperature

 

(Low

When [J] zone is detected for 6 minutes (Following

 

 

temperature

 

 

figure), the commanded frequency is decreased from

 

 

release)

the real operation frequency. After then the com-

 

 

 

manded frequency changes every 30 seconds while

 

 

 

operation is performed in [J] zone.

 

 

 

In [K] zone, time counting is interrupted and the

 

 

 

operation is held.

 

 

 

When [I] zone is detected, the timer is cleared and the

 

 

 

operation returns to the normal operation.

 

 

 

If the commanded frequency becomes S0 because the

 

 

 

operation continues in [J] zone, the return temperature

 

 

 

A is raised from 5°C to 12°C until [I] zone is detected

 

 

 

and the indoor fan

 

 

 

operates with [M] mode.

 

(˚C)

5

I

A

K

2

J

In heating operation, the freeze-preventive control works if 4-way valve is not exchanged and the condi- tion is satisfied. (However the temperature for J zone dashing control is changed from 2°C to –5°C.)

8 High-temp

1) The heating operation is performed as follows based on

 

release control

 

the detected temperature of Tc sensor or Tcj sensor.

 

 

 

When [M] zone is detected, the commanded fre-

 

 

 

 

quency is decreased from the real operation fre-

 

 

 

 

quency. After then the commanded frequency

 

 

 

 

changes every 30 seconds while operation is per-

 

 

 

 

formed in [M] zone.

 

 

 

 

 

 

 

 

In [N] zone, the commanded frequency is held.

 

 

 

When [L] zone is detected, the commanded fre-

 

 

 

 

quency is returned to the original value by approx.

 

 

 

 

6Hz every 60 seconds.

 

 

 

 

 

 

Setup at shipment

Tc (˚C)

 

 

M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tcj A

 

 

 

 

 

Control temp (°C)

 

 

 

 

 

 

 

 

 

N

 

 

 

 

A

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

56 (54)

52 (52)

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE :

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When the operation has started or when Tc or Tcj became

Same when thermostat is

 

lower than 30°C after start of the operation, temperature

turned off.

 

is controlled between values in parentheses of A and B.

 

– 65 –

Page 65
Image 65
Toshiba RAV-SM802BT-E, RAV-SM1102CT-E, RAV-SM1102BT-E, RAV-SM1403UT-E, RAV-SM1402CT-E, RAV-SM1103UT-E Control temp C

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