2.Outdoor fan control (Object: SM560)

The outdoor fan is controlled by TO sensor and the revolutions frequency of the compressor (rps).

The outdoor fan is controlled by every 1 tap of DC fan control (8 taps). According to each operation mode, the fan is operated by selecting an outdoor fan operation tap in the following table based upon the conditions of TO sensor and the compressor operation (rps).

Allocations of fan tap revolutions

 

Tap

F1

F2

F3

F4

F5

F6

F7

F8

 

 

 

 

 

 

 

 

 

 

SM560

Revolutions per

960

870

870

870

750

700

540

390

minute (rpm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

In cooling operation

Frequency of the

To 14

To 14

35 to MAX

compressor (rps)

 

 

 

 

 

 

 

TO 38°C

F7

F4

F3

 

 

 

 

TO < 38°C

F7

F5

F4

 

 

 

 

In heating operation

Frequency of the

To 14

To 14

35 to MAX

compressor (rps)

 

 

 

 

 

 

 

TO 5.5°C

F7

F6

F4

 

 

 

 

TO < 5.5°C

F6

F6

F3

 

 

 

 

3.Coil heating control

1)This control function heats the compressor by turning on the stopped compressor instead of a case heater. It purposes to prevent slackness of the refrigerant inside of the compressor.

2)As usual, turn on power of the compressor for the specified time before a test run after installation, otherwise a trouble of the compressor may be caused. As same as a test run, it is recommended to turn on power of the compressor beforehand when starting operation after power of the compressor has been interrupted for a long time.

3)A judgment for electricity is performed by TD and TO sensors. If TO sensor is defective, a backup control is automatically performed by TE sensor. For a case of defective TO sensor, judge it with the outdoor LED display.

4)Coil heating is controlled by TD and TE sensor.

5)For every model, the power is turned off when TD is 30°C or more.

(In trouble of sensor)

TO [ C]

18

Power-ON condition 15

TD < 30 C10

8

 

TO [ C]

No power-ON

20

18

 

Continuous ON (L)

12

 

10

Continuous ON (M)

 

No power-ON

Continuous ON (L)

Continuous ON (M)

* TD sensor is read in once per 15 minutes.

 

(Object: SM560)

TO [ C]

10

 

 

No power-ON

 

 

9

 

 

 

4

 

 

Continuous ON (L)

3

 

 

 

2

 

 

Continuous ON (M)

1

 

 

 

 

 

 

Continuous ON (H)

 

 

 

 

SM800

L20W and equivalent M 40W and equivalent

SM560

L10W and equivalent M 20W and equivalent

H 30W and equivalent

62

Page 62
Image 62
Toshiba RAV-SM560UT-E Outdoor fan control Object SM560, Allocations of fan tap revolutions, Cooling operation

RAV-SM800BT-E, RAV-SM560BT-E, RAV-SM560AT-E, RAV-SM560UT-E, RAV-SM800UT-E specifications

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