Toshiba RAV-SM1603ATZG-E, RAV-SM1603DT-A service manual Outdoor fan control, Operation with WE, 65

Models: RAV-SM1403DT-A RAV-SM1603ATZ-E RAV-SM1603ATZG-E RAV-SM1603DT-A

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4. Outdoor fan control

4. Outdoor fan control

Allocations of fan tap revolutions [rpm]

SM160

W1

W2

W3

W4

W5

W6

W7

W8

W9

WA

WB

WC

WD

WE

WF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High

250

260

260

320

380

480

500

530

610

640

660

720

720

720

780

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low

240

300

400

500

520

550

630

660

700

740

740

740

820

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1)Cooling fan control

Q The outdoor fan is controlled by TE, TD, and TO sensors and also revolution frequency of the opera- tion. The outdoor is controlled by every 1 tap of DC fan control (15 taps).

R Only during 60 seconds after the operation has started, the fan is fixed with the maximum fan tap which corresponds to the zone in the following table.

After then the fan is controlled by TE sensor temperature.

S Considering a case that TE sensor has come out of the holder, the fan is controlled so that revolution frequency of the fan increases regardless of TE if temperature of TD sensor has risen.

a

b

SM160

37

34

Operation with WE

TE [˚C]

TD [˚C]

 

 

+1 tap/20 seconds

85

 

 

 

 

 

 

a

 

80

 

rpm hold

Operation with

 

 

 

 

 

75

maximum tap in

b

 

each zone

–1 tap/20 seconds

 

65

Usual fan control

 

 

 

(The operation frequency differs according to the model type.)

Temp. range

Below 30Hz

Above 30 Hz below 45 Hz

Above 45 Hz

 

 

 

 

 

 

Min.

Max.

Min.

Max.

Min.

Max.

 

 

 

 

 

 

 

 

 

 

 

 

29°C < TO

W5

WA

W7

WC

W9

WE

15

< TO < 29°C

W3

W7

W5

W9

W7

WB

5

< TO < 15°C

W2

W5

W4

W7

W6

W9

0

< TO <

5°C

W1

W3

W3

W5

W4

W7

–5 < TO <

0°C

W1

W2

W2

W4

W3

W5

 

TO < –5°C

OFF

OFF

OFF

W3

OFF

W3

 

 

 

 

 

 

 

 

 

TO error

W1

WE

W1

WE

W1

WE

 

 

 

 

 

 

 

 

 

– 65 –

Page 65
Image 65
Toshiba RAV-SM1603ATZG-E service manual Outdoor fan control, Operation with WE, 65, Allocations of fan tap revolutions rpm