Shinco KFR-25GWZ BM service manual Low voltage protection

Models: KFR-25GWZ BM KFR-25GWZ BM

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5.3 Low voltage protection

Shinco Service Manual

KFR-25GWZ/BM

 

MODE

I1

I2

I3

 

 

 

 

 

 

COOLING AND DEHUMIDIFYING

7.1

8.3

10.3

 

 

 

 

 

 

HEATING

6.3

7.5

9.5

 

 

 

 

 

KFR-35GWZ/BM

 

 

 

 

 

 

 

 

 

MODE

I1

I2

I3

 

 

 

 

 

 

COOLIGN AND DEHUMIDIFYING

8.1

9.6

11.6

 

 

 

 

 

 

HEATING

10.5

12

14

 

 

 

 

 

KFR-50GWZ/BM

 

 

 

 

 

 

 

 

 

MODE

I1

I2

I3

 

 

 

 

 

 

COOLING AND DEHUMIDIFYING

8.5

10.5

12.5

 

 

 

 

 

 

HEATING

8.5

10.5

12.5

 

 

 

 

 

KFR-70GWZ/BM

 

 

 

 

 

 

 

 

 

MODE

I1

I2

I3

 

 

 

 

 

 

COOLIGN AND DEHUMIDIFYING

12

16

18

 

 

 

 

 

 

HEATING

14

19

21

 

 

 

 

 

5.3 Low voltage protection

The compressor frequency changes as following fig. during low voltage:

When voltage value lower than 190V and keep for 10s, the low voltage protection start, and when voltage value rise to 195V and keep for 10s, the low voltage proteccion finish.

When voltage value lower than 158V, the unit turn off, when voltage rise to 162V, keep for 10s, the unit restart.

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Page 52
Image 52
Shinco KFR-25GWZ BM service manual Low voltage protection