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7-7. Damper

Function
The damper supplies the cold air at freezer room to chillroom
by using the damper's plate. Chillroom is colder than before
when damper's plate is open. When damper's plate is close,
chillroom's temperature will rise.
How to
Measure
Check the 2 , 4
Check the resistance between connectors 1,3 and 2,4 .It means
check whether or not applying an electric current. If there is
resistance, it means the damper not inferiority
Standard
Damper
Red and Yellow
< Damper Circuit >
1 Blue
2 Red
3 White
4 Tellow
Test Points
Result
373 ~ 456
Check the 1 , 3
Test Points
Blue and White
- 50 -
1 Blue
3 White
Checj the 1 , 3
extension
Result
373 ~ 456

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