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HVAC

25

HVAC

Refer HVAC overhauling for removal and installa-

tion process

INSPECTION

1. Dip the sensor in ice water and measure the resistance with a digital multimeter.

2. Then pour hot water into it and check for change in resistance between pin 1 and pin 2 of the thermister.

3. The resistance should decrease as per the above graph and table.

!CAUTION

When checking the resistance the temperature should not exceed the range of -40

0

Cto 85

0

C

.