TEST POINT DIAGRAM AND VOLTAGE MXZ-32SV - E1 , MXZ-32SV - E2

Electronic control P.C.board

Resistance (kΩ )

Discharge temperature thermistor

Gas pipe temperature thermistor

 

Evaporation temperature thermistor

 

Defrost temperature thermistor

 

 

 

 

(kΩ )

 

 

 

 

Temperature(;)

 

Resistance

 

 

 

 

 

 

 

 

 

 

Defrost temperature thermistor

 

 

 

Discharge temperature thermistor

2.5~4.0V DC

 

 

 

 

 

 

 

 

 

0.3~0.6V DC

 

 

 

 

 

 

Evaporation temperature thermistor

 

 

 

Temperature(;)

2.5~4.0V DC

 

Outdoor fan ON 12V DC

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor fan Lo 12V DC

 

 

 

Fin temperature thermistor

R.V. coil

Outdoor fan Me 12V DC

 

 

{

Serial signal Room D 5~10V DC

 

12V DC

 

1.0~4.0V DC

 

 

 

 

{

 

 

 

 

 

Serial signal Room C 5~10V DC

 

 

 

 

 

 

 

 

 

{ Serial signal Room B

 

 

 

 

 

 

5~10V DC

 

 

 

 

 

{

Serial signal Room A

 

 

 

 

 

5~10V DC

 

 

 

 

 

 

Resistance (kΩ )

 

 

 

 

 

{ Relay 12V DC

 

-

 

 

 

 

 

Temperature(;)

 

 

 

 

 

 

12V DC {

 

 

 

 

 

 

+

 

 

 

 

 

 

-

 

 

 

 

 

0~5V DC

-

 

 

 

 

 

-

 

 

 

 

 

 

-

 

 

 

 

 

 

-

 

 

 

 

 

 

-

 

 

 

 

 

 

-

 

 

 

 

 

5V DC {

 

 

 

 

 

 

 

Room D

 

 

 

 

 

LED monitor indication

Room C

 

 

Liner expansion valve(LEV)

 

Room B

{ High pressure switch

 

 

Room A

12V DC pulse wave

 

 

Gas pipe temperature

 

 

 

 

 

 

thermistor 2.5~4.0V DC

 

 

 

 

 

 

34

 

 

 

 

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Mitsubishi Electronics Test Point Diagram and Voltage MXZ-32SV E1 , MXZ-32SV E2, Electronic control P.C.board