TEST POINT DIAGRAM AND VOLTAGE MXZ-24UV - E1 , MXZ-24UV - 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 |
|
|
|
|
| |
2.5~4.0V DC |
|
| Outdoor fan ON 12V DC |
| Temperature(;) | |
|
|
|
| |||
|
|
| Outdoor fan Lo 12V DC |
|
|
|
Fin temperature thermistor | R.V. coil | Outdoor fan Me 12V 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 { |
|
|
|
|
| |
| 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 |
|
|
| |
|
| 33 |
|
|
|
|