85
5-13. Fan Motor (BLDC) Drive Circuit
5. Circuit Descriptions
Voltage of motor
Remark
Measure b
(F-FAN)
Measure C
(R-FAN)
Measure d
(C-FAN)
In the normal operation, MICOM
No. 40, 41 and 42 applies a
constant frequency; and
MICOM defects the signal to
check the failure of motor.
(frequency(Hz)×12 = motor rpm)
High
11.1V
10V
10V
Low
10V
10V
8.3V
Under the conditions, the fans will be operated in 2 options, such as High
and Low mode. Generally, it is operated in the High mode during a day time
and in the Low mode at night.
Note
1-3) When the motor rpm is in 600
∼
700, it will stop automatically and it tries to
resume after 10 seconds. If the motor is not working properly after 5 time trials,
it will rest for 10 minutes, then try to resume again. This process will be done
continuously.
Содержание RS277ACPN
Страница 14: ...15 1 7 Dimensions of Refrigerator inches 1 Product Information...
Страница 17: ...18 1 10 Cooling Air Circulation 1 Product Information Freezer Refrigerator...
Страница 47: ...48 4 Troubleshooting and major adjustment 4 1 Troubleshooting 4 1 1 If power is not ON Double Click...
Страница 51: ...52 4 Troubleshooting and major adjustment 4 1 Troubleshooting 4 1 5 If alarm sound Double Click...
Страница 53: ...54 4 1 Troubleshooting 4 1 7 If fan doesn t work 4 Troubleshooting and major adjustment Double Click...
Страница 70: ...71 5 1 Block diagram 5 Circuit Descriptions Double Click...
Страница 71: ...72 5 2 SCHEMATIC DIAGRAM 5 Circuit Descriptions Double Click...
Страница 72: ...73 5 3 WIRING DIAGRAM 5 Circuit Descriptions Double Click...
Страница 74: ...75 5 5 CONNECTOR ARRANGEMENT Main Board 5 Circuit Descriptions Double Click...
Страница 87: ...88 5 17 Load Drive Circuit 5 Circuit Descriptions Double Click...
Страница 92: ...93 6 Reference Information 6 2 Model name nomenclature...
Страница 93: ...94 The End Thank you...