Midea MCH3U-27PHH2 User Manual

75
Index 1:
 1. DC fan motor(control chip is inside fan motor)
Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor
connector. If the value of the voltage is not in the range showing in below table, the PCB must have
problems and need to be replaced.
DC motor voltage input and output
NO.
Color
Signal
Voltage
1 Red Vs/Vm 200~380V
2 --- --- ---
3 Black GND 0V
4 White Vcc 13.5~16.5V
5 Yellow Vsp 0~6.5V
6 Blue FG 13.5~16.5V

Midea MCH3U-27PHH2 Specifications

General

Brand	Midea
Model	MCH3U-27PHH2
Category	Air Conditioner
Language	English