Midea MUE-18HRFNX-QRD0 Technical Manual page 24

5.3 Micro-Switch Introduce:
A. Micro-switch SW1 is for setting the master or slave unit when the unit is in twin connection.
Range: Master no slave (Normal 1 drive 1 connection), Master (2 positions without difference), Slave
B. Micro-switch SW2 is for selection of indoor FAN ACTION if room temperature reaches the setponit and the compressor
stops.
Range: OFF (in 127s), Keep running.
C. Micro-switch SW3 is for selection of auto-restart function.
Range: Active, inactive
D. Micro-switch SW4 is for selection of quantity of fan motors. Same as size selection switch, this switch is for making
the PCB suitable for all series units. DO NOT change it at random unless you want to use the PCB as a spare part
Range: Single Fan, Double Fan
 Page 24 
FOR SETTING MAIN-SLAVE
ON
SW1
1 2
MAIN
MAIN
CODE
NO SLAVE
FACTORY
SETTING
FOR SETTING FAN MOTOR CONTROL
WHEN THERE IS NO DEMAND
ON
SW2
1
MO DE FAN OFF FAN ON
F AC T OR Y S ET T I NG
FOR SETTING AUTO-RESTART FOR SETTING AUTO-RESTART
ON
SW3
1
AUTO-RESTART NOT AUTO-RESTART
MODE
FACTORY SETTING
For Setting Fan Quantity
ON
SW4
1
Single
Mode
Fan
Factory
Setting
FOR SETTING TEMP.
COMPENSATION(HEATING)
ON ON
SW6
1 2 1 2
0 2
CODE
FACTORY
SETTING
ON ON ON
1 2 1 2 1 2
MAIN SLAVE
ON
1
ON
1
ON
1
Double
Fan
ON ON
1 2 1 2
According to
4
E function