Midea 18K - Page 39

 Page 39 
• Wiring for 3H and 2C thermostat:
• Wiring for 2H and 2C thermostat:
• Wiring for 2H and 1C thermostat:
Wiring
S4-1 DIP switch o
Perform disconnection and
short-circuit to achieve
partition, control or dehumidication
S4-2 DIP switch o
Disconnect and short
circuit to realize heating
segment
R L G B W E
C
Y1
DH
W1 W2
R B W D L
C
Y1
Y2
INDOOR UNIT
DH
O/B
Y2
Y1
G
L
C
R
W1/E
THERMOSTAT
R L G B W E
C
Y1
DH
W1 W2
R B W D L
C
Y1
Y2
INDOOR UNIT
OUTDOOR UNIT
O/B
Y2
Y1
G
C
R
THERMOSTAT
S4-2 DIP switch o
Disconnect and short
circuit to realize heating
segment
R L G B W E
C
Y1
DH
W1 W2
R B W D L
C
Y1
Y2
INDOOR UNIT
OUTDOOR UNIT
O/B
Y
G
C
R
W/E
THERMOSTAT