Midea MUEU-18HRFNX-QRD0W, Service Manual

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 Wiring Diagrams 
C.Micro-switch SW3 is for selection of auto-restart function.
Range: Active, inactive
SWITCH
FOR MODE-PRIOR SETTING
ON
S T A T E
M O D E H E A T
F a c t o r y
S e t t i n g
ON
1 2
ON
1 2
ON
1 2
ON
1 2
H E A T C O O L
C O O L
SW5
D.
Micro-switch SW5 is for setting mode priority of multi connection.
Range: Heat, cool.
E.Micro-switch SW6 is for selection of temperature compensation in heating mode. This helps to
reduce the real temperature difference between ceiling and floor so that the unit could run properly.
If the height of installation is lower, smaller value could be chosen.
Range: 6
o
C, 4
o
C, 2
o
C, E function (reserved for special customizing)
SWITCH
FOR COOLING & HEATING
SW7
ON
S T A T E
M O D E
C O O L I N G &
H E A T I N G
C O O L I N G
O N L Y
ON
ON
F a c t o r y
S e t t i n g
OR COOLING ONLY
SETTING
F.Micro-switch SW7 is for setting cooling &heating or cooling only.
Range: cooling &heating, cooling.