Midea MRBT-100CWN1-D - Page 69

60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01
68
15.3 Field wiring
To connect with wired controller
The wired controller KJR-12B can be used when the SW3 is on “on”, if the SW3 is on ‘1”, the wired controller
KJR-23B or KJR-25B can be used. After setting, please shut off the power supply and then power to it again,
otherwise, the new setting function will be invalid
For Cooling Units
R
Y C
G
( )
For C/O Units
CN9
MAIN CONTROL BOARD
SW3
CN7
CN36
GREEN
YELLOW
RED
WHITE
XT2
TO THE WIRE CONTROLLER
ON
1
KJR-12B
B
A
C
D
E
BROWN
RED
YELLOW
BLACK
WHITE
5-terminal
Group
For Cooling +EAH Units
KJR-12B
B
A
C
D
E
BROWN
RED
YELLOW
BLACK
WHITE
5-terminal
Group
R
Y C
G
( )
W
BLUE
CN9
MAIN CONTROL BOARD
SW3
CN7
CN36
GREEN
YELLOW
RED
WHITE
XT2
TO THE WIRE CONTROLLER
ON
1
For Heating &cooling Units
KJR-12B
B
A
C
D
E
BROWN
RED
YELLOW
BLACK
WHITE
5-terminal
Group
R
Y C
G
( )
B
BLUE
CN9
MAIN CONTROL BOARD
SW3
CN7
CN36
GREEN
YELLOW
RED
WHITE
XT2
TO THE WIRE CONTROLLER
ON
1
Remark: Two stage capacity controlling is optional.
R
Y
(C)
G
For C/O Units
R
Y
(C)
G
W
R
Y
(C)
G
B