Page 10
IM 820
Wiring Diagrams
RETURN AIR SENSOR
INDOOR COIL SENSOR
ROOM
ID
OD
WIRED
WALL
CONTROL
(OPTIONAL)
WIRELESS
REMOTE
CONTROLLER
CN4
CN6
JH
TRANSFORMER
L
COMP.
N1
N2
LIVE
AS
LOW MED
HIGH
BLUE
RED
AS
WHITE
BLUE
YELLOW
FH
FM
FL
GREEN/YELLOW
COMP.
N
NOTE: DISCONNECT CN6
IF CN4 IS USED
KEY:
---- - FIELD SUPPLY WIRING
AS - AIR SWING MOTOR
L
N
WHITE
BLACK
BLACK
RED
G/Y
L1
L2
}
208/230V
1 PHASE
60Hz
FAN
MOTOR
COMPRESSOR
C
S
R
CAPACITOR
CAPACITOR
BROWN
RED
BLUE
BLUE
BLUE
BLUE
RED
WHITE
COMP
N
GREEN/YELLOW
BROWN
RED
WHITE
BLACK
GREEN/YELLOW
FAN MOTOR
IC
AC
MC
BLACK
MODEL MCM20D/25D INDOOR UNIT- COOLING ONLY
MODEL MLC20B/25B OUTDOOR UNIT
12 GA. WIRE