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Page 14
IM 820
RETURN AIR SENSOR
INDOOR COIL SENSOR
ROOM
ID
OD
WIRED
WALL
CONTROL
(OPTIONAL)
CN4
CN6
JH
RMODE
CN3
TRANSFORMER
L
COMP.
N1
N2
LIVE
4WV
DDH
WTP
AS
LOW MED
HIGH
WHITE
RED
RED
RED
BLUE
AS
WHITE
BLUE
YELLOW
FH
FM
FL
BLACK
RED
A.C.
I.C.
MC
FAN MOTOR
GREEN/YELLOW
KEY:
---- - FIELD SUPPLIED WIRING
AS - AIR SWING MOTOR
4WV - 4 WAY VALVE
208-230V
1 PH
60Hz
L2
*10A FUSE
REDRED
REDRED
21
L2
L3
22
T2
T3
A2
A1
BLUE
COMP.
L
N
RED
BLUE
C
R
S
COMPRESSOR
{
*NOTE: FIELD INSTALL 10A FUSE
IN BLUE AND RED WIRE AS SHOWN
MODEL MCM 30DR INDOOR UNIT - HEAT PUMP
MODEL MLC30CR - OUTDOOR UNIT
A
4WV
L
N
BLUE
*10A FUSE
RED
G/Y
HIGH
PRESSURE
SWITCH
RED
RED
TO OUTDOOR
DEFROST SENSOR
OF
GREEN/YELLOW
COMP.
OF
4WV
A
BLUE
BLACK
BROWN
BLACK
L1
T1
BLUE
WHITE
WHITE
CRANKCASE
HEATER
GREEN/YELLOW
WHITE
BLUE
BROWN
BROWN
FAN
MOTOR
WHITE
BLACK
BLACK
RED
O/D COIL SENSOR
4WV
BLACK
LOW VOLTAGE CABLE TO
OUTDOOR COIL SENSOR
12 GA. WIRE
L
N
L1
WHITE
BROWN
BLACK
WHITE
NOTE:
DISCONNECT CN6
IF CN4 IS USED:
WHITE
13
14
BLUE
BLACK
WIRELESS
REMOTE
CONTROLLER