Lennox MWHA009S4, Service Manual

Page: 29 / 52

29
4-WAY VALVE
OU TDOOR
FA N
CN 7
3
PAN
HEATER
C
N
1
5
C
N
6
0
CRANKCASE
HEATER
C
N
17
BLUE
BROWN
BLACK
3
2
L2
RED
BLUE
Y/G
1
Y/G
CN 21
Y/G
CN 1A
Y/G
Y/G
COMPRESSOR
Y/G
CN
5
0
3
U
V
W
BLUE
R
ED
BLACK
O
UT
D
OO
R
T
E
M
P
.
SE
N
S
OR
COMP
RE
S
S
OR
DI
S
C
HA
R
GE
T
E
M
P.
S
E
N
S
O
R
OU
T
DO
OR COIL
T
EM
P.
S
E
NSOR
R
ED
BL
AC
K
WH
T
IE
OUTDOOR CONTROL
T5 T3 T4
Figure 22. 09K, 12K and 18K - 208/230VAC Outdoor Unit Wiring Diagram
4-WAY
DC- FAN
CN 414
3
PAN
HEATER
C
N
1
9
CN
60
CRANKCASE
HEATER
C
N
1
6
A
M
BI
E
N
T
T
E
MP
.
S
E
N
S
OR
D
IS
C
H
AR
GE
T
E
MP
. S
ENSO
R
CN 17
.
Y/G
BLUE
BROWN 1
BLACK 3
3 2 L1L2
RED
BLUE L2
1
Y/G
Y/G
CN 3
Y/G
Y/G
COMPRESSOR
Y/G
U
V
W
BLUE
RED
BLACK
L1 L2
S
White
Red
Blue
CN 6 CN 7 CN 8 CN 2
C
N
21
W
V
U
OUTDOOR CONTROL
TP/
T5
Figure 23. 24K - 208/230VAC Outdoor Unit Wiring Diagram
12. Installation Requirements