Lennox MLB Series

25
1 23L1 L2
INDOOR UNIT
POWERSUPPLY
RED
BLUE
CN6 CN8
CN7
CN2
CN19CN16
V U
W
Y
/
G
Y
/
G
CN2 7/8INPUT 230V AC
CN414OUTPUT0~310VAC
CN60 OUTPUT 230V AC
CN17 OUTPUT 0~5V DC
CN16 OUTPUT 230V AC
CN19 OUTPUT 230V AC
CN27/28/29 OUTPUT 0~310V AC
EARTHN-INL-IN S
MAIN BOARD
WIRING DIAGRAM
D
i
s
c
h
a
r
g
e
T
E
M
P
.
S
e
n
s
o
r
A
m
b
i
e
n
t
T
E
M
P
.
S
e
n
s
o
r
C
o
n
d
e
n
s
e
r
T
E
M
P
.
S
e
n
s
o
r
T3
T4
DC FAN
Y
/
G
Y
/
G
CN18 OUTPUT 0~12VDC
T3 T4
CN17
T.M.P_Sensor
Y
/
G
EEV
CN18
EEV
T5
T5
Figure 38. 208/230V MPC024S4S-*P Outdoor Unit Wiring Diagram