Control Board - Lennox MPA009S4S-*L Installation Instructions Manual

Compressor

Control Board

Figure 29. 208/230V MPA024S4S-*P Outdoor Unit Wiring Diagram
CODE PART NAME
COMPRESSOR
COMP
OUTDOOR DC FAN
FM1
HEAT1
CRANKCASE HEATER
H EA T 2 P A N H E A T E R
H-PRO HIGH PRESSURE SWITCH
L-PRO
LOW PRESSURE SWITCH
L PFC INDUCTOR
SV
4-WAY VALVE
OUTDOOR COIL
T3
TEMP.SENSOR
T4 OUTDOOR TEMP.SENSOR
Figure 30. 208/230V MPA030S4S-*P Outdoor Unit Wiring Diagram
2
BLACK
RED
COMP
BLUE
3
W
BLACK
Compressor V
RED
Control Board
U
BLUE
CN54
BLUE
CN51
CN53
BLUE
CN52
YELLOW
YELLOW
L
L-OUT
Y/G
PAN HEATER
Y/G
CRANK CASE HEATER
COMPRESSOR DISCHARGE
TEMP.
SENSOR
7
BLUE
SV
BLUE
RED
C RA N K CA S E H E A TE R
BLACK
P AN H EA T E R
T3
T4
H-PRO
L-PRO
7
22
COMPRESSOR DISCHARGE
TEMP.SENSOR
S
CN10
YELLOW
3
V1.0 2015/5/08
Y/G
FM1
3
CN12 CN11
CN33
CN3
S
CN4
CN2
CN10
CN22
CN40 HEAT1
CN44 HEAT2
P-1
BLACK
CN5
CN6
RED
JXI
Y/G
3
YELLOW
BLACK
RED
Y/G
RED
B L A CK
Y E L LO W
BLACK
RED
2 3 L1 L2
1
L1 L2
TO INDOOR UNIT POWER SUPPLY