Control Board - Lennox MPA024S4S-*P Installation Instructions Manual

Compressor

Control Board

Figure 33. 208/230V MPA024S4S-*P Outdoor Unit Wiring Diagram
CODE PART NAME
COMPRESSOR
COMP
ELECTRIC EXPANSION
EXV
VALVE
FM1
OUTDOOR DC FAN
CRANKCASE HEATER
HEAT1
HEAT2 PAN HEATER
HIGH PRESSURE SWITCH
H-PRO
PFC INDUCTOR
L
L-PRO
LOW PRESSURE SWITCH
SV 4 WAY VALVE
OUTDOOR COIL TEMP.
T3
SENSOR
T4
OUTDOOR TEMP. SENSOR
Figure 34. 208/230V MPA036S4S-*P Outdoor Unit Wiring Diagram
2
CRANK CASE HEATER
BLACK
COMP RED
BLUE
W
BLACK
V
RED
DRIVER BOARD
U
BLUE
CN54
BLUE
CN51
CN53
BLUE
CN52
YELLOW
YELLOW
L
L-OUT
Y/G
PAN HEATER
Y/G
7
4 WAY
SV
VALVE
CN3
ORANGE CN4
HEAT1
RED CN10
ORANGE
ORANGE
HEAT2
ORANGE
BLACK
T3
T4
H-PRO
L-PRO
7
XT2
S1
TO INDOOR COMM. BUS
NOTEP lease use 2-core
shielded wire.
19
COMPRESSOR DISCHARGE
TEMP.SENSOR
S
CN10
YELLOW
EXV
COMPRESSOR
M
DISCHARGE
FM1
TEMP. SENSOR
5
CN34 CN12 CN11
CN20
CN33
BLACK
CN22
CN40
CN44
P-1
BLACK
CN5
CN6
RED
RED
S2
1 L1 2 L2 L1
( ) ) (
TO INDOOR UNIT MAIN
POWER SUPPLY P O W E R S U P P LY
RED
Y/G
XT1
L2