Mla Single-Zone - Lennox MPA009S4S Service Manual

L
YELLOW
YELLOW
CN2
CN6
CH1
CO MP
FAN1
3
Y/G 3
Y/G
FM 2 FM 1

11.2. MLA Single-Zone

Figure 19. 208/230V MLA012 and 018S4S-1P Outdoor Unit Wiring Diagram
D
CH2
RED
CH2
CN4
RED
CN2
CN1
CN3
BLUE
RED
BLACK
CN9
2
10
CH2 3
CN1 CON1
FAN1
FAN2
Figure 18. 208/230V MPB048S4S-*P Outdoor Unit Wiring Diagram
P6 P5
CN3
CT1
CN1
P7
MAIN BOARD
P8
P9
CN22
BLACK
CN20
RED
CN19
ORA NGE
CN25
ORAN GE
CN24
BLUE
CN18
BLUE
CN17
CN6
61
C ODE
Y/G
C OMP
C T 1
D
E XV
Y/G
FM1,FM2
HE AT 1
BLUE/BLACK
HE AT 2
RED
H-P R O
L-P R O
S V
T5
T3
T4
TH
HEAT1
HEAT2
4-WAY
SV
VALVE
PAR T N AME
C OMP R E S S OR
AC CURRENT DETECTOR
DIO DE MODULE
E LE C T R IC E XPANS IO N
VALV E
OUTDOOR DC FAN
C R ANK C AS E H E AT E R
PAN H E AT E R
HIG H P R E S S UR E S WIT C H
P F C INDUC TOR
L
LOW P R E S S UR E S WIT C H
4-W AY VALVE
COM PRES SOR DISC HARG E
TEMP ERA TURE SEN SOR
OUTDOOR COIL
TEMPERATU RE SENSOR
OUTDOOR
TEMPERAT URE SENSOR
HEATSINK
TEMPERAT URE SENSOR
S1 S2
XT 2
TO INDOOR C OMM. B US
NOTE: PLEASE USE 2-CORE
SHIELDED WIRE