Service Manual

SiUS121502E Wiring Diagrams
Appendix 211
2.2 Outdoor Unit
2MXS18NMVJU
Note: PCB1: Main PCB
PCB2: Service monitor PCB
Refer to Part 3 for Printed Circuit Board Connector Wiring Diagram.
GRN/YLW
M1C
PCB2
SW6SW4SW2
X1M
LED
POWER SUPPLY
5
SW5
A423
SW3SW1
1
BRN
L1L1
BLU
M1F
S2L2L2
S501
S502
11 115
Z2C N=4
MS
BLK
BLU RED YLW
BLU RED YLW
WHT
X2M
11
Y1S
X11A
GRN
BLU PPL
GRN
BLK
BRN GRN RED ORG GRY BLK BRN RED
Z5C N=2
YLW YLW WHT SKY BLU
2
2
PCB1
E1 E23
3
11115
BLU ORG RED BRN
YLW YLW
WHT
S202 S201
BLK WHT
SA1
X3M
13 7 1324
WUV
1
1
S70S80
V2
2
MRM20
HL1
2
3
3
MRM10
MR4
ZF
V3
HN1
WU
DB1
V
DC+
+
+
+
V401
PS
RED
1
C110
YLW
S
-
-
DC-
IPM1
9
S90S93
S40
S92
S23 1S22S21 10 1115 8114
BLU RED RED BLU ORG
BLK GRY BLK GRY BLK BLK BLK BLK GRY
ORG YLW YLW WHT WHT
t˚
t˚ t˚ t˚ t˚ t˚ t˚
MM
R5T R2TR4T
R9T
R1TR3TR10T
Q1L
Y2EY1E
(DISCHARGE)
(CONDENSER)
(OUTDOOR)
INDOOR OUTDOOR
FIELD WIRING
TO INDOOR UNIT
ROOM B
TO INDOOR UNIT
ROOM A
SHEET
METAL
Z1C
N=3
FU3
30A
Z4C
N=3
ROOM A
1
S20 1 5
ROOM B
15
ROOM C
15
ROOM D
FU1
3.15A
(ROOM A)
(ROOM B)
(ROOM A)
(ROOM B)
< GAS PIPE > < LIQUID PIPE >
FU2
3.15A
~
~
IN CASE OF
HEAT PUMP TYPE
Z6C
N=1
MS
3
~
Z3C
N=3
C110
DB1
FU1, FU2, FU3
IPM1
L1, L2
LED1~LED5, LEDA
M1C
M1F
: CAPACITOR
: DIODE BRIDGE
: FUSE
: INTELLIGENT POWER MODULE
: LIVE
: PILOT LAMP
: COMPRESSOR MOTOR
: FAN MOTOR
MRM10, MRM20
MR4
PCB1, 2
PS
Q1L
R1T~R5T, R9T, R10T
SA1
SHEET METAL
: MAGNETIC RELAY
: MAGNETIC RELAY
: PRINTED CIRCUIT BOARD
: SWITCHING POWER SUPPLY
: OVERLOAD PROTECTOR
: THERMISTOR
: SURGE ARRESTER
: TERMINAL STRIP FIXED PLATE
SW1
SW2
SW3
SW4
SW5
SW6
V2, V3, V401
X1M~X3M
: FORCED OPERATION ON/OFF SW (SW1)
: FORCED OPERATION MODE SELECT SW (SW2)
: WIRING ERROR CHECK SW (SW3)
: PRIORITY ROOM SETTING SW (SW4)
: FUNCTION SW (SW5)
: NIGHT QUIET MODE SETTING SW (SW6)
: VARISTOR
: TERMINAL STRIP
Y1E~Y2E
Y1S
Z1C~Z6C
ZF
S, S2~S502
U, V, W
X11A
: ELECTRONIC EXPANSION VALVE COIL
: REVERSING SOLENOID VALVE COIL
: FERRITE CORE
: NOISE FILTER
: CONNECTOR
: CONNECTOR
: CONNECTOR
YLW BLUREDWHT
3D092458