Daikin 4MXS-R Series Service Manual page 278

Wiring Diagrams
3MXS24RMVJU, 3MXS24RMVJUA
GRN/YLW
POWER SUPPLY
X1M
BRN
L1 L1
BLU
L2 L2
TO INDOOR UNIT
X2M
ROOM B
1 1
2 2
3 3
TO INDOOR UNIT
X3M
ROOM A
1 1
2 2
3 3
TO INDOOR UNIT
X4M
ROOM C
1 1
2 2
3 3
RED
YLW
BLU
Z4C
SHEET
METAL
INDOOR OUTDOOR
C110 : CAPACITOR
DB1 : DIODE BRIDGE
FU1, FU2, FU3 : FUSE
IPM1 : INTELLIGENT POWER MODULE
L1, L2 : LIVE
FIELD WIRING
LED1~LED5, LEDA : PILOT LAMP
M1C : COMPRESSOR MOTOR
M1F : FAN MOTOR
Note: PCB1: Main PCB
PCB2: Service monitor PCB
Refer to Part 3 for Printed Circuit Board Connector Wiring Diagram.
265
WIRING DIAGRAM
PCB2
LED
A 1 2 3 4
Z1C S501
1
Z2C
Z5C
PCB1
E1 E2
1
S201
SA1
FU3
V2
30A
HL1
MRM10
ZF
V3
HN1
FU1
3.15A
1
S
WHT RED BLU
ROOM A ROOM B ROOM C
9
1 S20 5 1 S21 5 1 S22 5
M M M
Y1E Y2E Y3E
MR4, MRM10, MRM20 : MAGNETIC RELAY
PCB1, 2 : PRINTED CIRCUIT BOARD
PS : SWITCHING POWER SUPPLY
Q1L : OVERLOAD PROTECTOR
R1T~R6T, R9T~R11T : THERMISTOR
S, S2~S502, X11A : CONNECTOR
SA1 : SURGE ARRESTER
SHEET METAL : TERMINAL BLOCK FIXED PLATE
SW2 SW4 SW6
5
SW1 SW3 SW5
S2
S502
11 1 5
11 1 S202 5
MRM20
DB1
~
V401 PS
~
S92
1 10 1
t˚ t˚ t˚
R9T R10T R11T
<GAS PIPE>
SW1 : FORCED OPERATION ON/OFF SW (SW1)
SW2 : FORCED OPERATION MODE SELECT SW (SW2)
SW3 : WIRING ERROR CHECK SW (SW3)
SW4 : PRIORITY ROOM SETTING SW (SW4)
SW5 : FUNCTION SW (SW5)
SW6 : NIGHT QUIET MODE SETTING SW (SW6)
V2, V3, V401 : VARISTOR
X1M~X4M : TERMINAL BLOCK
M1F
Y1S
1 3 7
S80
MR4
FU2
3.15A
DC+
+
+
C110
-
DC-
S93 S90 S40
11 1 8 1 4
t˚ t˚ t˚ t˚ t˚ t˚
R4T R5T R6T R3T R2T R1T
Q1L
<LIQUID PIPE>
Y1E~Y3E : ELECTRONIC EXPANSION VALVE COIL
Y1S : REVERSING SOLENOID VALVE COIL
Z1C~Z5C : FERRITE CORE
ZF : NOISE FILTER
: PROTECTIVE GROUND
: GROUND
SiUS121736EA
M1C
MS
~
3
MS
X11A
Z3C
4 3 2 1
W V U
S70
W V U
+
-
IPM1
C: 3D100696A
Appendix