Outdoor Unit - Daikin FTXM-K Series Service Manual

Wiring Diagrams
2.2

Outdoor Unit

RXM20/25/35LV1B
Field wiring
Indoor
N=2
Z3C
X1M
AC1
1
BLK
L 1
AC2
2
2
N WHT
3
S
3
RED
L
N
E1
E2
Z2C
N=2
Outdoor
Q1 : Insulated Gate Bipolar Transistor(IGBT)
Y1E : Electronic expansion valve coil
Y1S : Reversing solenoid valve coil
SA1 : Surge arrestor
IPM1,IPM2 : Intelligent power module
Q1L : Overload protector
M1C : Compressor motor
PCB1,PCB2,PCB3 : Printed circuit board
M1F : Fan motor
X1M : Terminal strip
Z1C,Z2C,Z3C : Ferrite core
L : Live
FU1,FU2,FU3 : Fuse
DB1,DB2,DB3 : Diode bridge
L1 : Coil
L1R : Reactor
C5,C6,C119 : Capacitor
R1T,R2T,R3T : Thermistor
N : Neutral
RXM42/50LV1B
Field wiring
Indoor
X1M
BLK
1 L 1
2
WHT
N 2
3
3
RED
L
N
Z2C
N=4
PS : Switching power supply
Y1E : Electronic expansion valve coil
Y1S : Reversing solenoid valve coil
SA1 : Surge arrestor
IPM1 : Intelligent power module
Q1L : Overload protector
M1C : Compressor motor
PCB1 : Printed circuit board
M1F : Fan motor
X1M : Terminal strip
Z1C, Z2C, Z3C : Ferrite core
L : Live
FU1, FU2, FU3 : Fuse
DB1 : Diode bridge
N : Neutral
C7 : Capacitor
R1T, R2T, R3T : Thermistor
PAM : Pulse-amplitude modulation
121
MRM20
FU3
20A
HR1
L1
MRM10
V2
HN2
HL2
V3
FU1
MR30
3.15A
1
SA1
S11
PCB1
9
X11A,X12A,X13A,HA1,HL2,HR2
E1,E2,AC1,AC2,S,HR1,HN2
MRCW,MR30,MRM10,MRM20
S10,S11,S20,S40,S70,S80,S90
S100,S110,HL3,HN3
V1,V2,V3
Z3C
FU3
N=5
30A
HL1
HN1
V2
ZF
S
V3
MR30
SA1
E1
E2
PCB1
X11A, HL1, HN1, E1, E2, S
MRCW, MR30, MRM10, MRM20
S20, S40, S70, S80, S90
V1, V2, V3
ZF
DB1
HR2
WHT
L1R
~ +
BRN
HN3
HA1 HA2
~
BLU GRY –
HL3
ORG
V1
1
WHT
BLK
BLK
BLK
S10
BLK
BLK
BLK
BLK
BLK 9
MRCW
S100 S20 S80
1 6 3 1
1 2
X13A X12A
S110
PCB3
Y1S
M
Y1E
: Connection
: Magnetic relay
: Connector
: Varistor
: Protective earth
MRM10
MRM20
V1
FU1
3.15A
Outdoor
MRCW
S20
S40 S80
1 6
1 2 1 3
Y1S
M
Q1L
Y1E
: Connection
: Magnetic relay
: Connector
: Varistor
: Noise filter
: Protective earth
+
C5
DB2 –
~ +
+
C119
–
+
~ Q1 C6
–
–
FU2
3.15A
~
+
IPM2
PCB2
+
~
–
DB3
S70
S90 S40
1 6 2 1 1 4 7 10 11 12 13
Q1L
R1T R2T R3T
MS
Outdoor
Discharge
3~
Condenser
M1F
BLK : Black
WHT : White
BRN : Brown
RED : Red
GRN : Green
YLW : Yellow
ORG : Orange
BLU : Blue
GRY : Grey
DB1
~
+
+
PAM
C7
~
FU2
PS 3.15A
S70
S90
1 6 1 4 7
t˚ t˚ t˚
R1T R2T R3T
MS
Outdoor Discharge ~
3
Condenser
M1F
BLK : Black
WHT : White
BRN : Brown
RED : Red
GRN : Green
YLW : Yellow
ORG : Orange
BLU : Blue
SiBE041434E
IPM1
+
–
W V U
–
X11A
Z1C
N=4
V
U
W
MS
3~
M1C
3D090516
IPM1
+
W V U
Z1C
N=4
X11A
V
W U
MS
~
3
M1C
3D090522
Appendix