Daikin FTX20K(2)V1B Service Manual page 113

SiBE041525F
RX50/60/71K(2)V1B
FIELD WIRING
INDOOR
n=5
X1M
Z3C
TO INDOOR UNIT
1 L 1 BLK
2 N 2 WHT
3 3 RED
L
N
n=4
Z2C
POWER SUPPLY
OUTDOOR
NOTE
1. REFER TO THE NAMEPLATE FOR THE POWER REQUIREMENTS.
C7 : CAPACITOR
DB1 : DIODE BRIDGE
FU1, FU2, FU3 : FUSE
IPM1 : INTELLIGENT POWER MODULE
L : LIVE
N : NEUTRAL
M1C (MS 3~) : COMPRESSOR MOTOR
M1F (MS) : FAN MOTOR
MRM10, MRM20,
: MAGNETIC RELAY
MR30, MRCW
PAM : PULSE AMPLITUDE MODULATION
ZF : NOISE FILTER
PCB: Main PCB
Note:
Refer to Part 3 for Printed Circuit Board Connector Wiring Diagram.
Appendix
WIRING DIAGRAM
FU3
30A
HL1
HN1
V2 ZF
S
V3
FU1
3.15A
MR30
SA1
E1
E2
PCB
IN CASE OF
HEAT PUMP TYPE
PCB : PRINTED CIRCUIT BOARD
: SWITCHING POWER SUPPLY
PS
Q1L : OVERLOAD PROTECTOR
R1T, R2T, R3T : THERMISTOR
S20, S40, S70,
S80, S90, X11A : CONNECTOR
: SURGE ABSORBER
SA1
MRM20
DB1
~
+
MRM10
~
-
V1
D1
MRCW
S80 S20 S90
1 3 1 6 1
t˚ t˚
Y1S
M
R1T R2T
(OUTDOOR)
Y1E
(CONDENSER)
V1, V2, V3 : VARISTOR
X1M : TERMINAL BLOCK
Y1E (M) : ELECTRONIC EXPANSION VALVE COIL
Y1S : REVERSING SOLENOID VALVE COIL
Z1C, Z2C, Z3C : FERRITE CORE
n=4, n=5 : No. OF PASSES THROUGH FERRITE CORE
D1, D2 : DIODE
Wiring Diagrams
+
PAM C7
-
FU2
D2
3.15A
PS
S40 S70
6 1 2 1 4 7
t˚
MS
Q1L
R3T
(DISCHARGE)
M1F
E1, E2, S,
HL1, HN1,
W, V, U
IPM1
+
-
W V U
Z1C
n=4
X11A
V
U
W
MS
~
3
M1C
: CONNECTION
: PROTECTIVE EARTH
: EARTH
3D093353C
102