Refer to Part 3 for Printed Circuit Board Connector Wiring Diagram.
FIELD WIRING
INDOOR
MRM20
IPM1
X1M
DB1
HL1
~
+
+
1
BLK
1
L
MRM10
HN1
ZF
V2
WHT
2
2N
+
~
S
PA M
-
C7
-
3
RED
3
V3
-
V1
L
D2D1
MR30
WVU
GRN/YLW
N
SA1
PS
E1
MRCW
BLU
RED
YLW
E2
GRN
S40 S70S20 S90
X11A
S80
17411 236 611
PCB
GRN
OUTDOOR
BLK
BLK
RED
BLU
ORG
RED
RED
BLK
BLK
BLK
BLK
BLK
BLK
ORG
BRN
BLU
RED
WHT
WHT
YLW
V
U
W
t˚ t˚t˚
MS
M
Y1S
Q1L
Y1E
M1C
M1F
TO INDOOR UNIT
POWER SUPPLY
n=5
Z3C
n=4
Z2C
FU3
30A
FU1
3.15A
FU2
3.15A
Z1C
n=4
MS
3
~
IN CASE OF
HEAT PUMP TYPE
R1T
(OUTDOOR)
R3T
(DISCHARGE)
R2T
(CONDENSER)
NOTE
1. REFER TO THE NAMEPLATE FOR THE POWER REQUIREMENTS.
C7
DB1
FU1, FU2, FU3
IPM1
L
N
M1C (MS 3~)
M1F (MS)
MRM10, MRM20,
MR30, MRCW
PA M
ZF
E1, E2, S,
HL1, HN1,
W, V, U
WIRING DIAGRAM
: CONNECTION
: PROTECTIVE EARTH
: EARTH
: VARISTOR
: TERMINAL BLOCK
: ELECTRONIC EXPANSION VALVE COIL
: REVERSING SOLENOID VALVE COIL
: FERRITE CORE
: No. OF PASSES THROUGH FERRITE CORE
: DIODE
V1, V2, V3
X1M
Y1E (M)
Y1S
Z1C, Z2C, Z3C
n=4, n=5
D1, D2
: PRINTED CIRCUIT BOARD
: SWITCHING POWER SUPPLY
: OVERLOAD PROTECTOR
: THERMISTOR
: CONNECTOR
: SURGE ABSORBER
PCB
PS
Q1L
R1T, R2T, R3T
S20, S40, S70,
S80, S90, X11A
SA1
: CAPACITOR
: DIODE BRIDGE
: FUSE
: INTELLIGENT POWER MODULE
: LIVE
: NEUTRAL
: COMPRESSOR MOTOR
: FAN MOTOR
: MAGNETIC RELAY
: PULSE AMPLITUDE MODULATION
: NOISE FILTER
3D093353C
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