Daikin ALTHERMA HT Service Manual page 49

ESIE09-08B
Inverter PCB
Connector
Refrigerant Circuit
X106A X107A
X6A
X9A
X5A
X21A
X13A
X11A
X12A
X51A
X41A
X18A
X17A
X32A
X25A HAP
Color
X5A White -
X6A White -
X9A White X809A of PCB A5P
X11A White -
R6T by connector X1Y [13, 14]
X12A Blue
R7T by connector X1Y [15, 16]
X13A White -
X17A Red B1PH by connector X1Y [17, 18, 19]
X18A Blue B1PL by connector X1Y [20 - 21 - 22]
X21A White K2E by connector X1Y [25 - 26 - 27 - 28 - 29 - 30]
X25A Blue Y1R by connector X3Y [7 - 8]
X27A Pink M1F & M2F
X28A Grey E1HC by connector X3Y [5 - 6]
X32A White K1A
X41A Blue -
X51A Blue -
X77A Yellow K1A & connector X3Y [9, 10]
X106A Red -
X107A White -
X111A White R8T
HAP LED -
Fuse 1 - -
Fuse 2 - -
LC Red LB of PCB A6P
LD Orange
R1L by connector X4Y [1, 2]
LE White
NC Blue NB of PCB A6P
N Grey C1-
P Orange C1+
U Red U of M1C
V White V of M1C
W Blue W of M1C
PCB Layout for EKHBRD 011/014/016 AA/AB/AC/AD V1/Y1
F6U X111A
EC09008
X28A X77A LD
Connected to
P
N
WVU
LE
NC
LC
F4U
Function
-
-
QA PCB
-
Discharge & liquid [R-134a]
thermistor
-
High pressure sensor
Low pressure sensor
Electronic expansion valve
4-way valve
Switch box cooling fan
Crankcase heater
Interface relay of S1PH & Q2L
Service purpose
-
Interface relay of S1PH & Q2L
-
-
Fin thermistor
Indication power supply
5A, 250V for M1F, M2F
6,3A, 250V for Y1S, ECHC
Filter PCB
Reactor
-
Capacitor C1
Compressor
37