OUT-23
DUAL, TRIPLE, POKER DC Inverter : 3. Outdoor Unitis & Troubleshooting
Multi Liberty
DC Inverter
P3
P1
P2
P4
+
-
+ +
-
-
HCKU 1066 Outdoor Unit X4
T
A
, T
B
, T
C
, T
D
CN1
CN202
P
N
P-1
Red
L
N
Red
Blac
k
Te
m
pe
ra
tu
re
s
en
so
r
(Gas side), “A
”
Te
m
pe
ra
tu
re
s
en
so
r
(Gas side), “B
”
Heat exchanger temp. sensor
, T3
Room temp. sensor
, T4
Te
m
pe
ra
tu
re
s
en
so
r
(Gas side), “C
”
Te
m
pe
ra
tu
re
s
en
so
r
(Gas side), “D
”
Blue
Blue
Blue
Black
U
V
W
CN2
A
B
C
CN21
CN13
CN15
CN22
D
CN24
CN27
CN29
CN31
CN3
CN18
CN12
CN11
Blac
k
Yello
w
Yello
w
CN1
CN9
CN34
CN6
CN8
Red
Yello
w
Red
CN7
CN10
5
5
IPM Module
Yello
w/
Green
IPM PCB
Compressor
U(R)
V(S)
W(C)
CN26
CN28
Valve “A”
Valve “B”
Valve “C”
Valve “D”
EEV valve
Unit “A”
EEV valve
Unit “B”
CN25
CN23
EEV valve
Unit “C”
EEV valve
Unit “D”
(T
o Indoor Unit
“B”)
(T
o Indoor Unit
“C”)
(T
o Indoor Unit
“D”)
(T
o Indoor Unit
“A”)
Filter
Y ello
w/
Green
Y ello
w/
Green
Y ello
w/
Green
4-w
ay v
alv
e coil
Fan motor’s
condenser
Compressor heater
Yello
w/
Green
Fan motor
P
o
wer Suppl
y:
1-Phase
, 220~240V
,
50Hz
Main PCB
Yello
w/
Green
D
is
ch
ar
ge
te
m
p.
s
en
so
r
CT1
N.O
.
C
R
C
N
5
C
N
1
3
C
N
1
2
C
N
7
CN
33
4
CN32
R
Y1
2
+
-
~
~
Rectifier 2
Yello
w
Y ello
w
Red
Red
Blac
k
Red
PFC Module
Yello
w/
Green
2-
di
gi
ts
’ L
E
D
D
is
pl
ay
8
8
High pressure
switch (H_PR
O)
Lo
w pressure
switch (L_PR
O)
T5