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)
1
2
3
U
V
W
MF
F
an motor
(Heat e
x
changer)
CN04
1
2
3
14
1
9
1
1
14
9
1
shield
Compressor ON/OFF NIGHT MODE
✻
1
or STEP DEMAND
SNO
W
✻
5
T01
(T
ransf
omer)
CENTRAL
CONTR
O
L
TRANSMISSION
LINE
INDOOR/
OUTDOOR
TRANSMISSION
LINE
red
blac
k
Break
ers f
or wir
ing
Break
ers f
or current leakage
✻
4
1 2 3 4 5 6 7
CNRS3B
PUHY
-P400YGM-A
PU(H)Y
-P350YGM-A
✻
3
CNINV
CNTR
LED1 oper
ation
LED2 error
1
2
3
6 5 4 3 2 1
T
roub
le
Compressor ON/OFF
1 4
ON
OFF
SW2
1 2 3 4 5 6 7
1
2
3
CNRS3A
1 2 3 4 5 6 7 8
CNA
C3
b
lac
k
CN3S red
CNVCC1
CN51
CN3D
3 2 1
5 4 3 2 1
CNL
VB
red
SW1
3 2 1
12V
1 2 3 4 5 6
SW2
SW3
SW4
LD1
ON
ON
ON
OFF
OFF
ON
OFF
ON
OFF
OFF
SW5
1
1
Control circuit board
(MAIN BO
ARD)
10
1
10
1
10
1
10
10
SWU2
Unit address setting
SWU1
✻
1
CN52C y
ello
w
CN38 g
reen
CN36
CN35 red
CN33
X02
CN32
63H1
X01
X09
X08
X03
CNS2 b
lue
CNS1 b
lue
CH11
1
2
3
Z20
1
2
3
1
2
3
1
2
3
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
2 1
2
1
3
2
1
2
1
3
2
1
TH8
3 2 1
8 7 6 5 4 3 2 1
TH6
TH5
TH7
TH11
63LS
R22
63HS
R23
1 2 3
1
2 3
CN02
CNTYP1 red
CNL b
lac
k
CN01
CNTYP4
CNH
CNTYP5
CN20
CN21 b
lue
F01
250V
A
C
6.3A T
F02
250V
A
C
6.3A T
1 2 3
4
5
1 2
3
LEV1
L1
L2
L3
N
TB1
PE
(T
er
minal Bloc
k)
P
o
w
er source
3N~
380/400/415V
50/60Hz
b
lac
k
red
52C1
DCL1
C12
red
1 2 3 4
DS1
(Diode stac
k)
DCCT1
white
b
lac
k
4 3 2 1
CNDC2
N
IPM1
P
C14
MC1
Gate amp board 1
(G/A BO
ARD)
A
CCT
-W
V
A
CCT1
A
CCT
-U
X52
UV
W
F
AN control board
(F
AN BO
ARD)
CNVDC
1 2 3
C11
R14
R13
R11
R
12
L1
L2
L3
N
A
CNF1
(Noise Filter)
E
FIL
TER
BO
ARD
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
CNFG b
lue
1 2
1
2
L1
L2
1 2
CNL1
CNL2
CNOUT g
reen
CNIN b
lue
C15
ZNR14
SWU3
0
1
2
A
U
T
O
CHANGEO
VER
HEA
T/COOL
3 2 1
CN3N b
lue
X07
X06
CN15V1
CNDC1 b
lac
k
CNDR1
1 2 3 4
1 2 3 4 5 6 7 8
CNVCC1
1 2 3 4 5
CNA
C2
CNF
AN
red
X01
SW2
SW1
1 4
1 6
ON
OFF
ON
OFF
LED1 oper
ation
LED2 error
3
2
1
CNFG b
lue
1
2
CNCT2 b
lue
4 3 2 1
1 2 3 4
CNTH g
reen
1 2
THHS1
1 2 3 4 5 6 7
1 2 3 4
CNCT
CNRS1
P
o
w
er circuit board 1
(INV BO
ARD)
CNDC2 b
lac
k
CN15V2
CNDR2
TB3
M1
M2
S
M2
M1
TB7
1 2 3
1 2
shield
F02
700VDC
2A T
red
white
b
lac
k
b
lue
blac
k
white
red
white
detection
circuit
detection
circuit
detection
circuit
red
white
b
lac
k
b
lue
red
b
lac
k
L1
L2
L3
N
Motor
(Compressor)
F01
250V
A
C
2A T
Ref
er to the ser
vice handbook
about the s
w
itch oper
ations
.
U
W
✻
2
CNRS2
1 2 3 4 5 6 7
In
v
e
rter controller bo
x
PU(H)Y
-P200,P250,P300YGM-A
60A
40A
30A
X11
“
✻
2
”,
“
✻
4
”
and
“
✻
5
”
do not exsist.
PUY
-P250,P300,P350YGM-A
DC reactor (P
o
w
er f
actor impro
ve
ment)
Thermistor
Pipe temp
.detect (He
x outlet)
DC Current Sensor
Discharge pipe temp
. detect
Magnetic contactor (In
ve
rter main circuit)
A
C
Current Sensor
O
A
temp
.detect
Z20
L1,L2
63LS
63HS
63H1
THHS1
TH8
TH7
TH6
TH5
TH11
LEV1
SV5c
✻
4
SV5b
SV1
21S4c
✻
4
21S4b
21S4a
✻
5
CH11
MF1
52C1
DCL1
DCCT1
✻
3
Ear
th ter
minal
Function de
vice
Chok
e coil (T
ransmission)
Lo
w pressure sensor
High pressure sensor
High pressure s
witch
Radiator panel temp
. detect
b
ypass outlet temp
.detect
at Sub-cool coil
liquid outlet temp
.detect
at Sub-cool coil
Electronic e
xpansion v
alv
e (SC coil)
Solenoid v
alv
e
(Heat e
xchanger capacity control)
Solenoid v
alv
e
(Discharge-suction b
ypass)
4-w
a
y
v
alv
e
Cr
ank case heater (Compressor)
F
an motor (Radiator panel)
A
CCT1
Name
Symbol
< Symbol e
xplanation >
“
✻
2
”,
“
✻
3
”,
“
✻
4
”
and
“
✻
5
”
do not exsist.
PUY
-P200YGM-A
“
✻
4
” do not exsist.
Appliance
All exists
PUHY
-P400YGM-A
< Diff
erence of appliance >
“
✻
3
”
and
“
✻
4
” do not
exsist.
Model name
PUHY
-P200YGM-A
PUHY
-P250,P300,P350YGM-A
+ -
~ ~ ~
+
+
NO
TE:The brok
en lines indicate field wir
ing.
A
uto changeo
v
e
r:OFF
COOL
OPEN
HEA
T
SHOR
T
✻
2:A
uto changeo
v
er (CN3N 1-2P
,1-3P)
CN3N 1-2P
CN3N 1-3P
OPEN
SHOR
T
A
uto changeo
v
e
r:ON
--
Compressor
ON/OFF
SHOR
T
OPEN
OPEN
SHOR
T
CN3D 1-2P
CN3D 1-3P
100%
0%
75%
50%
OPEN
SHOR
T
SHOR
T
OPEN
OFF
ON
SW4-7:ON (STEP DEMAND)
NIGHT
MODE
CN3D
1-2P
OFF
ON
SW4-7:OFF
(Compressor ON/OFF and NIGHT MODE)
CN3D
1-3P
✻
1:
Function according to s
witch oper
ation.
(SW4-7,CN3D 1-2P
,and CN3D 1-3P)
SV
5b
SV
5c
21S
4c
SV1
52
C1
21S
4b
21S
4a
MF3
∞
∞
Electrical Wiring Diagram
[1]
PUHY-P200, P250, P300, P350, P400YGM-A / PUY-P200, P250, P300, P350YGM-A