48
4. Electrical wiring diagram
•PUHY-P250, 350, 400YHM-A
P350/P400
*7 e
xist
*7 do not e
xist
Model name
*7.Dif
ference of appliance
Appliance
P250
Fo
r opening/closing the b
ypass
circuit
Outdoor unit heat e
xchanger
capacity control
Solenoid va
lv
e
Control bo
x inter
nal temper
ature
THBO
X
Pipe temper
ature
Z24,25
Ther
mistor
Subcool b
ypass outlet
temper
ature
Discharge pipe temper
ature
A
CC inlet pipe temper
ature
Subcooled liquid refr
iger
ant
temper
ature
OA
temper
ature
IGBT
temper
ature
Function setting connector
THHS
TH7
TH6
TH5
TH4
TH3
TH2
Po
we
r supply
Explanation
Indoor/Outdoor tr
ansmission
cab
le
Centr
a
l control tr
ansmission
cab
le
Te
rm
inal
bl
o
c
k
TB7
TB3
TB1
Symbol
Pressure control,Refr
iger
ant flo
w
ra
te
control
DC reactor
DCL
SV1a
LEV2a,b
LEV1
Linear e
xpansion
va
lv
e
Solenoid va
lv
e
HIC b
ypass
,Controls refr
iger
ant
flo
w in HIC circuit
CT12,22,3
CH1
1
Cr
ankcase heater(f
or heating the compressor)
Current sensor(A
C)
Magnetic rela
y(in
v
e
rt
er main circuit)
72C
Lo
w pressure
Discharge pressure
High pressure protection f
o
r the
outdoor unit
Pressure sw
itch
Pressure sensor
63LS
63H1
Symbol
Explanation
4-w
a
y v
a
lv
e
21S4a,b
,c
Fo
r opening/closing the b
ypass
circuit under the O/S
SV5b
,c
SV9
63HS1
<Symbol e
xplanation>
*1.Single-dotted lines indicate wir
ing
not supplied with the unit.
*2.Dot-dash lines indicate the control
bo
x boundar
ies
.
*3.Ref
er to the Data book f
or connecting
input/output signal connectors
.
*4.Daisy-chain ter
minals (TB3) on the
outdoor units in the same refr
iger
a
nt
system together
.
*5.F
aston ter
m
inals ha
v
e
a loc
king
function.Mak
e sure the ter
m
inals
are securely loc
k
ed in place after
inser
tion.Press the tab on the
ter
m
inals to remo
v
e
d them.
*6.Control bo
x houses high-v
oltage par
ts
.
Bef
o
re inspecting the inside of the
control bo
x,tur
n
of
f the po
w
e
r,
k
e
ep
the unit of
f f
or at least 10 min
utes
,
and confir
m that the v
oltage betw
een
FT
-P
and FT
-N on INV Board has dropped
to DC20V or less
.
M1
M2
*7
SV1a
Z3
2
1
M-NET
po
w
e
r
supply circuit
C5
LED3:CPU in
oper
ation
LED1:Nor
mal
oper
ation
SC-L1
SC-L2
1
2
W
U
SC-W
1
Z5
R1
R2
R3
C3
C2
F3
F2
F1
Z1
Z2
R5
D1
R4
R6
C17
Diode Br
idge
C7
C8
C9
C10
C4
C1
C6
Po
we
r Source
3N
50/60Hz
380/400/415V
N
L3
L2
L1
TB1
N
L3
L2
L1
L
F4 A
C250V
6.3A
T
b
lac
k
white
red
3
1
CN3 g
reen
TB24
N
TB23
L3
TB22
L2
TB21
L1
CN1B
41
31
CN1A
UUU
F1,F2,F3 A
C250V
6.3A
T
U
Z4
DSA
CN2
6
5
3
1
Noise
Filter
U
ZNR01
U
3
1
CN5
red
3
CN4 b
lue
1
4
7
1
CNINV
CNVDC
4
1
F
AN Board
F01 DC700V 4A
T
C630
C631
R631
R630
IPM
CN18V
b
lue
CN4
red
CN5
21
1
3
12
2
3
4
1
CN21 b
lue
CN22 red
6 5 4 3
THBO
X
LED2:Error
F
an motor
(Heat e
xchanger)
M
3
V
DCL
R1
R5
*5
b
lac
k
red
C100
2
4
3
1
72C
b
lac
k
red
SC-P1
SC-P2
4
CN1
1
LED1 Nor
mal oper
ation(lit)
/Error(b
link)
CN5V y
ello
w
CN6
21
3
1
CN4
1
2
CN2
1
5
2
7
3
1
CNTYP
Blac
k
C1
RSH1
THHS
*6
FT
-P
FT
-N
P
N
INV Board
R34
C30
C32
C34
C36
R30
R32
C31
C33
C35
C37
R31
R33
b
lac
k
white
red
R35
CT3
SC-L3
IGBT
SC-U
SC-V
CT12
CT22
red
white
b
lac
k
b
lac
k
white
red
U
V
W
MS
3
Motor (Compressor)
Centr
al control
tr
ansmission
cab
le
Indoor/Outdoor tr
ansmission
cab
le
Indoor/Outdoor tr
ansmission
cab
le
*4
TP2
TP1
TB7
S
M2
M1
TB3
M-NET
Board
13
CN04 red
LED1:P
o
w
er supply to
Indoor/Outdoor tr
ansmission line
CN102
4321
CNS2 y
ello
w
21
5432
CNIT red
1
63H1
P
LEV2b
M
LEV2a
M
M
LEV1
1
2
3
4
5
6
CNL
V
A
CNL
V
B
red
1
2
3
4
5
6
5 4 3 2 1
6
CNL
V
C
red
3
1
CNTYP2
b
lac
k
Z24
3
2 1
Z25
CNTYP5
g
reen
CNTYP4
g
reen
4 3 2 1
CN213
red
CN212
2 1
CN990
2 1
TH6
TH7
TH3
TH5
2
1
3
63LS
63HS1
2
1
3
TH2
TH4
3 2 1
CN202 red
CN201
2
3
1
CN215 b
lac
k
2 1
CN21
1
2
1
red CNIT
y
ello
w
CNS2
5
1234
OFF
ON
1234
1234
CN41
CN40
CN102
4
3
2
1
CN3D
1
2
3
red CN3S
1
2
3
b
lue
CN3N
1
2
3
*3
y
ello
w
CN3K
1
2
CNA
C
red
21
3
F01 A
C250V
3.15A
T
6
5
3
1
SV9
X09
X10
CN508 b
lac
k
21S4c
SV5c
X08
X07
1
3
5
6
CN507 red
6
5
3
1
SV5b
CN506
X06
X05
3
1
21S4a
CN504 g
reen
X04
X03
CH1
1
3
1
CN503 b
lue
2
1
CN502
X02
X01
21S4b
1
1
CN501
2
3
CNA
C2
b
lac
k
6
5
72C
1
2
CN72 red
3
1
CNDC pink
12
CNT01
13
1
2
21
2
1
CN801 y
ello
w
CNT02
CN332 b
lue
CN4
CN2
7
5
2 1
CPU po
w
e
r
supply circuit
Po
w
er f
a
ilure
detection circuit
Control Board
LED1
SW1
ON
OFF
1
10
SW2
ON
OFF
1
10
SW3
ON
OFF
1
10
SW4
ON
OFF
1
10
ON
OFF
1
10
SW5
5
4
3
12V
1
CN51
*3
SWU2
SWU1
10's digit
1's digit
Unit address
setting
LED1
Displa
y
setting
Function
setting
Compressor ON/OFF output
Error detection output
TB7 P
o
w
e
r
selecting
connector
LED3:Lit when po
w
e
red
LED2:CPU in oper
ation
t
t
t
t
t
t
t
t
Содержание PUHY-P250YHM-A
Страница 1: ...Model PUHY P Y S HM A PFAV P VM E F DATA BOOK AIR CONDITIONING SYSTEMS ...
Страница 91: ...89 4 An Example of a System to which an MA Remote Controller is connected P750 P900 F models only ...
Страница 92: ...90 ...
Страница 93: ...91 L2 L31 L4 L32 200m 656ft ...
Страница 95: ...93 3 Emergency Operation Mode ...
Страница 96: ...94 ...
Страница 98: ...96 ...
Страница 99: ...97 ...