56
7. WIRING [Wiring Connection Diagram]
7.4.6 Wiring Connection Diagram 2 (400V Class, Inverter Staring (2/2))
CE
CE
CE
S1
SP
R2
S2
T2
S2
T2
R2
R1
RP
TB0
46
115V
RS
S2
460V
TR
1kVA
T1
CM2
RUN
AK
D1
32
33
Y52A
RY
21X
CE CE CE CE
20D220D1
S2
CE
R3D
CE
CE
R3D
S2
(G)
TB2
41
42
Y52A
TH2
TH3
PS1 PS2
R4
(G)
Y1
Y2
Y3
REMOTE STOP
REMOTE START
DC24V
to
PWB2 CN1
to
PWB2 CN2
Y2
TB1
Y3
START
Y1
COM1
STOP
24L
CN10
CN16
CN9
CN1
24V2
24V1
CN17
CN15
CN18
COM2
PS1
TH1
PS2
TH2
CN24
TH3
SUCF
UNL
REM
CN13
CN3
TR OUT
CN5
DC24V(+)
CN4
CN11
CN7
Y52C
Y20
Y42 Y21
Y6
CN6
Y52
CN8
CN12
CN2
ANS
OVLD
CN14
DSA
REVERSE
PHASE
CN21 DUAL
DC24V INPUT
PWB1(HC55)
SW1SW2
CHG
CN25 CN23CN19
OPE2 OPE1
CN20
A
B
63SV
DS1-1
DS1-2
88F
47
48
34
31
52X
88F1
49M1
1.1A
IM2
0.4kW
460V/1.0A
160kW 460V/275A
240kW 460V/399A
500ms OR MORE
ONE-SHOT INPUT
CAUTION DRY "a" CONTACT(0.5A)
SHUTDOWN DRY "a" CONTACT(0.5A)
EXTERNAL LOAD/UNLOAD : "a" CONTACT(0.5A)
REMOTE SETTING : "a" CONTACT(0.5A)
OPERATION DRY "a" CONTACT(0.5A)
RELAY OUTPUT
to
TB3
to
TB3
SP1 5A
60W
(+) (−)
P11
P21
24V
24E
C DA
AVR2
(G)
S2
TB2
R2
CE
CE
R4
CE
90W
(+) (−)
AVR1
(G)
C
DA
X
X
Y52A
Y52A
43
44
46
45
C
DA
C1
DA1
CB1
5A
15A
CB2
UNLOAD
STOP
ES
to
LCD CN7
to TB3
C
C
20UM
R
CD
C
C
C
R2
ES
R4
CLASS 2 CONTROL CIRCUIT
20W
D
20A
17
RY21X
S3
AB
ZY
CE CE CECE
CE
20V2A20V2B
52X
S2
R3V
20V2C
S2 R3V
CE CE
CE
CE
S2
R3V
CE
CE CE
37
20V1A20V1B
37S3
CE CE
S3
37
S3
CE
C
CN
USP
CE
CN42
CE
CE
CE
CE
CE
88F
14
49M1
CE
FM2
CN38
CE
FM1
CE
FM4
CE
CN39
CE
CE
CE
52X
FM3
CE
CN43
CE
CE
CE
CE
S3
8
SP
(+)
Y
SN
(−)
SN
SN
390Ω
INV
RP
SP
Z
L
0
A
B
(G)
(G)
46
T1A
C
V2
U2
W2
IM1
(G)
INV
P
PD
DCL
E
F
to PWB2 TAB2
to PWB2 TAB1
(K)
CT
(L)
to
LCD CN9
TB2
(G)
TBG
C
(G)
(−)
AVR3
DA1
C1
(+)
(G)
30W
Y
Y
LF
3φ
AC460V 60Hz
RST
RST
RST
UVW
U1 V1
W1
BOTH MAIN DISCONNECT MEANS AND BRANCH CIRCUIT
PROTECTION SHALL BE PROVIDED BY THE CUSTOMER.
IN ADDITION,MAIN DISCONNECT MEANS SHALL BE PROVIDED
ON THE LINE SIDE OF THE BRANCH CIRCUIT PROTECTION.
FOR USE ON A SOLIDLY GROUNDED WYE SOURCE ONLY.
UVW
12
(R)
(W)
(B)
(R)
(W)
(B)
12
1
2
1
2
1
2
1
2
3
4
1
2
3
4
1
2
3
4
5
1
2
123 123 12341 91 13 15
1
2
3
4
5
4321 43 21
531 31 7531 531 31531
REMOTE SETTING
EXTERNAL LOAD/UNLOAD
REMOTE OPERATION
DRYER ANSWER
OPERATION ANSWER
OVER LOAD
OVER LOAD
Y42α
1
2
3
4
5
6
7
8
9
10
SHORT CIRCUIT
DURING REMOTE OPERATION,
REMOVE SHORT CIRCUIT WIRES.
4321
1
3
5
7
S
K
S
K
S
K
S3
37
S1
R3V
S2
R3V
S2
R3D
C
DA1
DA
S2
R4
R2
41
42
S2
43
44
DA
45
46
DA
21 21 21 21
S
K
S
K
FM
CM1
PLC
P24
FW
8
H
0
OI
L
CM2
12
(RUN)11
AL2
AL1
AL0
NOTES:
1. SIZING OF ELECTRICAL COMPONENTS NOT SUPPLIED BY HITACHI IS THE RESPONSIBILITY
OF THE CUSTOMER.
2. RATED DRY CONTACT IS AC110V 0.5A (MAX)
3. SIGNAL INPUT FOR REMOTE OPERATION IS DC24V
4. BRANCH CIRCUIT PROTECTION SHALL BE 460V/550A (160kW) MAX, 460V/700A (240kW) MAX.
UL LISTED DUAL ELEMENT TIME DELAY BRANCH CIRCUIT TYPE FUSES.
5. FIELD WIRING CONDUCTOR SHALL BE 3/0MCM×2 (160kW) 300MCM×2 (240kW).
6. USE LISTED PRESSURE TERMINAL CONDUCTORS SUCH AS A RING TYPE.
7. CONNECT MAXIMUM 3 FIELD WIRING CONDUCTOR TO ONE CONDUIT.
REFER TO THE WIRING DIAGRAM 2
REFERENCE:
REFER TO THE INSIDE OF THE AIR
COMPRESSOR, BUT NOT IN THE
CONTROL PANEL
REFER TO CONPONENTS THAT ARE
EXTERNAL TO THE AIR COMPRESSOR
PACKAGE
SYMBOL
Y1
Y2
Y3
Y52
Y20
Y21
Y52A
DESCRIPTION
OPERATION RELAY
CAUTION OUTPUT
SHUTDOWN OUTPUT
OPERATION RELAY
LOAD/UNLOAD RELAY
CONDENSATE RELAY
OPERATION RELAY
ACTION
ON AT OPERATION
(LOAD/UNLOAD/AUTO STOP)
ON AT CAUTION
ON AT SHUTDOWN
ON AT MAIN MOTOR RUNNING
ON AT LOAD
(2 SECOND LATER AFTER
△
)
ON
AT CONDENSATE DISCHARGE
ON AT MAIN MOTOR RUNNING
OFF AT TO SECONDS LATER
AFTER MAIN MOTOR STOP
SYMBOL
IM1
IM2
52
42
6
88F
49M1
PWB1
PWB2
LCD
20V1A
20V1B
20V2A
20V2B
63SV
PS1
PS2
TH2
TH3
TB0
TB1-3
CT
EF
INV
SYMBOL
DSA
R
SW1,2
CHG
SK
46
CB1-3
SP1
ES
CN
DS
CE
D1
TR
AVR
Y52A
RY21X
52X
20D
20UM
LF
20A
20W
PARTS NAME
MAIN MOTOR
FAN MOTOR
MAIN ELECTROMAGNETIC CONTACTOR
ELCTROMAGNETIC CONTACTOR FOR FAN FOR △
ELCTROMAGNETIC CONTACTOR FOR FAN FOR Y
ELCTROMAGNETIC CONTACTOR FOR FAN
THERMAL RELAY FOR FAN MOTOR
CONTROL PC BOARD
DISPLAY PC BOARD
LCD MONITOR
SOLENOID VALVE
SOLENOID VALVE
SOLENOID VALVE
SOLENOID VALVE
PRESSURE DIFFERENTIAL SWITCH
PRESSURE SENSOR (1ST DIS.)
PRESSURE SENSOR (2ND DIS.)
THERMISTOR (2ND SUCTION)
THERMISTOR (2ND DIS.)
TERMINAL BLOCK
TERMINAL BLOCK
CURRENT TRANSFORMER
FUSE
INVERTER
PARTS NAME
LIGHTNING ARRESTER
RESISTANCE
DIP SWITCH
CHARGE LAMP
SURGE ABSORBER
REVERSE PHASE RELAY
CIRCUIT BREAKER
SUPPLEMENTARY PROTECTOR
EMERGENCY STOP
CONNECTOR
PLUG IN CONNECTOR
CONNECTOR
DIODE
TRANSFORMER
AUTOMATIC VOLTAGE REGULATOR
RELAY
RELAY
RELAY
SOLENOID VALVE FOR CONDENSATE
SOLENOID VALVE FOR OMR
LINE FILTER
MOTORIZED ISOLATION VALVE FOR AIR
MOTORIZED ISOLATION VALVE FOR WATER
To Next Page
Loading...
Need help?
General
