Hitachi HISCREW 2000 Series - 8. PERIODIC MAINTENANCE; 8.1 Periodic Maintenance for Compressor

42
ON
OFF
12345678
SW1
42 6
Ｓ
Ｋ
Ｓ
Ｋ
Ｓ
Ｋ
Ｓ
Ｋ
52 88F
CECECE
CE
3 1
63E
CE CE
1 2
CE
20US
CN20
CN23
CN4
7
5 3 1
124 3
1
2
3
4
1
2
CN11
CN10
TH2
1
2
CN9
TH1
63SV
1
2
CN8
S3
8
7
9
10
11
1615
13
12
49M 1
49M 2
88F
52
14
CE
PS
（1）
CN14
Y6 Y42
11 10 9
19.2V 9.2V
6 42
PWB1（HC35）
C
C
D
3φ
AC380/400/415V 50Hz
AC400/440V 60Hz

R ST
TB1
ELB
RST
52
49M 1
UV W
X
IM1
42
ZY
6
88F
49M 2
IM2
UV W
R 1
TB3
S 1 T 1 R D S D T D
U1 V1 W 1
U2 V2
W 2
22/37kW
52C
49M 3
IM3
UV W
1.1kW
88
IM4
25W
TRD（3.2kVA）
380/400
415/440V
380/400
415/440V
200V
T1
S1
R1
EF1
EF2
TR
R1
S1
T1
RP
SP
200V
RS
SS
（5A×2）
EF3
EF4
（5A×2）
R2
S2
46 42
T3
22kW 210VA
37kW 250VA
()
46
RST
CN22
12
T4
R3
T5R4
IM5
25W
D
37kW EXK225150AorEX225K125A
22kW EX100B100AorEX100BK75A
200mA
22kW：0.75kW
37kW：1.5kW
46D
RUNNINGMODELight
button button
START
button
RESET
button
ECOMODE
button
SELECT
button
DRYER
STOP
POWER
light
PWB2
DigitalMonitor
Type of ELB shown is the case of 380-440 V.
In practice, determine the type by consideration
of wire thickness and distance, and transformer
capacity. (Out of scope of supply)
(Earth leakage breaker)
（only37kWequipped）
（only37kWequipped）
Thisshowssettingatcompressorside.
Thisshowssettingatdryerside.
OOYY
R
W
B
R
R
7.6.8 Differential voltage wiring diagram (380/400/415/440 V)
7. INSTRUCTIONS FOR INSTALLATION [Instructions on Electrical Wiring]
Compressor motor
Cooling fan motor
Main electromagnetic contactor
Electromagnetic contactor for
Electromagnetic contactor for
Electromagnetic contactor for fan
Thermal relay
Control PC board
Display PC board
Thermistor (discharge temp. 1)
Thermistor (discharge temp. 2)
Blow-off solenoid valve
Starting solenoid valve
Pressure sensor
Pressure switch
Pressure differential sensor of air intake filter
Cooling fan motor (for starter)
Dip switch for setting
Dip switch for dryer / capacity control
Arrestor
Transformer
Transistor output
Supplementary relay
Terminal board
Fuse
Surge killer
Contactor
Connector
Reversal phase relay
Motor for air dryer refrigerator
Motor for air dryer condenser
Electromagnetic contactor for dryer
High pressure switch
Fan control switch for dryer
Overheat protection thermostat for dryer
Thermal protector for dryer
Stepdown transformer for air dryer
IM1
IM2
52
42
6
88F
49M
PWB1
PWB2
TH1
TH2
20P
20US
PS(1)
63E
63SV
FM
SW1
SW2
DSA
TR,TR1
Tr
Y
TB
EF
SK
CE
CN
46,46D
IM3
IM4,5
52C,88
PS1
PS2
OHR
49FC
TRD
Symbol Part name Symbol Part name