Hanshin Machinery GRH 3 series, User Manual

Page: 22 / 79

22 / Hanshin
2. Names of Parts 3. Electic Wiring
3. Electic Wiring
3-1 Wiring
1. Wiring
The compressor is already wired internally. If
opening the front door, you may find a hole for
lead-in power cable on the bottom of the right side.
Insert a wire into the hole for connection.
If opening the front door, there is TB1. Please
connect the power to it.
In case of wiring to the electric box, use rubber
bushing to protect the cable sheath and wire it to
avoid removal of the sheath.
Cable lead-in
hole
TB1
Power
connection
terminal
Grounding
terminal spec.
for the lead-in : M8
2. Electric cable specifications.
Use the EV or CV cable for 600V. For the thickness,
refer to page 24.
3. Grounding
Ground in accordance with the KSC Rules. The
grounding terminal inside the compressor’s electric
box is located as presented in the below figure.
Main motor cap.
15(kW)
18(kW)
22(kW)
27(kW)
37(kW)
55(kW)
75(kW)
110(kW)
150(kW)
AC220V
48A
58A
71A
87A
119A
178A
242A
356A
486A
AC380V
28A
33A
41A
50A
69A
103A
140A
206A
281A
AC440V
24A
29A
35A
43A
60A
89A
121A
178A
243A
Rated current of main motor
* The rated current may vary depending on a motor type.
The lead-in cabling to the compressor should be executed by an competent
engineer. Any poor wiring may cause electic shock or other electric fault.
Do not alter control parts or electric circuits attached to the electric box. The
compressor may be damaged due to malfunction of protection.
When opening the electric box door for routine maintenance or repairs, the main
power should be turned off to avoid any electric shock accident.
Caution