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(2) Information of common grounding
Implement grounding of outside box and loading equipments independently. However, common
grounding is acceptable if independent grounding is difficult.
① Select the right grounding cable with the maximum diameter.
② Select the right grounding cable with the minimum grounding resistance.
③ Reliably screw down the terminals.
(4) Cautions when grounding the generator
● Grounding rod should be placed in the shady and wet place. Upper part of it shall be
completely in the soil.
● Clamp the cable securely to avoid catching the people who walk pass.
● Connect the extended cable as following:
Weld the extended cable or use the proper sleeve. Cover the connection part with insulation
tape. The connection part shall be above the ground. Please check it periodically.
● Keep the grounding rod at least 2m away from the lighting rod.
● Don’t use the same grounding cable with telephone.
● Don’t use the same grounding cable with others.
Screw on the bolts securely with a wrench when connecting the load equipment. Otherwise,
overheat may be resulted, even fire hazard.
4.4 Connection of load equipment
(1) The connection method of the three-phase four-wire terminal
Connect the cable with 3-phase joint of output terminal.
Don’t connect the terminal until you make sure the phase and
voltage of the load. There are terminal posts of three-phase four-wire on the panel.
If 3-phase motor rotates in the reverse direction, please exchange any two lines of three
terminals.
U
V
W
N
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