Mitsubishi Electric GT11 User Manual page 73

Make sure to carry out the followings for grounding.
• Carry out the independent grounding if possible.
• If the independent grounding is impossible, carry out the shared grounding as shown in fig.2) below.
GOT
Grounding
(100 or less)
(1) Independent ground
...... Best condition
2
• Use the cable of 2mm
Set the grounding point closer to the GOT to make the grounding cable short as possible.
Recommended terminal shape
• Terminal screws should be tightened to between 0.5 to 0.8 N·m.
Terminal screws must be secured to prevent a loose connection thus avoiding a malfunction.
Failure to do so may cause equipment failures or malfunctions.
3.2
6.2mm
or less
3.2
6.2mm
or less
Cable size
Solderless terminal
Tightening torque
Other
GOT
device
Grounding
(100
(2) Shared grounding
...... Good condition
or more for grounding.
Terminal
screw
When wiring one cable to
one terminal
2
For power supply: 0.75mm min. For grounding: 2mm
M3 solderless terminal (applicable solderless terminal: RAV 1.25-3, V2-N3A and FV2-N3A)
0.5 to 0.8N•m
Other
GOT
device
or less)
(3) Common grounding
...... Not allowed
Solderless
terminal
When wiring two cables to
one terminal
2
min.
7.1 Power Supply Wiring
7.1.1 Wiring example
Other
device
Terminal Solderless
screw terminal
7 - 3
1
2
3
4
5
6
7
8