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Connecting the power terminal
f Connect the cables to the terminal board using a solderless ring terminal .
f Properly connect the cables by using certified and rated cables and make sure to fix them properly so that external force
is not applied to the terminal .
f Use a driver and wrench that can apply the rated torque when tightening the screws on the terminal board .
f Tighten the terminal screws by applying rated torque value . If the terminal is loose, arc heat may occur and cause fire and
if the terminal is connected too firmly, terminal may get damaged .
L
N
1(L) 2(N)
L
<DVM Hydro unit HT>
Solderless terminal
Connect one cable per terminal
and fix it with a solderless terminal .
<DVM Hydro unit >
N
Power cable
Terminal name
External contact
M3
Communication
M3 . 5
Power
M4
Tightening Torque
0 . 5 ~ 0 . 7 5 N·m
(0 . 3 7 ~ 0 . 5 5 lbf·ft)
0 . 8 ~ 1 . 2 N·m
(0 . 5 9 ~ 0 . 8 9 lbf·ft)
1 . 2 ~ 1 . 8 N·m
(0 . 8 9 ~ 1 . 3 3 lbf·ft)
35
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