31
Ins
tal
lation
Wiring
Connect an external signal cable.
a. Detach the plug from the socket.
b. Use a precision screwdriver to
connect the signal wires on the
plug and then attach the plug to the
socket.
c. Adjust the slackness of the external
signal cable, pulling it out.
d. Securely hand tighten the cord nut.
* The external signal cable is sealed by the
cord gasket.
Wiring diagram
When a no-voltage contact is used
When an open collector signal is used
Attach the controller in a reverse way of the item 1 and 2.
Tightening torque
Fixing screw (For mounting control unit)
0.39 N•m
Tapping screw A (For mounting control unit)
0.39 N•m
Tapping screw B (For mounting control cover)
0.8 N•m
NOTE
Always check that gaskets (a rubber cap,
fi
xing screw gasket and a case gasket)
are
fi
tted. Otherwise, the liquid may enter the control unit and failure may result.
Plug
Socket
Power cable terminal
Plug
STOP signal
EXT signal
Plug
STOP signal
EXT signal
5
6
* The pump does not break but not
run if wiring is done incorrectly.
Summary of Contents for EHN-R
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