Riken Keiki GD-3EC, Technical Manual

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4. Installation 4-9 Alarm relay setting (option)
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CAUTION

Note that recurring use with the alarm relay contacts normally closed may result in the contacts seizing
due to minute vibrations.

Connect the alarm relay cable and sensor before turning on the power to the product.
To set the alarm relay, connect the alarm unit cables to the TN2 (Relay1), TN3 (Relay2), and TN4 (Relay3)
terminal plates on the main unit (SD-3/SD-3SC).
1 Unscrew the M4 hex socket set screw on the main
unit cover, then rotate the cover counterclockwise
to remove.
Use a hex key wrench (2 across flats) to unscrew the
M4 hex socket set screw.
Be careful to avoid dropping the cover while unscrewing
and removing it.
2 Unscrew the two M3 screws securing the display
unit.
3 Pull out the display unit and hang on the lug on the
housing.
The display unit is connected to the terminal plate unit
by a flat cable. Pulling with excessive force may
disconnect the cable.
During the removal process, avoid pulling on the display
unit with excessive force.
Lug on housing
Lug on housing
Display unit