19 - 25
Fig.5 Fig.6 Fig.7
Power switched on
Connection NC - COM COM - NO
Sufficient, lubricant The contact closed The contact open
Insufficient, lubricant The contact open The contact closed
Fig.8 Fig.9
2-4.4 Wiring and alarm
Warning !! To prevent chance of serious injury, death or property damage,
disconnect the product from main power supply before working on it.
Install a fuse between the power supply and the product is strongly recommended!
The electrical circuit diagram of the lubrication unit is affixed inside the unit and can
be accessed by removing the cap.
Remove the cap (Fig.5) and inside you can see terminal plate and cable gland nut.
Loosen cable gland (Fig.6) and then insert cable through the cable gland hole (Fig.7) to
wire up. Fix the cable gland to the housing.
After electric connection is completed and then the power switched on, the level switch
would send a signal to the lubrication unit with alarm and alarm indicator light and the
motor stops at the same time when lubricant is insufficient. The user can connect terminal
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