6. Electrical Wiring   
1. In case of models without electrical control circuit 
・Remove cover on the body of Micron-Lub lubrication unit 
after unscrewing cover-retaining screws. 
Then, terminal block for electrical wiring will appear. 
Connect wiring to each terminal according to electrical 
control circuit. 
A twin-timer or a programmable controller, which 
controls interval time to activate PV 3-port solenoid 
valve for actuating the pump, must be equipped by the 
users. 
・Connecting wiring to the pressure switch and the level 
switch, and to the 3-port valve actuating pump would be 
connected to the terminals from No. 3 through No. 10. 
・Electrical wiring of control signal, alarming signal and etc. 
will be connected to the terminals through cord-lock. 
・After completion of the wiring, attach the cover firmly to 
the original position. 
 
 
・Twin timer or programmable controller should be prepared in advance separately for the 
interval oil shot operation of the pump in the Micron-Lub lubrication unit. (MC9 models 
with electrical control circuit are excepted) 
・User side must make electrical control circuit for the Micron-Lub lubrication system.