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Miscellaneous Reference Data
Electric Wiring Work
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Main machine (Machining center)
Power line (3 line)
Earth leakage circuit breaker
Power line (3 line)
Signal (2 line)
Main machine (Machining center)
Power line (3 line)
Main machine (Machining center)
Earth leakage circuit breaker
Remote control switch
Earth leakage circuit breaker
Control panel
Conduct electric wiring according to the local wiring standard.
For the power supply, be sure to use the commercial power source. If you use the inverter power source or other power
source, the product may cause burnout.
The Oil Cooling Unit is not equipped with an earth leakage circuit breaker. An earth leakage circuit breaker exclusively
for the unit should be mounted to the main machine.
For electric wiring, refer to the electric wiring diagram on the nameplate attached to the rear of the switch box cover.
Do not change the wiring in the Oil Cooling Unit. Do not touch the protection devices.
To turn ON the power supply for the Oil Cooling Unit, the following three methods are available:
When the earth leakage circuit breaker for the main machine is turned ON, the Oil Cooling Unit starts operation. To stop
the unit, turn OFF the earth leakage circuit breaker for the main machine.
Directly starting/stopping the Oil Cooling Unit with the main machine power supply
When the remote control switch is turned ON, the Oil Cooling Unit starts operation. To stop the unit, turn OFF the remote
control switch.
Starting/stopping the Oil Cooling Unit with the remote control contact
If you keep pressing the and keys for at least 5 seconds in the “operation lock” mode, the Oil Cooling Unit starts
operation according to preset conditions. If you keep pressing the and keys for at least 5 seconds during
operation, “Loc” blinks on the data display, and the Oil Cooling Unit will be stopped (locked).
Starting/stopping the Oil Cooling Unit with the control panel
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4-1. Starting/stopping the Oil Cooling Unit
00_PB00540A_M10.indb 156 2023/08/09 12:59:27
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