
B-70315EN/02 7.UNITS
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7.12.2.2 For C2000-E, C4000-E, C5000-E and C6000-E
CAUTION
Remove the key of the switch not never to turn on
the start signal (RUN).
(1) Turn the CNC on. Never turn on the oscillator start signal (RUN)
at this stage. Therefore, drive the chiller unit in the manual
operation.
(2) Adjust the flow rate of cooling water flowing into the oscillator
to an alarm setting flow rate. Use a flowmeter with a proper and
accurate rated flow rate.
Model Alarm setting flow rate Rated flow rate
C2000-E 50 liters/minute 75 liters/minute
C4000-E 120 liters/minute 160 liters/minute
C5000-E 120 liters/minute 160 liters/minute
C6000-E (A: Maintenance side) 95 liters/minute 125 liters/minute
C6000-E (B: Rear side) 95 liters/minute 125 liters/minute
(3) Check that the LED (green) of the flow sensor is turned on.
djustment volume
Cock LED
Drain valve
(4) Adjust the knob of the flow sensor to a minimum level where the
LED (red) is turned on.
(5) Open the valve at the chiller outlet, make an adjustment to the
alarm-off setting flow rate, and check that the red LED of the
water flow sensor is turned on.
Model Alarm-off setting flow rate
C2000-E 55 liters/minute
C4000-E 125 liters/minute
C5000-E 125 liters/minute
C6000-E (A) 105 liters/minute
C6000-E (B) 105 liters/minute
(6) Close the valve again, make an adjustment to the alarm setting
flow rate, and check that the red LED of the water flow sensor is
turned on.