
B-70265EN/02 7.UNITS
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7.12.2.2 For C2000-E, C4000-E, C5000-E, and C6000-E
(1) 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
(2) Check that the LED (green) of the flow sensor is turned on.
djustment volume
Cock LED
Drain valve
(3) Adjust the knob of the flow sensor to a minimum level where the
LED (red) is turned on.
(4) 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
(5) 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.