
B–70115EN/03
9. SETTING AND ADJUSTMENT
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(10)Gradually reduce the flow rate of the water supply. Check the rate
at which the switch trips off. Then, gradually increase the flow rate.
If the alarm flow rate is within the following range, the sensor is
normal.
If the alarm range is exceeded, repeat step (8) and subsequent steps.
Model Alarm range
C1500B 33 to 37 ȏ/min
C2000B 49 to 55 ȏ/min
C3000C 81 to 89 ȏ/min
(11) Reduce the flow rate to turn off the flow switch. Gradually open the
valve, checking the flow rate at which the switch trips on. If the flow
rate is within the following range, the sensor is normal.
If the range is exceeded, the system flow rate may fluctuate. Repeat
the check.
Model Sensor ON range
C1500B 37 to 46 ȏ/min
C2000B 55 to 69 ȏ/min
C3000B
C3000C
89 to 110 ȏ/min
(12)Fully tighten the flow switch. Test its operation again.
(13)Remove the jig and replace the sensor cover. Be careful not to
damage the cable with the edge of the cover. Connect the cable to the
connector.