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When flow equalization is used, only one timer based controller at the front of the system may be necessary since anything after that will be dosed at the equalized rate. Double time dosing and double demand dosing are also available.

TIMER CONTROL SEQUENCE OF OPERATION
The pump control panel shall be equipped with two float switches to control the timed doses to be discharged. When the water level rises high enough to overcome the "Timer Enable" (first) float the repeat cycle timer will begin timing the "off" period. When the "off" period has timed out, the pump will activate and the timer will begin timing the "on" period. The pump shall continue to run for the length of time as programmed on the "on" period. When the timer has finished timing out the "on" period, the pump will shut off and the timer will begin timing out the "off" period again. This cycle will repeat itself until the water level drops below the "Timer Float".

SIMPLEX SEQUENCE OF OPERATION
The wastewater is discharged into a pump tank. This tank is provided with a pump controlled by three (3) float switches to control, by volume, each dose to be discharged. When water rises in the chamber, the lower float will rise. Water will continue to rise until the middle float rises and actuates the pump. The pumping volume may be adjusted by increasing the separation between the lower and middle float.

ALARM OPERATION
In the event of mechanical failure, the water will continue to rise. Upon the alarm float rising, an alarm contact will be closed. The alarm light and the audible alarm shall activate. The controller shall continue to sound the alarm until the system is serviced. The alarm test-off-normal (test-normal-silence for auto-reset alarm)switch may be turned to the off (silence) position to silence the audible portion of the alarm and turn off the top mounted light. For the pump to be automatically actuated, the pump switch must be on "auto". The pump may also be operated in the "manual" position.

INTEGRATED OPERATION
In the event the second pump tank reaches high level and alarms, the controller will not allow the first pump to discharge in order not to overflow the second chamber. When the first tank reaches high level, the alarm will sound again.

If the water level continues to rise enough to overcome the "High Level" (second) float, the audio/visual alarm shall activate until silenced by pressing the silence switch. The alarm circuit shall automatically reset when the "High Level" float returns to its normal position.

ITEMDESCRIPTION
CSEPR-B4817   CSEPRAB124-AJLR (MULTI-FUNCTION)
CSEQ-B4813PCSEQAB124-ACEFJL

AMERICAN MANUFACTURING COMPANY, INC.
Last revised: Mar-1-2011
Comments to: info@americanonsite.com
Copyright © American Manufacturing Company, Inc., 2000

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