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It is assumed the operator will operate the MLT pumps at the same <br /> time as the discharge pump, or the SLR pumps at the same time as NOTES <br /> the MLT pumps. The duration of manual control generally will not <br /> exceed one hour, and the electrical loads calculated for automatic <br /> operation will prove satisfactory. <br /> TREATMENT PLANT ALARM <br /> Aqua(lear systems are provided with sensors located inside the aera- <br /> tion tank and with internal main control panel circuit-breaker activa- <br /> tion. Alarm activation capabilities are: 1) main incoming power fail- <br /> ure to the treatment plant; 2) high water level in aeration chamber; <br /> 3) internal equipment overload. <br /> Alarm operation is independent of the treatment plant power source <br /> and will operate a remote light, horn, or automatic telephone dialer. <br /> 21 <br />