in color, it is operating in an undesirable anaerobic condition. The system should be clear
with very few noticeable light brown solids suspended in the effluent. The effluent should
not be dark or turbid in color or clear with great numbers of light brown suspended solids
noticeable. After inspection of the system’s interior, be sure to securely fasten the access
cover back in place and tighten the tamper resistant bolt or bolts firmly.
To collect effluent samples from a system, a port must be added downstream of the
effluent discharge. The sample port should be installed so that effluent cannot remain
below the discharge water line and build up solids. A sample bottle should be capable
of being lowered into the port on a string and laid on its side in the direct flow line of the
discharge and removed when full of effluent.
The expected effluent from the system should be less than 25mg/l CBOD and less than
30mg/l TSS with a PH range of 6-9.
For the first two (2) years from the date of installation, your local servicing dealer
(from whom you purchased your Clearstream System) will make periodic inspections of
your system to make sure it is functioning properly. The dealer will perform necessary
maintenance to the system at no charge unless the required maintenance is not warranty
related. Pumping of the system is not included. After the first two (2) years, the
dealer will offer a continuing service policy for a nominal annual fee. The two (2) year
service policy and the continuing service policy are minimum requirements of NSF
International. If local service requirements are greater than those of NSF, or if the local
regulations require others to perform the service on these units, Clearstream’s limited
warranty will still be honored.
For the Clearstream Aerobic Wastewater Treatment Unit to function properly it must
be used for the treatment of domestic wastewater from residences or other waste flows
with similar loading characteristics. Typical domestic wastewater consists of the flow
from toilets, lavatories, sinks, bathtubs/showers and washing machines. To prevent
malfunctions of your Clearstream Unit, the following guidelines should be followed:
1. Any sewage system, whether aerobic or septic, should not have inorganic materials
(plastics, cigarette butts, throwaway diapers, feminine napkins, condoms, etc.), that the
bacteria cannot consume, discharged into the system.
2. Large amounts of harsh chemicals, oil, grease, high sudsing detergents, discharge from
water softeners, disinfectants or any other chemical or substance that kills bacteria should
not be discharged into the system.
3. Excessive use of water, over the design flow of the system, or organic overloading in
excess of design parameters will cause the system not to perform to its fullest capabilities.
4. The proper operation of this or any other sewage treatment system depends upon the
proper organic loading and the life of the micro-organisms inside the system. Clearstream
is not responsible for the in-field operation of a system, other than the mechanical and
structural workings of the system itself. Field abuse and overloading of the system can
only be cured by the user of the system.
NCD 1000-1500 SERIES OWNERS MANUAL PAGE 3
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