OPERATING MANUAL
In the event you experience a problem with your Clearstream Aerobic Treatment System
or if service is required, you may reference the Clearstream Control Panel Cover for the
name, address and phone number of a local service person that can provide service for
your Clearstream Unit. After the expiration of your initial two-year service policy provided
by your system installer, you may obtain a continuing service policy on a yearly basis which
will include terms comparable to the initial service policy from a local service person that is
trained and certified by Clearstream.
For the Clearstream System to function at optimum performance levels, the system will
require periodic service. The normally expected service that is associated with the system
includes:
1. Repair or replace aerator
2 to 10 years
2. Clean filters on aerator
6 mos. to 2 years
3. Break up scum in clarifier
6 mos. to 2 years
4. Pump sludge from aeration tank
2 to 5 years*
5. Pump sludge from pretreatment tank
2 to 5 years*
6. Check aeration diffusers
annually
7. Check surge control weir
6 mos.
*Any sludge removed from pretreatment tank or Clearstream Unit must be disposed of
according to all state, local and regulatory requirements.
To remove solids from the pretreatment tank, drop pump hose through access
opening on top of tank all the way through to the bottom of the tank. Pump out the whole
tank volume, then fill the tank back up immediately. To remove solids from the aeration
chamber, drop hose through access opening in tank all the way to the bottom of the tank.
Pump only 1/2 of the total tank volume and fill back up with water immediately.
To determine if all system components are functioning properly, look and/or listen
to see if the visual/audio alarm system is illuminated or making a buzzing sound. If the
alarm is activated, then either the aerator has thrown its breaker or the high-level float
inside the clarifier is indicating a high water level condition. Verification of either condition
can be made by visually monitoring the push
button breaker to see if is in the out position
indicating it has been thrown and opening the access opening to the treatment unit to see
if the water level inside the clarifier is at alarm level. After inspection of the clarifier, be
sure to securely fasten the access cover back in place and tighten the tamper resistant
bolt or bolts firmly.
To determine if the system has the desirable “mixed liquor” and effluent characteristics,
first remove the access cover. Monitor for odors coming from the tank. If the odor is a
sweet or a musty smell, the system is operating in a desirable aerobic condition. If the
odor is a foul or smells like rotten egg, then the system is operating in an undesirable
anaerobic condition. Visually monitor the “mixed liquor” for color. If the color is a
brownish color, then it is operating in a desirable aerobic condition. If it is grey or black
NCD 1000-1500 SERIES OWNERS MANUAL PAGE 2
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