Frequently Asked Questions



1. What maintenance has to be done to the treatment system after installation?

A: The Aerobic Treatment Unit (ATU) is very easy to operate and maintain for both the homeowner and the service provider. It was designed to be as simple as possible without hidden expense on the end user. There are certain things that you should know about the new unit.


Check air pump to sure it is operating. Once accustomed to the soft humming sound of a properly operating unit, any unusual noise is an indication of a malfunction. If noise is detected or if alarm signals, check power source, the call dealer for service.

Check water discharge monthly. If discharge is black or murky, call dealer for service.

Check inlet filter on air pump every six months and change or wash, if necessary. Filter should be cleaned or changed more often if conditions warrant.


2. How does the system operate?


A: Once installed, the blower will run twenty-four (24) hours a day, so the systems will operate with a minimal amount of attention. It will take 4 to 16 weeks after startup to develop an optimum amount of micro-organisms. To ensure proper operation and minimize maintenance requirements, the following material should not be permitted to enter the system:

Strong disinfectants or bleaches (other than small amounts normally used in laundry – be conservative).

Oils, greases, and chemical wastes.

Disposable diapers, tampons, sanitary napkins, cigarette butts, latex / rubber products, and similar items.

Discharge from water softener.


3. What does the manufacturers warranty not cover?

1. Misuse, abuse or any repair or alteration performed by anyone other than authorized representatives of Acquired Wastewater Technologies.

2. Use of components other than authorized Acquired Wastewater Technologies components parts.

3. Non-Sewage water flows caused by infiltration, storm water connections, leakage from improperly maintained plumbing fixtures, water softeners, etc.

4. Failure to maintain electrical power to the treatment system in accordance with the requirements of the certified manufacturer or the authorized service representative.

5. The disposal into the Aerobic Treatment Unit of any non - biodegradable materials (i.e. plastic and rubber products, coffee grounds, chemicals, solvents, grease, oil, paints, or any other type of non - domestic wastewater.

6. Short term of daily sewage flows to the Aerobic Treatment Unit that exceeds the system’s hydraulic organic design capabilities.

7. Any usage contrary to the Aerobic Treatment Unit owner’s manual and/or beyond the recommendations of the certified manufacturer (Acquired Wastewater Technologies.)


4. What services should be preformed during maintenance calls?

This is a list of the items that need to be performed during one of four of the maintenance service calls, which the service provider of that unit will be performing.

1. Check the control panel and all electrical connections. Make sure they are secure and free of dirt and debris that would not permit proper operation.

2. Check the high water alarm system for the same. Make sure the alarm has not activated.

3. Check the aerator for proper operation. Make sure pest (ants or any bugs) have not started to collect around the aerator. Check the aerator platform. Make sure it is clean and level. The Aerobic Treatment Unit will have items 1, 2, and 3 on one unit so this part of the service call can be done rather quickly.

4. Check for strong odors and colored effluent (water draining from the unit). If you notice any problems with the effluent, contact the system owner for information on what they use inside the house.

5. Check the diffuser and the water body inside the aeration chamber. Make sure the air is properly being diffused into the water. The water color in the aeration chamber should be a chocolate brown color.

6. Make sure the water at the top of the clarifier is clear in color without scum floating at the top.

7. Although we do not have jurisdiction over the point of discharge (i.e. chlorine disinfecting systems, filters, drip systems, surface irrigation systems, drain fields, etc.) we do recommend that you review the point of discharge to hedge against any malfunctions. This will add value to your service and may help your annual sales.


5. What should be checked for to insure proper operation of the ATU?

1. Install the ATU according to the installation procedure found in this manual.

2. Make sure the aerator is installed in a dry well-ventilated area.

3. Maintain electrical (115 volt) power to the compressor at all times, unless otherwise advised by your authorized ATU representative.

4. Check the access lid to make sure that it is properly secure and fastened to prevent any unauthorized entry.

5. Periodically pump excess solids and scum build-up, your compressor and alarm indicator for proper operation. Make sure all clamps and fittings are tight with no leaks in the airline.


6. What should the homeowner know upon installation?

Do not - put non biodegradable materials into the system.
Do not - put excessive grease or cooking oil into the system.
Do not - put solvents, paints, drain cleaner, or other toxic materials into the system
Do not - allow surface water to pond around the unit
Do not - allow non - sewage water to enter the unit.
Do not - allow the backwash from a water softener to enter the unit.
Do not - allow infiltration of rainwater into the unit.
Do not - allow anyone to service or maintain the system unless they are certified to do so.


7. Is there anything that needs to be added to the ATU to keep it performing correctly?

A: Do Not add any products used for septic tanks, if you think something is needed we have a product called BluGuard which is geared for the Aerobic Treatment Unit.


8. Who do I call if we have a problem and don't know who installed the ATU?

A: You can give us a call at 800-999-0615, you will need the serial number of the aerator when you call.