Delta Electronics Wastewater Treatment System DF Series

• Check the treatment plant for offensive odor. If such a condition should develop, call an authorized Delta Treatment Systems dealer/distributor.;

Performed by a certified service provider.

• Clean air filter on the air pump

• Inspect and make any necessary adjustments to mechanical and electrical components.

– Make sure all components are functioning properly, (alarms, switches, air pump, etc.).

• Inspect the color and turbidity of the effluent and check for any odor.

– No offensive odors should be present; an earthy odor is typical.

• Take a sample from the aeration tank and perform a 30-minute settleability test described in the “Solids Removal” section.

• Break up any sludge that may have developed in the clarifier so it can return to the aeration zone. Care should be taken to prevent solids from leaving the unit.

• The homeowner must be notified in writing if any improper operation is observed and cannot be corrected at the time of service.

• Observe the warning device, which comes on when the power to the air pump has been interrupted or when the air supply system has malfunctioned. If the alarm is activated, check for a blown fuse or thrown circuit breaker.

Check air pump to be sure it is operating. Once accustomed to the soft humming sound of a properly operating unit, any unusual noise is an indication of malfunction. If an unusual noise is detected or total failure is observed, call an authorized Delta Treatment Systems dealer/distributor.;

• The air filter on the air pump should be cleaned. Rinse with warm water if necessary. (See installation instructions.) Do not use oil or other solvents.;