General Specifications For Maintenance, Inspections, And Operation; Duties Of The Operator; Daily Check - Graf oneAdvanced Operation Manual

7.1 General specifications for maintenance, inspections, and
operation
The plant must remain switched ON at all times. The sole exception is during maintenance. If
the plant is switched OFF for more than 24 hours, it will be unable to clean the wastewater
properly, if at all.
Switch OFF the plant for maintenance and repair purposes only, and switch it back ON
immediately after this work!
Before all work on the mechanical, electrical, and pneumatic/hydraulic components,
first set the main switch to the position »0« or disconnect the controller's mains plug.

7.2 Duties of the operator

The operator of a wastewater treatment system is obliged to safeguard its reliable operation and
to maintain an operating log book.
This operating log book must list e.g.
Measured values
deviations from nominal values
malfunctions
The water authorities may ask to see this log. Reliable operation requires the operator to con-
duct the regular inspections listed in the following.
7.2.1

Daily check

Check that the plant is operating properly.
The illuminated inspection LED is green, and there is no acoustic warning:
The plant is operating properly.
The illuminated inspection LED is yellow or red:
The plant is malfunctioning. Immediately remedy the malfunction, or notify your mainte-
nance partner.
7. Operation and maintenance
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