Graf one2clean+ XXL, Instruction For Operation And Maintenance

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12 . Maintenance log for GRAF small wastewater treatment systems
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Comments:
Blower:
Blower type: Blower OK
Change the slats (slat length: mm): Change the membranes
Filter change Cooling fan OK
Comments:
Time of sampling: Date: Time:
Sampling site: Sampling shaft SBR chamber
Sample
transport:
cooled 4°C frozen
Air temperature: °C Water temperature: °C
Odour none weak strong rotten earthy
Colouring none weak strong beige brown
Cloudiness none weak strong opaque
Floating matter none a little a lot
Dry substance
Activated sludge kg SOL / m³ P
total
ml / l
Substances that can
settle
ml / l pH
BOD
5
ml / l COD ml / l
NH
4
-N ml / l N
tot
ml / l
Additional comments:
Operating log available. Maintenance noted in the log.
Programming modified:
Fault rectified:
Additional comments:
To be arranged by the operator:
The operator is asked to note the substances which must not enter the system (see operating manual).
Pit is overflowing, operator must discharge content.
Sludge removal
Date and signature