Service Handbook OEB/OES/OGB/OGS
AS/11-2011 2_03_05e_Automatic Cleaning_c
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Information Automatic Cleaning process:
In automatic cleaning, various processes in the unit are called up/applied. This is
why it is an optimal time to check all operations in the units, as to whether all the
processes are functioning freely.
1. Check: Is the water tap open/water level regulation functioning?
In units with a steam generator, the steam generator is emptied by the
steam generator pump until the lowest water level probe is reached and then
refilled.
In units with direct injection, the solenoid valve Y4 is opened and the
pressure switch S1 checks if water pressure exists.
2. Drying and demoisturizing oven ( In Gas units, this step takes longer than
in electric units, because the heat exchanger pipes must be cooled before the
cleaner can be injected).
3. Cleaner injection.
4. Working time with changing fan directions (for optimal distribution of cleaner)
and various Stop phases (
In units with steam generator an additional 10
min. Steaming at 100°C).
5. Short water blasts from the cleaning system water nozzles.
6. Flushing cleaner: Water from the water nozzles flushes the cleaner thoroughly
and intensively from the oven. During this phase, the cleaner pipes and
nozzles are rinsed clean with CONVOCare (neutralized).
7. Steam generator flushing and condenser flushing.
8. Steam disinfection: 5 Min. Steaming at 100°C
9. Sterilization (can be selected in Service programme c20) 10 Min. Convection
at 200°C.
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Information:
In the cleaning steps 2, 3 and 4, before step 7 the steps 2-6 are repeated in
order to achieve an intensive cleaning.
In step 4+ shine after step 6 as intermediate step CONVOCare is injected and
flushed out again followed by steps 7, 8 and possibly 9 (This creates an
additional luster).
Cross reference:
Service Handbook 2.3.6 Water Flow plan
Service Handbook 4.3 Cleaning the unit
Service Handbook 5. Trouble shooting and Error Codes Electronic
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