The points described in these in-
structions must be observed in all
cases. Failure to do so shall invali-
date the warranty. For any addi-
tional items purchased through
GRAF, you will receive separate
installation instructions in the
transport packaging.
The components must be checked
for any damage before the system
is transferred to the pit.
You will receive separate instruc-
tions for installation of the system.
Be sure to read before starting
up!
Contents
1. General information 2
2. Safety 3
3. Description of function 6
4. Control unit 8
5. Start-up 18
6. Level measurement 19
7. Operation and maintenance 22
8. Fault messages and rectification 28
9. EC conformity declaration 31
10. Technical data 32
11. Template for weekly / monthly check notes 34
12. Maintenance log for GRAF small wastewater
treatment systems 37
13. Notes 39
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