11
Operation of the system
User qualification, system operation: trained user, see
‘Users' qualifications’ on page 10
WARNING!
Danger of slipping
Danger due to the escaping of water or polymer.
Mixtures of polymer and water are slippery
–
Ensure that you have a secure foothold when filling the
dry product hopper
–
Immediately remove any spilled powdered polymer or
leaked polymer solution
–
Always observe the safety data sheet for the polymer
used.
11.1 Normal mode
11.1.1 Prerequisites for correct and proper operation
WARNING!
Danger due to system operation
The system may only be operated by instructed personnel
–
The system can in principle be stopped and restarted in
every operating phase
–
The cause of a fault should be eliminated before the cor‐
responding fault message is acknowledged. However,
you can silence the horn by pressing the key
‘Horn off’
.
Requirements:
n
A reasonable operating parameter set-up
n
An accurate calibration
n
No unauthorised parameter changes to the frequency converter
11.1.2 Refilling the feed hopper with powdered polymer
If the feed hopper is not automatically filled by a small feed unit, the supply
of powdered polymer must be continuously checked and refilled in good
time.
This can be done while the system is operational. To do so, remove the
cover of the feed hopper and carefully shake in powdered polymer.
11.1.3 Refilling the concentrate storage tank with liquid polymer
If the concentrate storage tank is not automatically refilled, the reservoir of
liquid polymer must be continuously checked and refilled in good time.
Operation of the system
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