NOTE
Not protecting the relay contacts can shorten relay contact life and can have
an effect on the performance of the FullClean Plus in certain conditions.
When using ac valves, diodes cannot be used for relay contact protection.
Use varistors instead.
9.3. Circulation Cleaning Installation
Figure 5 shows a flow diagram of the Circulation Cleaning system. The principle of this
cleaning system is to wash the milking equipment in three or four phases:
• Pre-rinse phase: Lukewarm water is flushed through the system once, to remove milk
residues
• Primary cleaning phase: Hot water with some kind of detergent is circulated through
the system for a certain time to remove fat and protein residues
• After-rinse phase: Cold water is flushed through the system to remove detergent
residues
• Second after-rinse phase: Double procedure, the same as after-rinse
Figure 5 Circulation Cleaning System Flow Diagram
Labels and output numbers used in this diagram are also used in the wiring schedule for this
system in Figure 6.
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