Vermes MDS 358X - Rinsing with a Purifying Agent

Cleaning
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VTK-TR-BA-072e-1 - User Manual MDS 358X Series
INFORMATION
Automatic closing
After ca. 2 min the valve closes automatically, in order to protect the actuator.
Alternatively, the procedure can be performed by the RS-232C interface. Use the commands
VALVE:UP and VALVE:DOWN for this purpose.
Step 7:
– Separate the compressed-air connection and remove the cartridge.
Step 8:
– Make sure the collected liquid in the container is disposed of according to local regulation.
9.4.2 Rinsing with a purifying agent
After pre-purification by compressed air, residual liquid may still be present inside the fluid
system (particularly when dispensing high-viscous substances). It can only be removed by a
flushing procedure. For this purpose, the following examples may be suitable agents:
• Distilled water
• Ethanol
• Isopropanol (IPA)
• Acetone
WARNING
Potential chemical reactions
Before the start of the procedure, carefully read the safety data sheet of the dispensed substance.
Ensure compatibility with the cleaning agent.
The cleaning agent itself should not react with any part in contact with the fluid.
Consult the manufacturer in case of need, especially if you intend to use aggressive material.
Step 1:
– Complete the dispensing process. The valve is in closed position. Do NOT switch OFF the
control unit.
Step 2:
– Separate the compressed-air connection.
– The pressure must be reduced to 0 bar.
– Disconnect the PP adapter fitting from the cartridge.
Step 3:
– Replace the used cartridge by a new one.
– The purifying agent can be supplied.
CAUTION
Check for leaks
All of the connectors must be installed and leak-tight.
Step 4: