De-ionizing cartridge and mesh filter – Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C-Frame) - ForGe Control User Manual
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338
Rockwell Automation Publication 7000L-UM301D-EN-P - June 2014
Chapter 5
Component Definition and Maintenance
2.
When coolant temperature is greater than 62 °C (144 °F), a trip signal is
initiated. It can only be reset when the temperature reaches 48 °C (120 °F).
3.
When coolant temperature is less than 4 °C (40 °F), a trip signal is
initiated. It can only be reset when the temperature reaches 10 °C (50 °F).
De-Ionizing Cartridge and Mesh Filter
The flow circuits shown in
filters and de-ionizes coolant at a rate of
about 19 L/minute (5 gpm). Valve V14 may be closed only if the coolant mixture
in the drive has a freeze temperature colder than -40 °C. This allows a decreased
flow to 5.3 L/minute (1.4 gpm)
This stream can be isolated for cleaning and maintenance by closing the incoming
valve V8. The filter is a 500-micron fine-mesh type, which can be cleaned many
times by rinsing in clean water. The de-ionizing cartridge is a mixed-bed cartridge
type, which can be disassembled easily for de-ionizing cartridge replacement.
Figure 283 - Deionizer Reservoir Circuit
Vent Button
Deionizer
Cartridge
V14
Flow
Restrictors
V8
Filter FIL2
Reservoir
Filter FIL1
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