|
PLC
control to provide start/stop,
sequential, and alarm control.
RO
System start permissible conditions
1.
Power On
2. Start button pushed
3. low pressure switch closed
4. permeate water tank level below
low level
( low and high level switches are
on open position) |
Five
conditions will cause the RO to shut
down the machine:
1. high working pressure,
2. low inlet pressure (<20 psi)
3. starter overload trip
4. product water storage tank level
high
5. emergency shut-down button pushed. |