Manual Ozone Generating System SMOevo
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Rev. 1.0
Page 43 of 91
5.3 Process Description of the System
5.3.1 Subassembly 01: Gas Supply
BV310-1
01.0.105
Ball valve
Gas supply is carried out via a ball valve which must be fully
open during normal operation.
PCV310-1
01.0.110
Pressure
regulator
Keeps the operation pressure constant if feed gas pressure
varies within a certain range.
BV310-1
01.0.45
Ball valve
Can be used for the option Ozone Monitor (M1 or M3).
BV310-2
07.0.111
Ball valve
Isolation valve for PIT310
PIT310
07.0.112
Pressure
indicator
transmitter
Measures, indicates and transmits feed gas inlet pressure
PSH310-1
01.0.113
Pressure
switch
Monitors the gas inlet pressure. In case of falling below the
set pressure, the system shuts down.
A fault message is displayed.
Redundant with PSH310-2
PSH310-2
01.0.114
Pressure
switch
Monitors the gas inlet pressure. In case of falling below the
set pressure, the system shuts down.
A fault message is displayed.
Redundant with PSH310-1
The pressure switches are a mandatory safety element to
protect the ozone generator against high pressure. The
pressure switch is hardwired and operates independently
from the PLC. Exceeding the set pressure of 3.2
bar(g)/50psig causes the system to shut down.
