SIEMENS
<br />EN
<br />High Purity Solutions
<br />Standard Products
<br />Simplex operation consists of one vessel that will run in Service mode. Upon request of a
<br />Regeneration Cycle, the unit will regenerate accordingly. After completion of the
<br />Regeneration Cycle, the unit will return to Service mode.
<br />Duplex Parallel
<br />• Modes of Operation: 3 (Offline, Service, and Regeneration)
<br />• Regeneration Cycle Steps: 4 (Backwash, Brine Intro, Slow Rinse, and Fast Rinse)
<br />Duplex Parallel operation consists of two vessels that will both ran in Service mode.
<br />Upon request of a Regeneration Cycle, both units will regenerate consecutively (Unit A,
<br />then, Unit B), leaving one unit online at all times.
<br />Duplex Alternating
<br />• Modes of Operation: 4 (Offline, Standby, Service, and Regeneration)
<br />• Regeneration Cycle Steps: 4 (Backwash, Brine Intro, Slow Rinse, and Fast Rinse)
<br />Duplex Alternating operation consists of two vessels that will run with one in Service
<br />mode, and one in Standby mode. Upon request of a Regeneration Cycle, the vessel in
<br />Service mode will regenerate, while the vessel in Standby mode will enter Service mode.
<br />Triplex Parallel
<br />• Modes of Operation: 3 (Offline, Service, and Regeneration)
<br />• Regeneration Cycle Steps: 4 (Backwash, Brine Intro, Slow Rinse, and Fast Rinse)
<br />Triplex Parallel operation consists of three vessels that will all run in Service mode.
<br />Upon request of a Regeneration Cycle, all units will regenerate consecutively (Unit A,
<br />then, Unit B, then, Unit C), leaving two unit online at all times.
<br />Triplex 2 Online / 1 Standbv
<br />• Modes of Operation: 4 (Offline, Standby, Service, and Regeneration)
<br />• Regeneration Cycle Steps: 4 (Backwash, Brine Intro, Slow Rinse, and Fast Rinse)
<br />Triplex 2 Online / 1 Standby operation consists of three vessels that will run with two in
<br />Service mode, and one in Standby mode. Upon request of a Regeneration Cycle, the
<br />vessels in Service mode will regenerate consecutively. The vessel in Standby will enter
<br />Service mode. After completion of the Regeneration Cycles, the last vessel to be
<br />regenerated will enter Standby mode.
<br />Triplex Pro -Flo
<br />• Modes of Operation: 4 (Offline, Standby, Service, and Regeneration)
<br />• Regeneration Cycle Steps: 4 (Backwash, Brine Intro, Slow Rinse, and Fast Rinse)
<br />Triplex Pro -Flo operation consists of three vessels that will run with two in Service mode
<br />(Primary vessel and Secondary vessel), and one in Standby mode (Tertiary vessel). When
<br />product flow rises above a pre - defined setpoint, the vessel in Standby mode will enter
<br />Service mode. This vessel will return to Standby mode when product flow falls below
<br />the pre - defined setpoint. Upon request of a Regeneration Cycle, all units will regenerate
<br />PTI Series Softeners Page 3 Rev. 1, February 2009
<br />55131 -020 251-53
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