Back-Purging Unit Installation - ABB ACX Commissioning Instruction

Back-Purging Unit Installation

Before the Installation
Installation Site
Connecting the Com-
pressed-air Hoses to
PFE2 Filter Unit
Connecting the Com-
pressed-air Hoses to
PFE3 Filter Unit
Connecting the Com-
pressed-air Hose to
Probe 2
CI/ACX-EN Rev. D
Observe the "Piping Plan" in the drawings set.
The distance between the back-purging unit and the sampling probe must not exceed
5 m (length of the steel-braided compressed-air hoses = 6 m).
Connect the compressed-air hoses for purge air and control air to the respective ports
at the PFE2 filter unit (see Figure 5, page 30).
Connect the compressed-air hoses for purge air (filter and filter / probe tube) to the
respective ports at the PFE3 filter unit (see Figure 7, page 32).
Connect the compressed-air hose for purge air to one of the two gas ports at Probe 2
(see Figure 9, page 34).
ACX Analyzer System Commissioning Instruction 39