Annex with technical documentation
HDK-CNG_EN_03_2016
59
Logic control diagram
Adsorption in B1 and regeneration in B2
Adsorption
vessel B1
Regeneration
vessel B2
V1 open
V1 closed
expansion
max. 5 min
V4 open
heating start
ca. 20 min
heater on
V6 open
Drain V7:
alternating
open 3 sec /
closed 30 sec
cooling start
ca. 5 min
heater off
cooling stop
blower off, V4
closed
V6 closed
Drain V7
closed
pressure built-up
max. 2 min
V5 open
stand-by
V5 closed
switch over