User Guide | Intelligent Purging System (IPS 8) for Ammonia - Technical data, installation and use
© Danfoss | DCS (ms) | 2020.01
BC306932151284en-000201 | 11
Connection points
Single point purging setup is possible (Fig. 09) i.e.
no solenoid valves with the Danfoss IPS 8 unit.
This kind of installation should be installed as
shown in Fig. 9 i.e. above the receiver or using a
float valve. (See section on connection locations).
For single point purging as in Fig. 09, the setting
in the MCX for the number of valves to ‘0’ or
switch off the multi-purging functionality in the
general setup (y02).
As factory default, the Danfoss IPS 8 is configured
to handle 8 purge points. The correct amount of
purge points connected needs to be setup in the
MCX controller after power-up. Both power and
control wiring of the installed solenoid valves
coils should take place prior to first power up.
Multi-point purging
NEVER HAVE MORE THAN 1 PURGE POINT
OPEN AT A TIME.
Always close one purge valve before opening
the next.
This is done by turning the purger unit power
on (label y02) and entering the number of
actual purge points in the program. See section
“Programming/configuration”.
Fig. 9 Single point purging from receiver Fig. 10 Multi-point purging from up to 8 purging points
Purge Points
- up to 8 points
ICF 15-4
Be aware of liquid traps
Where slope is
shown above, ensure
downward sloping
pipe flowing towards
purger drop leg.
NH₃ gas + NC gases
SVA
SNV
Liquid drain to Low
pressure side
Receiver
Ammonia Liquid
Ammonia Liquid
Ammonia gas + NC gases
NH₃ bypass for
draining purger
SVA
SNV
SNV
SV3
SVA
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