Maintenance/Service/Disposal - Danfoss IPS 8 Technical Data, Installation And Use

User Guide | Intelligent Purger System (IPS 8) for Ammonia - Technical data, installation and use
Maintenance/Service/
Disposal
© Danfoss | DCS (ms) | 2019.06
Maintenance minimum once per year
1 Use P&I dagram and check that all powered components is working properly
2 Check for alarms in the MCX controller
3 Fans and fins shall be cleaned for dirt and dust
4 Expansion valve shall be inspected and shall be replaced if damaged
5 Ensure expansion valves sensor bulb has good contact with suction line
6 Replace water in water bubble bath. Check Ph level frequently and replace when Ph > 12.6
7 Check cover is mounted correctly and all bolts are tightened
8 Check and verify the amperage of the unit
9 Check for compressor noices in normal operating conditions (may indicate loos bolts, worn bearings or pistons)
Procedure to isolate IPS for service
Multipoint
Close the individual supply of gas line(s) from the ammonia
1 system.
Do not close any stop valve between IPS 8 and float valve
2 Restart the controller to force pump down
3 Wait 10 – 20 minutes
4 Stop the compressor by switching of the compressor fuse
5 Close the stop valve in the ammonia drain line under the IPS 8
Relief the remaining system pressure down to ambient pressure
6 by opening the AKVA using a permanent magnet or a possible
SNV purge valve mounted in the inlet line (see fig.10)
Disposal of the IPS 8
If an IPS 8 unit is worn out and has to be replaced
the disposal must be done in accordance with
national legislation and only done by competent
personnel.
Single point
Restart the controller to force pump down
Wait 10 – 20 minutes
Close the stop valve in the ammonia drain line under the IPS 8
Stop the compressor by switching of the compressor fuse
Close the stop valve in the ammonia drain line under the IPS 8
Relief the remaining system pressure down to ambient pressure
by opening the AKVA using a permanent magnet or a possible
SNV purge valve mounted in the inlet line (see fig.10)
BC306932151284en-000101 | 19