EN
7.7. Replacing adsorbent
WARNING
Health risk from adsorbents
Risk of injury to eyes and injury from ingestion
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NOTE
Maintenance interval
Interval: after 26,250 operating hours or maximum 3 years
1. Shut down the plant.
2. Depressurise the plant.
3. Disconnect the complete upper or lower piping of the adsorption dryer. To do this, open the union nuts of the
fittings at the containers and the shuttle valve housing.
4. Keep a suitable number of collecting containers (plastic bags or buckets) ready to collect the adsorbent.
5. The fittings of the containers contain flow distributors that are placed loosely in the fittings and keep the
adsorbent in the containers. Carefully pull the lower flow distributor from the fitting. Collect the escaping
adsorbent in the collecting containers.
DRYPOINT
AC 410 – 495 | DRYPOINT
®
The adsorbent must be replaced by specialist technical personnel.
In the case of contact with the eyes, rinse thoroughly with plenty of water. Always consult
a doctor.
After ingestion, immediately consult a doctor.
Spilled adsorbent must be removed without causing airborne dust.
When removing or adding adsorbent to the absorption dryer, wear a dust mask
(recommended protection class: P2 or FFP2).
AC 410 – 495 MS
®
Installation and operating manual
45