On Full-Feature units, a separate fan (204) delivers cooling air for the dryer.
Condensate management
Floor-mounted Pack units have no drain. A water separator is available as an option.
The dryer on Full-Feature units has an integrated water separator (201c) and a timer drain (210).
The water separator has a manual drain valve (211) and a connection for the automatic drain. For
more details, consult section Refrigerant dryer.
The air receiver of tank-mounted compressors has a manual drain valve (122) at the bottom. A
timer drain is available as an option.
On Full-Feature compressors equipped with an optional desiccant dryer (CD, 117), a PD 20
+
filter
(114) equipped with an automatic drain ensures that no water droplets enter the dryer.
Regulating system and protection
The compressor is controlled by a Touch controller. See the dedicated sections for more details. A
pressure transducer (PIR) and a temperature sensor (TSHH) respectively monitor the air pressure
and the compressor element outlet temperature.
A safety valve (108) protects the compressor element against too high pressure.
2.3 Refrigerant dryer
Operation
The refrigerant dryer (ID) removes moisture from the compressed air by cooling it to near freezing
temperature. The water is removed via an automatic drain.
Instruction book
2920 7219 10 19
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