AV Air outlet valve
S3 Emergency stop button
1
Elektronikon
TM
regulator
3 Condensate drains
4 Converter cabinet
Front view, Pack
AV Outlet valve
Ca Aftercooler
Ci Intercooler
Co Oil cooler
Eh High-pressure compressor element
FC Oil filler plug
FN Cooling fan
M1 Compressor drive motor
M2 Fan motor
OF Oil filter (not shown)
SG Oil level sight glass
S3 Emergency stop button
1
Elektronikon
TM
regulator
IS-AF Inlet silencer with integrated air filter
2.2 Air flow
Air drawn in through air filter (AF) and the open inlet valve of the unloader assembly (UA) is
compressed in the low-pressure compressor element (El) and discharged to the intercooler (Ci).
The cooled air is further compressed in the high-pressure compressor element (Eh) and
discharged through the pulsation damper (AS) and the aftercooler (Ca). A check valve (CV) is
provided downstream of the pulsation damper (AS). When the compressor switches to unload
operation, the air trapped in the pulsation damper and the high-pressure element is blown off via
Instruction book
API797429 13
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