EKOM DK50-10 Series, User Manual

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PRODUCT DESRIPTION
10/2019 11 NP-DK50-10-A-4_10-2019-MD
Type Use Filtration level /
µm/
Pressure
regulator
Article no.
FS 20FR
DK50-10Z
5 yes 447000001-043
FS 20M 5+ 0,3 no 447000001-044
FS 20MR 5 + 0,3 yes 447000001-071
FS 20S 5+ 0,3 + 0,01 no 447000001-045
FS 20SR 5+ 0,3 + 0,01 yes 447000001-072
FS 21S
DK50-10Z/M
0,3 + 0,01 no 447000001-075
FS 21SR 0,3 + 0,01 yes 447000001-076
Condensation and filtration unit
The compressor can be equipped with a condensation and filtration unit (KJF-1 or KJFR-1). The unit
is used to cool the compressed air from the air tank in the cooler, to capture condensate in the filter,
to drain condensate automatically from the pneumatic system and to filter the compressed air.
Type Use Filtration level /
µm/
Pressure
regulator
Article no.
KJF-1
DK50-10Z 5
no 450001011-001
KJFR-1 yes 450001011-002
8. PRODUCT FUNCTION
8.1. Compressor
Fig. 1 Compressor pump (1) sucks the atmospheric air in through the inlet filter (8) and compresses
it through the non-return valve (3) into the air tank (2) from which the device draws in the compressed
air. If the pressure in the air tank drops to the switch-on pressure, the pressure switch (4) switches
the compressor on and the compressor compresses the air into the air tank until it reaches the
switch-off pressure, when the compressor switches off. The pressure hose is vented through the
solenoid relief valve (13) once the compressor pump is switched off. The safety valve (5) prevents
the pressure in the air tank from rising above the maximum allowed value. The drain valve (7) drains
the condensate from the air tank. Compressed, oil-free filtered air is stored in the air tank ready for
use.
Condensate must be drained from the air tank at regular intervals (see Chapter17.1).
8.2. Compressor with membrane dryer
Fig. 2 The air pump (1) draws in air through an inlet filter (8) and compresses it, feeding it to the
cooler (14) through the filter (15) and the check valve (3) into the dryer (9), and feeds the clean and
dry air into the air tank (2). A part of the air is released from the dryer with the captured moisture,
which is manifested as a light air stream along the body of the dryer (9). Condensate from the filter
is automatically drained at regular intervals into the collecting bottle via the condensate drain
solenoid valve (16). The dryer ensures continuous drying of the compressed air. The drain valve (7)
drains condensate from the air tank when drying performance is checked. Compressed, oil-free
filtered air is stored in the air tank ready for use.
For the membrane dryer to work as intended, the dryer is connected directly to the air tank without
the use of a check valve. As the membrane dryer contains selective membrane fibres, there is a
small amount of air leakage through them (about 0.5 bar/30 min)
This is why there is a gradual, slow drop in pressure even when there is no demand for compressed
air (from the air tank), however, this is not a malfunction
The pressure tank is dry and does not need to be drained.