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Instruction Manual w Junior II
Scavenging the compressor unit
CO
is present in the atmosphere with a natural amount of
2
350 to 400 ppm
. The molecular sieve used in the purifier for
V
drying the breathing air is, as well as other capabilities, able
to adsorb CO
which is accumulated in the cartridge. After
2
shut-down of the compressor, adsorbed CO
sorbed again due to the partial pressure decrease. The now
free CO
then gets washed out of the cartridge when the
2
compressor is started again. To avoid increased CO
in the compressed breathing air, we recommend to flush the
compressor unit 1 to 2 minutes prior to connecting the
bottles, i.e. to let the air escape into the surroundings.
Connecting the bottles
On models of 300 bar rated filling pressure
do not attach bottles unless rated for this
pressure (note pressure stamped on tank
neck).
-
Connect air bottle to filling valve (see Fig. 7).
-
Air bottles with international filling connector can be
connected with filling adaptor (part no. 79375) to the
German filling connector (see Fig. 8).
The international connector is not per
mitted in the Federal Republic of Germany.
In other countries it is allowed only for
pressures up to 200 bar (2,850 psi).
Filling the bottles
-
Open filling valve (1, Fig. 9).
-
Open bottle valve (2) - bottle will be filled. Drain conden
sate regularly during filling. On units with automatic con
densate drain check that condensate is drained regularly.
The filling procedure should not be inter
rupted for more than 10 minutes to avoid
increased CO
the bottles.
Fig. 7
Connecting air bottle
may be de
2
contents
2
-values in the air filled into
2
Fig. 8
International filling connector
1.
Fig. 9
Filling air bottle
2.
Fig. 10
Removing air bottle
Removing the bottles
-
Upon reaching final bottle pressure close bottle valve
first (1, Fig. 10), then filling valve by returning handle
to closed position (2).
-
Remove compressed air bottle.
CHANGE-OVER DEVICE PN 300/PN 200
(Fig. 11) This device allows bottle filling to 200 bar
(3,200 psig) with a 300 bar (4,700 psig) rated unit. Safety
valve -B and filling device PN 200 bar are connected by open
ing change-over valve -A and the connected bottles can be
filled with a 200 bar pressure, as described in "Filling the
bottles".
Depressurize unit before opening valve -A
to avoid damage to the change-over de
vice
2.
1.
11
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