Speck pumpen V 430 - Page 21

Speck Pumpen Vakuumtechnik GmbH
zertifiziert: DIN EN ISO 9001
Supplementary Operating Instructions for Explosion Protection
21
Flushing time
ok
no
yes
Operating Time
>5s...90s
no
yes
BEGINNING
start
Compressor
Start
compressor
Open
Flushing valves
UV13 / UV14
FS- 14
ok
no
yes
Open
Process valves
GO11 / GO12
FS- 04
ok
no
yes
Waiting time
>10s
no
yes
FS- 14
ok
no
yes
Check:
- flushing gas pressure
- flushing gas supply
END
Start
compressor
Inertisation
necessary
no
yes
Start
compressor
Close
Flushing valves
UV13 / UV14
Operating stop with
malfunction message
Stop
compressor
Inertisation is necessary
with compression of gas
which contain hydrogen
Process valve
is open
GO11 / GO12
no
yes
Operating stop with
malfunction message
Stop
compressor
Check:
- service liquid supply
- service liquid circulation
Check:
- flushing gas pressure
- flushing gas supply
Operating stop with
malfunction message
Fig. 7.13 Start of compressors of category 1G (inside) / 2G/D (outside)