Speck pumpen V 430 - Page 31

Speck Pumpen Vakuumtechnik GmbH
zertifiziert: DIN EN ISO 9001
Supplementary Operating Instructions for Explosion Protection
31
FS- 04
ok
no
yes
FS- 08
ok
no
yes
TS+ 09
ok
no
yes
Valid for: C
- Compressor with double action
slide ring gasket (comp. Fig. 7.2)
ategorie 2G (a)
Compressor
operation
ON
Delay of the
flow-rate testing
after switching on
Check:
- service liquid supply
- service liquid circulation
Operating time
>5s...90s
yes
no
Check:
- sealing liquid supply
- sealing liquid circulation
Check:
- sealing liquid supply
- sealing liquid circulation
Check:
- service liquid supply
- service liquid circulation
- temperature of the extracted gas
Check:
- pipe at the pressure side
TS+ 05
ok
no
yes
PS+ 06
ok
no
yes
Start
Compressor
Compressor
in operation
yes
no
Stop key
activated
no
yes
Compressor
operation
OFF
Starting the compressor
Stoping the compressor
Stop
Compressor
Operating stop with
malfunction message
Check the counter pressure
only if there is no free outlet
to the environment
Fig. 7.23 MCR-diagram for compressors of category 2G/D (outside)