Speck pumpen V 430 - 7.3 MCR flowchart; 7.3.1 Category 1 G (inside); 2 G;D (outside)

Speck Pumpen Vakuumtechnik GmbH
zertifiziert: DIN EN ISO 9001
Supplementary Operating Instructions for Explosion Protection
12
7.3 MCR flowchart
7.3.1 Category 1G (inside) / 2G/D (outside)
TS+ 05
ok
no
yes
FS- 04
ok
no
yes
PS+ 06
ok
no
yes
LS- 01
ok
no
yes
Check:
- pipe at the pressure side
Delay of the
flow-rate testing
after switching on
Check:
- service liquid supply
- service liquid circulation
Valid for: C
- Compressor with internally flushed
slide ring gasket
- no operating liquid feeding to the
pressure casing (comp. Fig. 7.1)
- Constancy of the
liquid level in the separator
ategorie 1G (i) (a) 2G
LS- 02
ok
no
yes
Compressor
operation
ON
Stop key
activated
no
yes
! Take note of Fig. 7.13 !
! Take note of Fig. 7.15 ! ! Take note of Fig. 7.14 !
Start
Compressor
Compressor
in operation
yes
no
Shut down
compressor
Compressor
emergency
cut-off
Check:
- service liquid supply
- service liquid circulation
Check:
- service liquid supply
- service liquid circulation
- temperature of the extracted gas
Check:
- service liquid supply
- service liquid circulation
Check the counter pressure
only if there is no free outlet
to the environment
Compressor
operation
OFF
Operating time
>5s...90s
yes
no
Fig. 7.4 MCR-diagram for compressors of category 1G (inside) / 2G/D (outside)