Speck pumpen V 430 - Page 13

Speck Pumpen Vakuumtechnik GmbH
zertifiziert: DIN EN ISO 9001
Supplementary Operating Instructions for Explosion Protection
13
LS- 03
ok.
no
yes
Valid for: C
- Compressor with internally flushed
slide ring gasket
- no operating liquid feeding to the
pressure casing (comp. Fig. 7.1)
ategorie 1G
-
(i) (a) 2G
significant fluctuation of the
liquid level in the separator
LS- 01
ok
no
yes
LS- 02
ok
no
yes
Check:
- service liquid supply
- service liquid circulation
Check:
- service liquid supply
- service liquid circulation
Check:
- service liquid supply
- service liquid circulation
Delay of the
flow-rate testing
after switching on
Check:
- service liquid supply
- service liquid circulation
FS- 04
ok
no
yes
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
! Take note of Fig. 7.13 !
! Take note of Fig. 7.15 ! ! Take note of Fig. 7.14 !
Shut down
compressor
Compressor
emergency
cut-off
Compressor
operation
OFF
Compressor
operation
ON
Operating time
>5s...90s
yes
no
Check the counter pressure
only if there is no free outlet
to the environment
Fig. 7.5 MCR-diagram for compressors of category 1G (inside) / 2G/D (outside)