Speck pumpen V 430 - Page 32

Speck Pumpen Vakuumtechnik GmbH
zertifiziert: DIN EN ISO 9001
Supplementary Operating Instructions for Explosion Protection
32
FS- 04
ok
no
yes
Valid for: C
- Compressor with magnetic
coupling (comp. Fig. 7.3)
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:
- 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:
- service liquid supply
- Blockade of the compressor
- internal liquid insufficiency
TS+ 10
ok
no
yes
Check the counter pressure
only if there is no free outlet
to the environment
Fig. 7.24 MCR-diagram for compressors of category 2G/D (outside)