Festo 552928, Руководство по эксплуатации

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DP A − ... −CRVZS
Fes t o DP A − ... −CRVZS 0806NH En glish
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Setting states
Setting Result
T he se t o utput p ress u re P2 is lower t ha n t he
s upp ly p ress u re P1
T he p ress u re reg u la t or o n t he DP A
e x ha u s t s unt il t he p ress u res are
e qu al. T he CRVZS is e mpt ie d .
T he s upp ly p ress u re P1 is m i n . 2 b ar less t ha n
t he se t o utput p ress u re P2
N or m al o p era t i n g s t a tu s T he o utput
p ress u re is rea c he d . T he DP A also
swi tc hes a t low air c o n s umpt io n .
I nc reasi n g t he o utput p ress u re I nc reasi n g t he air c o n s umpt io n
Air vol um e/ cu rre nt o n t he i nput si d e is t oo low T he se t o utput p ress u re is n o t
rea c he d .
Ma x i mum reg u la t or se tt i n g for o utput p ress u re
DP A −
Ū
−10−
Ū
−CRVZS−
Ū
t y p . 10 b ar, max. 10 bar
T he m a x . o utput p ress u re c a n b e
e xc ee d e d b y up t o 40 % ( 14 b ar).
DP A −
Ū
−16−
Ū
−CRVZS−
Ū
t y p . 15 . 5 b ar, max. 16 bar
Switching off
W i t h p ress u re b oos t er c o mb i n a t io n s DP A −
Ū
−CRVZS2 ( 5 ) wi t ho ut a dd i t io n al sof t−
s t ar t valve i n t he sys t e m a nd wi t ho ut a dd i t io n al s t ar t−up valves i n fro nt of P1 a nd
af t er P2 (
è
Fig. 3 ) :
S
Tu r n t he reg u la t or butt o n i n a n a nt i −c lo ck wise d ire ct io n as far as p ossi b le.
T he e x ha u s t p ro c e du re is p erfor m e d u si n g t he reg u la t or.
W i t h p ress u re b oos t er c o mb i n a t io n s DP A −
Ū
−CRVZS10 ( 20 ) ( è Fig. 5 ) :
1 . C lose t he 3− way s t ar t−up valve o n t he o utput si d e P2 .
2 . C lose t he 3− way s t ar t−up valve o n t he i nput si d e P1 .
T he e x ha u s t p ro c e du re is p erfor m e d u si n g b o t h s t ar t−up valves. T he reg u la t or
re m ai n s i n t he se t p osi t io n .
Exhausting the air reservoir
S
C lose t he 3− way s t ar t−up valve b e t wee n t he p ress u re b oos t er DP A a nd t he air
reservoir CRVZS .