1 General
1.1 Principles
This operating manual describes the proper and safe use of the
SISTO-SK-i LED intelligent actual-position feedback unit, or for the
SISTO-SK-i LED AS-i intelligent actual-position feedback unit in all
phases of operation.
The actual-position feedback unit SISTO-SK-i LED/SISTO-SK-i LED
AS-i is used to measure the stroke of pneumatic valve actuators and
to control them (optional).
In the event of damage, discrepancies and questions, immediately
contact SISTO Armaturen sales organisation responsible in order to
maintain the right to claim under warranty.
Only correct installation, maintenance or repair will ensure smooth
operation of the actual-position feedback unit.
The manufacturer shall not accept any liability for the actual-position
feedback unit if the manual set forth in this manual are not complied
with.
In the case of any deviations or questions contact SISTO Armaturen.
1.2 Contact data
SISTO Armaturen S.A.
After-Sales-Services
18, rue Martin Maas
L-6468 Echternach Luxembourg
Tel.: +352 32 50 85-1
Fax: +352 32 89 56
Email: info@sisto-aseptic.com
www.sisto-aseptic.com
1.3 Target group
This operating manual is aimed at the target group of trained and
qualified specialist technical personnel.
1.4 Other applicable documents
Document
Description
Type series booklet
8676.5 SISTO-SK-i LED
Description of the SISTO-SK-i LED/
SISTO-SK-i LED AS-i actual-position
feedback unit
Operating manual
0570.822
Installation/operating manual of the
SISTO-C/SISTO-B diaphragm valves
1.5 Key to safety symbols/markings
Symbol
Description
DANGER
In conjunction with the signal word DANGER
this symbol indicates a high-risk hazard, which
if not avoided, will result in death or serious
injury.
WARNING
In conjunction with the signal word WARNING
this symbol indicates a medium-risk hazard,
which if not avoided, could result in death or
serious injury.
CAUTION
In conjunction with the signal word CAUTION
this symbol indicates a low-risk hazard, which
if not avoided, could result in minor injury.
Electrical hazard
In conjunction with one of the signal words this
symbol indicates a hazard involving electrical
voltage and identifies information about pro
-
tection against electrical voltage.
4
Symbol
Description
CAUTION
In conjunction with the signal word CAUTION
this symbol indicates a hazard for the machine
and its functions.
NOTE
This symbol indicates recommendations and
important information on how to handle the
product.
2 Safety information
All the information contained in this section refers to hazardous situ-
ations.
In addition to the present general safety information the action-related
safety information given in the other sections must be observed.
2.1 General
This operating manual contains general installation, operating and
maintenance instructions that must be observed to ensure safe product
operation and prevent personal injury and damage to property.
Comply with all the safety instructions given in the individual sections
of this operating manual.
The operating manual must be read and understood by the responsible
specialist personnel/operators prior to installation and commissioning.
The contents of this operating manual must be available to the specialist
personnel at the site at all times.
Information attached to the actual-position feedback unit, the valve
or accessories must always be complied with and kept in a perfectly
legible condition at all times.
This operating manual does not take into account:
• Any eventualities or incidents which may occur during installation,
operation and maintenance performed by the customer.
• Local regulations; the operator must ensure that such regulations
are observed by all, including the personnel called in for installation.
The operating manual must be kept for the entire life cycle of the
equipment.
For any queries you may have or in the case of damage, please contact
SISTO Armaturen.
2.2 Intended use
▪ The actual-position feedback unit SISTO-SK-i LED/SISTO-SK-i
LED AS-i is used to measure the stroke of pneumatic valve actua-
tors and to control them (optional).
▪ The actual-position feedback unit must only be operated in perfect
technical condition.
▪ Only operate the actual-position feedback unit within the operating
limits described in the other applicable documents.
▪ Other modes of operation, if not mentioned in the documentation,
must be coordinated with SISTO Armaturen.
2.2.1 Prevention of foreseeable misuse
▪ It is not allowed to enter following fluids in the air supply ports of the
actual-position feedback unit:
- no liquids fluids
- no fluids containing solids
- no aggressive fluids
- no combustible fluids.
▪ The actual-position feedback unit must not be operated in potentially
explosive atmospheres.
!
DANGER
