Krom Schroder JSAV 50 Operating Instructions Manual

03250885 Edition 10.12
D GB F NL I
TR CZ PL RUS H
Operating instructions
Safety shut-off valve
JSAV 50 - 100
Translation from the German
© 2012 Elster GmbH

Contents

Safety shut-off valve JSAV 50 - 100 . . . . . . . . 1
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Checking the usage . . . . . . . . . . . . . . . . . . . . . 2
Type code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Part designations . . . . . . . . . . . . . . . . . . . . . . . . 2
Type label. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Connecting the impulse line . . . . . . . . . . . . . . 3
Tightness test . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Checking the function . . . . . . . . . . . . . . . . . . . 4
Checking the trip pressure p
Checking the tightness of the valve disc. . . . . . . 4
Setting the trip pressure p
Replacing the spring . . . . . . . . . . . . . . . . . . . . 4
Resetting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Replacing the measuring unit. . . . . . . . . . . . . 5
Replacing the valve disc . . . . . . . . . . . . . . . . . 6
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . 7
Designed lifetime . . . . . . . . . . . . . . . . . . . . . . . . 7
Declaration of conformity . . . . . . . . . . . . . . . . 8
Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
E DK S N P GR
www.docuthek.com
. . . . . . . . . . . . . 4
do
. . . . . . . . . . . . . 4
do

Safety

Please read and keep in a safe place
Please read through these instructions
carefully before installing or operating. Following the
installation, pass the instructions on to the opera-
tor. This unit must be installed and commissioned
in accordance with the regulations and standards
in force. These instructions can also be found at
www.docuthek.com.
Explanation of symbols
• , 1 , 2 , 3 ... = Action
▷
= Instruction
Liability
We will not be held liable for damage resulting from
non-observance of the instructions and non-com-
pliant use.
Safety instructions
Information that is relevant for safety is indicated in
the instructions as follows:
DANGER
Indicates potentially fatal situations.
WARNING
Indicates possible danger to life and limb.
CAUTION
Indicates possible material damage.
All interventions may only be carried out by qualified
gas technicians. Electrical interventions may only be
carried out by qualified electricians.
Conversion, spare parts
All technical changes are prohibited. Only use OEM
spare parts.
Transport
On receipt of the product, check that the delivery is
complete (see Part designations). Report any trans-
port damage immediately.
Storage
Store the product in a dry place. Ambient tempera-
ture: see Technical data.
Changes to edition 08.12
The following chapters have been changed:
- Declaration of conformity
- JSAV 25 - 40, see operating instructions
for safety shut-off valves JSAV 25 - 40 →
www.docuthek.com → Elster Kromschröder →
Products → 02 Pressure regulators → Safety
shut-off valves JSAV → Kind of document: Op-
erating instructions → JSAV 25 - 40
GB-1