Operators manual
© 2017 Honeywell International Inc.
Operators manual underground gas pressure reducing station
Type: HON COCON 13
Page 22
4.2.1
‐
Installation
of
cartridge
This
paragraph
describes
the
installation
of
the
cartridge
in
the
casing.
The
cartridge
can
be
replaced
with
a
spare
cartridge
(adjusted)
within
20
minutes.
To
install
the
cartridge
in
the
casing,
proceed
as
follows:
Remark:
Take
care
of
your
back
while
lifting,
when
installing
and
removing
the
cartridge.
-
Lift
the
cartridge
by
the
handles.
-
Lower
the
cartridge
in
the
casing,
the
cartridge
is
guided
by
the
threaded
rods.
-
The
cartridge
has
to
be
fitted
with
its
measuring
tube
pointed
to
the
outlet
side.
‐
Fix
the
cartridge
with
the
four
nuts
M16/
M24
)*
to
the
body.
The
unit
is
now
fixed
into
position.
4.2.2
‐
Emergency
‐
stop
There
is
an
emergency
stop
control
button
on
the
slam
shut
valve
controller,
which
can
be
used
when
required,
to
put
the
cartridge
immediately
out
of
operation.
To
use
this
emergency
stop
button,
proceed
as
follows:
-
Open
the
casing
cover.
‐
The
silver
coloured
button
is
located
on
the
side
of
the
slam
shut
valve
controller.
‐
Press
the
emergency
stop
control
button.
This
causes
the
valve
to
close
down
the
gas
supply
to
the
regulator.
An
activated
valve
can
be
recognised
by
the
raised
red
button,
which
is
located
under
the
transparent
cap,
on
the
shut
off
relay.
After
correcting
the
malfunction,
you
can
reset
the
emergency
stop
control
button
by
first
pushing
the
red
button
halfway
down
(
this
allows
the
bypass
to
equalise
the
pressure).
After
equilibrium
has
been
achieved
then
press
the
button
all
the
way
down,
resetting
the
valve.
Take
note:
once
a
lower
trip
function
is
installed
and
set,
the
outlet
pressure
should
be
above
the
lower
trip
value
(+
relatching
difference)
to
enable
reset