l
This gas
l
is
single
leakage
measuring G
l
One
41A
in
air
will will
give
gas gas
combustible combustible
gas
monitor
app
1) 0mA 2)
Two
3)
One
following gas
be
detected
combustible r and the
4
detecti detection enior system on info informati 0mA by rmation 4 signal. on to
is gas 4 ction det nformation and one
combination
is
detection nformation One external
external
gas
external
.
the Standard
gas
alarm
This
external
gas
a
available. trouble
alarm
contact
contact
alarm trouble contact/One alarm contact external
R
D
by
gas quipped alarm Standard contact is *1)
Standard utput combination 0mA
option,
shall
result digit is shown LED. in
external
*.
type
sensor.
The
l
channel
G
mark
means
the
matter
makes
serious
directly.
W RNING
When
C UTION
When
NOTE
the
manual,
the
operation
it ous makes damage ser
operation
manual,
it
It
the
means
and
may
advice
on
and
make
treatment the
on
human
treatment
the
damage
the
are
not
body
are on
operation
o
not
the
proc
W RNING l
Detector Do
not
use
monitor l
Power
make
or
power
not
Fault When
cut
of
check ource
ground
be
damaged.
that voltage the is power within
the
given
v
is
a
check
grounding ground
wire
inside
terminal. condition. It makes
protection
the
unit
out
dang
function
fault
that
the
and
for
there
protection
is
no
fault
function on
such
protection
fu
not
of
in
External
to
Measures When
be
done
in where the combustible pla
sure
with
at
detect
me asures
shall
current, designated power
after
turning
powe
in
such
an
gas
or
explosive
g
atmosphere.
connection
making
work
fuse
operate
Maintenance ments of Any
security, rating use power the
gas
operate e
dangerous
After
of
specified circuit or make fuse holder. short
Operation Do
l
shall
protection
protection
than
l
on,
the
replacement
l
except Gas detection specified can detec not
Fuse For
l
head
protection
there
start up, l
head
on.
of
protection l
detector
detector
power
Necessity Do
any
source
Before
l
head
protection
gas
connect
to
exte
inside instr
removing
gas
ground,
cover
such
as
replacement
of
alarm more
by f customer decision
than
alarm
preset
point,
it
is
C UTION l
Do
not
When
use talky walky near
this
cable,
this
influence l
detector
of
will
this
gas
detector.
receives talky the electric etc nearwaves from by this wa
affect
electric
the alky, reading. operateWhen it at use the th
wave
ejection.
When
make
power
on
again,
make
When
make
power
on
within
seconds,
5
it
after there
an
interv
may
be
n
Installation
hole
Body ngle
Frame Body
crew
Maintenance
hole
space Maintenanc space
Wall
l
type
Maintenance can
l
mou ting
For
be
over
mounting
100mm
type
below ha slide the instrument cover
opened.
wall
secured
space
Panel
mounting so
type,
maintenance
that stalled. the angle
can
be
space
over
20
-4
Alarm
contact
control
unit Buzzer
l
N Non ex
l
e
normally)
-L ontact
close
-0mA at Transmission alarm)
transmissio
4- 1. Before oper ation Not only a first experienced client but also an experienced client shall keep the cautionary items. If not kept, the trouble may cause and could not make normal gas detection.
4- 2. I nstallation place
CAUTION Do
not
install
where
direct
sun
beam
is
given
or
there
When install, avothe id direct sun beam place or that of drastic change of temperature. Because dew takes place inside of instrument and it may not follow the drastic change of temperature. Do
not
install
where
the
vibration
or
shock
may
take
As this is composed of fine electronics parts, install where the vibration and ck should sho not take place and be stable. Separate detector the
from
the
noise
generating
source
Avoid to installing at the place where high frequency is generated around. l
Do
not
put
detector
l
Do
not
make
Do
not
install
Do
not
install e
case,
make
Dangerous This
at
as
place
is
by
side
parallel
place
at
by
near
the
the
to
be
detection where
the
service
make
with
nor
place
extending
maintenance
required
or
wiring
where
detection ma
at
the
near.
gas the
sampling
such
as
maintenance
high reg
isintenance danger at time. m
where ake unable maintenance to
When
required
to
part
of
or
place.
at
detection
place
there
the
gas and
instrument
where
The
cable
side
system
stop aintenance thetime, systemunable at unable
to
detach
to
the
maintain
case
due
i to
Machine that grounding construction is n
4 - 3. C au ti on at syst em i n st al l a ti on
CAUTION
Unstable power and noise may causeerror of performance and alarm. For the system to use this detector, it is required to make design based on this manual description.
(1) Use stable power While the system gets stable at power on and power failure, the external output and alarm contact may be on and the care for it must be taken. In such case, use the standby battery or take an appropriate action in the receiver side. Supply the following power
to this detector.
Power voltage
100VAC- 15% to 220VAC+20% (50/60Hz)
Power failure
Approx. 100msec.
tolerance time
(For power failure of over 100msec, it re - starts.) To warrant the continuous operation, install the standby battery outside.
Others
Do not connect with power involving high power load and high frequency noise. According to requirement, use line filter and separate it from noise source.
(2) Designing to consider heat radiation When install the closed
self - standing control panel, mount th
e fans in the upper and lower part.
l
Relayed Spark
l
Add
CR
by
the
low
voltage
Killer Diode :etc SK) for
circuit
to f
DC)
relay suited
relay the load relayed side
and for
on
operate relay
the
by
coil
request.
d
C o i l
SK
L o a d
SK
V
V
Alarm contact Power supply
Power supply Relay (Low pressure relay)
GP- 641A
l
Contact
l
High
part
of
voltage
relay he iscontacts melted
is
put
inside
of
can adhesively no work and
indicator/alarm
uni
damaged. l
As
it
is
big he
l
Irrespective Above rouble may
noise, trouble of be
action
inductive
may
be
taken
by
the
r
load, nforeseeable there noise intrusion is the possib for
generated.
CAUT I ON l
The
inductive
l
When
use
belongs
the
to
protected
*.
As
the
inductive
the by
load
load,
not
be
make
used the
in
principle
contact
inductive he relay load, driven e use lowby voltage ithin AC100V)
an
appropriate
inductive
Patlight,
shall
External
surge
load, ples.there relay,
am
ifica
and
it
i
killer.
are
following
Buzzer, otor etc. Siren,
sa
Fan,
Fl
WARNIN G
L N FG
100VAC
15% to 220VAC+20% (50/60Hz) Earth
‡@ I n d i c a t o r / a l a r m u n i t
‡A
Pump power output
‡B ‡C ‡D
‡G
CVV (4C)
u t
‡C ‡D ‡E
External output 1 (OUT1)
‡H ‡I
o w e r i n
‡B
‡E ‡F
P u m
External output 2 (OUT2)
D e t e c t o r h e a d ( s e n s o r )
CAUTION
l
When
make
l
Applicable case
l
For
of
power
For
power
such l
Power
as
input and
should
caution
not
to
d
than
pump
not
put
specified,
power in
it
cable,
same
is
out
externa
core.
detector ey should cable, notsignal be laid cable, out with t
etc.
for
power
indicator/ala m unit.
make
indicator/alarm ). unit In and
cable
cable,
cable,
output
required.
between
other
motor
applicable
construction,
cable
using
separately l
wiring
pump supply For
of
detector
voltage
different
of
head pump
power
shou of
supply
d
not
be
detector vo
tage
of
l
Before
making
Before
making
electrical 1) Make
power
on
power
shock
on,
danger
take If do caution not keep of the this, followi the and
damage
that
theernal wire
3) Check
that
theithin power the voltage rating. is
4) During outside
5
adjustment, even
if
security
2.
detector.
grounding.
2) Check
5For
of
Basic
Normally
this
Start up
Power
Initial
is
with is made the correctly. ex
there
the
the
contact
purpose, ing
run
is
case
of
external
work.
check fuse designated that it isor ra not.
flow
used
by
detection
mode
after
making
preparation
on
clear
Approx
SET switch Detection
Maintenance l
Zero
l
Alarm
l
Sensor
l
External
25
sec.)
Press for about 3 seconds) Alarm
mode
MODE switch
test
mode
Press for about 3 seconds.)
mode
adjustment point
alar
change
AL1,
heater ication voltage relay
AL2)
in
contact
output
setting.
pow
CAUTION
l
Before
l
The
l
When
making
position turn
of
the
power power power
Slide
l
When
l
Initial 1)
make
power ,
clear
Instrument
on,
check
switch switch
down
Approx. system
25
cover.
lamp sec.)
External
output0mA : Approx. spec.)
3)
Alarm, tion trouble off shut a Lamp,
2.5mA
contact)
instrument
inside
when the
Power
lights
check
2)
this
located
ON/OFF hand to
the
the switch POWER
is
that
of
instrum
right turn ›, it to
switch
on.
co
gets left |
