8
3.4 Piping
drawing
Flow guide tube
Gas temperature.
600ºC max.
Gas temperature.
600ºC max.
Gas temperature.
600ºC max.
AC power
supply
Blue
Yellow
Red
White
White
Black
(Option)
AC power
supply
Sample gas outlet
Sample gas outlet
Flow guide tube
for high particulate
Flow guide tube for high
particulate with cover
I
6mm or
I
1/4 inch tube
for calibration gas
(not supplied)
*2 Ref. air
to Detector
Flowmeter
Flowmeter
Valve
MEASURE
ZERO
SPAN
(0.2 to 0.5L/min)
(not supplied)
Reduction valve
(ZBD6)
Reduction valve
(ZBD6)
Standard gas
for zero point (ZBM)
Reduction valve
(unnecessary when
supply air pressure
is 50 to 100kPa)
*1 Air supply
*1
Span gas (ZBM)
O2 input
Thermocouple
input
Analog output
4 to 20mA DC
or 0 to 1V DC
Fault
contact
output
FAULT
BLOW
Blow
contact
output
Calibrating
gas contact
output
HEATER
RS485
(option)
Thermocouple
for combustion
control
Contact input
Alarm
contact
output
Maintenance
contact
output
Calibrating gas
contact output
Note: *1 Standard gas or instrumentation air
can be used in place of span gas.
*2 Instrument quality air or bottled air is
available as reference air instead of
ambient
air.
*3 Protective earth.
*4 Connect the shield of a exclusive cable
with the ground terminal in the converter.
Flow guide tube system (with valve)
Rc1/4
(upper side blow port should be selected)
Blow-down, 200 to 300kPa
15ASGP
tube equivalent
or
I
10/
I
8 PTFE
pipe or copper pipe
(not supplied)
15ASGP
tube equivalent
or
I
10/
I
8 PTFE
pipe or copper pipe
(not supplied)
Solenoid valve
(not supplied)
Reduction valve
(unnecessary when supply air pressure is
200 to 300kPa)
Supply air
Rainproof cover
Detector
(ZFK8)
Converter (ZKM)
Rainproof flexible
conduit.
(Max. 20m)
*3
*4
12
3
1
2
3
4
5
6
PE
1
15
2
3
4
5
6
7
8
9
10
11
12
13
14
16
17
18
19
20
21
22
23
24
25
28
26
27
＋
−
＋
−
＋
−
＋
−
O2
TC1
AO
TC2
DI1
DI2
DI3 DICOM
ALARM
MAINTE
L
SV
AC
COM
N
or
ZV
ZERO
GAS
SPAN
GAS
TM-1
TM-2
*2
Ref. air
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