Fuji Electric ZAF-6 User manual
Instruction Manual
THERMAL CONDUCTIVITY
GAS ANALYZER
<THERMOMAT>
TYPE: ZAF-6
INZ-TN6ZAF-E
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Issued in November, 2021
We are grateful for your purchase of Fuji Electric’s Thermal Conductivity Gas Analyzer (Type:ZAF6).
• First read this instruction manual carefully until an adequate understanding is acquired, and
then proceed to installation, operation and maintenance of the gas analyzer. Wrong han-
dling may cause an accident or injury.
• 7KHVSHFL¿FDWLRQVRIWKLVJDVDQDO\]HUDUHVXEMHFWWRFKDQJHZLWKRXWSULRUQRWLFHIRUIXUWKHUproduct improvement.
• 0RGL¿FDWLRQRIWKLVJDVDQDO\]HULVVWULFWO\SURKLELWHGXQOHVVDZULWWHQDSSURYDOLVREWDLQHGIURPWKHPDQXIDFWXUHU)XML(OHFWULFZLOOQRWEHDUDQ\UHVSRQVLELOLW\IRUDWURXEOHFDXVHGE\VXFKDPRGL¿FDWLRQ.
• 7KLVLQVWUXFWLRQPDQXDOVKDOOEHVWRUHGE\WKHSHUVRQZKRDFWXDOO\XVHVWKHJDVDQDO\]HU.
• After reading the manual, be sure to store it at a place easier to access.
• 7KLVLQVWUXFWLRQPDQXDOVKRXOGEHGHOLYHUHGWRWKHHQGXVHUZLWKRXWIDLO.
Manufacturer : Fuji Electric Co., Ltd.
Type : Described in Fuji Electric’s company nameplate on main frame
Date of manufacture : Described in Fuji Electric’s company nameplate on main frame
Product nationality : Japan
© Fuji Electric Co., Ltd. 2021
PREFACE
Delivered Items
Name Quantity
Analyzer main frame 1 unit
Panel mounting brackets 1 set
Instruction manual 1 copy
• ,WLVSURKLELWHGWRWUDQVIHUSDUWRUDOORIWKLVPDQXDOZLWKRXW)XMLElectric’s permission.
• 'HVFULSWLRQLQWKLVPDQXDOLVVXEMHFWWRFKDQJHZLWKRXWSULRUnotice for further improvement.
Request
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CAUTION ON SAFETY
• The cautionary descriptions listed here contain important information about safety, so they should
DOZD\VEHREVHUYHG7KRVHVDIHW\SUHFDXWLRQVDUHUDQNHGLQOHYHOV'$1*(5DQG&$87,21
DANGER
:URQJKDQGOLQJPD\FDXVHDGDQJHURXVVLWXDWLRQLQZKLFKWKHUHis a risk of death or heavy injury.
CAUTION
:URQJKDQGOLQJPD\LQYLWHDGDQJHURXVVLWXDWLRQLQZKLFKWKHUHis a possibility of medium-level trouble or slight injury or only
physical damage is predictable.
Caution on installation and transport of gas analyzer
DANGER
• This unit is not explosion-proof type. Do not use it in a place
ZLWKH[SORVLYHJDVHVWRSUHYHQWH[SORVLRQ¿UHRURWKHUVHULRXVaccidents
CAUTION
• 7KLVXQLWVKRXOGEHLQVWDOOHGLQDSODFHZKLFKFRQIRUPVWRWKHFRQGLWLRQVQRWHGLQWKHLQVWUXFWLRQPDQXDO2WKHUZLVHLWPD\FDXVHHOHFWULFVKRFNV¿UHRUPDOIXQFWLRQRIWKHXQLW.
• 'XULQJLQVWDOODWLRQZRUNFDUHVKRXOGEHWDNHQWRNHHSWKHXQLWIUHHIURPHQWU\RIFDEOHFKLSVRURWKHUIRUHLJQREMHFWV2WKHU-
ZLVHLWPD\FDXVH¿UHWURXEOHRUPDOIXQFWLRQRIWKHXQLW.
)RUOLIWLQJWKHJDVDQDO\]HUEHVXUHWRZHDUSURWHFWLYHJORYHVBare hands may invite an injury.
%HIRUHWUDQVSRUW¿[WKHFDVLQJVRWKDWLWZLOOQRWRSHQ2WKHUZLVHWKHFDVLQJPD\EHVHSDUDWHGDQGIDOOWRFDXVHDQinjury.
First of all, read this “Caution on safety” carefully, and then use the analyzer in the correct way.
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Caution on wiring
CAUTION
7KHXQLWPXVWEHHDUWKHGDVVSHFL¿HG2WKHUZLVHLWPD\FDXVHHOHFWULFVKRFNVPDOIXQFWLRQHWF%HVXUHWRXVHDSRZHUVXSSO\RIFRUUHFWUDWLQJ&RQQHFWLRQRISRZHUVXSSO\RILQFRUUHFWUDWLQJPD\FDXVH¿UH:LULQJZRUNPXVWEHSHUIRUPHGZLWKWKHPDLQSRZHUVHWWR2))WRSUHYHQWHOHFWULFVKRFNV8VHZLULQJPDWHULDOVWKDWPDWFKWKHUDWLQJRIWKHXQLW8VHRIZLULQJPDWHULDOVRXWRIUDWLQJPD\FDXVH¿UHCaution on piping
DANGER
,QSLSLQJWKHIROORZLQJSUHFDXWLRQVVKRXOGEHREVHUYHG:URQJSLSLQJPD\FDXVHJDVOHDNDJHIf the leaking gas contains a toxic component, there is a risk of serious accident being induced.
$OVRLIFRPEXVWLEOHJDVLVFRQWDLQHGWKHUHLVDGDQJHURIH[SORVLRQ¿UHRUWKHOLNHRFFXUULQJ• Connect pipes correctly referring to the instruction manual.
([KDXVWVKRXOGEHOHGRXWGRRUVVRWKDWLWZLOOQRWUHPDLQLQWKHORFNHUDQGLQVWDOODWLRQURRP• Exhaust from the analyzer should be relieved in the atmospheric air in order that an unnecessary
SUHVVXUHZLOOQRWEHDSSOLHGWRWKHDQDO\]HU2WKHUZLVHDQ\SLSHLQWKHDQDO\]HUPD\EHdisconnected to cause gas leakage.
Caution on use
DANGER
• Before using the standard gas such as calibration gas, read the manual for standard gas carefully
WRDVVXUHFRUUHFWKDQGOLQJ(VSHFLDOO\GDQJHURXVJDVHVVXFKDV&2JDVUHTXLUHVH[WUDFDXWLRQRWKHUZLVHLWPD\FDXVHVHULRXVDFFLGHQWVXFKDVJDVSRLVRQLQJ
CAUTION
$YRLGFRQWLQXRXVRSHUDWLRQZLWKWKHFDVLQJGUDZQRXW2WKHUZLVHWKHFDVLQJPD\IDOOWRFDXVHDQinjury.
'XULQJRSHUDWLRQDYRLGRSHQLQJWKHFDVLQJDQGWRXFKLQJWKHLQWHUQDOSDUWV2WKHUZLVH\RXPD\VX൵HUDEXUQRUVKRFNKD]DUG
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Caution on maintenance and chec
DANGER
• :KHQGRRUVDUHRSHQGXULQJPDLQWHQDQFHRULQVSHFWLRQEHVXUHWRSXUJHVX൶FLHQWO\WKHLQVLGHRIWKHJDVDQDO\]HUDVZHOODVWKHPHDVXULQJJDVOLQHZLWKQLWURJHQRUDLULQRUGHUWRSUHYHQWSRLVRQ-
LQJ¿UHRUH[SORVLRQGXHWRJDVOHDNV.
• %HIRUHUHSODFLQJWKHJDV¿OWHURIWKHJDVDQDO\]HUWXUQ2))WKHSXPSSRZHUVXSSO\DQGFORVHWKHFDOLEUDWLRQJDVYDOYHLQRUGHUWRSUHYHQWSRLVRQLQJ¿UHRUH[SORVLRQGXHWRJDVOHDNV.
CAUTION
• %HIRUHSHUIRUPLQJPDLQWHQDQFHRULQVSHFWLRQWXUQ2))WKHSRZHU2WKHUZLVHWRXFKLQJHOHFWULFparts may result in electric shock.
• %HIRUHZRUNLQJWDNHR൵DZULVWZDWFK¿QJHUULQJRUWKHOLNHPHWDOOLFDFFHVVRULHV$QGQHYHUWRXFKWKHLQVWUXPHQWZLWKDZHWKDQG2WKHUZLVH\RXZLOOKDYHDVKRFNKD]DUG.
• ,IWKHIXVHLVEORZQHOLPLQDWHWKHFDXVHDQGWKHQUHSODFHLWZLWKWKHRQHRIWKHVDPHFDSDFLW\DQGW\SHDVEHIRUH2WKHUZLVHVKRFNKD]DUGRUIDXOWPD\EHFDXVHG.
Others
CAUTION
• If the cause of any fault cannot be determined despite reference to the instruction manual, be sure
to contact your dealer or Fuji Electric’s technician in charge of adjustment. If the instrument is
disassembled carelessly, you may have a shock hazard or injury.
• 'RQRWXVHDUHSODFHPHQWSDUWRWKHUWKDQVSHFL¿HGE\WKHLQVWUXPHQWPDNHU2WKHUZLVHDGHTXDWHSHUIRUPDQFHZLOOQRWEHSURYLGHG%HVLGHVDQDFFLGHQWRUIDXOWPD\EHFDXVHG• 5HSODFHPHQWSDUWVVXFKDVDPDLQWHQDQFHSDUWVKRXOGEHGLVSRVHGRIDVLQFRPEXVWLEOHV)RUGHWDLOVIROORZWKHORFDORUGLQDQFH
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CONTENTS
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&$87,21216$)(7<............................................................................................ii
29(59,(:..........................................................................................................1
1$0($1''(6&5,37,212)($&+3$57..................................................2
2.1 Description of each unit ......................................................................................... 2
2.2 Principle of operation............................................................................................. 3
,167$//$7,21..................................................................................................5
6HOHFWLRQRILQVWDOODWLRQVLWH................................................................................... 5
3.2 Mounting method................................................................................................... 6
3.3 Piping .....................................................................................................................7
6DPSOLQJ................................................................................................................ 9
3.4.1 Conditions of sampling gas............................................................................ 9
6DPSOLQJJDVÀRZUDWH................................................................................... 9
3.4.3 Preparation for standard gas .......................................................................... 9
3.4.4 Purging of instrument inside.......................................................................... 9
3.4.5 Pressure at sampling gas outlet...................................................................... 9
([DPSOHRIVDPSOLQJV\VWHPFRQ¿JXUDWLRQ................................................. 10
3.5 Wiring method...................................................................................................... 11
3RZHUVXSSO\VWDQGDUGWHUPLQDOV................................................. 12
3.5.2 Measured value output signal (standard terminals (4) – (5))....................... 12
3.5.3 Corrective input (optional terminals (3) – (4)) ............................................ 12
3.5.4
Contact input (optional terminals: DI1 (5) – (6), DI2 (7) – (8), DI3, (9) – (10))
..... 12
3.5.5
&RQWDFWRXWSXWRSWLRQDOWHUPLQDOV'2±'2±
'2±'2±'2±
.......................................... 13
3.5.6 List of termnal blocks .................................................................................. 13
3.5.7 Timing of calibration contact output............................................................ 14
+DQGOLQJRIVWDQGDUGJDV,WHPWREHSUHSDUHGVHSDUDWHO\................................. 15
23(5$7,21...................................................................................................... 16
4.1 Preparation for operation ..................................................................................... 16
&KHFNRIJDVVDPSOLQJWXEHH[KDXVWWXEHDQGZLULQJ................................. 16
4.2 Warm-up operation and regular operation ........................................................... 16
2SHUDWLQJSURFHGXUH.................................................................................... 16
'(6&5,37,212)',63/$<$1'23(5$7,213$1(/6........................... 17
5.1 Name and description of operation panel ............................................................ 17
2YHUYLHZRIGLVSOD\DQGRSHUDWLRQSDQHOV........................................................... 18
2YHUYLHZRIGLVSOD\VFUHHQ.................................................................................. 19
5.3.1 Measurement mode screen........................................................................... 19
6HWWLQJVHOHFWLRQVFUHHQ................................................................................ 20
5.4 General operation................................................................................................. 21
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6(77,1*$1'&$/,%5$7,21.......................................................................22
6.1 Calibration setting ................................................................................................ 22
6HWWLQJRIFDOLEUDWLRQFRQFHQWUDWLRQ............................................................. 22
6HWWLQJRIFDOLEUDWLRQUDQJH.......................................................................... 23
6.2 Alarm setting........................................................................................................ 26
6HWWLQJRIDODUPYDOXHV................................................................................ 26
+\VWHUHVLVVHWWLQJ......................................................................................... 29
6HWWLQJRIDXWRFDOLEUDWLRQ.................................................................................... 30
6.3.1 Auto calibration ........................................................................................... 30
6.3.2 Forced stop of auto calibration .................................................................... 32
6.4 Changeover of range ........................................................................................... 33
6.5 Parameter setting.................................................................................................. 34
6.6 Maintenance mode ............................................................................................... 37
6HQVRULQSXWYDOXHVFUHHQ............................................................................ 38
(UURUORJ¿OH................................................................................................. 38
3DVVZRUGVHWWLQJ.......................................................................................... 39
6WDWLRQ1RVHWWLQJ........................................................................................ 40
6.6.5 Contact output setting .................................................................................. 41
6.6.6 Calibration history ....................................................................................... 43
6.7 Manual calibration ............................................................................................... 44
6.7.1 Zero calibration............................................................................................ 44
6SDQFDOLEUDWLRQ........................................................................................... 45
7. MAINTENANCE ...............................................................................................46
7.1 Daily check .......................................................................................................... 46
7.1.1 Zero calibration and span calibration........................................................... 46
)ORZFKHFN................................................................................................... 46
7.2 Daily check and maintenance procedures............................................................ 46
5HSODFHPHQWRISRZHUVXSSO\IXVH...................................................................... 47
7528%/(6+227,1*...................................................................................... 48
8.1 Error message....................................................................................................... 48
63(&,),&$7,216.............................................................................................50
*HQHUDOVSHFL¿FDWLRQV.......................................................................................... 50
9.2 Code symbols....................................................................................................... 53
2XWOLQHGLDJUDP.................................................................................................... 54
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1. OVERVIEW
7KHUPDOFRQGXFWLYLW\JDVDQDO\]HUVZKLFKDVVXUHVWDEOHPHDVXUHPHQWZLWKVLPSOHGHWHFWRUVHFWLRQVWUXFWXUHKDYHORQJEHHQXVHGZLGHO\IRUSURFHVVLQJDQGIRUWKH¿HOGXVH7KHWKHUPDOFRQGXFWLYLW\JDVDQDO\]HU=$)PHDVXUHVVSHFL¿FFRPSRQHQWLQPL[HGJDVHVWKURXJKWKHXVHRIFKDUDFWHULVWLFVWKDWJDVHVKDYHGL൵HUHQWWKHUPDOFRQGXFWLYLWLHV7KHJDVDQDO\]HUZKRVHRSHUDELOLW\KDVEHHQLPSURYHGDQGKLJKDFFXUDF\DQGPXOWLSOHIXQFWLRQVKDYHEHHQDFKLHYHGZLWKWKHPLFURSURFHVVRULQVWDOOHGDQGKLJKDFFXUDF\ODUJH/&'DGRSWHGLVLGHDOIRUWKHmanagement and control of production processes.
2INZ-TN6ZAF-E
2.1 Description of each unit
GAS ANALYZER
MODE ZERO
ENT
ESC
SPAN
INLET
PURGE
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2
3
4
5
6
7
8
9
10
OUTLET
(1) Power switch (2) Display and
operation panel
Front view Side view
Rear view
(3) Sampling gas inlet
(4) Sampling gas outlet
(5) Purge gas inlet
(6) Terminal block
(option)
(7) Terminal block
(standard)
(8) Communication connector (option)
Name Description
3RZHUVZLWFK7XUQV212))WKLVDQDO\]HU'LVSOD\2SHUDWLRQSDQHOLiquid crystal display and keys for various operational settings are arranged.
6DPSOLQJJDVLQOHW3RUWIRUFRQQHFWLQJWKHVDPSOHJDVLQMHFWLRQSLSH5FRU1376DPSOLQJJDVRXWOHWPort for connecting the pipe for discharging the gas after analysis.
5FRU137(5) Purge gas inlet Port for connecting the purge gas pipe.5FRU137(6) Terminal block (option) &RQWDFWLQSXWRXWSXWDQGPHDVXUHGRXWSXWWHUPLQDOV0VFUHZ)
(7) Terminal block (standard) 3RZHUWHUPLQDODQGPHDVUXUHGRXWSXWWHUPLQDOV0VFUHZ)
(8) Connector for communication
(option) 56&FRPPXQLFWLRQLQWHUIDFHSLQ'VXEFRQQHFWRU)
2. NAME AND DESCRIPTION OF EACH PART
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2.2 Principle of operation
7ZRSODWLQXPZLUHVDUHVWUHWFKHGDORQJFHQWHUOLQHVRIWZRVORWVUHVSHFWLYHO\IRUPHGWKURXJKDmetal block.
7KHSODWLQXPZLUHVDUHKHDWHGWRDSSUR[&ZLWKD'&FXUUHQWEULGJHFXUUHQW7KHWZRVORWVIRUPDVDPSOHFKDPEHUDQGDUHIHUHQFHFKDPEHUUHVSHFWLYHO\DQGWKHSODWLQXPZLUHVIRUPD:KHDWVWRQHEULGJHLQFRPELQDWLRQZLWKWZR¿[HGUHVLVWRUVDUUDQJHGRXWVLGHWKHFKDPEHUV:KHQthermal conductivity of sample gas changes, temperature of the platinum changes to vary its
HOHFWULFDOUHVLVWDQFHLQWKHVDPSOHFKDPEHUZKHUHDVWHPSHUDWXUHDQGUHVLVWDQFHRIWKHSODWLQXPZLUHGRQRWFKDQJHLQWKHUHIHUHQFHFKDPEHULQZKLFKWKHUPDOFRQGXFWLYLW\RIDUHIHUHQFHJDVLVNHSWDOZD\VFRQVWDQWTherefore, the Wheatstone bridge generates a voltage signal depending on kinds and concentration
of the sample gas.
7KHWKHUPDOFRQGXFWLYLW\JDVDQDO\]HULVFRQVWUXFWHGDVVKRZQLQ)LJTable 2-1 lists thermal conductivities of typical gas components, and Table 2-2 summarizes
LQGLFDWLQJGHYLDWLRQVGXHWRLQWHUIHULQJFRPSRQHQWVLQPHDVXUHPHQWVZLWKWKHWKHUPDOFRQGXFWLYLW\gas analyzer.
Sample gas
DC constant
current
Measuring
chamber
Reference
chamber
Reference gas
sealing
DC amplifer
Fixed
resister
Fixed
resister
Fig.2-1 Structural View of Thermal Conductivity Gas Analyzer
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Table 2-2 Relative Thermal Conductivities of Typical Gas Components
6SHFL¿F7KHUPDO&RQGXFWLYLWLHV7KHUHODWLYHYDOXHVPHQWLRQHGDERYHZHUHGHWHUPLQHGWDNLQJWKHUPDOFRQGXFWLYLW\RIDLUDV×
104FDOFPVHFGHJ DW&Type of gas components 5HODWLYHYDOXHType of gas components 5HODWLYHYDOXH+\GURJHQ+2701 Ammonia 1+390.7
+HOLXP+H599 Acethylene C2+277.7
Methane &+4126 Argon Ar 68.5
2[\JHQ22101 Nitrous oxide N2264
Nitrogen N2100.3 Carbonic acid gas &2259
Nitrogen monoxide 12100.2 +\GURJHQVXO¿GH+2653.8
Air 100 6XOIXUGLR[LGH62234.4
Carbon monoxide &296 Chlorine Cl232.3
Fig. 2-2 Indicating Deviation due to Interfering Components in Thermal Conductivity Gas Analyzer
Interfering component ,QGLFDWLQJ'HYLDWLRQGXHWRRILQWHUIHULQJFRPSRQHQW92/+2indicator &+4indicator Ar indicator &22indicator
1% +2— +5.8 –6.5 –8.0
1% &+4+0.17 — –1.15 –1.38
1% 622–0.31 –1.8 +2.1 +2.5
1% Ar –0.15 –0.87 — +1.2
1% &22–0.125 –0.725 +0.83 —
1% 22+0.019 +0.11 –0.125 +0.15
&6DWXUDWHG+22— — — +0.56
1% &2–0.015 — — —
1RWH7KHLQGLFDWLRQHUURUVPHQWLRQHGDERYHZHUHREWDLQHGDIWHUDGMXVWLQJWKHLQVWUXPHQWE\using sample gas + air as a balancing material.
1RWH+RZWRUHDGWKHWDEOHRI&22FDXVHVDQLQGLFDWLRQHUURURI±RQWKH+2indicator.
RI&+4SURGXFHVDQLQGLFDWLRQGHYLDWLRQRI±RQWKH&22indicator.
Caution
5
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:KHQOLIWLQJWKHJDVDQDO\]HUEHVXUHWRZHDUSURWHFWLYHJORYHV%DUHKDQGVPD\LQYLWHDQLQMXU\3.1 Selection of installation site
7RLQVWDOOWKHDQDO\]HUIRURSWLPXPSHUIRUPDQFHVHOHFWDORFDWLRQWKDWPHHWVWKHIROORZLQJFRQGLWLRQV$SODFHZKHUHWKHHTXLSPHQWGRHVQRWUHFHLYHGLUHFWVXQVKLQHGUDIWUDLQRUUDGLDWLRQIURPKRWsubstances. If such a place cannot be found, a roof or cover should be prepared for protection.
(2) A vibration-free place
$SODFHZKLFKLVFOHDQDURXQGWKHDQDO\]HU5DWHGRSHUDWRQFRQGLWLRQ3RZHUVXSSO\9WR9$&+]3RZHUFRQVXPSWLRQ$SSUR[9$$PELHQWWHPSHUDWXUHWR&$OWLWXGH8SWRPInstallation category : II
Pollution Degree : 2
$PELHQWKXPLGLW\5+RUOHVVQRFRQGHQVDWLRQ6WRUDJHFRQGLWLRQV$PELHQWWHPSHUDWXUHWR&$PELHQWKXPLGLW\5+RUOHVVQRFRQGHQVDWLRQ3. INSTALLATION
7KLVXQLWLVQRWH[SORVLRQSURRIW\SH'RQRWXVHLWLQDSODFHZLWKH[SORVLYHJDVHVWRSUHYHQWH[SORVLRQ¿UHRURWKHUVHULRXVDFFLGHQWV7KLVXQLWVKRXOGEHLQVWDOOHGLQDSODFHZKLFKFRQIRUPVWRWKHFRQGLWLRQVQRWHGLQWKHLQVWUXFWLRQPDQXDO2WKHUZLVHLWPD\FDXVHHOHFWULFVKRFNV¿UHRUPDOIXQFWLRQRIWKHXQLW• %HIRUHWUDQVSRUW¿[WKHFDVLQJVRWKDWLWZLOOQRWRSHQ2WKHUZLVHWKHFDVLQJPD\EHVHSDUDWHGand fall to cause an injury.
• 'XULQJLQVWDOODWLRQZRUNFDUHVKRXOGEHWDNHQWRNHHSWKHXQLWIUHHIURPFDEOHFKLSVRURWKHUIRUHLJQREMHFWV2WKHUZLVHLWPD\FDXVH¿UHWURXEOHRUPDOIXQFWLRQRIWKHXQLW.
DANGER
CAUTION
6INZ-TN6ZAF-E
3.2 Mounting method
3DQHOÀXVKPRXQWLQJGAS ANALYZER
MODE ZERO
ENT
ESC
SPAN
INLET
PURGE
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OUTLET
184 +2
0
232 +2
0
192
240
130
(43)
(35)
230
240
192
182
193
169 (24)
t
Mounting
panel
W140
230
(248)
(268)
Mounting bracket
Mounting bracket
Panel cutout dimenssion
Note) Insert the analyzer into the panel cutout and fix the fittings on the analyzer from the rear
panel. Secure it to the panel by screws.
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3.3 Piping
2EVHUYHWKHIROORZLQJZKHQFRQQHFWLQJWKHJDVSLSHV• The pipes should be connected to the gas inlet and outlet at the rear panel of the analyzer,
respectively.
&RQQHFWWKHVDPSOLQJV\VWHPWRWKHLQVWUXPHQWE\XVLQJFRUURVLRQUHVLVWDQWWXEHVXFKDVWHÀRQVWDLQOHVVVWHHORUSRO\HWK\OHQH,QFDVHZKHUHWKHUHLVQRGDQJHURIFRUURVLRQGRQWXVHUXEEHUor soft vinyl tube. Analyzer indication may become inaccurate due to the adsorption of gases.
3LSLQJFRQQHFWLRQVDUH5FRU137IHPDOHWKUHDGHG&XWWKHSLSHDVVKRUWDVSRVVLEOHIRUquick response. Pipe of ø 4mm (inside dianeter) is recommendable.
,IGXVWRUJDVZLWKKLJKZDWHUFRQWHQWHQWHULQWRWKHLQVWUXPHQWPDOIXQFWLRQPD\UHVXOW
To prevent this, be sure to use clean pipes and joints.
In piping, the following precautions should be observed. Wrong piping may cause gas leakage.
If the leaking gas contains a toxic component, there is a risk of serious accident being induced.
$OVRLIFRPEXVWLEOHJDVLVFRQWDLQHGWKHUHLVDGDQJHURIH[SORVLRQ¿UHRUWKHOLNHRFFXUULQJ• Connect pipes correctly referring to the instruction manual.
([KDXVWVKRXOGEHOHGRXWGRRUVVRWKDWLWZLOOQRWUHPDLQLQWKHORFNHUDQGLQVWDOODWLRQURRP• Exhaust from the analyzer should be relieved in the atmospheric air in order that an unnecessary
SUHVVXUHZLOOQRWEHDSSOLHGWRWKHDQDO\]HU2WKHUZLVHDQ\SLSHLQWKHDQDO\]HUPD\EHdisconnected to cause gas leakage.
)RUSLSLQJXVHDSLSHDQGDSUHVVXUHUHGXFLQJYDOYHWRZKLFKRLODQGJUHDVHDUHQRWDGKHULQJ
,IVXFKDPDWHULDOLVDGKHULQJD¿UHRUWKHOLNHDFFLGHQWPD\EHFDXVHG
DANGER
8INZ-TN6ZAF-E
INLET
PURGE
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OUTLET
Sampling gas inlet
Sampling gas outlet
Purge gas inlet
Fig. 3-1 Piping
6DPSOLQJJDVLQOHW&RQQHFWWKHSLSHVRWKDW]HURVSDQFDOLEUDWLRQVWDQGDUGJDVRUPHDVXUHGJDVSUH-
WUHDWHGZLWKGHKXPLGL¿FDWLRQLVVXSSOLHGSURSHUO\7KHJDVÀRZUDWHVKRXOGEHNHSWFRQVWDQWZLWKLQWKHUDQJHRI/PLQ/PLQ+LJKVSHHGUHVSRQFH
/PLQ/PLQ6DPSOLQJJDVRXWOHW0HDVXUHGJDVLVH[KDXVWHGDIWHUPHDVXUHPHQW
Connect the pipe so that the gas may escape through the gas outlet into the atmo-
sphere or equivalent.
Purge gas inlet : It is used for purging the inside of the total gas analyzer. When the analyzer must
be purged, refer to Item 3.4 (4), Purging inside Analyzer.
8VHGU\JDV12RULQVWUXPHQWDWLRQDLUIRUSXUJHJDVÀRZUDWHRI/PLQVKRXOGbe used and dust or mist is not contained).
9
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3.4 Sampling
3.4.1 Conditions of sampling gas
(1) 7KHGXVWFRQWDLQHGLQVDPSOHJDVVKRXOGEHHOLPLQDWHGFRPSOHWHO\ZLWK¿OWHUV7KH¿OWHUDWWKH¿QDOVWDJHVKRXOGEHFDSDEOHRIHOLPLQDWLQJGXVWRIPLFURQH.
(2) 7KHGHZSRLQWRIVDPSOHJDVPXVWEHORZHUWKDQWKHDPELHQWWHPSHUDWXUHIRUSUHYHQWLQJIRU-
PDWLRQRIGUDLQLQWKHDQDO\]HU,IZDWHUYDSRULVFRQWDLQHGLQVDPSOHJDVLWVGHZSRLQWVKRXOGEHUHGXFHGGRZQWRDERXW&WKURXJKDGHKXPLGL¿HU.
(3) ,I623PLVWLVFRQWDLQHGLQVDPSOHJDVWKHPLVWVKRXOGEHHOLPLQDWHGZLWKDPLVW¿OWHUFRROHUHWF(OLPLQDWHRWKHUPLVWLQWKHVDPHZD\.
(4) If a large amount of highly corrosive gas such as Cl2, F2RU+&OLVFRQWDLQHGLQVDPSOHJDVWKHVHUYLFHOLIHRIDQDO\]HUZLOOEHVKRUWHQHG6RDYRLGVXFKJDVHV.
(5) 6DPSOHJDVWHPSHUDWXUHLVDOORZHGZLWKLQDUDQJHIURPWR&3D\DWWHQWLRQQRWWRÀRZhot gas directly into the analyzer.
3.4.2 6DPSOLQJJDVÀRZUDWH$ÀRZUDWHRIVDPSOLQJJDVPXVWEH/PLQ/PLQKLJKVSHHGUHVSRQFH/PLQ
/PLQ.
$ÀRZPHWHUVKRXOGEHSURYLGHGDVVKRZQLQ)LJ([DPSOHRIVDPSOLQJV\VWHPFRQ¿JXUDWLRQ.
3.4.3 Preparation for standard gas
3UHSDUHWKHVWDQGDUGJDVIRU]HURVSDQFDOLEUDWLRQ:KHQVHOHFWLQJWKHDQDO\]HUZLWKUHYHUVHVFDOHXVHJDVDQGVSDQFDOLEUDWLRQJDVHVRIFRQFHQWUDWLRQVKRZQRQWKHDWWDFKHGDQDO\WLFDOFXUYHZero gas 6DPHDVUHIHUHQFHJDVRUDVVSHFL¿HG6SDQJDV&RQFHQWUDWLRQZLWKLQWRRIPHDVXULQJUDQJH3RVLWLYHUDQJHConcentration beyond 100% is inapplicable.
3.4.4 Purging of instrument inside
7KHLQVLGHRILQVWUXPHQWQHHGQRWEHSXUJHGJHQHUDOO\H[FHSWIRUWKHIROORZLQJFDVHV(1) A combustible gas component is contained in sample gas.
(2) Corrosive gas is contained in the atmospheric air at the installation site.
(3) The same gas as the sample gas component is contained in the atmospheric air at the installa-
tion site.
,QVXFKFDVHVDVDERYHWKHLQVLGHRIDQDO\]HUVKRXOGEHSXUJHGZLWKWKHDLUIRULQVWUXPHQWDWLRQor N2.
3XUJLQJÀRZUDWHVKRXOGEHDERXW/PLQIf dust or mist is contained in purging gas, it should be eliminated completely in advance.
3.4.5 Pressure at sampling gas outlet
Pressure at the sampling gas outlet should be set to atmospheric pressure or equivalent.
10 INZ-TN6ZAF-E
([DPSOHRIVDPSOLQJV\VWHPFRQ¿JXUDWLRQ7KHV\VWHPFRQ¿JXUDWLRQPD\YDU\GHSHQGLQJXSRQWKHQDWXUHRIPHDVXUHGJDVFRH[LVWHQWJDVHVRUDSSOLFDWLRQ$W\SLFDOFRQ¿JXUDWLRQGLDJUDPLVVKRZQLQ)LJ6LQFHDV\VWHPFRQ¿JXUDWLRQGHSHQGVXSRQPHDVXUHGJDVFRQVXOWZLWK)XML(OHFWULF&R.
Aspirator
Sampling
gas
Electronic
dehumidifier
Drain trap
Ball valve
Solenoid
valve
Solenoid
valve
Span
calibration
gas
Zero
calibration
gas
Flow meter Membrane
filter
Analyzer
(ZAF)
Exhaust
1L/min
Note 1) If auto calibration function
is not provided, use a
change cock.
Note 1
Purge
N2or Air
)LJ([DPSOHRIVDPSOLQJV\VWHPFRQ¿JXUDWLRQ
11
INZ-TN6ZAF-E
3.5 Wiring method
7KHSRZHUWHUPLQDOEORFNDQGWKHH[WHUQDO,2WHUPLQDOEORFNVDUHSURYLGHGRQWKHUHDUIDFHRIWKHDQDO\]HU6HHWKHIROORZLQJ¿JXUHWire each terminal by referring to “3.5.1” to “3.5.7”.
INLET
PURGE
12345
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
kk
OUTLET
Optional terminal block
Standard terminal block
:LULQJZRUNPXVWEHSHUIRUPHGZLWKWKHPDLQSRZHUVHWWR2))WRSUHYHQWHOHFWULFVKRFNV•EQIRUFHFRQVWUXFWLRQRIFODVV'JURXQGLQJZLUHE\DOOPHDQV,IWKHVSHFL¿HGJURXQGLQJFRQVWUXFWLRQLVQHJOHFWHGDVKRFNKD]DUGRUIDXOWPD\EHFDXVHG•:LUHVVKRXOGEHWKHSURSHURQHPHHWLQJWKHUDWLQJVRIWKLVLQVWUXPHQW,IXVLQJDZLUHZKLFKFDQ-
QRWHQGXUHWKHUDWLQJVD¿UHPD\RFFXU.
•%HVXUHWRXVHDSRZHUVXSSO\RIFRUUHFWUDWLQJ&RQQHFWLRQRISRZHUVXSSO\RILQFRUUHFWUDWLQJPD\FDXVH¿UH.
%HVXUHWRXVHWKHVWDQGDUGZLUHVRI8/$:*.
Cross sections: 0.20 inch2(1.31mm25DWHGWHPSHUDWXUH&.
•Circuit breaker as disconnector for the analyzer.
•A breaker that meets IEC60947-1 and IEC60947-3 should be included in the installation.
$EUHDNHUVKRXOGEHLQVWDOOHGQHDUWKHDQDO\]HUZKHUHDQRSHUDWRUFDQDFFHVVLW$ODEHOWKDWFOHDUO\LQGHQWL¿HVWKHEUHDNHUVKRXOGEHSODFHRQLW•The breaker rating should meet the analyzer rating max 1 A and a breaker should conform to all
necessary approvals.
CAUTION
12 INZ-TN6ZAF-E
'RQRWLQVWDOOWKHDQDO\]HUQHDUSRZHUQRLVHJHQHUDW-
ing electric equipment (such as high frequency furnace
DQGHOHFWULFZHOGHU,IWKHDQDO\]HUPXVWEHXVHGQHDUVXFKHTXLSPHQWDVHSDUDWHSRZHUOLQHVKRXOGEHXVHGIRUavoiding noise.
In case noise may enter from a relay, solenoid valve, etc.
WKURXJKSRZHUVXSSO\FRQQHFWDYDULVWRURUVSDUNNLOOHUWRWKHQRLVHVRXUFHDVVKRZQLQULJKW¿JXUH,IWKHYDULVWRURUVSDUNNLOOHULVORFDWHGDZD\IURPWKHQRLVHVRXUFHQRH൵HFWLVREWDLQDEOH6RORFDWHQHDUWKHQRLVHVRXUFH
ZAF power supply
Varistor or
spark killer
Locate and connect
in close proximity
Noise source
When noise source is in the vicinity
3.5.2 Measured value output signal (standard terminals (4) – (5))
• 2XWSXWVLJQDOWRP$'&WR9'&WRP9'&&DQEHVHOHFWDWWKHWLPHRIorder placement.) Isolated output
• $OORZDEOHORDGWRP$'&or less
WR9'&WRP9'&Nor more
3.5.3 Corrective input (optional terminals (3) – (4))
,ILQWHUIHUHQFHFRUUHFWLYHFDOFXODWLRQLVVSHFL¿HGDWWKHWLPHRISODFHPHQWRIDQRUGHULQWHUIHUHQFHJDV&22RU&+4) measured value is input.
WR9'&SRLQW1RWH7KHFRUUHFWLYHLQSXWVHFWLRQRIWKLVLQVWUXPHQWLVQRWLVRODWHG7RHOLPLQDWHWKH
LQWHUIHUHQFHIURPXQQHFHVVDU\VLJQDOVDQGWKHH൵HFWRIH[WHUQDOLQWHUIHUHQFHZH
recommend you to isolate signals.
3.5.4 Contact input (optional terminals: DI1 (5) – (6), DI2 (7) – (8), DI3, (9) – (10))
• 1RQYROWDJHFRQWDFWLQSXW6HOHFWLQJ212))FORVHVRSHQVFRQWDFW• Don’t apply voltage to terminals.
1RWH$IWHUWKHZLULQJZRUNEHVXUHWRSODFHWKHSURWHFWLYHFRYHUIRUWKHWHUPLQDOEORFNVWRassure safety.
3.5.1 Power supply (standard terminals (1) - (2))
&RQQHFWWKHJLYHQSRZHUVXSSO\WRWKHSRZHUWHUPLQDODQGFRQQHFWWKHJURXQGZLUHWRWKHJURXQG-
ing terminal (standard terminal (3)3HUIRUPFODVV'JURXQGLQJ8VHVROGHUOHVVWHUPLQDOVIRUM4) to connect the cables to the terminals.
13
INZ-TN6ZAF-E
3.5.6 List of termnal blocks
L
N
E
+
–Measured value output (as specified)
4 to 20mA DC
0 to 1V DC
0 to 10mV DC
Power supply 100 to 240V AC, 50/60Hz
Grounding terminal
1
2
3
4
5
Refer to “Input/output contact specifications” in Section 9.2 CODE SYMBOLS.
Standard terminal
Option terminal
(M3.5 screw)
(M4 screw)
DO1
DO1
DO2
DO2
DO3
DO3
DO4
DO4
DO5
DO5
AIN+
AIN–
DI1
DI2
DI2
DI3
DI3
DI1
Remote output holding
Remote range changeover
Remote automatic calibration start
Interference compensation
input 1 to 5V DC Contact output 2
Contact output 3
Contact output 4
Contact output 5
Contact output 1
111
212
313
414
515
616
717
818
919
10 20
3.5.5 Contact output (optional terminals: DO1 (11) – (12), DO2 (13) – (14), DO3 (15) – (16),
DO4 (17) – (18), DO5 (19) – (20))
Contact capacity: 250V AC/2A resistive load
• Relay contact output: Selecting ON/OFF closes/opens contact
Note) 7RHOLPLQDWHWKHH൵HFWRIH[WHUQDOLQWHUIHUHQFHVHSDUDWHWKHSRZHUFDEOHIURPWKHPHDVXUHGYDOXHRXWSXWVLJQDOFDEOHDQGFRQWDFWLQSXWVLJQDOFDEOH.
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