YOKOGAWA ZO21DW, User Manual, Page: 6 / 39

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IM 11M03A02-00E
<CONTENTS>
Model ZO21DW
Detector
In-Situ Type Zirconia Oxygen Analyzer
CONTENTS
IM 11M03A02-00E 3rd Edition
INTRODUCTION .......................................................................................................i

For the safe use of this equipment .............................................................ii

After-sales Warranty ...................................................................................iv
1. SPECIFICATIONS ..................................................................................... 1-1
1.1 Standard Specifications ...................................................................................1-1
1.2 Model and Codes ..............................................................................................1-2
1.3 External Dimensions ........................................................................................1-3
2. INSTALLATION ......................................................................................... 2-1
2.1 Installation Site ..................................................................................................2-1
2.2 Probe Insertion Hole .........................................................................................2-1
2.3 Detector Installation .........................................................................................2-2
3. PIPING ........................................................................................................ 3-1
3.1 Piping for System 1 ...........................................................................................3-1
3.1.1 Parts Required for Piping in System 1 ............................................... 3-2
3.1.2 Connection to the Calibration Gas Inlet ............................................. 3-2
3.1.3 Piping for the Reference Gas Inlet ..................................................... 3-3
3.2 Piping for System 2 ...........................................................................................3-4
3.2.1 Piping Parts for System 2 ..................................................................3-4
3.2.2 Piping for the Calibration Gas ............................................................ 3-5
3.2.3 Piping for the Reference Gas............................................................. 3-6
3.2.4 Valve Operation of Reference Gas Outlet ......................................... 3-6
3.3 Piping for System 3 ..........................................................................................3-6
4. WIRING ...................................................................................................... 4-1
4.1 General ...............................................................................................................4-1
4.1.1 Cable Specification ............................................................................4-1
4.1.2 Wiring Procedure ...............................................................................4-2
4.2 Wiring for Detector Output ...............................................................................4-3
4.2.1 Connection to the Detector ................................................................4-3
4.3 Wiring for Power to Detector Heater ...............................................................4-4
4.3.1 Connection to Detector ......................................................................4-4
4.4 Power and Grounding Wiring ..........................................................................4-5
4.4.1 Power Wiring ......................................................................................4-5
4.4.2 Grounding Wiring ...............................................................................4-5