User’s manual – Yokogawa AC8 Calibration Units User Manual
Page 2
User’s
Manual
IM 11M6D2-02E-A
3rd Edition
Model AC4/AC8 Automatic Calibration Unit
For Use With AV550G
Oxygen Analyzer Averaging Converter
I.
Introduction.................................................................................................3
II. Overview......................................................................................................3
2.1 Models AC4/AC8 Multi-Channel Automatic Calibration ..............................................................3
III. Installation ...................................................................................................3
3.1 Location ..........................................................................................................................................3
3.2 Mounting ........................................................................................................................................3
3.3 Gas Sources ...................................................................................................................................4
3.4 Piping..............................................................................................................................................5
IV. Wiring ..........................................................................................................6
4.1 Wiring the AC4/AC8 to the AV550G Averaging Unit ......................................................................6
4.2 Pressure Switch, M1133AR, Set Point Procedure .........................................................................6
V. Initial Flow Rate Set-Up .............................................................................7
5.1 Checking for Leaks ........................................................................................................................7
5.2 Setting for Reference Air Flow .......................................................................................................7
5.3 Balancing Pressure Drops in the Cal Lines ....................................................................................8
5.4 Calibration Check ...........................................................................................................................9
VI. Programming ..............................................................................................9
VII. Set-Up Menus for Calibration from the AV550G Averaging Unit ...........9
7.1 Modes .............................................................................................................................................9
7.1.2 Calibration Setup Mode ............................................................................................................10
7.1.3 Zero Gas Concentration ............................................................................................................10
7.1.4 Span Gas Concentration ...........................................................................................................10
VIII. Maintenance .............................................................................................12
IX. Trouble shooting .......................................................................................12
9.1 Typical Calibration Problems ........................................................................................................12
X. Spare Parts and Accessories ..................................................................13
10.1 Spare Parts .................................................................................................................................13
10.2 Accessories ...............................................................................................................................14
10.2.1 Zero Gas Regulator, M1132ZX ........................................................................................15
10.2.2 Pressure Regulator, M1132KD ........................................................................................15
10.2.3 Pressure Gauge, M1132CG .............................................................................................15
10.2.4 Zero Gas Pressure Switch, M1133AR .............................................................................16
10.2.5 Fuses, M1132HG .............................................................................................................16
Appendix A Wiring Diagram AC4 to AV550 to ZR22G ..................................17
Appendix B Wiring Diagram AC8 to AV550 to ZR22G ..................................19