Teledyne T400 User Manual page 16

Figure 5-12. Relay PCA Status LEDs Used for Troubleshooting ...........................................................................119
Figure 5-13. Typical Set Up of Status Output Test .................................................................................................129
Figure 5-14. Critical Flow Restrictor Assembly/Disassembly .................................................................................133
Figure 5-16: UV Lamp Driver Board Replacement .................................................................................................135
Figure 6-1. O Absorption Path ..............................................................................................................................141
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Figure 6-2. Reference / Measurement Gas Cycle ..................................................................................................142
Figure 6-3. Internal Pneumatic Flow - Basic Configuration ...................................................................................144
Figure 6-4. Flow Control Assembly & Critical Flow Orifice .....................................................................................145
Figure 6-5. Electronic Block Diagram .....................................................................................................................147
Figure 6-6. CPU Board ...........................................................................................................................................148
Figure 6-7. Relay Board Layout..............................................................................................................................151
Figure 6-8: Relay Board with Safety Shield In Place..............................................................................................152
Figure 6-9: Relay Board with AC Relay Retainer in Place .....................................................................................152
Figure 6-10. Relay Board Status LED Locations ....................................................................................................153
Figure 6-11: Heater Control Loop Block Diagram ..................................................................................................154
Figure 6-12. Power Distribution Block Diagram .....................................................................................................156
Figure 6-13. Location of AC Power Configuration Jumpers ...................................................................................157
Figure 6-14. Pump AC Power Jumpers (JP7) ........................................................................................................158
Figure 6-15. Typical Jumper Set (JP2) Set Up of Optional Metal Wool Scrubber Heater .....................................159
Figure 6-16. O Photometer Layout - Top Cover Removed ..................................................................................160
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Figure 6-17. Front Panel and Display Interface Block Diagram .............................................................................161
Figure 6-18. Basic Software Operation ..................................................................................................................162
xiv Teledyne API - Model T400 O Analyzer 083730400A DCN8130
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