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Troubleshooting Model GFC7000TA Carbon Dioxide Analyzer
Teledyne Analytical Instruments 231
Flow / Pressure
Sensor PCA
SAMPLE
PRESSURE
SENSOR
NO
2
FLOW
SENSOR
SAMPLE GAS
INLET
EXHAUST
GAS OUTLET
GFC Wheel
Housing
SAMPLE CHAMBER
GFC Motor
Heat Sync
PUMP
PURGE GAS
INLET
Sample Gas
Flow Control
Purge Gas
Flow Control
Purge Gas
Pressure Control
IZS INLET
PRESSURE
SPAN INLET
VENT SPAN
OUTLET
Sample / Cal
Valve
Zero / Span
Valve
External CO
2
Scrubber
Figure 10-8: Internal Pneumatic Flow – Ambient Zero/Ambient Span