Thermo Scientific 146i Instruction Manual page 13

Chapter 8
Thermo Fisher Scientific
Photometer Temperature Calibration (Photometer option) ................ 7-2
Solenoid Replacement......................................................................... 7-2
Pressure Transducer Replacement (Photometer option) ...................... 7-2
Pressure Transducer Calibration (Photometer option)......................... 7-2
Ozonator Lamp Replacement (Ozonator option) ................................ 7-2
Ozonator Lamp Heater Replacement (Ozonator option) .................... 7-2
Ozonator Replacement (Ozonator option) .......................................... 7-2
Ozonator Board Replacement (Ozonator option)................................ 7-2
Permeation Oven Replacement ........................................................... 7-2
Reaction Chamber/Mixing Chamber Replacement ............................. 7-3
Pressure Regulator Replacement.......................................................... 7-3
Back Pressure Regulator Replacement ................................................. 7-3
Pressure Regulator(s) Adjustment........................................................ 7-3
Ambient Temperature Calibration ...................................................... 7-3
Service Locations................................................................................. 7-3
System Description .......................................................................................... 8-1
Hardware ............................................................................................ 8-1
Flow System........................................................................................ 8-1
Precision Gas Dilution ..................................................................... 8-1
Ozone Generation............................................................................ 8-1
Gas Phase Titration.......................................................................... 8-1
Permeation Tube Oven.................................................................... 8-1
Photometer ...................................................................................... 8-1
Detector System ............................................................................... 8-1
Pressure Transducer ......................................................................... 8-1
Ozonator.......................................................................................... 8-1
Ozonator Lamp Power Supply ......................................................... 8-1
Photometer Lamp Power Supply...................................................... 8-1
Photometer Temperature Thermistor............................................... 8-1
Pump ............................................................................................... 8-1
Sample/Reference Solenoid Valves ................................................... 8-1
Ozonator Solenoid ........................................................................... 8-1
Perm 1 Solenoid............................................................................... 8-1
Perm 2 Solenoid............................................................................... 8-1
Reaction Chamber Solenoid............................................................. 8-1
Zero Air Solenoid............................................................................. 8-1
External/Internal Solenoid ............................................................... 8-1
Span Gas Solenoids .......................................................................... 8-1
Photometer Capillary ....................................................................... 8-1
Ozonator Capillary........................................................................... 8-1
Pressure Gauge Capillary.................................................................. 8-2
Pump Capillary ................................................................................ 8-2
Mixing Chamber.............................................................................. 8-2
Manifold .......................................................................................... 8-2
Mass Flow Controllers ..................................................................... 8-2
Contents
Model 146i Instruction Manual ix