Scion Instruments 436-GC - PDHID Pulsed Discharge Helium Ionization Detector

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436-GC/456-GC

720 Detectors

SCION Instruments

436-GC/456-GC Service Manual Revision B February 2019

PDHID Pulsed Discharge Helium Ionization Detector

Ground electrode (CP740764)

Nut for ground electrode (VLI23534)

Spanner tool (CP740760)

Detector cell (CP740765)

High voltage cable (CP740763)

4. Bias Cable assy (CP740761)

Electrometer cable assy (CP740773)

Temperature Probe (392537401)

Heater, 120V 125W- 392539601

230V 125W- 392539602

4 3

Main Page

Default Chapter2
- Table of Contents2
110 Safety7
Information7
Indications7
Warnings9
- Heated Components9
- Voltage Carrying Components9
  - Before You Start9
- 120 Tools Required11
Spare Parts17
Field Instruction Manuals27
Covers29
- 456-GC Cover RIGHT30
- 456-GC Covers TOP30
- 436-GC Cover Right31
- 436-GC Cover TOP31
- Covers REAR (to be Detailed)32
- Exhausts32
- Panel Pneumatic with Overlay32
Basic33
- Manifold Assy 234
- Peek Tubing34
- Manifold Connection for Gases35
- Detailed Information on Manifold35
- Bulkhead Unions36
- Carrier Gas Tee Connection36
- Pencil Filters37
- Detailed Information on Pencil Filters37
- Fan Motor38
- Ac Rectifier Board, Line Filter & Transformer39
- Column Oven40
- Column Temperature Probe41
- Blade Assy41
- Vent Door42
- Chassis Fan43
Miscellaneous44
- Cable Clamp44
- Stand off Clamp44
- Column Holder44
- Power Cables46
Removal and Replacement Procedure48
- Fan-Motor Adjustment49
- Removal & Replacing the 436-GC Main Board51
- Removal & Replacing the 456-GC Main Board52
- Removal & Replacing of the Option Board54
- Removal & Replacing the LUI Assy on 436-GC55
- Removal & Replacing the LUI Assy on 456-GC56
- Calibration LUI Assy57
- Display Information (to be Detailed)58
- Removal and Replacing FID/NPD Flame Tip60
Error Codes61
Electronics73
- Hardware Description74
- Electronic - Pneumatic Injector Controller PWA Circuit Description75
- ADC Circuit Description80
- FID Electronics Circuit Description82
- ECD Electronics Circuit Description86
- NPD Electronics Circuit Description89
- TCD Electronics Circuit Description93
- PFPD Electronics Circuit Description96
- Software Description100
- Electrical Diagrams101
Illustrated Parts Breakdown103
Injectors104
- Split/Splitless Injector Assembly105
- Programmable Temperature Vaporizing (PTV) Injector106
- Cooling Option LCO2 (PTV Injector)107
- Cooling Option LN2 (PTV Injector)108
- Cooling Option AIR (PTV Injector)109
- On Column Injector110
- Flash Vaporization Injector111
- Septum Equipped Programmable Injector (SPI) Injector112
- Cooling Option LCO2 (SPI Injector)113
- Cooling Option LN2 (SPI Injector)114
- Cooling Option AIR (SPI Injector)115
- Flow Diagram SPI Injector116
- SPT Sample Pre Concentration Trap (SPT) Injector117
- Trap Descriptions118
Detectors120
- FID Flame Ionization Detector121
- NPD Nitrogen Phosphorus Detector122
- TCD Thermal Conductivity Detector123
- ECD Electron Capture Detector125
- PFPD Pulsed Flame Photometric Detector126
- Replacing the Optical Filter127
- PDHID Pulsed Discharge Helium Ionization Detector128
- Overview PDHID129
- Column Connections129
- Helium Purifier130
- Power Supply PDHID130
- Pulse Discharge Module130
- Valco Manifold TIGA131
- Minature Helium Purifier131
Electronic Flow Control132
- EFC Type 21 Constant Pressure or Constant Flow Module132
- EFC Type 23 Flow Control Module132
- EFC Type 24 Pressure Control Module132
- EFC Type 25 Pressure Control Module132
- EFC & DEFC Layout132
- Electronic Flow Control Type 21133
- Split Injection Use with Split/Splitless Injector134
- Splitless Injection Use with Split/Splitless Injector135
- Split Injection Use with PTV Injector136
- Splitless Injection Use with PTV Injector137
- Electronic Flow Control Type 23138
- Injection Use with on Column Injector139
- Injection Use with Flash Vaporization Injector140
- Injection Use with SPI Injector141
- Electronic Flow Control Type 24142
- Injection Use with on Column Injector143
- Injection Use with Flash Vaporization Injector144
- Electronic Flow Control Type 25145
- Injection Use with Split/Splitless Injector146
- Injection Use with PTV Injector147
- EFC Units148
- Module Configuration Matrix148
- EFC & DEFC Layout149
- EFC Type 21 Layout149
- EFC Type 23 Layout149
- EFC Type 24 Layout150
- EFC Type 25 Layout150
- DEFC Type 11 (FID) Layout151
- DEFC Type 12 (NPD) Layout151
- DEFC Type 13 (TCD / ECD) Layout152
- DEFC Type 14/16 (TCD) Layout152
- DEFC Type 15 (PFPD) Layout153
Manual Flow Control154
- Overview EFC to Pneumatic Injector Control155
- Overview EFC to Pneumatic Detector Control156
- Pressure Gauge157
- Flow Controller157
- Mass Flow Controller157
- Pressure Controller158
- Back Pressure Regulator158
- Valve Control for Manual Flow158
Cryogenic Column Oven159
- Assy, Column Oven Cryo LN 2160
- Assy,Column Oven Cryo LCO 2162
Electronics164
- 436-Gc / 456-Gc Mainboard165
- BOOTP Selector166
- Pwa167
- Option Board168
- LUI Assy 456-GC169
- LUI Assy 436-GC169
- Analog Cables170
Valve Ovens171
- Assy, Large Valve Oven172
- Assy, Dual Valve Oven173
VICI Valves174
- Gas Sampling Valves174
- Liquid Valves174
- Micro-Electric Actuators for Stream Selection Valves (Multi-Position)180
810 Preventive Maintenance181
- Preventive Maintenance182
- Technical Information187
  - Overview Released Bulletins188
- Service Bulletins188
  - How to Set the IP Address in Compass-CDS Workstation Using BOOTP189
  - How to Set a Fixed IP Address in the 436-GC/456-GC193

Scion Instruments 436-GC - PDHID Pulsed Discharge Helium Ionization Detector

Table of Contents