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Teledyne 701H 5.2.13 CO Scrubber , 5.2.14 NO Scrubber , 5.2.15 Charcoal Scrubber , 5.2.16 Final Filter , 5.2.17 Controller

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Teledyne API M701H High Performance Zero Air Generator Operation

06712B (DCN5875) 5-9

5.2.13 CO Scrubber

The CO scrubber catalytically oxidizes CO to CO2. The catalyst is proprietary and

operates at room temperature; theoretically, it should never need changing. However, it

may become contaminated or poisoned over time so we recommend that it be replaced

once per year or sooner if the level of CO in the air is high.

5.2.14 NO Scrubber

The NO scrubber uses Purafil® to oxidize NO to NO2. Purafil® has a finite life and we

recommend that it be replaced annually or sooner if the level of NO in the air is high.

5.2.15 Charcoal Scrubber

Activated charcoal removes NO2, O3, SO2 and H2S. The charcoal should be replaced

annually or sooner if there are high atmospheric levels of these contaminants, or if the

calibrator zero air shows signs of a positive drift.

5.2.16 Final Filter

The final filter, inside the rear panel retains any particulates released by the M701H.

The filter rating is 10 microns. If the filter becomes restricted, it should be disassembled

and cleaned, or the element be replaced.

5.2.17 Controller

WARNING

DANGEROUS VOLTAGES EXIST ON THE CONTROLLER BOARD

EVEN WHEN THE POWER SWITCH IS TURNED OFF.

All functions of the M701H are managed by the M701H Control PCB. The M701H

Control PCB provides connections for all switched and non-switched AC components,

AC input, and the front panel power switch/circuit breaker. Non-switched components

include the CO or HC scrubber, fan and front panel power indicator. Switched

components include the Regenerative Dryer valve, water drain valve, and the pump.

Additionally, the tank pressure switch is connected to the PCB. Provision for 120v/240v

AC power is via a jumper plug/autotransformer connector (J2). All connections are

made by quick release electrical connectors to aid in servicing. Refer to Figure 5-3 for

the layout and to Appendix B for the interconnect and other drawings.

The M701H Control PCB is microcontroller based, and all timing is derived from the AC

line. It automatically senses the line frequency (50/60 Hz) and provides the following

functions:

Contents

Main Page ABOUT THIS MANUAL REVISION HISTORY Page SAFETY MESSAGES CONSIGNES DE SCURIT TABLE OF CONTENTS 2 SPECIFICATIONS AND WARRANTY....................................................... 11 4 OPTIONAL HARDWARE AND SOFTWARE............................................4-1 APPENDIX A Spare Parts A-1 APPENDIX B Schematics B-1 LIST OF FIGURES LIST OF TABLES Page 1 INTRODUCTION 1.1 Preface 1.2 Using This Manual 2 SPECIFICATIONS AND WARRANTY 2.1 Specifications Table 2-1: Specifications 2.2 Warranty WARRANTY POLICY (02024D) (DCN 4473) COVERAGE NON-TELEDYNE API MANUFACTURED EQUIPMENT 3 GETTING STARTED 3.1 Unpacking 3.2 Installation Page 3.3 Front and Rear Panels 3.4 Electrical And Pneumatic Connections 3.5 Power-Up 3.6 Shut Down, Storage and Transportation 3.6.1 Compressor Shut Down 3.6.2 Storage or Transportation Shut Down Page 4 OPTIONAL HARDWARE AND SOFTWARE 4.1Carrying Strap/Handle (OPT 29) 4.2 Rack Mount Kits (OPT 20A, OPT 20B & OPT 21) 4.3 Expendable Kits (OPT 42A) 4.4 Flow Restriction (13 SLPM) (OPT 72B) 5 OPERATION 5.1 Overview Page Page Page 5.2 Components 5.2.1Compressor 5.2.2 Cooling Coil 5.2.3 Water Trap 5.2.4 Water Drain Valve 5.2.5 Pressure Relief Valve 5.2.6 Regenerative Dryer 5.2.7 Check Valve 5.2.8 Storage Tank 5.2.9 Pressure Sensor 5.2.10 Pressure Regulator 5.2.11 Pressure Gauge 5.2.12 Hydrocarbon Scrubber 5.2.13 CO Scrubber 5.2.14 NO Scrubber 5.2.15 Charcoal Scrubber 5.2.16 Final Filter 5.2.17 Controller Page Page 5.2.18 Dew Point Sensor 6 MAINTENANCE 6.1 Schedule 6.2 Cleaning 6.3 Checking The Tubing 6.4 Replacing The Charcoal Scrubber 6.5 Replacing The NO - NO2 Scrubber 6.6 Replacing The CO Scrubber 6.7 Replacing The Hydrocarbon (HC) Scrubber 6.8 Servicing The Regenerative Dryer Page Page 6.9 Changing The 4-Way Valve (in the Regenerative Dryer) 6.10 Replacing The Shuttle Valve (in the Regenerative Dryer) 6.11 Leak Check 6.12 Particulate Filter Element Replacement 7 TROUBLESHOOTING Problem Probable Cause Corrective Action 8 A PRIMER ON ELECTRO-STATIC DISCHARGE 8.1 How Static Charges are Created 8.2 How Electro-Static Charges Cause Damage 8.3 Common Myths About ESD Damage 8.4 Basic Principles of Static Control 8.4.1 General Rules 8.5 Basic anti-ESD Procedures for Analyzer Repair and Maintenance 8.5.1 Working at the Instrument Rack 8.5.2 Working at an Anti-ESD Work Bench 8.5.3 Transferring Components from Rack to Bench and Back 8.5.4 Opening Shipments from Teledyne APIs Customer Service 8.5.5 Packing Components for Return to Teledyne APIs Customer Service WARNING A-1 APPENDIX A - SPARE PARTS Page SPARE PARTS LIST M701H Recommended Spare Parts Stocking Levels M701H * Page LEVEL 1 SPARES KIT M701H Page Page 701/701H Controller Board (AC POWER) OPTIONAL COJ9 COJ7 POPUMP0ON PORELIEF0VALVE 701/701H Controller Board (DC POWER) 1000uF, 50V B-4 PIVR102 PITVS105PITVS106PITVS107PITVS108 PIVR302 PITP801 PIVR202 POHEATER0ON COR13 B-5 COR6 X1 4.00 MHz POPUMP0ON COR25 COK5 PIK501PIK502PIK503 COJP2 PIU601 B-7 POPRESSURE COU7 PIU802