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PEAK
Scientific Instruments Ltd
Instructions for use Manual
ZA300 issue 3
Directions For Use
"Zero Air" Gas Generator
ZA300
Peak Scientific Instruments Ltd
Fountain Crescent
Inchinnan Business Park
Inchinnan
Renfrewshire
PA4 9RE
T.(Europe) +44 (0) 141 812 8100
T. (USA) +1 866 647 1649 (sales)
T.(USA) +1 866 732 5427 (tech support)
F.(Europe) +44 (0) 141 812 8200
info@peakscientific.com
sales@peakscientific.com
support@peakscientific.com
www.peakscientific.com
ZA300 Zero Air Gas Generator
th
30
March 2005
1
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Summary of Contents for Peak Scientific Zero Air
- Page 1 ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Directions For Use “Zero Air” Gas Generator ZA300 Peak Scientific Instruments Ltd Fountain Crescent Inchinnan Business Park Inchinnan Renfrewshire PA4 9RE T.(Europe) +44 (0) 141 812 8100 T.
- Page 2 ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Document Change History Issue No Changed Initials Date First Issue 21/10/98 Spare Parts 11/12/98 New style front added 30/03/05 ZA300 issue 3...
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Page 3: Table Of Contents
ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Contents Page No Warranty Statement Introduction Unpacking & Installation Electrical Connection Air Connection Principle of Operation Commissioning Routine Maintenance Troubleshooting Technical Specifications System Diagrams Maintenance Log... - Page 4 March 2005 Safety First It is important that you thoroughly read and understand this manual before operating or servicing this Peak Scientific Instruments Gas Generator. PLEASE NOTE THE FOLLOWING CAUTIONS AND WARNINGS FOR YOUR OWN SAFETY. ! Caution – Only authorized persons should operate or service this equipment.
- Page 5 These instructions must be read thoroughly and understood before installation and operation of your Peak Gas Generator. Use of the Generator in a manner not specified by Peak Scientific Inst. MAY impair the SAFETY provided by the equipment. When handling, operating or carrying out any maintenance, personnel must employ safe engineering practices and observe all relevant local health and safety requirements and regulations.
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Page 6: Warranty Statement
ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 ZA300 issue 3... -
Page 7: Introduction
Instructions for use Manual March 2005 Introduction The Peak Scientific Instruments range of Zero Air Gas Generators is designed to produce a constant flow of Zero Grade Air with a Hydrocarbon content (as Methane) of less than 0.1 ppm. Unpacking and Installation. -
Page 8: Air Connection
The inlet air should be oil free and pre-filtered to remove bulk moisture. Although not essential, an air drier up-stream of the generator will ensure a long and trouble free life. Note the platinum catalyst within the Zero Air Catalytic Chamber will become poisoned if it comes into contact with any halogenated hydrocarbons, silicone sprays, silicone greases, phosphorous compounds, lead components, high sulphur vapours or other catalyst poisons. -
Page 9: Principle Of Operation
March 2005 Principle of Operation The Peak Scientific Instruments Zero Air Gas Generator works on the basis of two fundamental processes as illustrated in the following schematic diagram. Note: - this diagram is only to illustrate the principles involved. For an actual pneumatic diagram please refer to the drawings at the end of this document. - Page 10 2 minutes indefinitely. Zero Air Generation The second process utilizes a 'Zero Air' catalytic combustion chamber. This works on the principle of catalytic oxidation where hydrocarbons from the incoming compressed air supply are cracked to carbon dioxide and water.
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Page 11: Commissioning
ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Commissioning. This should be undertaken by a technically competent person With the generator installed as described earlier remove the front cover. Check that all the internal components are securely located and have not moved during transit. - Page 12 ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Purge Setting The PSA Purge has been set in the factory and should not require adjustment. The purge can be checked by connecting a simple Rotameter type flow meter to the outlet of the drier purge valves in turn.
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Page 13: Routine Maintenance
ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Routine Maintenance WARNING: Servicing and/or repair of the Generator should only be undertaken by a TECHNICALLY COMPETENT PERSON with the Generator safely isolated. Due to the simplicity of the design and the small number of moving parts the Peak Gas Generator will have a long and trouble free life. - Page 14 ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Catalytic Chamber The Catalytic Chamber is heated to 400ºC and will cause severe burns if touched. If for any reason the chamber or its associated parts need to be examined the generator must be switched off and allowed to cool.
- Page 15 ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Inlet Filter / Separator Elements These should be changed at intervals as indicated below. In addition filter bowls should be cleaned and the operation of the auto-drains should be checked.
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Page 16: Troubleshooting
ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Troubleshooting Problems with the ZA300 will most probably be shown up by increased levels of Hydrocarbons or CO being detected on the baseline. The following procedure should be followed to identify the source of the problem. - Page 17 ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 High Moisture Level No Flow Moisture Check Clear Obstruction Present Drain Port Clear Check Check Motor Tighten Cam Rotating Operation Grub screw Open Circuit Audible...
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Page 18: Technical Specifications
ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Technical Specifications General Details Minimum Operating Ambient Temperature C (41 Maximum Operating Ambient Temperature C (113 Inlet Conditions (Free of oil and bulk moisture) Minimum Air Inlet Pressure... - Page 19 ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Parts List Item Part No Transformer 04-4356 Heater Element 04-1059 Thermocouple 04-1050 Temperature Controller 04-1170 Cooling Fan 04-1022 Cam Timer 04-1042 Coalescer 02-4366 Element 02-4335...
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Page 20: System Diagrams
Heater Rod Thermocouple Calibration Gas Pressure Front Panel Drier Chamber Flow Regulator Heat Exchanger Outlet Filter 5/2 Valve Drain Outlet ZA300 Pneumatic Diagram Cam Timer... - Page 21 Switch Fuse Fan Motor Transformer (230V Only) Temperature Temperature Controller Controller (400 Deg C) (400 Deg C) Fan Motor Fan Motor Cam Timer Transformer (230V Only) Heater Heater Thermocouple Thermocouple ZA300A Electrical Diagram...
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Page 22: Maintenance Log
ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Maintenance Log Model- Serial number Work Done Remarks Date Name ZA300 issue 3... -
Page 23: Notes
ZA300 Zero Air Gas Generator PEAK Scientific Instruments Ltd Instructions for use Manual March 2005 Notes ZA300 issue 3...
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