TVOC User Manual Supplement System Plus User
Contents
1. Lamp amp Stack Replace the TVOC lamp and stack VOC Stripping Filter replace with a new filter Replacement is simply removing the tubing from either end and fitting a new one in place Tubing If tubing needs to be replaced discoloured contaminated this can be cut to length and supplied accordingly Spare Parts List Pat Description Order Number Lamp and stack Replacement PID Sensor amp lamp 1 EO 02 Flow Fail Switch Flow Switch Range 1000 ml min 901 000 PTFE Tubing available PTFE tubing 6mm OD 4mmID TUBE 06 in 1 metre lengths TVOC System Plus Ton Science Ltd Maintenance Flow Fail Switch The flow switch is factory pre set to fail at 200cc s This setting can be checked with a Multimeter using the SET terminal on the flow switch which should give a reading of 2 6V at the 200cc rate The SET terminal is marked S on the drawing below and is located between the DC Supply terminals The flow failure rate can be changed if required depending on SEN es the circumstances of the sampling regime DC Supply 24 For example an adjusted reading of 3 5V will give an Fimo approximate flow fail at 500cc s When adjusting the flow fail rate the results should be verified for accuracy with a calibrated air sampling pump Flow fail led Flow in C NO Relay contacts2. TVOC User Manual Supplement System Plus User Guide V 1 1 lon Science Ltd The Way Fowimere Cambs 558 7UJ U K Tel 44 0 1763 208 503 Fax 44 0 1763 208 814 Advanced Gas Sensing Technologies Email infovionscience com Web www ionscience com TVOC System Plus Ton Science Ltd Declaration of Conformity Manufacturer Ion Science Ltd The Way Fowlmere Cambridge England SG8 7UJ Product TVOC System Plus Product description Continuous Pumped Air System built around the Ion Science TVOC Product Directive 2004 108EC Electrical Equipment Electromagnetic Compatibility EMC BS EN 61326 1 2006 Electrical equipment for measurement control and laboratory use EMC Requirements Class B and General Immunity Other Standards BS EN ISO 9001 2000 Quality Management Systems Requirements BS EN 61010 1 2001 Safety requirements for electrical equipment or measurement control and Laboratory use General requirements On behalf of Ion Science Ltd I declare that on the date this product accompanied by this declaration is placed on the market the product conforms to all technical and regulatory requirements of the above listed directives Name Mark Stockdale Position Technical Director Signature Date 28 May 2012 TVOC System Plus Ton Science Ltd Contents Page Frontpage Declaration of conformity Contents l Principle of Operation Quality Assurance Disposal Responsibility for Use Get
3. The supply is connected to the internal terminals see drawing below 24V power 24V positive terminal number 8 24V zero to terminal number 7 Flow Fail Switch A flow switch is provided to detect a flow failure caused by either a faulty pump or completely blocked inlet outlet In the event of a flow failure a fail relay operates the flow fail switch providing indication via a red led and volt free changeover terminal contacts Common terminal number 1 Normally Closed Contact terminal number 2 Normally Open Contact terminal number 3 Please note The relay is a failsafe type operation and is normally energised with no fault The flow fail switch can be used in series with the TVOC mA output to provide a remote fault indication or to Switch external visual and audible alarms TVOC System Overview TVOC System Plus Ion Science Ltd 16mm cable gland 16mm cable gland Cabinet terminations switch flow fail TVOC in switch 4 20mA CNCNO Reg 1 1 1 Wein erie tipp i 3 white wires TVOC System Plus Ton Science Ltd DIN Rail Terminations gt 2 a A Q D E gt 4 85 5 fowfail 3 3 ae i gt 2 6 E at fra s 1 2 9314 678 9 amp Lem 12 see eirfsis C NC NO i 420A TO TVOG TVOC System Plus Ton Science Ltd Service amp Maintenance Service Intervals The TVOC instrumen
4. persons or property TVOC System Plus Ion Science Ltd Getting started Packing List Please check the contents of the TVOC System Plus delivery before first operation Each System Plus box should include Description TVOC instrument complete fitted User manual TVOC Instrument User manual System Plus Supplement Mini Pump fitted Water Trap Filter fitted Flow Fail Switch fitted VOC Stripping Filter fitted Variable Power Supply Dependant on spec _ 3 eerererehehehe Identifying the System Plus Components To help you identify the components listed please see below Sample Power In Control Out Inlet Cable Glands Sample Exhaust Mini Pump mc Power Supply ap Option Filter op TVOC VOC Stripping Flow Fail Switch Filter TVOC System Plus Ton Science Ltd Installation System Plus can be wall mounted or used as a stand alone instrument as all input and output connections are via the top of the cabinet There are pre drilled wall mounting holes located in the back wall of the cabinet which should have gland or stopper fitted if using the System Plus as a stand alone instrument Electrical Installation System Plus has been designed to work from a 24V DC 1A supply an optional mains supply can be used see optional extras Space has been provided on the din rail to install an optional mains power supply The external 24V DC supply must be fused at 1A before entering the cabinet
5. t housed in the System Plus enclosure should be serviced in accordance with the guide lines in the current TVOC Operating Manual Important note for service of the TVOC The TVOC is fitted with a surge detecting circuit which will blow the TVOC supply fuse when the TVOC s supply is connected with a fast DC rise time as with an ON OFF switch to prevent this problem it is advised to switch the DC supply off from the mains supply this will provide a slow rise of the DC when the mains supply is returned Service intervals for the System Plus components will depend mainly on the external factors affecting its operation such as concentration of gas being sampled moisture content of sampled gas length of sample line being used etc etc As a guide we would recommend the following Service and Maintenance program Weekly Water Trap Filter check and remove any water in the unit To disassemble remove the tubing from either end and remove the filter by pulling out of the spring clip drain water and Biannually Lamp amp Stack Replace the TVOC lamp and stack Water Trap Filter fit a new filter assembly Annually Mini Pump replace with a new pump the pump s polarity should be observed Positive wire to terminal number 10 Negative wire to terminal number 6 The pump is fitted onto a spring clip It is important when fitting the flexible tubing to the pump to observe correct flow Water Trap Filter fit a new filter assembly
6. ting Started Packing List System Plus Components Identification Installation Top down overview DIN Terminals Service amp Maintenance Spare Parts Maintenance rFPOUWOON A TMU A A A AUNE TVOC System Plus Ton Science Ltd Principle of Operation System Plus is an environmentally sealed IP66 continuously pumped air system built around the Ion Science TVOC product and can operate as a field portable or fixed operation system utilising different power supply options to enhance the measurement capabilities of the TVOC Photo Ionisation Detector for measuring VOC gases Gas flow in is connected to the Sample Inlet via a 6mm push fit connector the integral Mini Pump working at a flow rate of 2 litres per minutes draws the sample from the Sample Inlet through a Water Trap Filter across the TVOC detectors sensor and through a Flow Fail Switch the sampled gas then exits the system via a VOC Stripping Filter to the Sample Exhaust Detected gas will be displayed on the TVOC s LCD display and a measured output can be obtained via the TVOC 4 20mA output see TVOC manual for details Also as a safety precaution any VOC gas passing through the system will be absorbed into a VOC Stripping Filter before exiting the system via the Sample Exhaust as clean air The System Plus option for TVOC is designed to be mounted in non intrinsically safe areas only and allow a gas sample to be drawn from a remote location up to a maximum of 30M awa
7. y via 6mm PTFE tubing Ensure PTFE or similar sampling tubing is used so that any VOC s are not absorbed into the tubing walls The 4 20mA analogue output is wired directly from the TVOC instrument to a DIN rail mounted connector for ease of access for signal integration into a DCS for process control BMS for warning alarms or used as a data logging function The System Plus box has multiple power input options 12V dc 24V dc 110 115V ac 230 240V ac allowing it to be utilised in both fixed and portable operations Two additional cable glands are provided on the top of the System Plus box to enable Power In and Control Out cabling PLEASE NOTE THIS MANUAL SHOULD BE READ IN CONJUNCTION WITH THE LATEST VERSION OF THE TVOC INSTRUMENT MANUAL FOR INSTALLATION AND OPERATING PURPOSES Quality Assurance System Plus has been designed in compliance with IS09001 2008 This ensures that the equipment supplied to our customers has been assembled reproducibly and from traceable components Disposal Dispose of the TVOC System and its components in accordance with all local and national safety and environmental requirements Responsibility For Use The System Plus option for the TVOC instrument allows detection of a large range of Volatile Organic Compound VOC gases which are dangerous from both a toxicological and explosive perspective Ion Science Ltd accepts no responsibility for the incorrect adjustment of features that cause harm or damage to
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