Contents Preface Safety Information Specified Use Safety Instructions Preparation for Installation Requirements for the Installation Site, Power Supply Sample Gas Inlet Conditions Scope of Delivery Dimensional Drawing Sample Gas Feed Unit Installation Unpacking the Sample Gas Feed Unit Mounting the Sample Gas Feed Unit Connecting the Gas Lines Connecting the Electrical Leads Sample Gas Feed Unit Start-Up...
SCC-S sample gas feed unit safely and in accordance with the regulations. This operator's manual contains information on all the functional units in the SCC-S sample gas feed unit. The delivered sample gas feed unit may differ from the version described. Further Information...
Safety Information Specified Use Specified Use The SCC-S sample gas feed unit is designed for continuous dosed sample gas feeding. The SCC-S sample gas feed unit with Peltier cooler is additionally designed for cooling the sample gas and separating and removing the condensate.
Safety Instructions Requirements for Safe Operation In order to operate in a safe and efficient manner the device should be properly handled and stored, correctly installed and set-up, properly operated and correctly maintained. Personnel Qualifications Only persons familiar with the installation, set-up, operation and maintenance of comparable devices and certified as being capable of such work should work on the device.
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Risks Involved in Opening the Covers Current-bearing components can be exposed when the covers or parts are removed, even if this can be done without tools. Current can be present at some connection points. Risks Involved in Working with an Open Device All work on a device that is open and connected to power should only be performed by trained personnel who are familiar with the risks involved.
H A P T E R Preparation for Installation Requirements for the Installation Site, Power Supply Short Gas Paths The sample gas feed unit should be installed as close as possible to the gas analyzer. Adequate Air Circulation Ensure adequate natural air circulation around the sample gas feed unit. Avoid heat buildup.
Version with Peltier Cooler: max. 50 °C (at max. +25 °C ambient temperature) Scope of Delivery Scope of Delivery Quantity Description SCC-S Sample gas feed unit Power supply cable, length 2 m Socket plug, 8-pole, for signal line connection Operator’s manuals (1 copy in German, 1 in English)
Dimensional Drawing Dimensional drawing (dimensions in mm) Sample gas inlet Sample gas outlet, bypass outlet and test gas inlets via ball valve or solenoid valve Power supply connection and electrical connection for status signal, solenoid valve control and 24 VDC Ball valve for infeed of test gas Flow monitor with needle valve (Option: second flow monitor for bypass) Peristaltic pump (Option: second peristaltic pump for external cooler)
H A P T E R Sample Gas Feed Unit Installation Unpacking the Sample Gas Feed Unit In the event of transport damage attributable to improper handling, instigate damage assessment by the carrier (rail, post office, forwarder) within seven days. Make sure that none of the enclosed accessories are lost during unpacking.
Mounting the Sample Gas Feed Unit NOTES Max. inclination of the instrument 5°. A distance of at least 1 height unit from devices which develop heat is required for the version with Peltier cooler. When mounting, allow for the additional space required for the cooling air outlet on the left and right side of the unit (min.
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Exchanging the Fittings Flange with the Blank Flange View from behind Loosen the 2 fixing screws and open the housing cover. Loosen the 4 fixing screws each on the fittings flange and on the blank flange. Exchange the fittings flange with the blank flange. Take care not to bend or squash any hoses.
Connecting the Gas Lines Gas connections (view from above) Gas Connections The gas connections are PVDF or PPH fittings for DN 4/6 mm hose. Gas Line Connection Connect the gas lines to the gas inlet and outlet fittings. The gas lines should be made from material that is suited to the measuring task.
Connecting the Electrical Leads WARNING Please observe the relevant national safety regulations for the construction and operation of electrical installations as well as the following safety instructions. Before connecting the power supply, check that the operating voltage on the rating plate is the same as the mains voltage. The protective-conductor terminal must be connected to a protective conductor before any other connections are set up.
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Internal power supply 0 V Internal power supply +24 V DC "Inside SCC-S" means: The connection diagram shows the internal wiring of the sample gas feed unit. The integrated power supply can also be used for the supply of external solenoid valves: Terminal 7 = 0 V, terminal 8 = +24 V, maximum capacity 30 VA at 24 V DC.
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Connecting the Power Supply Make sure the voltage setting shown on the rating plate matches the line voltage. The operating voltage cannot be switched over. Make sure the power supply leads have an adequately dimensioned protective device (breaker). Install a switched outlet or a breaker in the power supply wiring near the sample gas feed unit.
H A P T E R Sample Gas Feed Unit Start-Up Power Supply and Sample Gas Activation WARNING Before activating the power supply check once again that the operating voltage setting (see rating plate) matches the line voltage. The needle valve must never be closed completely. The sample gas must not be switched on until the cooler's lead time has finished.
Sample Gas Pump Control Operation The "Pump" push-button must always be pressed during operation (lights up green). The sample gas pump can be switched off with the "Pump" push-button, e.g. for maintenance work. Alarm (only in the version with Peltier cooler) The sample gas pump is switched off when ...
Peltier Cooler Control Cooler Control State Indication Controller LED K1 Controller LED K2 After start-up > 5 °C Off (pump off & status alarm) Lights up constantly yellow (cooling) (room temp.) 5.5 °C After lead time end Lights up yellow (pump is Lights up constantly yellow (cooling) (approx.
H A P T E R Maintenance WARNING The operations described in this chapter require specialized knowledge, and sometimes involve the necessity of working on the sample gas feed unit with its cover open and live. They must therefore only be carried out by qualified and specially trained persons.
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Replace Condensate Pump Hose Shut down the sample gas feed unit: Stop the sample gas supply and shut off the sample gas feed unit power supply. Remove the old hose: Disconnect the external hoses from the hose connections. Using the handles, press the moving belt 1 together and turn the S-clip 2 as far as its limit stop.
Replacing the Condensate Pump Pressure Rollers and Springs When do the Pressure Rollers and Springs need to be Replaced? The pressure rollers in the condensate pump must be replaced when their surface is damaged. The pressure springs in the condensate pump must be replaced when they are broken.
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Replace Pressure Rollers and Springs Shut down the sample gas feed unit: Stop the sample gas supply and shut off the sample gas feed unit power supply. Remove the hose: Disconnect the external hoses from the hose connections. Using the handles, press the moving belt 1 together and turn the S-clip 2 as far as its limit stop.
Replacing the Diaphragm and Valve Plates in the Diaphragm Pump When do the Diaphragm and Valve Plates need to be Replaced? The diaphragm and valve plates in the diaphragm pump must be replaced when the diaphragm pump no longer feeds gas efficiently enough. WARNING Residues from the gas that the pump has been feeding may be found on the diaphragm and valve plates.
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Replace the Diaphragm and Valve Plates in the Diaphragm Pump Shut down the sample gas feed unit: Stop the sample gas supply and shut off the sample gas feed unit power supply. Dismount the diaphragm pump: Remove the case cover of the sample gas feed unit. Disconnect the pump's power supply leads, remove the hoses from pump's connections and dismount the pump from the case of the sample gas feed unit.
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Replace the valve plates: 15 Separate head cap 1 from the spacer plate 3. 16 Remove the valve plates 7 and the sealing rings 8 from the spacer plate. 17 Check that the valve seats, spacer plate and head cap are clean; if any of them display unevenness, scratches or corrosion they should be replaced.
Checking Gas Path Seal Integrity When must the gas feed path be checked for leaks? The gas paths should be checked for leaks regularly. They must be checked after the gas paths inside the feed unit have been opened. NOTE The feed unit must be checked from both sample gas connections because of the valves in the built-in diaphragm pump.
Troubleshooting Problem Cause Corrective Action Sample gas feed unit Power supply interrupted Reconnect the power supply. not working Fuse blown Replace fuses. Pump motor blocked Remove blockage. Defective pump Replace pump. Defective diaphragm Replace diaphragm (see section"Replacing the Diaphragm and Valve Plates in the Diaphragm Pump", page 24).
H A P T E R Shutting Down and Packing Shutting Down the Sample Gas Feed Unit WARNING Before the sample gas feed unit is shut down it must be purged to prevent the accumulation of condensate and deposits. NOTE Make sure the sample gas feed unit is free of residual moisture that can freeze if low temperatures are encountered during storage and transport.
Packing the Sample Gas Feed Unit Pack the Sample Gas Feed Unit If the original packing material is no longer available, wrap the device in bubble foil or corrugated cardboard. When shipping overseas, also heat-seal the device air-tight in 0.2 mm thick polyethylene, including a desiccant (e.g. silica gel).
H A P T E R Annex Pneumatic Diagrams Legend Sample gas inlet Test gas inlet Gas outlet Bypass outlet Sample gas inlet for external infeed Test gas inlet for external infeed Condensate inlet from the external cooler Condensate outlet Not supplied: External cooler External multi-way cock...
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Version 1 Catalog number 23236-0-X11000XX0000 Version 2 Catalog number 23236-0-X21000XX0000 Version 3 Catalog number 23236-0-X31000XX0000 15-150 l/h Version 4 Catalog number 23236-0-X22000XX0000 24VDC Version 5 Catalog number 23236-0-X32000XX0000 15-150 l/h 24VDC...
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Version 6 Catalog number 23236-0-X2001XXX0000 Version 7 Catalog number 23236-0-X2101XXX0000 Version 8 Catalog number 23236-0-X2201XXX0000 24VDC...
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Version 9 Catalog number 23236-0-X2301XXX0000 24VDC Version 10 Catalog number 23236-0-X2011XXX0000 24VDC...
Index Annex • 31 Safety Information • 4 Safety Instructions • 5 Sample Gas Feed Unit Installation • Checking Gas Path Seal Integrity • Sample Gas Feed Unit Start-Up • 26, 27 Circuit Diagrams • 35 Sample Gas Inlet Conditions • 8 Connecting the Electrical Leads •...
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ABB has Sales & Customer Support expertise The Company’s policy is one of continuous product in over 100 countries worldwide. improvement and the right is reserved to modify the information contained herein without notice. www.abb.com Printed in the Fed. Rep. of Germany (10.11) ...