Industrial & Commercial Thermal Ignition transformers TZI, TGI Technical Information · GB 8 Edition 06.16 • Electrical ignition of gas burners • Ignition and burner control with a single electrode possible • TZI 7,5-20/33R complies with CSA...
Application TZI 5-15/100, TZI 7-25/20, TZI 7,5-12/100, TZI 7,5-20/33 1 Application Ignition transformers TZI and TGI are designed for high-voltage spark ignition of gas burners and gas- ignited or directly ignited oil burners. The ignition transformers can also be used on burners with single- electrode operation;...
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Application Bogie hearth forging furnace Intermittent shuttle kiln Walking beam furnace in the metallurgical industry in the ceramics industry with overhead firing TZI, TGI · Edition 06.16...
Application 1 .1 Examples of application 1 .1 .1 Double-electrode operation IFD 258 Ignition using ignition electrode Ignition transformer TGI is supplied with voltage via the automatic burner control unit IFD 258. The ignition transformer generates a high voltage. This high voltage creates ignition sparks between the ignition electrode BIO/ and burner ground.
Certification 2 Certification Ignition transformers TZI and TGI are built for applica- tions pursuant to the Machinery Directive 2006/42/EC. TZI 7,5-20/33R Complies with Canadian Standards Association CSA C22.2 No. 13-1962. TZI, TGI · Edition 06.16...
Function 3 Function 3 .1 Connection diagrams Ignition: double-electrode operation gn/ye Ignition: single-electrode operation Burner control unit Single-electrode operation is possible only in conjunc- tion with suitable automatic burner control units. The switchover between ignition and monitoring is per- formed by the automatic burner control unit. gn/ye High-voltage connection ∅...
Project planning information 5 Project planning information 5 .3 Cable selection Use mains cable suitable for the type of operation and 5 .1 Operation complying with local regulations. The ignition transformers are suitable only for applica- Install an equipotential bond (4 mm , compliant with tions for igniting gas burners and gas-ignited or directly local regulations) between burner and ignition trans-...
Project planning information 5 .4 Reduction of EMC, wiring Avoid external electrical interference. Lay cables individually and, if possible, not in a metal conduit. Do not lay UV/ionization cable and ignition cables to- gether and lay them as far apart as possible. Screw the ignition cable securely into the high-voltage connection on the ignition transformer and run to the burner by the shortest possible route, see page 7...
Project planning information 5 . 7 Duty cycle Example Ignition transformer TZI 7-25/20W with a duty cycle of The duty cycle indicates for how long the ignition trans- 20% for an ambient temperature of -20 to +35°C. former can be switched on within 180 s, without it be- ing overloaded.
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