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CC1N7454en
20.11.2017

Building Technologies Division

454

Gas Burner Control

LFL1.148

Gas burner control



for atmospheric gas burners in intermittent operation



flame supervision with ionization probe

The LFL1.148 and this Data Sheet are intended for use by OEMs which integrate
the burner controls in their products!

Use



For the supervision of 1- or 2-stage atmospheric gas burners



For use with medium- to high-capacity burners



For intermittent operation (at least 1 controlled shutdown in 24 hours)



The gas burner has a connection facility for an auxiliary fan or flue gas fan (e.g. for
condensing boilers)

Flame supervision is ensured by means of an ionization probe, 1 electrode is used for the
first stage and 1 for the second stage. Changeover takes place automatically after
release of the second fuel valve.

Содержание LFL1.133-110V

Страница 1: ...their products Use For the supervision of 1 or 2 stage atmospheric gas burners For use with medium to high capacity burners For intermittent operation at least 1 controlled shutdown in 24 hours The gas burner has a connection facility for an auxiliary fan or flue gas fan e g for condensing boilers Flame supervision is ensured by means of an ionization probe 1 electrode is used for the first stage ...

Страница 2: ...pply a force of more than 10 N without using any tools or pointed objects Do not press the lockout reset button on the unit or the remote lockout reset button for more than 10 seconds since this would damage the lockout relay inside the unit Fall or shock can adversely affect the safety functions Such units must not be put into operation even if they do not exhibit any damage Mounting notes Ensure...

Страница 3: ...ed by the adherence to the following standards regulations Automatic burner control systems for burners and appliances burning gaseous or liquid fuels DIN EN 298 Safety and control devices for gas burners and gas burning appliances DIN EN 13611 Automatic electrical controls for household and similar use Part 2 5 Particular requirements for automatic electrical burner control systems DIN EN 60730 2...

Страница 4: ... www afecor org The designed lifetime is based on use of the burner controls according to the manufacturer s Data Sheet After reaching the designed lifetime in terms of the number of burner startup cycles or the respective time of usage the burner control is to be replaced by authorized personnel The designed lifetime is not the warranty time specified in the Terms of Delivery Disposal notes The u...

Страница 5: ... LFL1 148 Article no BPZ LFL1 148 Plug in base not included in the delivery must be ordered as a separate item Accessories to be ordered separately Flame detector Ionization probe To be supplied by thirds Connection accessories for medium capacity burner controls Plug in base AGM410490550 with Pg11 threads for cable entry glands Article no BPZ AGM410490550 Refer to Data Sheet N7230 Plug in base AG...

Страница 6: ...y Storage DIN EN 60721 3 1 Climatic conditions Class 1K3 Mechanical conditions Class 1M2 Temperature range 20 60 C Humidity 95 r h Transport DIN EN 60 721 3 2 Climatic conditions Class 2K2 Mechanical conditions Class 2M2 Temperature range 40 60 C Humidity 95 r h Operation DIN EN 60 721 3 3 Climatic conditions Class 3K5 Mechanical conditions Class 3M2 Temperature range 20 60 C Humidity 95 r h Insta...

Страница 7: ...cluded in the start control loop between terminals 4 and 5 It must be ensured that the current path between terminals 4 and 5 remains closed until controlled shutdown takes place During controlled shutdown the air damper is driven to the fully closed position via contact Vlb of the switching mechanism Since the switching mechanism of the burner control does not continue to run until changeover of ...

Страница 8: ...Lockout because the flame signal was lost during burner operation Lockout on completion of the control program due to extraneous light or a faulty flame signal For example Flame not extinguished After the reset the burner control s switching mechanism first returns to the start position and then initiates a burner restart Connection diagram 1 2 3 21 4 12 5 14 6 8 7 16 18 19 11 15 22 23 24 H L N AL...

Страница 9: ...3 21 2 16 AL N H EK2 1 9 10 18 19 Z BV1 BV2 1 L N Y1 15 20 11 8 6 B1 M Q LK x y SA a z m M Y2 LR E A M a b b a a b b a a b b a a b fr3 NTC fr2 FR V 1 1 a b XIV IV VII a b ar3 V IX VI a b M SM VIII III II b b a a 7454a01 0204 SB Si Warning Do not press reset bottom EK for more than 10 seconds Control program SB R W M1 Z BV1 BV2 FS1 FS2 A B C D t1 t6 t7 t3 t20 TSA t9 t4 t5 t8 7454d02 0204 1 6 7 16 1...

Страница 10: ...start position L1 Lockout warning lamp LK Air damper Switching times in seconds LP Air pressure switch LR Load controller TSA Ignition safety time 4 s M1 M2 Fan or burner motor t1 Waiting time or prepurge time 14 s NTC NTC resistor t3 Preignition time 2 s R Control thermostat or pressurestat t4 Interval fuel valve BV1 BV2 8 s SA Air damper actuator t5 Interval between release of the 2nd fuel valve...

Страница 11: ...CC1N7454en 20 11 2017 Dimensions Dimensions in mm 1 5 108 5 27 5 27 5 37 7 5 103 7454m04 0305 123 LFL1 148 2017 Siemens AG Building Technologies Division Berliner Ring 23 D 76437 Rastatt Subject to change Plug in base AGM410490550 AGM14 1 ...

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