Siemens LAE10 Quick Start Manual Download Page 8

 

 

 

44 

ซ.บรมราชชนนี 

70 

ถ.บรมราชชนนี ศาลาธรรมสพน์ ทวีวัฒนา กทม. 

10170. 

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Technical data 

(cont´d) 

 

 

Environmental 

Storage 

DIN EN 60721-3-1 

conditions 

Climatic conditions 

Class 1K3 

 

 

Mechanical conditions 

Class 1M2 

 

 

Temperature range 

-20...+60 °C 

 

 

Humidity 

<95 % r.h. 

 

 

Transport 

DIN EN 60721-3-2 

 

 

Climatic conditions 

Class 2K2 

 

 

Mechanical conditions 

Class 2M2 

 

 

Temperature range 

-20...+60 °C 

 

 

Humidity 

<95 % r.h. 

 

 

Operation 

DIN EN 60721-3-3 

 

 

Climatic conditions 

Class 3K5 

 

 

Mechanical conditions 

Class 3M2 

 

 

Temperature range 

-20...+60 °C 

 

 

Humidity 

<95 % r.h. 

 

 

Installation altitude 

Max. 2,000 m above sea level 

 
 

Caution! 

  

Condensation, formation of ice and ingress of water are not permitted! 

 

If this is not observed, there is a risk of loss of safety functions and a risk 

of electric shock. 

 

Measuring circuits 

 

Ionization probe 

 

   

QRA 

        

 

     

RAR9 

   

 

 

 

 

            

 

     

          

 

   

 

             

 

 

 

 

         

LFE10 

 

 

 

 

   

LFE10 

 

 

 

 

           

LAE10 

 

ION 

M

- + 

810 

 

 

+   910 

 

 

 

 

M

-+

10 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   

 

 

 

 

 

 

 

 

 

 

 

 

   

   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QRA... + 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7781a07/0908 

 

 

 

 

           

 

 

 

 

 

     

 

 

 

 

 

 

       

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Legend 

 

Illumination of flame 

 

     

          

 

       

             

 

 

Electrolytic capacitor 100 µF, DC 10 V 

        

 

 

     

             

 

ION 

 

Ionization probe 

 

     

          

 

 

     

             

 

Microammeter 

QRA...   Flame detector 

 

 

Caution! 

  

Ignition may affect the ionization current! 

 

Remedy: Exchange the connections on the primary side of the 

ignition transformer. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

8/15 

 

 

Building Technologies Division 

 

CC1N7781en 

 

01.08.2016 

Summary of Contents for LAE10

Page 1: ...eet N7761 The LAE10 LFE10 and this Data Sheet are intended for use by OEMs which integrate the flame safeguards in their products Use Flame safeguards for oil burners and oil units with or without a fan in accordance with DIN EN 60730 2 5 2005 and DIN EN 230 2005 Flame safeguards for gas burners and gas fired appliances with or without a fan in accordance with DIN EN 60730 2 5 2005 and DIN EN 298 ...

Page 2: ...tric shock For safety reasons self test of flame supervision circuit etc at least one controlled shutdown is required every 24 hours If this is not observed there is a risk of loss of safety functions Before making any wiring changes in the connection area completely isolate the plant from mains supply all polar disconnection Ensure that the plant cannot be inadvertently switched on again and that...

Page 3: ... the unit and to other cables Do not mix up live and neutral conductors Electrical connection of the detectors It is important to achieve practically disturbance and loss free signal transmission Never run the detector cable together with other cables Line capacitance reduces the magnitude of the flame signal Use a separate cable Ionization probe does not provide protection against electrical shoc...

Page 4: ...rical burner 2 5 control systems The relevant valid edition of the standards can be found in the declaration of conformity EAC Conformity mark Eurasian Conformity mark ISO 9001 2008 ISO 14001 2004 OHSAS 18001 2007 China RoHS Hazardous substances table http www siemens com download A6V10883536 With LEC1 LAE10 LFE10 Life cycle Flame safeguards has a designed lifetime of 250 000 burner startup cycles...

Page 5: ...asing the sensitivity of the amplifier during the burner off and the purging times of the LEC1 control unit control Automatic testing of the flame detector by increasing the operating voltage of the UV tube during the burner off and the purging times of the LEC1 control unit Flame detector Data Sheet QRA2 QRA10 N7712 QRA4 N7711 RAR9 N7713 Ionization probe Flame supervision by making use of the ele...

Page 6: ...le screw terminals 5 cable entries High plug in base refer to Dimensions AGK410490250 Article no BPZ AGK410490250 10 pole screw terminals With removable front 6 cable entries 4 of which with Pg11 thread 6 15 Building Technologies Division CC1N7781en 01 08 2016 UV flame detector QRA2 Refer to Data Sheet N7712 UV flame detector QRA10 Refer to Data Sheet N7712 UV flame detector QRA4 Refer to Data She...

Page 7: ...or stranded wire with ferrule when connecting 2 solid wires or stranded wires per terminal same cross sectional areas must be used Weight LAE10 LFE10 Without plug in base Approx 305 g Approx 395 g With normal plug in base Approx 380 g Approx 470 g With high plug in base Approx 415 g Approx 505 g LAE10 LFE10 Flame supervision with RAR9 Ionization probe QRA Required detector current At AC 100 V AC 2...

Page 8: ...chanical conditions Class 3M2 Temperature range 20 60 C Humidity 95 r h Installation altitude Max 2 000 m above sea level Caution Condensation formation of ice and ingress of water are not permitted If this is not observed there is a risk of loss of safety functions and a risk of electric shock Measuring circuits Ionization probe QRA RAR9 A LFE10 A LFE10 LAE10 ION M 810 910 M 9 10 M C QRA 7781a07 ...

Page 9: ...me safeguard and the flame detector test with the LFE10 The test is controlled via the connecting line between terminal 15 of the burner control and terminal 6 of the respective flame safeguard Both tests start about 7 seconds after a controlled shutdown are continued during burner off times Are continued during the ensuing prepurge time end 3 seconds before start of the safety time Following flam...

Page 10: ...sed by 2 independently operating flame safeguards aimed at reducing the possibility of loss of flame during operation in case of a simultaneous failure of both flame safeguards to an improbable coincidence With dual supervision the control contacts of the flame relays of both flame safeguards are connected in series so that loss of the flame signal of either of the flame safeguards is sufficient t...

Page 11: ...ained in its energized condition via circuit path 3 7 of the 2 flame relays When releasing button I ignition will be switched off thus completing the startup sequence If the event of loss of flame on 1 of the burners the respective flame relay is deenergized thereby neutralizing the holding circuit for relay d This means that the fuel valves of both burners will immediately be shut The burners are...

Page 12: ...flame is lost during operation Correctly operating burners can be restarted only after the burner control has been reset when the faulty burner has been shut down In that case the operating switch must not only bridge the control contacts of the respective flame safeguards thus closing the control chain again but must also break the phase wire connection to the ignition transformer and the fuel va...

Page 13: ... LFE10 with ionization supervision P R H 7 5 1 6 FR HR3 8 ION hr3 9 10 L1 3 4 2 N Mp 7781a06 0903 13 14 LEC1 LAE10 with silicon photocell detector RAR9 P R H 15 LEC1 7 5 1 6 FR HR3 8 RAR9 hr3 9 3 L1 10 4 2 7781a04 0908 N Mp 13 14 LEC1 Legend FR Flame relay H Main switch HR3 Auxiliary relay for UV detector or flame simulation test ION Ionization probe for ionization supervision L1 Built in signal l...

Page 14: ...g in base Design features AGK 4 104 1345 0 10 pole screw terminals with additional earth terminals Cable entry either through the bottom of the base 2 knockout holes the front from the right or left side total of 5 cable entries 13 1 2 3 4 5 6 7 8 9 10 4 6 31 1 2 3 4 5 6 7 8 9 10 4 13 16 31 22 22 16 2 25 25 30 30 42 5 42 5 90 4 7781m02 1198 14 15 Building Technologies Division CC1N7781en 01 08 201...

Page 15: ...le screw terminals and 2 auxiliary terminals with markings 11 and 12 2 neutral terminals wired to terminal 2 neutral input 2 earth terminals with earthing lug for the burner For cable entry 2 cable entries in the bottom of the base 4 threaded knockout holes for cable glands Pg11 1 on the right 1 on the left and in the removable front 1 2 3 4 5 6 7 8 9 10 4 5 31 5 4 N 11 12 13 16 23 5 34 16 10 5 22...

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