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Siemens LGB21.130A17, Техническое описание

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Siemens LGB21.130A17 Скачать руководство пользователя страница 18

18/22 

Building Technologies 

 

CC1N7435en 

HVAC Products 

 

11.01.2007 

Connection diagrams (cont’d) 

LGB41... 

 

Burner controls for atmospheric gas burners with or without fan. No actuator control. Flame supervision with ionization probe 

 

GP/SB

R/W

Z

BV1

ZV1

BV2

FS

A

B B´

C

D

12

7

4

11

5

1

7435f03/0301

tw

t3

TSA

t4

t9

 

 

12

2

10

8

3

6

11

7

9

4

5

1

GP/
SB

W

R

HS

0

L

N

AL

EK2

M

Dbr2

bv1
zv1

ZV1

Z

Dbr1

BV1

BV2

ION

7435a11/0704

bv2

Si

 

 

ION

HR

BV1

BV2

74

35

s

0

1

/05

04

 

ION2

ION1

ZR

HR

BV2

ZV1

74

35

s

0

2

/05

04

 

 

 

 

 

 

 

 

 

 

 

QRA... with auxiliary unit AGQ1... with LGB4... (Pictures 

7435a21) 

 

12

2

3

1

7435a21/0704

GP/SB
R/W

L
L
N

QRA

+

-

br

bl rt

sw

AGQ1 sw

bl

 

 

 
 

A 

Startup (switching on by «R») 

AL 

Alarm 

B – B´ 

Interval for establishment of flame 

BV... 

Fuel valve 

C 

Operation position of burner or release of the second stage 

bv... 

Auxiliary switch in the fuel valves (for control the closed position) 

 

by load controller «LR» 

Dbr1 

Wire link 

D 

Shutdown by «R» 

Dbr2 

Wire link, required when contacts «bv» or «zv1» is missing 

 

 

EK2 

Remote reset button 

tw 

Waiting time 

ION 

Ionization probe 

TSA 

Ignition safety time 

FS 

Flame signal 

t3 

Preignition time 

GP 

Gas pressure switch 

t4 

Interval «BV1 – BV2» 

HR 

Main ramp 

t9 

2. safety time 

HS 

Main switch 

 

 

M 

(Auxiliary) fan motor 

  

QRA... 

UV 

flame 

detector 

 

 

QRC... 

Blue flame detector 

  

bl 

Blue 

wire 

  

br 

Brown 

wire 

  Required input signals 

rt 

Red wire 

  Burner control’s output signals 

sw 

Black wire 

 

 

R 

Control thermostat or pressurestat 

 

 

SB 

Safety limit thermostat 

  

Si 

Primary 

fuse 

  

W 

Limit 

thermostat 

•

 

Connection of valves with pilot burners with main flame 

Z 

Ignition transformer 

 supervision 

ZR 

Ignition 

ramp 

••

 

Connection of valves with 2-stage atmospheric burners 

ZV1 

Ignition gas valve 

 

with supervision of the first stage («BV1») 

zv1 

Auxiliary switch in ignition gas valve 

Legend 

Содержание LGB21.130A17

Страница 1: ...ntermittent operation Depending on the type of burner control used the flame is supervised either by an ionization probe a blue flame detector QRC1 for forced draft gas oil burners or a UV detector QRA with auxiliary unit AGQ1 A27 In connection with the respective adapters the LGB burner controls replace their predecessor types LFI7 and LFM1 also refer to Replacement types under Or dering Automati...

Страница 2: ...ational safety regulations are complied with Installation notes Always run the ignition cables separate from the unit and other cables while ob serving the greatest possible distance Do not mix up live and neutral conductors Install switches fuses earthing etc in compliance with local regulations Ensure that the maximum permissible current ratings will not be exceeded refer to Technical data Do no...

Страница 3: ...sulation of the probe s cable but also of the ionization probe itself ceramic holder Earth the burner in compliance with the relevant regulations earthing the boiler alone does not suffice The connection diagrams show the burner controls with earthed neutral conductor In networks with nonearthed neutral conductor and ionization current supervision terminal 2 must be connected to the earth conducto...

Страница 4: ... stage operation LGB21 130A17 x x LGB21 130A27 x x x x LGB21 230A27 x x x LGB21 330A27 x x x LGB21 350A17 x x LGB21 350A27 x x x x LGB21 550A27 x x x x LGB22 130A27 x x x x LGB22 230B27 x x x LGB22 330A17 x x LGB22 330A27 x x x x LGB22 330A270 x x x LGB32 130A27 x x x x LGB32 230A17 x x LGB32 230A27 x x x LGB32 330A17 x x x LGB32 330A27 x x x LGB32 350A17 x x x LGB32 350A27 x x x x LGB41 255A27 x ...

Страница 5: ...controls for 2 stage burners with control of actuator Ionization probe ION LGB22 130A27 4 CH EU N S 9 7 3 2 4 3 8 4 12 12 21 or UV detector QRA LGB22 230B27 5 CH EU N S SF 9 20 3 2 4 3 8 4 16 5 16 5 2 with AGQ1 A27 LGB22 330A27 5 7 AUS CH EU H N S SF 9 30 3 2 4 3 8 4 12 11 2 LGB22 330A270 5 8 EU 9 30 3 2 4 3 8 4 12 11 2 Blue flame detector LGB32 130A27 4 1 CH EU 9 7 3 2 4 3 8 4 12 12 21 QRC1 LGB32...

Страница 6: ...sion of ionization currents in networks with nonearthed neutral conductor PTC resistor AC 230 V AGK25 To burden terminal 3 mandatory when using burners with no fan motor connected to terminal 3 Auxiliary unit for UV supervision Cable length 500 mm AGQ1 1A27 Cable length 300 mm AGQ1 2A27 Can be fitted under the plug in base refer to Dimensions Pedestal empty housing AGK21 For increasing the height ...

Страница 7: ...rately max 3 m at 100 pF m line capacitance 20 m Power consumption 3 VA Primary fuse max 10 A slow Degree of protection IP 40 when built in with the exception of the connection area terminal base Mounting position optional Weight approx 230 g Storage DIN EN 60 721 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...

Страница 8: ...obe and ground cannot simulate a flame signal since in that case AC current would flow Basically the flame supervision circuit is insensitive to adverse effects of the ignition spark However should the disturbing effects of the ignition spark on the ionization current exceed a certain level the electrical connections on the primary side of the ignition transformer must be changed and or the locati...

Страница 9: ...220 V 15 AC 240 V 10 Mains frequency 50 60 Hz 6 Power consumption 4 5 VA Degree of protection IP 40 Perm ambient temperature In operation During transport and storage 20 60 C 40 70 C Perm length of cable from QRA to AGQ1 A27 use separate cable max 20 m Mounting position optional Perm length of connecting cable from AGQ1 A27 to LGB max 20 m Weight of AGQ1 A27 approx 140 g At mains voltage UN AC 220...

Страница 10: ...aging UV detec tors and to detect UV light 1 A Operation with a permanent line UV test at a higher supply voltage across the UV cell on startup and after con trolled shutdown 2 B Operation with a controlled line UV test at a higher supply voltage only on startup that is during the interval between controlled startup and air pressure signal No voltage at the UV cell after controlled shutdown No ful...

Страница 11: ...witching on This command is triggered by control thermostat pressurestat R Terminal 12 receives voltage and the programming mechanism starts running On completion of waiting time tw with the LGB21 or after air damper SA has reached the nominal load position on completion of t11 with the LGB22 LGB32 fan motor M will be started TSA Ignition safety time On completion of TSA a flame signal must be pre...

Страница 12: ...th main flame supervision equipped with a pilot gas valve ZV1 t10 Specified time for air pressure signal On completion of this period of time the set air pressure must have built up or else lockout will occur t11 Programmed opening time for actuator SA Only with LGB22 LGB32 The air damper opens until the nominal load position is reached Only then will fan motor M be switched on t12 Programmed clos...

Страница 13: ...henever lockout occurs the burner control can immediately be reset Lockout and control sequence indication The position of the programming mechanism can be seen through the viewing window on the front of the unit In the event of fault the programming mechanism stops and thus the lockout indicator also The symbol in the viewing window indicates both the position in the control sequence and the type...

Страница 14: ...tion about actuators SA SQN3 Refer to Data Sheet N7808 SQN7 Refer to Data Sheet N7804 SQN9 Refer to Data Sheet N7806 12 2 10 8 3 6 11 7 9 4 5 1 GP SB W R HS 0 I L N AL EK2 M LP bv1 bv2 Dbr1 Z BV2 ION 7435a09 0704 BV1 Si LGB2 LR SA BV1 RV II KL Zu III LKP NL t1 IV III IV I t IV 12 2 10 8 3 6 11 9 7 4 5 1 HS 0 I N L AL EK2 M LP GP R W Z BV1 LR ION BV2 N 1 2 6 7 5 4 3 b1 b2 B a b III a3 a b II MS I a...

Страница 15: ... I KL Zu NL LKP t I III III IV IV II TSA t4 t1 9 Si SB SQN7 244 2 stage control QRA with auxiliary unit AGQ1 with LGB21 diagram 7435a06 12 2 11 1 7435a06 0704 GP SB R W L L N QRA br bl rt sw AGQ1 sw bl Burner without fan and without LP 2 3 11 6 AGK25 7435a04 0398 Burner with fan control via auxiliary contactor HS with LP 12 2 3 11 6 GP SB R W L N M HS AGK25 LP 7435a16 1299 Legend bl Blue wire br B...

Страница 16: ...SQN3 Refer to Data Sheet N7808 SQN7 Refer to Data Sheet N7804 SQN9 Refer to Data Sheet N7806 LR SA LGB22 32 BV1 2 KL Zu III LKP NL t1 III t I II 12 2 10 8 3 6 11 9 5 7 4 GP SB W R HS 0 I L N AL EK2 M LP LR Z BV1 7435a10 0704 7 2 10 6 8 3 1 SA Si ION 1 LGB22 LGB32 1 sw QRC1 12 br bl 2 Nur LGB32 Nur LGB22 12 2 10 8 3 6 11 9 7 4 5 1 HS 0 I N L EK2 M LP GP R W Z BV1 LR ION AL LGB22 N 1 8 2 7 5 6 3 4 9...

Страница 17: ...B32 2 3 11 6 AGK25 7435a04 0398 QRA with auxiliary unit AGQ1 with LGB22 diagram 7435a06 12 2 11 1 7435a06 0704 GP SB R W L L N QRA br bl rt sw AGQ1 sw bl Burner with fan control via auxiliary contactor HS with LP LGB22 LGB32 12 2 3 11 6 GP SB R W L N M HS AGK25 LP 7435a16 1299 Legend bl Blue wire br Brown wire rt Red wire sw Black wire TSA Ignition safety time t1 Prepurge time t4 Interval BV1 BV2 ...

Страница 18: ...tage bv Auxiliary switch in the fuel valves for control the closed position by load controller LR Dbr1 Wire link D Shutdown by R Dbr2 Wire link required when contacts bv or zv1 is missing EK2 Remote reset button tw Waiting time ION Ionization probe TSA Ignition safety time FS Flame signal t3 Preignition time GP Gas pressure switch t4 Interval BV1 BV2 HR Main ramp t9 2 safety time HS Main switch M ...

Страница 19: ...7435i01 0504 ION Dbr1 Z BV2 BV1 EK2 AL EK1 2 10 8 4 5 7 9 1 11 6 3 1 12 br a b AS I a b ar a b a b IV FR AR fr a b II a b a b VIII V VI IX VII BR a b a b b a MS L1 a A Start position switching on B Operating position of burner C Operating position of programming mechanism or start position I IX Cam switches tw Waiting time TSA Ignition safety time T Total running time of programming mechanism t1 P...

Страница 20: ...b FR AR III a b IV a b fr a b II a b VIII a b V a b VI a b IX a b VII a b L1 BR MS ION 1 Nur LGB22 1 sw QRC1 12 br bl 2 Nur LGB32 Z Ignition transformer A Start position switching on B Operating position of burner C Operating position of programming mechanism or start position I IX Cam switches tw Waiting time TSA Ignition safety time T Total running time of programming mechanism t1 Prepurge time ...

Страница 21: ...BV1 in the case of pilot burners with main flame supervision tw Waiting time TSA Ignition safety time T Total running time of programming mechanism t3 Preignition time t4 Interval BV1 BV2 t9 Second safety time t20 Interval up to self shutdown of the programming mechanism A Start position switching on B Operating position of burner C Operating position of programming mechanism or start position I I...

Страница 22: ... 5 62 5 88 91 41 5 47 62 5 7435m06 1106 22 9 90 5 60 220 69 6 A B 6 5 4 5 4 13 18 4 65 6 27 5 7435m01 0301 LGB Auxiliary unit AGQ1 A27 Type Dimension reference A B AGQ1 1A27 500 19 AGQ1 2A27 300 34 2007 Siemens Building Technologies HVAC Products GmbH Subject to change Plug in base AGK11 AGK13 ...

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