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7
153
Use
CC1N7153en
20.04.2005
Oil Burner Controls
Oil burner controls
•
With or without air pressure supervision for checked air damper control
•
Flame supervision
– with photoresistive detector QRB1...
– or blue-flame detector QRC1...
– or selenium photocell detector RAR...
The LAL... and this Data Sheet are intended for OEMs which integrate the oil
burner controls in their products!
For the control and supervision of oil atomization burners
-
-
For burners of medium to high capacity
-
For intermittent operation (at least one controlled shutdown every 24 hours)
Can be universally used with multistage or modulating burners
-
Suited for use with stationary air heaters
-
LAL1...
- Yellow- and blue-flame burners without air pressure supervision
LAL2...
- Yellow-flame burners with air pressure supervision
LAL3.25
- For special applications, e.g. burners of incinerator plant
(for details, refer to «Type summary» and «Notes»)
LAL4...
- Yellow- and blue-flame burners with air pressure supervision
For burner controls used in connection with burners for continuous operation, refer to
Data Sheet 7785 (LOK16...).
SIMELEC
Avda. San Ignacio de Loyola, 185
24010 - San Andrés del Rabanedo
LEON - ESPAÑA
Tfno: 987.248.305 - Fax: 987.248.405
E-Mail :
simelec@simelec.es
www.simelec.es
DISTRIBUIDOR OFICIAL
LAL...
Building Technologies
HVAC Products
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Related Manuals for Siemens 7153
Summary of Contents for Siemens 7153
- Page 1 SIMELEC Avda. San Ignacio de Loyola, 185 24010 - San Andrés del Rabanedo LEON - ESPAÑA Tfno: 987.248.305 - Fax: 987.248.405 E-Mail : simelec@simelec.es www.simelec.es DISTRIBUIDOR OFICIAL LAL... Oil Burner Controls Oil burner controls • With or without air pressure supervision for checked air damper control •...
- Page 2 Warning notes To avoid injury to persons, damage to property or the environment, the following warning notes should be observed! Do not open, interfere with or modify the unit! • All activities (mounting, installation and service work, etc.) must be performed by qualified staff •...
- Page 3 Engineering notes • Install switches, fuses, earthing, etc., in compliance with local regulations • Connect valves and other plant components as specified in the burner manufac- turer’s documentation RAR... LAL2 16 17 18 11 10 1(3) QRB1... 7153a03/0204 Connect safety limit thermostats (manual reset) in the line (e.g. «SB») Remote reset When connecting lockout reset button «EK2»...
- Page 4 Standards and certificates Conformity to EEC directives - Electromagnetic compatibility EMC (immunity) 89 / 336 EEC - Low-voltage directive 73 / 23 EEC ISO 9001: 2000 ISO 14001: 1996 Cert. 00739 Cert. 38233 Certified with plug-in base and flame detector: Type LAL1.25 LAL2.14...
- Page 5 Type summary Switching times are given in the order of the startup sequence, valid for 50 Hz mains frequency. At 60 Hz frequency, switching times are about 17 % shorter. Flash steam genera- Universal use Medium- or heavy-oil tors burners Flame supervision with QRB1...
- Page 6 Technical data Mains voltage AC 230 V –15 / +10 % General unit data LAL... - With LAL1... / LAL2... / LAL3... incl. AC 100 V –15 %...AC 110 V +10 % Mains frequency 50...60 Hz ±6 % Unit fuse (built-in) T6.3H250V to DIN EN 60 127 Primary fuse (external) max.
- Page 7 Technical data (cont´d) Flame supervision LAL1... with LAL2... / LAL3... with LAL4... with QRB1... QRC1... QRB1... RAR... QRB1... QRC1... Min. detector current required 95 µA 80 µA 8 µA 6,5 µA 95 µA 80 µA at AC 230 V Max. permissible detector 12 µA 12 µA 0.8 µA...
- Page 8 Function 2-stage expanding flame burner Modulating expanding flame burner t3´ 100% 100% min. min. 0... 0... 7153a09/0498 7153a10/0498 Legend BV... Fuel valve M... Fan or burner motor Flame signal amplifier Control thermostat or pressurestat Air damper Modulating fuel valve Load controller Ignition transformer The following features of the LAL...
- Page 9 Function (cont´d) Flame supervision Flame detector and flame simulation test are made automatically during burner off times and the prepurge time «t1» If loss of flame occurs during operation, the burner control will initiate lockout If automatic repetition of the startup sequence is required, the clearly marked wire link on the plug-in section of the LAL...
- Page 10 Startup sequence (cont´d) Ignition safety time On completion of «TSA», a flame signal must be present at terminal 22. It must be available until controlled shutdown occurs → otherwise, the burner control will initiate lockout and lock itself in the lockout position Postignition time «Z»...
- Page 11 Control sequence under fault conditions and lockout indication Whenever a fault occurs, the sequence switch stops and with it the lockout indicator. The symbol appearing above the reading mark indicates the type of fault: • No start One of the contacts is not closed (also refer to «Preconditions for burner startup») •...
- Page 12 Connection diagrams (for variants, refer to «Connection examples») LAL1... 16 17 11 10 1(3) QRB1... 7153a01/0204 QRC1... LAL2... / LAL3... 16 17 18 11 10 1(3) QRB1... 7153a02/0402 RAR... 12/20 Building Technologies CC1N7153en HVAC Products 20.04.2005...
- Page 13 Connection diagrams (for variants, refer to «Connection examples») LAL4... 16 17 18 11 10 1(3) QRB1... 7153a04/0204 QRC1... 13/20 Building Technologies CC1N7153en HVAC Products 20.04.2005...
- Page 14 Connection diagrams LAL1... QRC1... QRB1... 23 24 XIII VIII 1 (3) 7153a07/0204 LAL2... / LAL3... RAR... 23 24 QRB1... 23 24 XIII VIII 17 19 9 1110 1 (3) 7153a08/0204 Do not press the lockout reset button «EK...» for more than 10 seconds! For the connection of the safety shutoff valve, refer to the plant diagram provided by the burner supplier.
- Page 15 Connection diagrams (cont’d) LAL4... QRC1... QRB1... 23 24 XIII VIII 17 19 9 1110 1 (3) 7153a17/0204 Do not press the lockout reset button «EK...» for more than 10 seconds! For the connection of the safety shutoff valve, refer to the plant diagram provided by the burner supplier.
- Page 16 Sequence diagram Control output at terminal: t3´ VIII t10* XIII 7153d01e/0404 Positions of lockout indication * These data do not apply to LAL1... 16/20 Building Technologies CC1N7153en HVAC Products 20.04.2005...
- Page 17 Legend Changeover end switch for air damper´s OPEN position Remote lockout indicator (alarm) Load relay with «ar...» contacts Unit fuse Wire link Blue Brown Lockout relay with «br...» contacts BV... Fuel valve EK... Lockout reset button Flame relay with «fr...» contacts Mains isolator L...
- Page 18 Connection examples Connection of actuators without «z» adjusted for low-fire air volume. changeover end switch for the «CLOSED» position 7153a11/0498 Control of actuator during operation For signal path, refer to «Connection by control signals fed to terminal 17 diagrams». 7153a12/0498 Control of «BV...»...
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Page 19: Open» And «Close
Connection examples (cont’d) 2-stage expanding flame burner Load control with a 2-position controller. During burner off times, the air damper is closed. L... (t3´/t3n) (t3) 10 8 13 12 7153a05/1195 Control of actuator according to the single-wire control principle. → For actuator «SA» type SQN..., refer to Data Sheet N7808;... - Page 20 Dimensions Dimensions in mm LAL... Plug-in base AGM410490500 / AGM13.1 7153m03/0305 27,5 27,5 © 2005 Siemens Building Technologies Production GmbH Subject to change! 20/20 Building Technologies CC1N7153en HVAC Products 20.04.2005...