7130 Oil Burner Controls LMO14... LMO24... LMO44
Contents
1. A 0 3 aU P BV1 p gt 4 t4 BV2 5 7 6 L TSA E gt FS DOT VAT 44 sues m 7130d05 1105 12 7130a04e 0908 11 13 Building Technologies Division CC1N7130en Infrastructure amp Cities Sector 22 08 2013 Legend AL Alarm device BV Fuel valve EK1 Lockout reset button EK2 Remote lockout reset button FS Flame signal FSV Flame signal amplifier Contacts of control relay kbr Cable link required only when no oil preheater is used LED 3 color signal lamp M Burner motor OW Release contact of oil preheater OH Oil preheater QRB Photo resistive flame detector QRC Blue flame detector bl blue br brown sw black R Control thermostat or pressurestat SB Safety limit thermostat Si External primary fuse Limit thermostat or pressure switch Z Ignition transformer TSA Ignition safety time tw Waiting time t1 Prepurge time 11 Purge time t3 Preignition time t n Postignition time t4 Interval from flame signal to release of fuel valve 2 BV2 A Start of startup sequence with burners using an oil preheater OH A Start of startup sequence with burners using no oil preheater OH B Time of flame establishment Operating position D Controlled shutdown by control thermostat or pressurestat R E Control signals Required input signals Perm input signals yuC1 Microcontroller 1 2 Microcontroller 22. 12 13 Building Technologies Division CC1N7130en Infrastructure amp Cities Sector 22 08 2013 Dimensions Dimensions in mm LMO 22 5 2 53 9 I T 7130m04 1004 ZA Plug in base AGK11 VA Pi 88 41 6 91 LMO with extension of 1 1 lockout reset button 20 7 44 7130m05 0904 Type reference Length L in mm AGK20 19 19 AGK20 43 43 AGK20 55 55 Distribuitor FLAME POWER SRL 021 3121727 0744 340566 contact arzatoare ro www arzatoare ro 2013 Siemens AG Infrastructure amp Cities Sector Building Technologies Subject to change 13 13 Building Technologies Division CC1N7130en Infrastructure amp Cities Sector 22 08 2013
3. Led vC E INN E gt FS ZILELELELLELELIIIIIBIZZN 4 55 P AL 2 to Ts N RC Only with LMO14 113C2 re ignition Si H 1 bl n t n gt MHA lt lt i z e la 6 N SoS 713001e 0700 41 Es FS 1 TT A 4 7130902 1207 12 Connection diagram and internal diagram LMO24 Control sequence LMO24 RA A B D EK1 lt uct control uC2 3 4 lt SB iw LED LJ OH 5 ee gt 8 ell Y K FSV OW iat t1 a Fay K4 ES M 3 a He 67 4 6 9 1 42 BV1 y un 4 sB _ 4 bd BV21 m 5 R hg QRB 29 uL t n x PUE S Gm z 6 w INN H TSA i ay Te 44 TA QRC 12 Si 1 4S only with LMO24 113C2 re igniti L br niy WI 3 re ignition tn N p z Le fay 7130a04e 0908 E T nS Qe 1 7 gt 6 41 gt FSI COMO COCO 44 SY 7130d03e 1207 12 Connection diagram and internal diagram LMO44 Control sequence LMO44 RA A B 2 4 SB w a gt 8 OW ar 3 ur ES M E
4. Visual diagnostics Operational status indication or diagnostics of the cause of fault 2 Interface diagnostics With the help of the interface OCI400 and PC software ACS400 ACS410 or flue gas analyzers of different makes Visual diagnostics In normal operation the different operating states are indicated in the form of color codes according to the color code table given below During startup status indication takes place according to the following table Color code table for multicolor signal lamp LED Status Color code Color Waiting time tw other waiting states Off Oil preheater on Yellow Ignition phase ignition controlled Flashing yellow Operation flame o k Green Operation flame not o k OOOOQOO000000 Flashing green Extraneous light on burner startup Undervoltage CACAO ACA Yellow red Fault alarm y e HERE Red Error code output refer to Error code AO AO AO AO Flashing red table AO Interface diagnostics Red flicker light Steady on O Off A Red e Yellow O Green 9 13 Building Technologies Division Infrastructure amp Cities Sector CC1N7130en 22 08 2013 Operation display diagnostics cont d Diagnostics of the After lockout the red signal lamp LED remains steady on In that condition the visual cause of fault diagnostics of the
5. 0 years of usage starting from the production date given on the type field This lifetime is based on the endurance tests in the standard EN 230 A summary of the conditions has been published by the European Control Manufacturers Association Afecor 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 H The unit contains electrical and electronic components and must not be disposed of together with domestic waste Local and currently valid legislation must be observed 3 13 Building Technologies Division CC1N7130en Infrastructure amp Cities Sector 22 08 2013 Mechanical design Indication and diagnostics Type summary The housing is made of impact proof heat resistant and flame retarding plastic It is of plug in design and engages audibly in the base Burner controls LMO are designed in black plastic The housing accommodates the microcontroller for the control sequence and the print relays for load control electronic flame signal amplifier lockout reset button with its integrated multicolor signal lamp LED for operational status and fault status messages and the socke
6. Distribuitor FLAME POWER SRL 021 3121727 0744 340566 contact arzatoare ro www arzatoare ro SIEMENS Oil Burner Controls LMO14 LMO24 LMO44 Use features Microcontroller based oil burner controls for the startup supervision and control of forced draft oil burners in intermittent operation Standard versions with an oil throughput up to 30 kg h special versions above 30 kg h The LMO14 LMO24 LMO44 and this Data Sheet are intended for use by OEMs which integrate the burner controls in their products Use General features CC1N7130en 22 08 2013 The LMO are designed for the startup and supervision of 1 or 2 stage forced draft oil burners in intermittent operation Yellow burning flames are supervised with photo resistive detectors QRB blue burning flames with blue flame detectors QRC In terms of housing dimensions electrical connections and flame detectors the LMO are identical with the LOA oil burner controls Oil burners with fans to EN 267 Burner controls for use with atomization oil burners of monoblock design to DIN EN 230 2005 10 LMO44 for use with stationary direct fired air heaters Undervoltage detection Electrical remote reset Bridging contact for oil preheater Monitoring of time for oil preheater Accurate and reproducible control sequence thanks to digital signal handling Controlled intermittent operation after 24 hours of continu
7. cause of fault according to the error code table can be activated by pressing the lockout reset button for more than 3 seconds Pressing the reset button again for at least 3 seconds the interface diagnostics will be activated Interface diagnostics works only if the AGK20 lockout reset button extension is not fitted If by accident interface diagnostics has been activated in which case the slightly red light of the signal lamp flickers it can be deactivated by pressing again the lockout reset button for at least 3 seconds The instant of switching over is indicated by a yellow light pulse The following sequence activates the diagnostics of the cause of fault Lockout position Lockout position Interface diagnostics On PC analyzer Reset are Error code table E Error code table Red blink code of signal Alarm Possible cause lamp LED AL at term 10 2 blinks On No establishment of flame at the end of safety time TSA Faulty or soiled fuel valves Faulty or soiled flame detector Poor adjustment of burner no fuel Faulty ignition equipment 3 blinks On Free 4 blinks On Extraneous light on burner startup 5 blinks On Free 6 blinks On Free 7 blinks On Too many losses of flame during operation limitation of the number of repetitions Faulty or soiled fuel valves Faulty or soiled flame detector Poor adjustment of burner 8 blinks On Time supervisi
8. ctions B7986 For checking the functions of burner controls on the burner With switch for manual startup of the burner With switch for simulating the oil preheater s release contact With 2 pairs of jacks for measuring the flame detector current Test adapter KF8833 For checking the functions of burner controls on the burner With signal lamps for program indication With one pair of jacks for measuring the flame detector current Test adapter KF8840 For checking the functions of burner controls on the burner With signal lamps for program indication With on off switch for simulating the flame signal With holes for checking the control voltages at the tabs of the burner control With one pair of jacks for measuring the flame detector s resistance Extension of lockout reset button Extension 19 mm AGK20 19 Extension 43 mm AGK20 43 Extension 55 mm AGK20 55 5 13 Building Technologies Division CC1N7130en Infrastructure amp Cities Sector 22 08 2013 Technical data General unit data Mains voltage AC 230 V 10 15 AC 120 V 10 15 Mains frequency 50 60 Hz 6 External primary fuse Si 6 3 A slow Power consumption 12 VA Perm mounting orientation Optional Weight Approx 200 g Safety class I burner control with plug in base Degree of protection IP40 to be ensured through mounting Perm cable lengths Detector cab
9. ent in operation operational status Flame signal instable Flame signal stable indication Green LED flashing Green LED steady on QRB 1 45 uA gt 45 1 45 uA gt 45 The values given in the table above only apply under the following conditions Mains voltage depending on execution AC 120 V or AC 230 V Ambient temperature 23 C Measuring circuit QRB QRC for detector current LMO 11 12 7130v01 0700 bl Legend 7130v02 0700 SW p DC microammeter bs with an internal pA DC resistance of Ri max 5 bl Blue sw Black br Brown QRC1 As an alternative to detector current measurement the Interface OC1400 with PC software ACS400 ACS410 can be used In that case the DC microammeter is not required 7 13 Building Technologies Division CC1N7130en Infrastructure amp Cities Sector 22 08 2013 Function Preconditions for startup Undervoltage Time supervision oil preheater Controlled intermittent operation Control sequence in the event of fault Resetting the burner control Ignition program with LMO14 113x2 and LMO24 113x2 Limitation of repetitions 8 13 Burner control is reset Reset button EK1 or EK2 not used All contacts in the line are closed and there is demand for heat No undervoltage e Flame detector is darkened and there is no extraneous light e Safety shu
10. f the flame signal Use a separate cable e Observe the maximum permissible lengths of the detector cables refer to Technical data 2 13 Building Technologies Division CC1N7130en Infrastructure amp Cities Sector 22 08 2013 Commissioning notes e When commissioning the plant or when doing maintenance work make the following safety checks Safety check Anticipated response a Burner startup with flame detector Lockout at the end of safety time darkened TSA b Burner startup with flame detector Lockout after no more than 40 exposed to extraneous light seconds Burner operation with simulated loss of Repetition followed by lockout at flame for that purpose darken the flame the end of safety time TSA detector during operation and maintain that state Standards and certificates Conformity to EEC directives Electromagnetic compatibility EMC immunity 2004 108 EC Low voltage directive 2006 95 EC Service notes CE ISO 9001 2008 ISO 14001 2004 Cert 00739 Cert 38233 Type Identification code to EN 230 LMO14 FMLLXN LMO24 FMLLXN LMO44 FMLLXN to WLE Life cycle e Use the KF8885 KF8833 KF8840 service adapters for short periods of time only Disposal notes Burner controls has a designed lifetime of 250 000 burner startup cycles which under normal operating conditions in heating mode correspond to approx 1
11. gnition time Postignition time t4 Interval from flame signal to release of fuel valve 2 BV2 1 Bridging contact for oil preheater 2 No actuator SA function 3 In case of replacement ignition transformer must be rewired from terminal 7 LOA to terminal 6 LMO 4 LMO can replace LOA but the instructions given in the Data Sheet other technical documentation and the specification must be followed 4 13 Building Technologies Division Infrastructure amp Cities Sector CC1N7130en 22 08 2013 Ordering Oil burner control without plug in base refer to Type summary Connection accessories for small burner controls refer to Data Sheet N7201 Plug in base AGK11 Cable holders AGK65 AGK66 Flame detectors Photo resistive detectors QRB1 refer to Data Sheet N7714 Blue flame detectors QRC1 refer to Data Sheet N7716 Interface OCI400 refer to Data Sheet N7614 Interface between burner control and PC Facilitates viewing and recording setting parameters on site in connection with the 5400 ACS410 PC software PC software ACS400 refer to User Documentation J7350 PC software for visualizing the burner controls PC software ACS410 refer to User Documentation J7352 PC software for setting the parameters and for visualizing the burner controls Demo case KF8891 refer to User Manual B7989 For demonstrating the functions of burner controls Test adapter KF8885 refer to Operating Instru
12. le laid separately Remote reset laid separately Max 3 m at a line capacitance of 100 pF m 10m 20m Perm current at gt 0 6 LMO14 LMO24 LMO44 Terminal 1 Max 5A 5 5 Terminals 3 and 8 Max 3A Max 3A Max 3A Terminals 4 and 5 Max 1A Max 1A Max 1A Terminal 6 Max 1A Max 2 2 Terminal 10 1 A Max 1 A Max 1A Environmental Storage DIN EN 60721 3 1 conditions Climatic conditions Class 1K3 Mechanical conditions Class 1M2 Temperature range 20 60 C Humidity lt 95 r h Transport DIN EN 60721 3 2 Climatic conditions Class 2K2 Mechanical conditions Class 2M2 Temperature range 20 60 C Humidity lt 95 r h Operation DIN EN 60721 3 3 Climatic conditions Class 3K3 Mechanical conditions Class 3M3 Temperature range LMO14 LMO24 5 60 C LMO44 20 60 C Humidity 95 r h 6 13 Building Technologies Division CC1N7130en Infrastructure amp Cities Sector 22 08 2013 Technical data cont d Flame supervision with Detector current Perm detector Possible detector current or QRC required current with flame with flame without flame typically QRB 1 Min 45 pA Max 5 5 uA 100 uA QRC 1 Min 45 pA Max 5 5 uA 70 uA Green LED for Detector current in operation Detector curr
13. n 10 minutes When lockout occurs the burner control can immediately be reset To do this press the lockout reset button for about 1 second 3 seconds The LMO can only be reset when all contacts in the line are closed and when there is no undervoltage If the flame is lost during safety time TSA the burner will be reignited but only until the end of safety time TSA This means that several ignition attempts can be made during safety time TSA see Control sequence If the flame is lost during operation a maximum of 3 repetitions can be made If the flame is lost for the fourth time during operation the burner will initiate lockout The repetition count is restarted each time controlled switching on by control thermostat or pressurestat R takes place Building Technologies Division Infrastructure amp Cities Sector CC1N7130en 22 08 2013 Operation display diagnostics Operation Operational status indication Legend 7130z05 0700 Lockout reset button EK is the key operating element for resetting the burner control and for activating deactivating the diagnostic functions 8 Red The multicolor signal lamp LED the lockout reset button is the key E Yellow indicating element for both visual diagnostics and interface diagnostics 2 Green LED Both EK and LED are located under the transparent cover of the lockout reset button There are 2 diagnostic choices 1
14. on oil preheater 9 blinks On Free 10 blinks Off Wiring fault or internal fault output contacts other faults During the time the cause of fault is diagnosed the control outputs are deactivated burner remains shut down The diagnostics of the cause of fault is quit and the burner switched on again by resetting the burner control Press the lockout reset button for about 1 second 3 seconds 10 13 Building Technologies Division CC1N7130en Infrastructure amp Cities Sector 22 08 2013 Connection diagram and internal diagram LMO14 Control sequence LMO14 RA A B 1 5 ZY uet uC control uC2 p 1 RM E TTY ATI e LED im OH My gt 8 Yk WK2R 4 Y FSV x 4 zii OW alee gt 5 oT ay N fa a NM M 0X2 10 mE 6 1 4045 9 11 SB BV1 ey j 4 8 3 t n _ S OE m Cay R N QRB Ge z S 2 OW FHEK2 t3 TSA
15. ous operation Limitation of the number of repetitions Multicolor indication of fault status and operational status messages Building Technologies Division Infrastructure amp Cities Sector Warning notes To avoid injury to persons damage to property or the environment the following A warning notes must be observed Do not open interfere with or modify the unit e All activities mounting installation and service work etc must be performed by qualified staff e 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 it is indeed dead If not observed there is a risk of electric shock hazard e Ensure protection against electric shock hazard by providing adequate protection for the burner control s connection terminals If this is not observed there is a risk of electric shock e Each time work has been carried out mounting installation service work etc check to ensure that wiring is in an orderly state and make the safety checks as described in Commissioning notes If not observed there is a risk of impairment of safety functions and of electric shock hazard e Press the lockout reset button operation button or the AGK20 lockout reset button extension only manually applying a force of no more than 10 N without using any tools or pointed objects If not obser
16. t for connecting the OCI400 interface or the AGK20 lockout reset button extension Multicolor indication of operational status and fault status messages Transmission of operational status and fault status messages and detailed service information via additional 400 interface and ACS400 ACS410 PC software Type reference Mains Fuel Burner 1 Remote Times Comparable type of voltage valve capacity reset tw 1 17 TSA t3 4 LOA 4 stages max min max min max min Standard versions LMO14 111C2 AC 230 V 1 lt 30 kg h 2 55 15 165 105 15s 10s LOA24 171B27 LOA26 171B27 LOA36 171A27 2 LMO14 113C2 AC 230 V 1 lt 30 kg h 2 55 15 165 10s 15s 3s LOA24 173A27 2 LMO24 111C2 230 V 2 lt 30 kg h 2 5 15 165 105 15s 105 155 LOA24 171B27 LOA26 171B27 2 LOA36 171A27 2 LMO24 111C1 AC 120 V 2 lt 30 kg h 2 55 15 165 105 15s 10s 155 LOA24 171B17 LMO24 255C2 AC 230 V 2 lt gt 30 kg h 2 55 25 265 5s 25s 5s 155 Version for flash steam generators LMO24 011C2 AC 230 V 2 lt 30 kg h 25s 5 6s 10s 5s 10s 155 LOA24 571C27 Suited for direct fired air heaters LMO44 255C2 AC 230 V 2 lt gt 30kg h 2 55 25 265 55 25s 5s 5s LOA44 252A27 Legend TSA Ignition safety time tw Waiting time t Prepurge time t1 Purge time t3 Prei
17. tdown from the operating position takes place should mains voltage drop below about AC 165 V UN AC 230 V or AC 75 V UN AC 120 V e Restart is initiated when mains voltage exceeds about AC 175 V UN AC 230 V or AC 95 V UN AC 120 V If the oil preheater s release contact does not close within 10 minutes the burner control will initiate lockout After no more than 24 hours of continuous operation the burner control will initiate automatic controlled shutdown followed by a restart If lockout occurs the outputs for the fuel valves the burner motor and the ignition equipment will immediately be deactivated 1 second In the event of lockout the LMO remains locked and the red signal lamp LED will light up The burner control can immediately be reset This state is also maintained in the case of mains failure Cause Response Mains failure Restart Voltage has fallen below the undervoltage Safety shutdown followed by restart threshold Extraneous light during prepurge time t1 5 Lockout at the end of prepurge time t1 S before fuel valve BV1 release Extraneous light during waiting time tw Prevention of startup lockout after 40 seconds at the latest No flame at the end of safety time TSA Lockout at the end of safety time TSA blink code 2 Loss of flame during operation Max 3 repetitions followed by lockout Oil preheater s release contact does not Lockout close withi
18. ved there is a risk of impairment of safety functions and of electric shock hazard e 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 If not observed there is a risk of impairment of safety functions and of electric shock hazard e When replacing LOA26 or LOA36 any ARK21 remote lockout reset module A 1 or similar modules fitted in the burner or boiler must be removed If not observed there is a risk of impairment of safety functions Mounting notes e Ensure that the relevant national safety regulations are complied with Installation notes e Always run the high voltage ignition cables separately while observing the greatest possible distances to the unit and to other cables e Install switches fuses earthing etc in compliance with local regulations e Ensure that the maximum permissible amperages will not be exceeded refer to Technical data e Do not feed external mains voltage to the control outputs of the unit When testing the components controlled by the burner control fuel valves etc the LMO may never be plugged in e Do not mix up live and neutral conductors Electrical connection of the flame detectors It is important to achieve practically disturbance and loss free signal transmission e Never run the detector cable together with other cables Line capacitance reduces the magnitude o
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