LMV51 Burner Control with integrated Fuel / Air …

1 Burner Control with integrated fuel / Air Ratio Control Burner Control with Load Control and Oxygen Trim Control for Forced-draft Burners Basic Documentation The and this Basic Documentation are intended for OEMs which integrate the system in their products! Gilt f r Software-Versionen : : Int. LR: Int. FU-Modul: Siemens Building Technologies : HVAC Products : : CC1P7550en 2/278. Siemens Building Technologies Basisdokumentation CC1P7550en HVAC Products Contents 1 Safety notes .. 14. Warnings .. 14. Mounting notes .. 14. Installation 15. Electrical connection of ionization probe and flame detector .. 15. Commissioning notes .. 15. Setting and parameter setting 16.

2 Norms and standards .. 17. Service 17. Disposal notes .. 17. 1 General .. 18. Brief 18. Basic diagram .. 18. Product range 20. ACS450 .. 20.. 20.. 20.. 20.. 20.. 20.. 20.. 20.. 20.. 20.. 20.. 20.. 20.. 20. KF8893 .. 20.. 20.. 20.. 20.. 20.. 21.. 21.. 21.. 21. Type summary .. 22.. 22.. 22.. 22.. 22.. 22.. 22.. 22. 3/278. Siemens Building Technologies Basic Documentation CC1P7550en HVAC Products Block diagram inputs / Block diagram (cont d)..24. Block diagram (cont d)..25. 1 fuel train applications (examples) ..26. Direct gas Gas pilot ignition Gas pilot ignition fuel valve Control fuel train applications (cont d) ..27. Direct ignition with light oil, multistage.

3 27. Direct ignition with light oil, modulating ..28. fuel valve Control Direct ignition with heavy oil, multistage ..29. Direct ignition with ..29. heavy oil, modulating ..29. fuel valve Control Dual- fuel Burner gas / light oil with gas pilot ignition ..31. fuel valve Control Dual- fuel Burner gas / heavy oil with gas pilot ignition ..32. fuel valve Control 1 Burner Control ..33. Description of inputs and Flame signal input and flame detector X10 01 and X10 03 ..33. Self-test function / ..33. Technical data flame supervision ..33. QRI (suited for continuous operation) ..33. Connection diagram ..33. IONIZATION (suited for continuous operation).

4 34. (for intermittent operation only) ..34. Digital inputs ..35. SAFETY LOOP X3 04 ..35. FLANGE X3 03 ..35. Inputs for external controller (ON/OFF) X5 03 ..35. 2 inputs (ON / OFF or STAGE2 / STAGE3) ..35. X5 03 ..35. Air pressure switch (APS) X3 02 ..36. Pressure switch-VP-gas / LT or closed position indicator (CPI) X9 03 36. Pressure switch-min-gas, start release gas (PSmin-gas) X9 03 ..36. Start release gas X7 03 (only ) ..36. Pressure switch-max-gas, (PSmax-gas) X9 03 ..37. Pressure switch-min-oil (PSmin-oil) X5 01 ..37. Pressure switch-max-Oil (PSmax-Oil) X5 02 ..37. Start release-oil (START) X6 01 ..37. Direct heavy oil start (HO-START) X6 01.

5 38. Fan contactor contact (FCC) or FGR-PS X4 01 ..38. Digital outputs ..39. Alarm output, type No-SI X3 01 ..39. Output fan, type No-SI X3 01 ..39. Output ignition, type SI (IGNITION) X4 02 ..39. Outputs valves-oil , type SI ( ) X8 02, X8 03, X7-01, 4/278. Siemens Building Technologies Basisdokumentation CC1P7550en HVAC Products Outputs valves -gas, type SI ( , SV, PV) X9 01 .. 39. Output oil pump / magnetic clutch, type No-SI X6 02 .. 40. Output Start signal or PS valve (APS test valve) type No-SI. (START) X4 03 .. 40. Program sequence .. 41. Parameters .. 41. Time 41. Gas valve 42. Recommendation .. 42. Determination of VP leakage rate.

6 43. Special functions during the program sequence .. 44. Lockout phase (Phase 00) .. 44. Safety phase (Phase 01) .. 44. Reset / manual lockout .. 44. Characteristics .. 44. Characteristics .. 44. Signaling start preventions .. 45. Forced intermittent operation .. 45. Program stop 45. Gas shortage program .. 46. Sequence diagram .. 46. Part load shutdown .. 46. Normal / direct start .. 47. Continuous fan 47. Response to extraneous light in standby .. 47. Selection of fuel .. 48. Selection of fuel with .. 48. the fuel selector on the .. 48. Selection of fuel .. 48. on the .. 48. Selection of fuel via BACS (modbus /ebus .. 48. fuel changeover.)

7 48. Sequence 49. Direct gas ignition .. 49. Gas pilot ignition 1 .. 50. Gas pilot ignition 2 .. 51. Light oil direct ignition .. 52. Heavy oil direct ignition .. 53. Light oil with gas pilot ignition .. 54. Heavy oil with gas pilot ignition .. 55. Legend to the sequence diagrams .. 56. 1 fuel / air ratio Control (FARC) .. 57. 57. Program sequence .. 57. 57. Preventilation .. 57. Ignition .. 58. Traveling to the operating 58. Operation .. 58. End of operating position .. 58. 59. 5/278. Siemens Building Technologies Basic Documentation CC1P7550en HVAC Products Actuator speed outside normal operation ..59. Operating position ..59. Modulating.

8 59. Multistage operation ..60. Position Dynamic safety time ratio Control ..61. Outside the operating position ..63. Operating position modulating ..63. Operating position Special features ..63. Program Direction of rotation of actuators ..63. Limitation of the load range ..64. Activation of actuators / VSD ..65..65..65. Number of fuel actuators ..65. Traveling times ..65. Shutdown behavior ..65. Overload protection of actuators ..65. Curve adjustment ..65. 1 Temperature or pressure controller (internal load controller LC)..66. General ..66. Connection Operating modes with the load controller ..66. Operating mode 1 (ExtLC X5-03).

9 67. Operating mode 2 (intLC)..68. Operating mode 3 (int LC bus) ..68. Operating mode 4 (int LC X62) ..69. Operating mode 5 (Ext LC X62) ..69. Operating mode 6 (Ext LC bus) ..70. Operating mode changeover to internal load controller ..70. Control (characteristics) ..71. Operating mode ..71. integrated 2-position controller (C = ON / OFF)..71. General ..71. Switching Modulating General ..72. Function Control parameters ..72. Manual setting of the Control parameters ..72. Self-setting of Control parameters (adaption) ..73. Adaption sequence ..73. Checking the Control parameters ..74. Settling of the manipulated variable ..75. Description (graph).

10 75. Multistage 6/278. Siemens Building Technologies Basisdokumentation CC1P7550en HVAC Products General .. 76. Load-dependent activation of the higher Burner stages .. 76. Function diagrams .. 77. Actual values (X) .. 78. Input 1, TEMP, Pt100 sensor (DIN) 78. Input 2: TEMP. / PRESS INPUT, DC V / DC V / mA. X61 .. 78. Measuring range temperature (can be parameterized).. 78. Measuring range pressure (can be parameterized) .. 78. Input 4: TEMP, Pt1000 / LG-Ni 1000 79. Setpoints (W).. 80. Internal setpoint .. 80. Input 3: SET POINT INPUT 80. External predefined setpoint .. 80. External predefined load .. 80. External predefined .. 80.