Siemens LMV51 Series Basic Documentation
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Siemens LMV51 Series Basic Documentation

Burner control with integrated fuel / air ratio control and load control for forced-draft burners
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LMV51...
Burner Control with integrated Fuel / Air Ratio
Control and Load Control for Forced-draft Burners
Basic Documentation
Valid for the following software versions:
LMV51... :
V01.90
Int. LC:
V01.40
AZL51... :
V01.70
CC1P7550en
29. 05. 2002
Siemens Building Technologies
HVAC Products

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Summary of Contents for Siemens LMV51 Series

  • Page 1 Burner Control with integrated Fuel / Air Ratio Control and Load Control for Forced-draft Burners Basic Documentation Valid for the following software versions: LMV51... : V01.90 Int. LC: V01.40 AZL51... : V01.70 Siemens Building Technologies CC1P7550en HVAC Products 29. 05. 2002...
  • Page 2 · Do not open, interfere with or modify the unit! · Siemens is not liable for any damage resulting from unauthorized interference! · In the event of blow n fuses, return the unit to Siemens! · Check electromagnetic emissions on an application-specific basis! To ensure the safety and reliability of the LMV51..., the following points must also be observed:...
  • Page 3 With proper oil burners, the magnetic clutch is not required. In that case, the long preignition time (from Phase 22) must be parameterized. · When using the PC software ACS450, the safety notes contained in the relevant Operating Instructions (CC1J7550) must be observed. 3/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 29.05.2002...
  • Page 4 The OEM assigns individual passwords to the parameter setting levels he can access. The default passwords used by Siemens must be changed by the OEM. These passwords are confidential and may only be given to persons authorized to access such parameter setting levels! ·...

  • Page 5: Table Of Contents

    Outputs valves-oil , type SI (V...) X8–02, X8–03, X7-01, X7-02 ... 31 Outputs valves -gas, type SI (V..., SV, PV) X9–01 ....... 31 Output oil pump / magnetic clutch, type No-SI X6–02 ......32 5/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products Contents 29.05.2002...
  • Page 6 Actuator speed outside normal operation ..........48 Operating position .................49 Modulating ..................49 Multistage operation ................49 4.1.2 Position check....................51 Dynamic safety time ratio control ............51 Outside the operating position ..............53 Operating position modulating ..............53 6/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products Contents 29.05.2002...
  • Page 7 Input 4: TEMP, Pt1000 / LG-Ni 1000 X60..........68 Setpoints (W)....................69 Internal setpoint ..................69 Input 3: SET POINT INPUT X62............69 External predefined setpoint ............. 69 7/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products Contents 29.05.2002...
  • Page 8 Burner identification (burner ID) ............105 Makeup of burner ID................105 Languages ..................105 Real time clock and calendar ..............105 S / W changeover ................105 Backup.....................106 Batterietyp ..................106 Adjustment of contrast (display)............106 Shutdown function................106 8/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products Contents 29.05.2002...
  • Page 9 Fuses used in the basic unit LMV51........... 146 Dimensions ....................147 LMV51....................147 AZL51....................147 Addendum 1: List of error messages of LMV51... system..... 148 Addendum 2: Connection diagram............156 9/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products Contents 29.05.2002...

  • Page 10: General

    QRI... or ionization probes can be used for continuous operation, and photoresistive flame detectors type QRB... for intermittent operation. Basic diagram Example: Dual-fuel burner - Gas: Modulating - Oil: 2-stage 10/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 1 General 29.05.2002...
  • Page 11 The universal SQM4... actuators are driven by stepper motors and can be positioned with a high resolution. The characteristics and settings of the actuators are defined by the basic unit of the LMV51..11/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 1 General 29.05.2002...

  • Page 12: Product Range Overview

    CAN bus. Stepper motor, flush panel mounting, parallel key. SQM48.697A9 Actuator. Nominal torque 35 Nm, running time 60…120 seconds. Control and feedback via CAN bus. Stepper motor, flush panel mounting, parallel key. 12/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 1 General...
  • Page 13 Input 2 - pressure input - temperature limiter (5 pins) TEMP./PRESS. INPUT Input 3, analog input (5 pins), SET POINT INPUT Load output (3 pins), LOAD OUTPUT [ / ] Actuator (5 pins) 13/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 1 General 29.05.2002...
  • Page 14 AZL51… cable, complete [ / ] Cable AGG5.630 [ / ] Cable AGG5.640 [ / ] Sub-D connector [ / ] 6-pin connector type 3.5 Actuator cable 14/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 1 General 29.05.2002...

  • Page 15: Type Code Lmv51

    Main group and basic design 7550s18E/0502 Burner control, microprocessor-based CAN bus system, dual- and single-fuel burner for continuous or intermittent operation, depending on the type of flame detector Gas valve proving 15/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 1 General 29.05.2002...

  • Page 16: Block Diagram Inputs / Outputs

    Power signal for safety loop OIL + GAS X3-04.3 Protective earth (PE) X3-04.4 Power supply neutral conductor (N) F 6,3 AT X3-04.5 Power supply live conductor (L) 16/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 1 General 29.05.2002...
  • Page 17 AGG5.2xx X10-03.1 Ionization probe (ION) Neutral conductor X10-01.4 FLAME Power signal LINE X10-01.3 transformer X10-01.2 AC power signal G0 SEK I 12VAC AC power signal G X10-01.1 17/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 1 General 29.05.2002...
  • Page 18 X51.3 12VAC1 12VAC1 12VAC1 12VAC1 12VAC1 CANH yellow X51.4 CANH CANH CANH CANH green X51.5 CANL CANL CANL CANL CANL Reference ground black X51.6 (PELV) GND 18/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 1 General 29.05.2002...

  • Page 19: Fuel Train Applications (Examples)

    Gas valve proving Pressure switch Heating element Heavy oil Operation Light oil ACT Actuator N ormally O pen Shutoff valve (outside the building) Pilot valve 19/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 Fuel train applications (examples) 29.05.2002...

  • Page 20: Direct Ignition With Light Oil, Multistage

    Fuel train applications (cont‘d) Program Direct ignition with light oil, multistage Single-stage burner 7550s03E/0499 Program 2-stage burner 7550s04E/0800 Program 3-stage burner 7550s05E/0800 20/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 Fuel train applications (examples) 29.05.2002...

  • Page 21: Direct Ignition With Light Oil, Modulating

    (with shutdown facility for adjustable head) 7550s07E/0800 Light oil Fuel valve (direct trafo ignition) control program ts 1 ts 2 Operation Multistage operation 7550f01bE/0200 21/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 Fuel train applications (examples) 29.05.2002...

  • Page 22: Direct Ignition With Heavy Oil, Multistage

    ® Phase change in Phase 40 Direct heavy oil start = OFF at the end of Phase 38 ® Repetition (max. 3 times in total) Multistage operation 7550f01cE/0200 22/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 Fuel train applications (examples) 29.05.2002...
  • Page 23 Oil trains LOgp and HOgp are designed for ignition with a gas pilot. They must always be combined with special gas train Gp2 for operation with a dual-fuel burner. With Gp2 permitted from HW 01.C0 and SW V01.40 23/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 Fuel train applications (examples)

  • Page 24: Dual-Fuel Burner Gas / Light Oil With Gas Pilot Ignition

    V1 oil SV oil 7550s15E/0202 Light oil Light oil Fuel valve (with gas pilot ignition) control program LOgp ts 1 ts 2 Operation Multistage operation 24/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 Fuel train applications (examples) 29.05.2002...

  • Page 25: Dual-Fuel Burner Gas / Heavy Oil With Gas Pilot Ignition

    ® Phase change in Phase 40 Direct heavy oil start = OFF at the end of Phase 44 Operation ® Repetition (max. 3 times in total) Two stage operation 25/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 Fuel train applications (examples) 29.05.2002...

  • Page 26: Burner Control

    Landis & Staefa X10-02 / 4 Made in Germany X10-02 / 2 brown 7719a01E/0502 0...10 V Ri > 10 MW For detailed information, refer to Data Sheet 7719. 26/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...
  • Page 27 It should also be noted that, for physical reasons, there is no linear relationship between the display and the detector signal values. This is especially obvious with ionization current supervision. For more detailed information, refer to Data Sheet 7714. 27/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control...

  • Page 28: Digital Inputs

    If none of the 2 inputs is active, the burner’s output is maintained at a constant level. The shortest permissible positioning step is about 100 ms. (Parameter text) in Italics = text displayed on the AZL51… 28/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 29: Air Pressure Switch (Aps) X3-02

    There is a delayed reaction to loss of gas pressure during «ts1» and «ts2» to prevent shutdown caused by pressure shocks when the valves open. Parameter: PressReacTme 29/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control...

  • Page 30: Pressure Switch-Min-Oil (Psmin-Oil) X5-01

    The input has been designed for the connection of an air pressure switch for flue gas recirculation (only from LMV52...). c) Parameter: Config_FGR-PS/FCC (deactivated) The function of the input can be deactivated. 30/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 31: Digital Outputs

    These outputs are used for connecting the gas valves in accordance with the selected type SI fuel train. ® Fuel trains, ® sequence diagrams. (V..., SV, PV) Parameter: FuelTrainGas (DirectIgniG / Pilot Gp1 / Pilot Gp2) X9–01 31/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 32: Output Oil Pump / Magnetic Clutch, Type No-Si X6-02

    This valve is required when parameterizing NormDirectStart (NormalStart / DirectStart) ® direct start for testing the air pressure switch if ContinuousPurge is parameterized (activated) ® continuous purging. 32/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control...

  • Page 33: Program Sequence

    Then, the gas train is filled by opening the gas valve t82 Fill on the gas network side. After shutting the gas valve, the gas pressure may not t83 Pressure test drop below a certain level. 33/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 34: Determination Of Vp Leakage Rate

    (Gp1) t Test in s Test time Examples Refer to chapter «Commissioning instructions for LMV51... system» / gas valve proving / leakage test. 34/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 35: Special Functions During The Program Sequence

    If this reaction is not desired, it is possible to feed power to the reset button from the alarm output, thus obtaining the same reaction as described in 1. above. 35/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 36: Signaling Start Preventions

    ProgramStop (deactivated / 24 PrePurgP / 32 PreP FGR / 36 IgnitPos / 44 Interv 1 / 52 Interv 2 / 72 PostPPos / 76 PostPFGR) The program stop function is maintained until manual deactivation takes place. 36/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 37: Gas Shortage Program

    Phase 79 to Phase 24 without switching the fan off, so that the startup sequence will be accelerated. But this would suppress checking the air pressure switch’s OFF position in standby. 37/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 38: Continuous Fan Operation

    If ® direct start has been parameterized, fuel changeover can also take place on shutdown in Phase 76. The fan will not be switched off. 38/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 39: Sequence Diagrams

    Fuel valve V3 Oil pump / magnetic clutch 90° 0° Required position 90° 0° Required position 7550f13E/0601 Program «Direct gas ignition» (also refer to «Fuel trains») 39/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 40: Gas Pilot Ignition 1

    Fuel valve V3 Oil pump / magnetic clutch 90° 0° Required position 90° 0° Required position 7550f14E/0601 Program «Gas pilot ignition 1» (also refer to «Fuel trains») 40/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 41: Gas Pilot Ignition 2

    Fuel valve V3 Oil pump / magnetic clutch 90° 0° Required position 90° 0° Required position 7550f15E/0601 Program «Gas pilot ignition 2» (also refer to «Fuel trains») 41/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 42: Light Oil Direct Ignition

    Fuel valve V3 Oil pump / magnetic clutch 90° 0° Required position 90° 0° Required position 7550f16E/0601 Program «Light oil (LO) direct ignition» (also refer to «Fuel trains») 42/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 43: Heavy Oil Direct Ignition

    Fuel valve V3 Oil pump / magnetic clutch 90° 0° Required position 90° 0° Required position 7550f17E/0601 Program «Heavy oil (HO) direct ignition» (also refer to «Fuel trains») 43/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 44: Light Oil With Gas Pilot Ignition

    Oil pump / magnetic clutch 90° 0° Required position 90° 0° Required position 7550f18E/0601 Program «Light oil with gas pilot ignition (LOgp)» (also refer to «Fuel trains») 44/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 45: Heavy Oil With Gas Pilot Ignition

    Oil pump / magnetic clutch 90° 0° Required position 90° 0° Required position 7550f19E/0601 Program «Heavy oil with gas pilot ignition (HOgp)» (also refer to «Fuel trains») 45/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 46: Legend To The Sequence Diagrams

    Stop to Ph-max time -> 01 Safety Limit Thermostat Continuous purging: Checking for on in 10 and 12, Safety Relay Temperature Limiter Stop to Ph-max time -> 01 46/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Burner control 29.05.2002...

  • Page 47: Fuel / Air Ratio Control (Farc)

    Ignition takes place only when the required position is reached. The ignition position can be adjusted for all actuators, depending on the type of fuel. Parameter: IgnitionPosAir Parameter: IgnitionPosGas or parameter IgnitionPosOil Parameter: IgnitionPosAux 47/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Fuel / air ratio control (FARC) 29.05.2002...

  • Page 48: Traveling To The Operating Position

    Outside normal operation, all actuators travel at that speed. Note When parameterizing the operating ramp, the speed of the slowest actuator must be taken into consideration! 48/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Fuel / air ratio control (FARC)

  • Page 49: Operating Position

    SetPointStage1 Parameter: StartPointStage2 Parameter: OffPointStage2 Parameter: SetPointStage2 Parameter: StartPointStage3 Parameter: OffPointStage3 Parameter: SetPointStage3 Pos. 7550d02E Load S2on S2off Multistage operation (here: 2-stage) 49/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Fuel / air ratio control (FARC) 29.05.2002...
  • Page 50 Then, the ratio position of «operating point S1» will be approached again. The procedure is analogous when switching from stage 2 to stage 3 and back again. 50/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Fuel / air ratio control (FARC) 29.05.2002...

  • Page 51: Position Check

    2° in no more than 3 seconds. Otherwise, safety shutdown occurs. Also, the neutral band must be reached within 8 seconds after starting the change in position. 51/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Fuel / air ratio control (FARC)
  • Page 52 Pos. [°] Required position -0,3 Alarm Actual position 7550d18E/0502 < 5 s Locking on change of load (approach < 2° > 0.3°) 52/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Fuel / air ratio control (FARC) 29.05.2002...

  • Page 53: Outside The Operating Position

    1 AirActuator (Standard / Reversed) Parameter: 2 GasActuat(Oil) (Standard / Reversed) Parameter: 3 OilActuator (Standard / Reversed) Parameter: 4 AuxActuator (Standard / Reversed) 53/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Fuel / air ratio control (FARC) 29.05.2002...

  • Page 54: Limitation Of The Load Range

    If the auxiliary actuator is not required, it must be deactivated. This can be selected auxiliary actuator separately for both types of fuel. Parameter: AuxActuator (deactivated / activated) 54/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Fuel / air ratio control (FARC) 29.05.2002...

  • Page 55: Number Of Fuel Actuators

    20 % above the value for TmeNoFlame parameterized. Curve adjustment Refer to chapter «Displays and settings» / special function curve adjustment FARC. 55/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Fuel / air ratio control (FARC)

  • Page 56: Temperature Or Pressure Controller (Internal Load Controller Lc)

    Parameter: LC_OptgMode (ExtLC / IntLC / IntLC o.DDC / IntLC DDCan / ExtLC analg / ExtLC o.DDC) 56/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC)

  • Page 57: Operating Mode 1 (Extlc)

    Operating mode 1 External load controller. (extLC) In this operating mode, an external load controller (e.g. Siemens RWF40) is used. The internal control algorithm is not active. The internal temperature limiter function can be activated. The external load controller must have 3 contact outputs which - as shown below - must be connected to the LMV51...

  • Page 58: Operating Mode 2 (Intlc)

    Manipulated variable, demand for heat CAN module (basic unit) Manipulated Demand variable for heat 0...100 % FARC (BU) BC (BU) 58/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC) 29.05.2002...

  • Page 59: Operating Mode 4 (Intlc Bmsan)

    Manipulated variable, demand for heat CAN module (basic unit) Manipulated Demand variable for heat 0...100 % FARC (BU) BC (BU) 59/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC) 29.05.2002...

  • Page 60: Operating Mode 6 (Extlc Via Bms)

    Manipulated variable, demand for heat CAN module (basic unit) Manipulated Demand variable for heat 0...100 % FARC (BU) BC (BU) 60/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC) 29.05.2002...

  • Page 61: Control (Characteristics)

    When«SD_*_On» is negative, the switching differential lies below the setpoint (from software version V01.40). Parameters: SD_ModOn SD_ModOff SD_Stage1On SD_Stage1Off SD_Stage2Off SD_Stage3Off 61/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC) 29.05.2002...

  • Page 62: Modulating Control

    PID standard values for the following applications: Parameter: Standardparam (very fast / fast / normal / slow / very slow) 62/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC)

  • Page 63: Self-Setting Of Control Parameters (Adaption)

    The new control parameters appear on the AZL... and are valid from now on. Note Refer to chapter «Displays and settings» / special function adaption LC 63/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC)

  • Page 64: Checking The Control Parameters

    XP too great 7550d22/0501 7550d21/0501 TN and TV too small TN and TV too great 7550d23/0501 7550d24/0501 Optimum setting 7550d25/0501 64/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC) 29.05.2002...

  • Page 65: Settling Of The Manipulated Variable

    Range of a small number of large steps of the controlling element In this range, small steps of the controlling element are suppressed since they would not yet have any major impact. 65/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC) 29.05.2002...

  • Page 66: Multistage Control

    In that case, stage 1 will already be switched off when threshold W+SD_Stage3Off is reached (low-fire operation). Setpoint Actual value SD_Stage1Off SD_Stage2Off SD_Stage3Off SD_Stage1On R=ON Stage1 Stage 2 Stage 3 7550f09E/0502 66/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC) 29.05.2002...

  • Page 67: Actual Values (X)

    150 °C or 302 °F End of measuring range: or (can be parameterized) 400 °C or 752 °F Parameter: Inp1/4/MaxValue 67/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC) 29.05.2002...

  • Page 68: Input 2: Temp. / Press Input, Dc 0

    Pt1000 / LG-Ni 1000 are small compared to the sensor's resistance. The TL function is active. The sensors to be used are the Siemens types QAE22.5A and QAE21.1. Start of measuring range: 0 °C or 32 °F 150 °C or 302 °F...

  • Page 69: Setpoints (W)

    If, in addition, a temperature sensor Pt100 (and / or Pt1000, LG-Ni1000 sensor) is connected, it is also possible to use the internal temperature limiter function with the external predefined load. 69/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC) 29.05.2002...

  • Page 70: External Predefined Load, Modulating

    LC_OptgMode (intLC o.DDC / extLC o.DDC) An external predefined setpoint via e-bus exists with «intLC via BMS». An external predefined load via e-bus exists with «extLC via BMS». 70/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC)

  • Page 71: Integrated Temperature Limiter Function

    Instant temperature change of test medium to determine the time constant Temperature of test medium Output signal of temperature sensor Time constant 71/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC)

  • Page 72: Cold Start Thermal Shock Protection (Cstp)

    Manipulated variable increased Change to control by output step old ON. variable increased by Burner will be output step switched on 7550d04E/0202 72/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC) 29.05.2002...

  • Page 73: Cstp - Multistage Operation

    Burner OFF Part load Nominal load I (mA) Output, multistage Burner OFF Stage 1 Stage 2 Stage 3 I (mA) 73/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC) 29.05.2002...

  • Page 74: Multiboiler Plants

    Controller ON / OFF Manipulated variable multistage / modulating Error messages For more detailed information, refer to ® section 6. 2. 1. 74/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Temperature or pressure controller (internal load controller LC)

  • Page 75: Display And Operating Unit Azl51

    Display and operating unit AZL51... Display and operating unit AZL51... 75/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...

  • Page 76: Assignment Of Azl51

    Port for BMS via external e-bus interface Port for the LMV51… basic unit Note COM1 and COM2 cannot be active at the same time! 76/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...

  • Page 77: Connecting Cable To The E-Bus Adapter

    8-pin Western 25-pin SUB-D connector 7550t02E/0502 Connecting cable AZL COM1 Cable PC COM to the PC 9-pin connector 9-pin socket 7550t01E/0502 77/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...

  • Page 78: Ports Of The Azl51

    Note The CAN connection to the basic unit can simultaneously be combined with only one of the 2 ports, either «Interface PC» or «Gateway BMS». 78/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...

  • Page 79: Port For The Pc

    · Final temperature or pressure setpoint · Contents of lockout and error storages · Existence inquiry e-bus infrastructure · Querying supported commands · Error message 79/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...

  • Page 80: Exchange Of Data

    Identification Query of the supported commands Existence inquiry Sign of life Readout of LMV error storage (Siemens-specific) Readout of LMV lockout storage (Siemens-specific) Error message For details, refer to e-bus specification, Application Layer OSI7 of User Club eBUS e. V.

  • Page 81: Display And Settings

    Parameter backup Load SW from PC PW Login AZL operation Enter < Select > PW Logout Submenu selection 7550d01E/0402 LossFlameTest SafetyCheckFunct STL test 81/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...

  • Page 82: Displays

    ( P h a s e 2 4 ) S T A R T U P I V ( P h a s e s 3 0 . . . 3 4 ) 82/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...
  • Page 83 ( P h a s e 6 0 ) ° ° O P E R A T I O N I I ( P h a s e 6 2 ) 83/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 84 ( P h a s e 7 9 ) V A L V E P R O V I N G ( P h a s e s 8 0 . . . 8 3 ) 84/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...

  • Page 85: Lockout And Error Messages

    In contrast to the lockout history, the error history contains the errors of all error classes and not only the lockouts. If an error occurs, the display alternates at 5-second intervals. Example: Safety loop open 85/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...
  • Page 86 In the event of safety shutdown, the display alternates at 5-second intervals. Example: Immediate display of warnings In the event of warnings, the display alternates at 5-second intervals. 86/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...
  • Page 87 Lockout and error messages Example: Immediate display of start preventions (cont‘d) In the event of start preventions, the display alternates at 5-second intervals. 87/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...

  • Page 88: Standard Parameterizations (Incl. Entry Of Password)

    Selection of the associated main menu item: The main menu item «Parameterization & Display» is called up and selected as described above: & = flashing cursor 88/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...

  • Page 89: Entry Of Password (Pw)

    When the last character of the password is reached, the entry is to be confirmed by pressing ENTER. · The passwords are linked to the access levels (Service, OEM, Siemens). This means that the parameters available for editing are only those associated with the access level ·...
  • Page 90 - 0...12.6 s resolution 0.2 s - 13...63 s resolution 1 s - 70...630 s resolution 10 s - 11...63 min resolution 1 min 90/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...

  • Page 91: Addressing The Actuators (Function Assignment)

    This procedure can be repeated for other actuators used by the system, but the AZL51… does not allow double assignments. In that case, a display tells the user that an appropriate actuator is already used by the system. 91/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...

  • Page 92: Direction Of Rotation

    4 pulses Þ auxiliary actuator After each blink cycle, there is a pause of 1.2 seconds. Example of an actuator for gas 7550d12E Time 92/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...

  • Page 93: Special Function Curve Settings Farc

    2. Ratio control is operated manually until the value reached shall be stored as a new point. A more detailed description of both approaches is given below: 93/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...
  • Page 94 Select the required breakpoint, then continue with ENTER ß Here, the pointer position can change between «change?» and «delete?». To edit the point, «change?» must be selected here. 94/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...
  • Page 95 (during the storage process, no buttons will be evaluated. To indicate this, a symbol appears on the display). The changes can be rejected by pressing ESC. 95/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...
  • Page 96 The procedure is the following: After leaving menu item «CurveParams», position the pointer on «Man» when reaching the menu. - Pointer positioned on «Man»: 96/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 97 To readjust the ignition positions after the burner has ignited: «ProgramStop» to «Stop_Ph44», or «Stop_Ph52» for pilot ignition after the pilot flame has been shut down. Then, on «ProgramStop», set to «Stop_Ph72». 97/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...
  • Page 98 A point can be saved at every intermediate point. Then, the load / position graph will look as follows: 90° Pos. FUEL 0° 100 % 7550d08E Load Change of load / position with two points 98/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 99 Now, the postpurge positions on menu «Special positions» can be set. Then, on «Program Stop», set to «deactivated». The system continues the shutdown sequence and stops in phase «Standby 12». 99/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...
  • Page 100 S e t t i n g m o d u l a t i n g r a t i o c o n t r o l Refer to selection menu «S e t t i n g s G a s » 100/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...
  • Page 101 This has no impact on the system, even if «Followed» has been selected. Example: Not followed. If «Followed» is selected, the parameters are set as follows: 101/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...
  • Page 102 Switch-off point stage 3 stage 3 Operating point stage 3 Approach of stage 3 Fine adjustment of stage 3 System response when a point is selected 102/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...

  • Page 103: Special Function Adaption Lc

    Adaption starts after pressing ENTER whereupon the following text appears: ° Depending on the adaption step, the following displays appears, alternating with the display shown above: ° 103/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 104 If a running adaption is manually canceled by pressing ESC, the following text will also appear: The system changes to «Normal operation». In that case, the previous PID parameters will be maintained. 104/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...

  • Page 105: Burner Identification (Burner Id)

    So, it is possible to have data transmission between the basic unit and the AZL51… of one plant (burner IDs are identical) and between an AZL51… and a new basic unit (burner ID «as supplied» by Siemens). Data transmission between AZL51… and basic units of different plants (burner IDs not identical) is not possible (no «cloning»!).

  • Page 106: Backup

    Shutdown function Lockout of the basic unit can be triggered by simultaneously pressing ENTER and ESC. Lockout will be stored in the AZL51..106/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51...

  • Page 107: Safety Check Function

    Definition of access rights. Parameters can be set by: User : Plant operator Service : Heating engineer OEM : Boiler / burner manufacturer Basic parameter setting Factory-set parameter 107/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 108 Total number of startups, start counter (read only) 0..999999 h User LockoutCounter Total number of lockouts that occurred (read only) 0..65535 User BurnerID Identification of burner 4..15 characters User invalid 108/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 109 Normal / direct start in the event of heat demand in NormalStart NormalStart phase 78 DirectStart IgnOilPumpStart Switch-on time of ignition and oil pump on in Ph38 on in Ph38 on in Ph22 109/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 110 Configuration of input on PM-VP or CPI PS-VP PS-VP VP_EvacTme Proving test evacuation time 0.2..3 s VP_TmeAtmPress Proving test test time atmospheric pressure MinT_VP_Atm Press..63 s 10 s 110/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 111 S etting the postpurge positions for firing on oil Service P ostpurgePos P ostpurgeP osOil P ostpurge position of fuel dam per (oil) 0..90° Service 0° 111/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 112 0..100 bar S etpointW 2 Internal setpoint W 1, in degrees Celsius 0..2000 °C User Internal setpoint W 1, in bar 0..100 bar 112/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 113 Inp2PresMaxValue End of pressure m easurem ent range for input 2 (4..20 m A, 0..99.9 bar Service 2 bar 0..10 V, 2..10 V) 113/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 114 3 OilActuator Direction of rotation of the respective actuator Standard Standard Reversed 4 AuxActuator Direction of rotation of the respective actuator Standard Standard Reversed 114/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 115 End of measurement range for sensor at inputs 1 and 4 150 °C / 302 °F Service 150 °C / 302 °F 400 °C / 752 °F 115/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...
  • Page 116 Cancelling the last access right obtained via password Service SafetyCheckFunct Safety check function User LossFlameTest Loss of flame test User SLT Test Safety limit thermostat test deactivated User deactivated activated 116/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Display and operating unit AZL51... 29.05.2002...

  • Page 117: Commissioning Instructions For The Lmv51

    ValveProving ValveProvingType Selection of gas valve proving: No VP, VP startup, VP shutdown or VP stup/shd ( ® «Gas valve proving system») 117/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...
  • Page 118 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display RatioControl GasSettings AuxActuator OilSettings AuxActuator 118/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...
  • Page 119 Inp3Config_C/V Inp3MinSetpoint Inp3MaxSetpoint On the configuration level of the LC, select the required type of sensor. Then, define the sensor’s measuring range. 119/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...

  • Page 120: Settings For Gas-Fired Operation

    Menu level 6 ManualOperation Autom/Manual/Off If startup shall be watched, press simultaneously selection buttons «<» and «>» to switch the display to «Normal operation». 120/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...
  • Page 121 · Now, select the second curvepoint. The settings of the previous curvepoint will be adopted on a preliminary basis · Store the second curvepoint like the first one 121/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system...
  • Page 122 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display RatioControl GasSettings CurveParams Point Manual 122/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...

  • Page 123: Settings For Multistage Firing On Oil

    Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display RatioControl OilSettings CurveParams Operation Mode 123/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...
  • Page 124 ManualOperation Autom/Manual/Off If startup shall be watched, the display can be changed to «Normal operation» by pressing simultaneously selection buttons «<» and «>». 124/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system...
  • Page 125 Menu level 4 Menu level 5 Menu level 6 Params & Display RatioControl OilSettings CurveParams Curve Settings Actuator Positions followed not followed 125/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...
  • Page 126 Select «Autom/Manual/Off» and choose «BurnerOff». Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 ManualOperation Autom/Manual/Off 126/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...

  • Page 127: Extra Functions Of The Lmv51

    Volume between the valves (test volume) including valve volume and pilot path (Gp1) if present t Test in s Test time 127/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...
  • Page 128 = 3 l 1013 mbar • 4 s t Test = 4 s Result: The detected leakage rate is 40 l / h 128/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...

  • Page 129: Configuration Of The Load Controller

    Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController Configuration Inp1/4/MaxValue 150°C/302°F 400°C/752°F 129/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...

  • Page 130: Control Parameters Of The Load Controller

    Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController Adaption StartAdaption AdaptionLoad 130/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...
  • Page 131 +10 % ( = 7 K) Controller loop open (Off) 70 + 3.5 = 73.5 °C Controller loop closed (On) 70 - 7 = 63 °C 131/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...
  • Page 132 StageStep_Mod 10 % of setpoint Max. time modulating per step MaxTmeMod 5 minutes Shock protection deactivation level ThresholdOff 80 % of setpoint 132/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...
  • Page 133 Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController ColdStart ColdStartOn ThresholdOn StageLoad StageStep_Mod StageStep_Stage MaxTmeMod MaxTmeStage ThresholdOff 133/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Commissioning instructions for the LMV51... system 29.05.2002...

  • Page 134: Connection Terminals / Coding Of Connectors

    X3-02 X3-03 X3-04 7550u01/1101 LOAD SET POINT TEMP./PRES. TEMP. TRAFO OUTPUT INPUT INPUT X60 1 Pt100 X50 1 Pt / Ni 1000 134/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Connection terminals / coding of connectors 29.05.2002...

  • Page 135: Coding Of Connectors

    8.2 Coding of connectors 135/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Connection terminals / coding of connectors 29.05.2002...

  • Page 136: Mounting, Electrical Installation And Service

    · To isolate the unit from the mains supply, a multipolar switch must be used. · For wiring the bus users, only the cables specified by Siemens may be used! · The electrical contacts used by the external signal sources (DWmin, max, LC, etc.) must be gold-plated silver contacts!

  • Page 137: Power Supply To The Lmv51

    230 V LMV51... basic unit Power trafo 1 7550a03E/0202 AGG5.2xx X3-04 Note on example 1 Total length of bus cable £ 100 m 137/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Mounting, electrical installation and service 29.05.2002...
  • Page 138 (Type1) to all the other actuators. The fuses required for transformer 1 are accommodated in the LMV51... basic unit. For transformer 2, these 3 fuses must be located close to the transformer. 138/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Mounting, electrical installation and service 29.05.2002...

  • Page 139: Determination Of The Maximum Cable Length

    (2 x SQM45.xxx) gives a maximum cable length of 33.4 m between the transformer and the group of actuators. The minimumcross-sectional area is 0.33 mm 139/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Mounting, electrical installation and service...

  • Page 140: Types Of Cable

    AGG5.630 / 631 (cable type 2) LMV51... « AZL51… Silver-grey RAL 7001 0.50 mm 0.50 mm 0.50 mm Shield 2 x 0.25 mm Drilled pair 140/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Mounting, electrical installation and service 29.05.2002...

  • Page 141: Suppliers Of Other Accessory Items

    / PC adapter Fa. Karl Dungs GmbH & Co. part no. 230 437 Steuer- und Regeltechnik Postfach 1229 D-73602 Schorndorf User Club eBUS e.V. www.eBUS.de 141/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Mounting, electrical installation and service 29.05.2002...

  • Page 142: Duties Of The Authorized Inspector

    LMV51..142/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 10 Duties of the authorized inspector 29.05.2002...

  • Page 143: General

    It must be made certain that all safety notes and the notes on mounting, electrical installation and service according to the above mentioned Data Sheets are complied with. 143/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 10 Duties of the authorized inspector...

  • Page 144: Technical Data

    CR 2430 (LF-1 / 2 W) DURACELL DL 2430 SANYO ELECTRIC, Osaka / Japan CR 2430 (LF-1 / 2 W) RENATA AG, Itingen / CH CR 2430 144/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Technical data 29.05.2002...

  • Page 145: Loads On Terminals, Cable Lengths And Cross-Sectional Areas

    · Unit input current* (safety loop) max. 5 A * Total contact current resulting from: Fan motor contactor Ignition transformer Valves Oil pump / magnetic clutch 145/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Technical data 29.05.2002...

  • Page 146: Load On Individual Contacts

    Cable insulation must satisfy the requirements of the relevant temperature and environmental conditions. The CAN (bus) cables have been specified by Siemens and can be ordered as accessory items. Other types of cables may not be used. Otherwise, the EMC characteristics of the LMV51...

  • Page 147: Dimensions

    12 Dimensions Dimensions in mm LMV51... AZL51... 147/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 12 Dimensions 29.05.2002...

  • Page 148: Addendum 1: List Of Error Messages Of Lmv51

    In case of departure from the valid range when com m issioning the unit for the first tim e: Readjust to ensure valid value range If fault occurs after operation has been correct: Replace the faulty basic unit 148/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Addendum 1: List of error messages of LMV51...
  • Page 149 149/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Addendum 1: List of error messages of LMV51...
  • Page 150 Fault in connection with plausibility check. For cause of fault, refer to the diagnostic code No Fuel Train defined No defined fuel train param eterized 150/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Addendum 1: List of error messages of LMV51... system...
  • Page 151 If resetting does not solve the problem : Restore the param eters of the AZL51... Otherwise, replace the basic unit 151/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Addendum 1: List of error messages of LMV51... system...
  • Page 152 Fault Feedback Aux Actuator auxiliary actuator when checking the actuator's If fault occurs perm anently: Replace the faulty auxiliary actuator feedback signal 152/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Addendum 1: List of error messages of LMV51... system...
  • Page 153 Adaption invalid TU greater than identification time Adaption invailid Invalid TV identified Timeout with Adaption Timeout during observation time 153/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Addendum 1: List of error messages of LMV51... system 29.05.2002...
  • Page 154 CAN warning level No valid Parameter Backup Fault when copying a parameter page Reset the unit; repeat backup restore, if required 154/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Addendum 1: List of error messages of LMV51... system...
  • Page 155 6 / auxiliary actuator 7 / not used If fault occurs sporadically: Improve EMC If fault occurs permanently: Replace the faulty basic unit 155/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Addendum 1: List of error messages of LMV51... system...

  • Page 156: Addendum 2: Connection Diagram

    14 Addendum 2: Connection diagram 156/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 14 Addendum 2: Connection diagram 29.05.2002...
  • Page 157 Siemens Building Technologies AG © 2002 Siemens Building Technologies AG Landis & Staefa Division Subject to change Berliner Ring 23 D-76437 Rastatt Tel. 0049-7222-598-0 Fax 0049-7222-53182 www.landisstaefa.com 157/157 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 29.05.2002...

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