Page 1 The LMV5... and this Basic Documentation are intended for OEMs which integrate the system in their products! Gilt für Software-Versionen LMV51... : V02.20 LMV52...: V01.00 Int. LR: V01.50 Siemens Building Technologies Int. FU-Modul: V1.20 AZL51...: V02.50 HVAC Products AZL52...: V03.20 PLL52...: V01.00 CC1P7550en 01.10.2003...
Page 2 2/278 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 01.10.2003...
Page 3 Type summary LMV5..................22 LMV51.000A1 ..................22 − LMV51.000A2 ..................22 − LMV51.100B1 ..................22 − LMV51.100B2 ..................22 − LMV51.200A1 ..................22 − LMV51.200A2 ..................22 − LMV52.200A2 ..................22 − 3/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 01.10.2003...
Page 4: Table Of Contents
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 (V...) X8–02, X8–03, X7-01, X7-02....39 − 4/278 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 01.10.2003...
Page 5 Preventilation ..................57 − Ignition ....................58 − Traveling to the operating position............58 − Operation ....................58 − End of operating position ..............58 − Postpurging................... 59 − 5/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 01.10.2003...
Page 6 Self-setting of control parameters (adaption) ........73 − Adaption sequence ................73 − Checking the control parameters ............74 − Example.....................74 − Settling of the manipulated variable ............75 − Principle.....................75 − Description (graph) ................75 − 1.1.1 Multistage control...................76 6/278 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 01.10.2003...
Page 7 Reading eBus-specific ..............91 − data ....................91 − Writing parameters................92 − List of supported ................... 92 − eBus commands ................... 92 − Display and settings ..................93 7/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 01.10.2003...
Page 8 6. Selecting the actuator’s direction of rotation ........150 − 7. LMV51... Activating and deactivating the actuator ......150 − LMV52... activating and deactivating the actuators......150 − 8. Setting the load controller (option) ..........151 − 8/278 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 01.10.2003...
Page 9 Connection terminals of the LMV5.............. 168 Coding of connectors................... 169 AGG5.720 ................... 170 − AGG5.721 ................... 171 − Description of the connection terminals..........172 Mounting, electrical installation and service .......... 177 9/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 01.10.2003...
Page 10 Cross-sectional areas .................190 − Fuses used in the LMV5... basic unit ..........190 − Dimensions....................191 LMV5....................191 − AZL5....................191 − Addendum 1: List of fault status messages of LMV51... system ..192 10/278 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 01.10.2003...
Page 11 Functioning principle of O2 trim control ............248 12.2.1 Air rate reduction ..................248 12.2.2 Definition of O2 setpoint ................248 12.2.3 Lambda factor....................249 12.3 Precontrol ....................250 12.3.1 Calculation of precontrol................250 11/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 01.10.2003...
Page 12 Basic unit LMV52................271 PLL52.x ....................271 − Environmental conditions ..............271 − 12.14 Terminal ratings, line lengths and cross-sectional areas ......272 Basic unit LMV52................272 − PLL52....................272 − Analog inputs...................272 − Dimensions....................272 12/278 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 01.10.2003...
Page 13 AZL5..................276 14.3.5 Various parameter changes ................ 276 14.3.6 Name changes of load controller operating modes ........276 14.3.7 New display text for actuator faults.............. 276 13/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 01.10.2003...
Page 14 Observe the following warning notes to help prevent damage to persons, property or the environment! The LMV5... is a safety device! Do not interfere with or modify the unit. Siemens Landis & Staefa will not assume responsibility for damage resulting from unauthorized interference! The addendum to the LMV51.2...
Page 15 There is no absolute protection against incorrect use of the RAST5 connectors. For this reason, prior to commissioning the plant, check the correct assignment of all connectors • Electromagnetic emissions must be checked on an application-specific basis 15/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 1 Safety notes 01.10.2003...
Page 16 A password protects the parameter setting level against unauthorized access. The OEM allocates individual passwords to the setting levels he can access. The standard passwords used by Siemens Landis & Staefa must be changed by the OEM. These passwords are confidential and may only be passed on to persons authorized to access such setting levels •...
Page 17 Each time a unit has been replaced, check to ensure that wiring is in an orderly state • If fuses are blown, return the complete unit to Siemens Landis & Staefa 1.9 Disposal notes The unit contains electrical and electronic components and may not be disposed of together with household waste.
Page 18 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 18/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General 01.10.2003...
Page 19 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 LMV5..19/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General 01.10.2003...
Page 20 Infrared flame detector. Universal flame detector for oil or gas flames. Suited for QRI2B2... intermittent or continuous operation, with integrated flame amplifier and prefabricated connecting cable 180 cm. Lateral illumination 20/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General...
Page 21 CAN bus. Stepper motor, flush panel mounting, parallel key Actuator. Nominal torque 35 Nm, running time 60…120 seconds. Control and feedback SQM48.697A9 via CAN bus. Stepper motor, flush panel mounting, parallel key 21/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General...
Page 22 Same as LMV51.1... basic unit, plus VSD control, AC 230 V. LMV51.200A2 Same as LMV51.2… basic unit, plus O trim control and up to 6 actuators, AC 230 V. LMV52.200A2 22/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General 01.10.2003...
Page 23: 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) 23/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General 01.10.2003...
Page 24: Block Diagram (Cont'd)
X10-03.1 Ionization probe (ION) X10-01.4 Neutral conductor FLAME Power signal LINE X10-01.3 transformer AC power signal G0 X10-01.2 SEK I 12VAC AC power signal G X10-01.1 X10-01.1 24/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General 01.10.2003...
Page 25: Block Diagram (Cont'd)
X51.3 12VAC2 12VAC2 12VAC2 12VAC2 12VAC2 CANH yellow X51.4 CANH CANH CANH CANH green X51.5 CANL CANL CANL CANL CANL Reference ground black X51.6 (PELV) GND 25/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General 01.10.2003...
Page 26: Fuel Train Applications (Examples)
Fuel valve Gas valve proving Pressure switch Heating element Heavy oil Operation Light oil ACT Actuator Normally Open Shutoff valve (outside the building) Pilot valve 26/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Fuel train applications (examples) 01.10.2003...
Page 27: Fuel Train Applications (Cont'd)
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 27/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Fuel train applications (examples) 01.10.2003...
Page 28: Direct Ignition With Light Oil, Modulating
(with shutdown facility for adjustable head) 7550s07E/0800 Light oil (direct trafo ignition) Fuel valve control program ts 1 ts 2 Operation Multistage operation 7550f01bE/0200 28/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Fuel train applications (examples) 01.10.2003...
Page 29: Direct Ignition With Heavy Oil, Multistage
Direct heavy oil start = OFF ts 1 at the end of Phase 38 → Repetition (max. 3 times in total) ts 2 Operation Multistage operation 7550f01cE/0200 29/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Fuel train applications (examples) 01.10.2003...
Page 30 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 30/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Fuel train applications (examples)
Page 31: Dual-Fuel Burner Gas / Light Oil With Gas Pilot Ignition
V1 oil SV oil 7550s15E/0202 Light oil Light oil (with gas pilot ignition) Fuel valve control program LOgp ts 1 ts 2 Operation Multistage operation 31/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Fuel train applications (examples) 01.10.2003...
Page 32: 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 → Repetition (max. 3 times in total) Operation Two stage operation 32/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Fuel train applications (examples) 01.10.2003...
Page 33: Burner Control
Landis & Staefa X10-02 / 4 Made in Germany X10-02 / 2 brown 7719a01E/0502 0...10 V Ri > 10 MΩ For detailed information, refer to Data Sheet 7719. 33/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 34: Ionization (Suited For Continuous Operation)
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. 34/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control...
Page 35: Digital Inputs
«▼» decreases the output 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. 35/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 36: Air Pressure Switch (Aps) X3-02
LOgp and HOgp until the end of TSA2. The signal is anticipated in Phase 21. Loss of (only LMV52...) the start signal causes the burner to shut down. The input can be deactivated. Parameter: StartReleaseGas (activated / deactivated) 36/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 37: Pressure Switch-Max-Gas, (Psmax-Gas) X9-03
The signal is anticipated in Phase 21. If the signal is not delivered, or if it is lost, shutdown will occur. The input can be deactivated. Parameter: StartReleaseOil (activated / deactivated) 37/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 38: Direct Heavy Oil Start (Ho-Start) X6-01
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. 38/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 39: Digital Outputs
Outputs valves -gas, fuel train. → Fuel trains, → sequence diagrams. type SI (V..., SV, PV) Parameter: FuelTrainGas (DirectIgniG / Pilot Gp1 / Pilot Gp2) X9–01 39/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 40: 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. 40/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control...
Page 41: Program Sequence
AZL51…, the heating engineer can only readjust them in the «safe» direction (against internal maximum or minimum values). In other words, «ts» times can only be shortened and «tv» times can only be extended. 41/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 42: Gas Valve Proving
If gas valve proving is parameterized with «startup and shutdown», the gas valves must perform additional switching cycles. This means that wear and tear of the gas valves will increase. 42/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 43: Determination Of Vp Leakage Rate
(Gp1) t Test in s Test time Examples Refer to chapter «Commissioning instructions for LMV5... system» / gas valve proving / leakage test. 43/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 44: 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. 44/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 45: Signaling Start Preventions
PostPFGR) The program stop function is maintained until manual deactivation takes place. If the system stops at a program stop, a message will appear on the AZL5... 45/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control...
Page 46: Gas Shortage Program
The maximum time «MaxTmeLowFire» for changing to low-fire operation can be parameterized. If the time is set to 0.2 seconds, part load shutdown will be deactivated. Parameter: MaxTmeLowFire 46/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 47: Normal / Direct Start
As a response to extraneous light in the standby phase, it is possible to choose start Response to extraneous prevention or lockout. light in standby Parameter: ReacExtranLight (Lockout / Startblock) 47/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 48: Selection Of Fuel
If → direct start has been parameterized, fuel changeover can also take place on shutdown in Phase 76. The fan will not be switched off. 48/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 49: Sequence Diagrams
90° 0° Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f13e/0903 Program «Direct gas ignition» (also refer to «Fuel trains») 49/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 50: Gas Pilot Ignition 1
0° Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f14e/0903 Program «Gas pilot ignition 1» (also refer to «Fuel trains») 50/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 51: Gas Pilot Ignition 2
0° Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f15e/0903 Program «Gas pilot ignition 2» (also refer to «Fuel trains») 51/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 52: Light Oil Direct Ignition
Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f16e/0903 Program «Light oil (LO) direct ignition» (also refer to «Fuel trains») 52/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 53: Heavy Oil Direct Ignition
Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f17e/0903 Program «Heavy oil (HO) direct ignition» (also refer to «Fuel trains») 53/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 54: Light Oil With Gas Pilot Ignition
90° / 100% 0° / 0% Required position 90° 0° Required position 7550f18e/0903 Program «Light oil with gas pilot ignition (LOgp)» (also refer to «Fuel trains») 54/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 55: Heavy Oil With Gas Pilot Ignition
90° / 100% 0° / 0% Required position 90° 0° Required position 7550f19e/0903 Program «Heavy oil with gas pilot ignition (HOgp)» (also refer to «Fuel trains») 55/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 56: Legend To The Sequence Diagrams
→ Output PS valve will be logically inverted Parameter: „Alarm act / deact“, „deactivated“ → The alarm output can temporarily be deactivated (only for the current error) 56/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Page 57: Fuel / Air Ratio Control (Farc)
The fuel actuators maintain their home positions. Parameters: LMV51... LMV52... PrepurgePosAir PrepurgePosAux Aux2 Aux3 57/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 01.10.2003...
Page 58: Ignition
(Phase 62) before the fuel valve close. For that purpose, a position maximum time is available which can be parameterized → part load shutdown. 58/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC)
Page 59: Postpurging
If there is a curvepoint on the way to the next target on the curve, it will always be approached. When parameterizing the operating ramp, the speed of the slowest actuator must be Note taken into consideration! 59/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 01.10.2003...
Page 60: Multistage Operation
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. 60/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 01.10.2003...
Page 61: 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. 61/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC)
Page 62 Pos. [°] Required position -0,3 Alarm Actual position 7550d18E/0502 < 5 s Locking on change of load (approach < 2° > 0.3°) 62/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 01.10.2003...
Page 63: Outside The Operating Position
2 GasActuator (oil) (standard / inverted) 3 OilActuator (standard / inverted) 4 AuxActuator (standard / inverted) 5 AuxActuator 2 6 AuxActuator 3 63/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 01.10.2003...
Page 64: Limitation Of The Load Range
Low-fire load ≤ minimum load ≤ maximum load ≤ nominal load Parameter: MinLoadGas Parameter: MaxLoadGas Parameter: MinLoadOil Parameter: MaxLoadOil 64/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 01.10.2003...
Page 65: Activation Of Actuators / Vsd
20 % above the value for TmeNoFlame parameterized. Refer to chapter «Displays and settings» / special function curve adjustment FARC. Curve adjustment 65/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC)
Page 66: Temperature Or Pressure Controller (Internal Load Controller Lc)
Then, each bus user makes the configurations required for the relevant operating modes. Parameter: LC_OptgMode (ExtLC X5-03/Int LC/Int LC Bus/Int LC X62/Ext LC X62/Ext LC Bus) 66/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 67: Operating Mode 1 (Extlc X5-03)
CLOSED or stage 3 FARC (BU) stage 3 network OPEN Terminal OPEN or stage 2 FARC (BU) stage 2 7550b08E/0800 67/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 68: Operating Mode 2 (Intlc)
Manipulated variable, demand for heat CAN module (basic unit) Manipulated Demand variable for heat 0...100 % FARC (BU) BC (BU) 68/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 69: Operating Mode 4 (Int Lc X62)
Manipulated variable, demand for heat CAN module (basic unit) Manipulated Demand variable for heat 0...100 % FARC (BU) BC (BU) 69/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 70: Operating Mode 6 (Ext Lc Bus)
1 (ExtLC X5-03), the input is nevertheless active. Then, when changing to the internal load controller, the controller input is deactivated. Parameter: Input Controller (activated / deactivated) 70/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
Page 71: Control (Characteristics)
When«SD_*_On» is negative, the switching differential lies below the setpoint (LC software version V01.40 or higher). Parameters: SD_ModOn SD_ModOff SD_Stage1On SD_Stage1Off SD_Stage2Off SD_Stage3Off 71/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 72: Modulating Control
PID standard values for the following applications: Parameter: Standardparam (very fast / fast / normal / slow / very slow) 72/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
Page 73: Self-Setting Of Control Parameters (Adaption)
The new control parameters appear on the AZL... and are valid from now on. Refer to chapter «Displays and settings» / special function adaption LC Note 73/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
Page 74: 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 74/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 75: Settling Of The Manipulated Variable
− In this range, small steps of the controlling element are suppressed since they would not yet have any major impact. 75/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
Page 76: Multistage Control
Q-value is reached. If, before that, the setpoint is reached with the lower stage, the counter will be reset. 76/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 77: Function Diagrams
In that case, stage 1 will be switched off when threshold W+ SD_Stage1Off is reached. Setpoint Actual value SD_Stage1Off SD_Stage2Off SD_Stage3Off SD_Stage1On R=ON Stage 1 Stage 2 Stage 3 7550f10E/0502 77/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 78: Actual Values (X)
If a fault is detected, the burner will be shut down (changing to the safety phase). If the short-circuit or open-circuit disappears within the safety phase, a change to standby will take place. Otherwise, lockout will be triggered. 78/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 79: Input 4: Temp, Pt1000 / Lg-Ni 1000 X60
150 °C or 302 °F End of measuring range: or (can be parameterized) 400 °C or 752 °F Parameter: MeasureRange PtNi 79/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 80: Setpoints (W)
External predefined Part load Full load load, modulating I (mA) U (V) 80/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 81: External Predefined Load, Multistage
LC_OptgMode (intLC o.DDC / extLC o.DDC) An external predefined setpoint via e-bus exists with «Int LC bus». An external predefined load via e-bus exists with «Ext LC bus». 81/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
Page 82: Integrated Temperature Limiter Function
Instant temperature change of test medium to determine the time constant ϑ M Temperature of test medium Output signal of temperature sensor Time constant 82/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 83: 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 83/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 84: Cstp - Multistage Operation
Note: When using the pressure sensor, the temperature limiter is not active. This function may only be used in combination with temperature or pressure sensors. Parameter: SensorSelection (Temp Sensor, Press Sensor) 84/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
Page 85: Output
Manipulated variable multistage / modulating − Error messages − For more detailed information, refer to → section 7.2.2 Connection to superposed systems. 85/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Page 86: Display And Operating Unit Azl5
Display and operating unit AZL5... Display and operating unit AZL5... 86/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 87: Assignment Of Azl5
Port for BACS via external bus interface CAN bus Port for the LMV5… basic unit COM1 and COM2 cannot be active at the same time! Note 87/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 88: Connecting Cable To The E-Bus Adapter
Pin 5 and Pin 7 can deliver a current of maximum 5 mA each. Adequate insulation against other potentials must be ensured. Connecting cable AZL COM1 Cable PC COM to the PC 9-pin connector 9-pin socket 7550t01E/0502 88/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 89: Ports Of The Azl5
The CAN bus connection to the basic unit can simultaneously be combined with only Note one of the 2 ports, either «Interface PC» or «Gateway BACS». 89/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 90: Port For The Pc
• 1 stop bit During the program update of the AZL5…, the transmission rate between PC tool and AZL5… is automatically increased to 38,400 bit / s. 90/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 91: Connection To Superposed Systems
Management level Automation level Sub station Process control DP/MODBus converter Field level CAN bus Burner management system Burner control, boiler control LMV5... system 7550p20e/1003 91/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 92: Writing Parameters
Set date / time of day Identification Query of the supported commands Existence inquiry Sign of life Readout of LMV5... error storage (Siemens-specific) Readout of LMV5... lockout storage (Siemens- specific) Error message For details, refer to bus specification, Application Layer OSI7 of User Club eBUS e.
Page 93: 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 93/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 94: Displays
S T A R T U P I I I ( P h a s e s 3 0 . . . 3 4 ) S T A R T U P I V 94/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 95: Display (Cont'd)
O P E R A T I O N I ° ° ( P h a s e 6 2 ) O P E R A T I O N I I 95/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 96: Displays (Cont'd)
S H U T D O W N ( P h a s e s 8 0 . . . 8 3 ) V A L V E P R O V I N G 96/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 97: 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 97/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 98: Lockout And Error Messages (Cont'd)
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. 98/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 99: Lockout And Error Messages (Cont'd)
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. 99/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 100: 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 100/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 101: 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 102: First Submenu Level
- 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 102/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 103: Addressing The Actuators (Function Assignment)
This procedure can be repeated for other actuators used by the system, but the AZL5… does not allow double assignments. In that case, a display tells the user that an appropriate actuator is already used by the system. 103/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 104: Direction Of Rotation
6 pulses auxiliary actuator 3 After each blink cycle, there is a pause of 1.2 seconds. Example of an actuator for gas 7550d12E Time 104/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 105: 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: 105/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 106 Select the required curvepoint, then continue with ENTER ⇓ Here, the pointer position can change between «change?» and «delete?». To edit the point, «change?» must be selected here. 106/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 107 (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. 107/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 108 The procedure is the following: After leaving menu item «CurveParams», position the pointer on «Man» when reaching the menu. - Pointer positioned on «Man»: 108/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 109 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». 109/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 110 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 110/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 111 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». 111/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 112 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 » 112/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 113 By pressing the SELECTION buttons the entered positions of all switching and operating points can be viewed. This has no impact on the system, even if «Followed» has been selected. Example: Not followed. 113/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 114 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 114/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 115: 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: ° 115/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Page 116 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. 116/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 117: Burner Identification (Burner Id)
AZL5… of one plant (burner IDs are identical) and between an AZL5… and a new basic unit (burner ID «as supplied» by Siemens). Data transmission between AZL5… and basic units of different plants (burner IDs not identical) is not possible (no «cloning»!).
Page 118: Adjustment Of Contrast (Display)
Lockout of the basic unit can be triggered by simultaneously pressing ENTER and ESC. Shutdown function Lockout will be stored in the AZL5..118/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 119: Safety Check Function
If required, the code or version of the parameter set can be displayed on the AZL5... In that case, select menu item «Factory ID» from the menu of the relevant device. 119/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Page 120 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 121 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 122 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 123 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 124 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 125 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 126 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 127 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 128 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 129 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 130 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 131 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 132 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 133 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 134 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 135 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 136 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 137 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 138 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 139 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 140 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 141 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 142 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 143 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 144 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 145 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 146 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 147 Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Page 148: Commissioning Instructions For The Lmv5
Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Parameter BurnerControl Configuration ConfigInput/Output 148/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 149: Setting Gas Valve Proving
6. Auxiliary actuator 3 Confirm by pressing ENTER ( → «Display and operating unit AZL5…»). The AZL5… prompts you to operate the addressing switch on the actuator. 149/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system...
Page 150: Selecting The Actuator's Direction Of Rotation
Menu level 6 Params & Display RatioControl GasSettings AirActuator AuxActuator 1 AuxActuator 2 AuxActuator 3 OilSettings AirActuator AuxActuator 1 AuxActuator 2 AuxActuator 3 150/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 151: Setting The Load Controller (Option)
Ext Setpoint minExt Setpoint max On the configuration level of the LC, select the required type of sensor. Then, define the sensor’s measuring range. 151/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system...
Page 152 Menu level 6 ManualOperation Autom/Manual/Off If startup shall be watched, press simultaneously selection buttons «<» and «>» to switch the display to «Normal operation». 152/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 153 If no point for the fuel / air ratio control system has as yet been predefined, the first curvepoint «P1» to be adopted on a preliminary basis are the ignition positions of the actuators. 153/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5...
Page 154 20.3° 30.0° 45.0° 52.0° 60.0° Fuel / air ratio control Gas actuator position Air actuator position Auxiliary actuator 100 % Load [%] 154/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 155 17. Shutdown Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 ManualOperation Autom/Manual/Off 155/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 156 Menu level 6 Params & Display RatioControl ProgramStop deactivated 24PrePurgP 32PreP FGR 36IgnitPos 44Interv1 52Interv2 72PostPPos 76PostPFGR Activate a program stop in Phase 24. 156/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 157 Note: After the settings are made, the program stop in the prepurge position should be replaced by the program stop of the ignition position in Phase 36. 157/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system...
Page 158 (Phase 60). If the switching points of the burner stages have not yet been defined, the ignition positions of the actuators will be used as the first stage for the moment. 158/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5...
Page 159 Air actuator position «Down» Auxiliary actuator «Up» Auxiliary actuator «Down» 100 % Load [%] V2 off V2 on V3 off V3 on 159/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 160 26. Shutdown Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 ManualOperation Autom/Manual/Off 160/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 161 Volume between the valves (test volume) including valve volume and pilot path (Gp1) if present t Test in s Test time 161/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 162 = 40.0 l / h = 3 l 1013 mbar • t Test = 4 s Result: The detected leakage rate is 40 l / h 162/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 163 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController Configuration MeasureRange PtNi 150°C/302°F 400°C/752°F 163/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 164 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController Adaption StartAdaption AdaptionLoad 164/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 165 Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController ControllerParam Setpoint W1 Setpoint W2 Operation BoilerSetpoint Setpoint W1 Setpoint W2 165/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 166 When the switch-off threshold is reached, the cold start sequence will be terminated and normal control operation started. 166/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5...
Page 167 Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController ColdStart ColdStartOn ThresholdOn StageLoad StageStep_Mod StageStep_Stage MaxTmeMod MaxTmeStage ThresholdOff 167/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
Page 168 X3-04 7550u01/0903 LOAD SET POINT TEMP./PRES. TEMP. TRAFO OUTPUT INPUT INPUT X63 1 X60 1 Pt100 X50 1 Pt / Ni 1000 168/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Connection terminals / coding of connectors 01.10.2003...
Page 169 9.2 Coding of connectors (CPI) 169/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Connection terminals / coding of connectors 01.10.2003...
Page 170 TEMP. / PRESS. INPUT Input 3, analog input (5 pins), SET POINT INPUT Load output (3 pins), LOAD OUTPUT [ / ] Actuator (5 pins) 170/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Connection terminals / coding of connectors 01.10.2003...
Page 171 5-pin connector 1 x [ / ] 6-pin connector 1 x RAST 5 Transformer prim I sec II DEFL X10-02.1 Photoresistive detector QRB... 171/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Connection terminals / coding of connectors 01.10.2003...
Page 172 Imax 1.5 mA PIN4 Power signal for control of controller AC 230 V +10 % / -15 %, 50...60 Hz, Imax 500 mA 172/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 10 Description of the connection terminals 01.10.2003...
Page 173 Wiring point for valves connected in series PIN1 Fuel valve V1 (oil) AC 230 V +10 % / -15 %, 50...60 Hz, 1 A, cos ϕ 0.4 173/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 10 Description of the connection terminals 01.10.2003...
Page 174 DC 14 / 21 VC Imax 100 mA PIN1 QRB... signal voltage max. DC 8 V X10-03 PIN1 Ionization probe Umax (X3-04-PINS) Imax. 0.5 mA 174/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 10 Description of the connection terminals 01.10.2003...
Page 175 Voltage input for setpoint or load (input 3, DC 0...10 V SETPOINT INPUT) PIN1 Power supply for setpoint changeover approx. DC 24 V max. 2 mA 175/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 10 Description of the connection terminals 01.10.2003...
Page 176 Functional earth for shield connection PIN2 Reference ground PIN3 Current output for burner load DC 4...20 mA, RLmax = 500 Ω (LOAD OUTPUT) 176/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 10 Description of the connection terminals 01.10.2003...
Page 177 • 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 178 230 V LMV5... basic unit Power trafo 1 7550a03e/0903 AGG5.2xx X3-04 Total length of CAN bus cable ≤ 100 m Note on example 1 178/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Mounting, electrical installation and service 01.10.2003...
Page 179 (Type1) to all the other actuators. The fuses required for transformer 1 are accommodated in the LMV5... basic unit. For transformer 2, these 3 fuses must be located close to the transformer. 179/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Mounting, electrical installation and service 01.10.2003...
Page 180 1) to all the other actuators (SA5) and the O2 module. The fuses required for transformer 1 are accommodated in the LMV52... basic unit. For transformer 2, the OEM must fit the 3 fuses in the vicinity of the transformer. 180/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Mounting, electrical installation and service 01.10.2003...
Page 181 (2 x SQM45.xxx) gives a maximum cable length of 33.4 m between the transformer and the group of actuators. The minimum cross-sectional area is 0.33 mm 181/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Mounting, electrical installation and service...
Page 182 AGG5.630 / 631 (cable type 2) LMV5... ↔ AZL5… Silver-grey RAL 7001 0.50 mm 0.50 mm 0.50 mm Shield Drilled pair 2 x 0.25 mm 182/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Mounting, electrical installation and service 01.10.2003...
Page 183 Fa. Karl Dungs GmbH & Co. e-bus / PC adapter Steuer- und Regeltechnik part no. 230 437 Postfach 1229 D-73602 Schorndorf User Club eBUS e.V. www.eBUS.de 183/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Mounting, electrical installation and service 01.10.2003...
Page 184 (e.g. EN 298, EN 230, EN 676, EN 267, etc.) or whether the respective plant can be approved on an “individual basis“. 184/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 12 Duties of the authorized inspector 01.10.2003...
Page 185 Pure oil burners do not require a magnetic clutch, in which case long preignition_Oil (from Phase 22) is to be parameterized, or parameter «OilPumpCoupling» is to be set to «Directcoupl». 185/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 12 Duties of the authorized inspector 01.10.2003...
Page 186 It must be made certain that all safety notes and the notes on mounting., electrical General installation and service according to the above mentioned chapter and Data Sheets are complied with. 186/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 12 Duties of the authorized inspector...
Page 187 Mechanical conditions Class 3M2 Temperature range (incl. mounting plate) -20...+60 °C Humidity < 95 % r.F. Condensation, formation of ice and ingress of water are not permitted! 187/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Technical data 01.10.2003...
Page 188 7.5 mm dia. ±0.2 mm bending radius: 113 mm ambient temperature: -30...+70 °C (cable not moving) cable jacket resistant to almost all types of mineral oil 188/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Technical data 01.10.2003...
Page 189 • Unit input current* (safety loop) max. 5 A * Total contact current resulting from: Fan motor contactor Ignition transformer Valves Oil pump / magnetic clutch 189/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Technical data 01.10.2003...
Page 190 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 LMV5...
Page 191 14 Dimensions Dimensions in mm LMV5... AZL5... 191/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 14 Dimensions 01.10.2003...
Page 192 (Key + main loop counter) unequal Internal Fault Basic Unit Internal Fault Basic Unit Unsuccessful synchronization of the 2 µCs 192/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 193 Internal Fault Basic Unit Fuel valve 1 oil feedback Internal Fault Basic Unit Fuel valve 2 oil feedback 193/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 194 Fault Positioning Actuator Positioning fault air actuator Fault Positioning Actuator Positioning fault fuel actuator 194/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 195 Check to see if correct values have been entered for the range controller parameters. Readjust O2 trim control, if required, or repeat the settings 195/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 196 Internal Fault Basic Unit With the switch instruction, no defined ratio control phase has been identified 196/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 197 A and Internal Fault Actuator Fault occurred on the active fuel actuator when comparing potentiometer channels A and B 197/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 198 Ignition Pos not defined Ignition position of auxiliary actuator 1 has not been parameterized 198/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 199 The diagnostic value is made up of the following faults or their combinations (the individual diagnostic codes are added up in hexadecimal format) 199/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 200 Check power supply to the actuators Speed Test was not successfully Internal VSD module speed test was not completed successful 200/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 201 Valve or Closed Position Closed Position Indicator (CPI) = on, but Indicator (CPI) open should have been off 201/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 202 Wrong contact position of ignition Check output wiring Internal Fault Basic Unit Wrong contact position of BV relay Check output wiring 202/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 203 Fault at deactivated inputs Deactivate input or do not connect Controller connected but Controller input connected but deactivated deactivated 203/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 204 Programstop active Program stop "STOP_INTERV1" in Phase 44 active Programstop active Program stop "STOP_INTERV2" in Phase 52 active 204/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 205 If fault cannot be rectified by the reset: Restore AZL… parameters. Otherwise, replace defective basic unit 205/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 206 Parameter Backup Restore Page is on WR_RESTO Reset the unit. A backup restore was made Parameter Backup Restore Page number 206/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 207 If fault cannot be rectified by the reset: Restore AZL… parameters. Otherwise, replace defective basic unit 207/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 208 Internal Fault Basic Unit Fault in "seterr()" Internal Fault Basic Unit Fault in "seterr()" Internal Fault Basic Unit Fault in "error_manager()" 208/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 209 Fault Feedback Gas (Oil) Key error main loop counter Actuator Fault Feedback Gas (Oil) No feedback for max. number Actuator 209/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 210 No feedback for max. number Fault Feedback Load Controller Basic unit has detected wrong state of the internal load controller 210/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 211 If fault occurs sporadically: Improve EMC on the air actuator when checking its If fault occurs constantly: Replace defective actuator feedback signal 211/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 212 CAN bus (CAN address are connected to the CAN bus and rectify (e.g. overflow) readdressing the actuators) 212/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 213 Temperature warning and shutdown Check housing temperature (max. 60 °C) Internal Fault Air Actuator Actuator turns in the wrong direction 213/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 214 If fault cannot be rectified by the reset: Restore AZL… parameters. Otherwise, replace defective basic unit 214/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 215 If fault occurs constantly: Replace defective actuator Type of fault: See diagnostic code See A1 See A1 See A1 See A1 See A1 215/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 216 Internal Fault Load Controller Max. number of EEPROM attempts exceeded Internal Fault Load Controller Fault during opening of page 216/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 217 Invalid phase during parameterization of the safety-related page P_STATUS Internal Fault Load Controller Invalid phase during parameterization of the safety-related page P_SYSTEM 217/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 218 Open-circuit Pt 100 Sensor (Line Open-circuit compensation line of sensor Check wiring and sensor Compens) PT100 (X60.2 X60.4) 218/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 219 Fault analog output, voltage deviation too great Internal Fault Load Controller Fault during resistance test PT100 input (X60) 219/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 220 Excessive voltage value or wrong polarity Check wiring of input. Check input voltage value voltage measurement input 2 (X61) 220/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 221 Internal Fault Load Controller TV smaller than min. value Internal Fault Load Controller TV larger than max. value 221/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 222 Internal Fault Load Controller Invalid branch in eeprom module() Internal Fault Load Controller Invalid branch in eeprom module() 222/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 223 Change to menu "OilSettings" Internal Fault AZL CAN queue fault Internal Fault AZL CAN overflow fault Internal Fault AZL CAN busoff 223/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 224 Internal Fault VSD Module Sync fault or CRC fault Internal Fault VSD Module Error code for main loop counter 224/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 225 If fault cannot be rectified by the reset: Restore AZL… parameters. Otherwise, replace defective basic unit 225/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 226 In response, the presettings will be ignored 226/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 227 Internal Fault O2 Module Fault during compensation element test Internal Fault O2 Module Fault during channel comparison of O2 signal 227/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 228 If fault cannot be rectified by the reset: Restore AZL5... parameters. Otherwise, replace defective O2 module 228/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 229 Fault during test of port outputs Internal Fault Basic Unit Fault when resetting the set outputs 229/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 230 O2 monitor. It led to automatic deactivation of O2 trim control or the O2 monitor 230/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 231 Fault Feedback VSD Module Key error main loop counter Fault Feedback VSD Module No feedback for max. number 231/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 232 Internal Fault Basic Unit Internal fault calculation of precontrol. Undefined value in the curves used for the calculation 232/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
Page 233 If fault occurs constantly: Replace defective module If fault occurs sporadically: Improve EMC. If fault occurs constantly: Replace defective module 233/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
Page 234 16 Addendum 2: Connection diagram 234/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 16 Addendum 2: Connection diagram 01.10.2003...
Page 235 VSD (deactivate / activate / air influen) Here, it is also selected whether the VSD shall be used in connection with O2 trim control. 235/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module...
Page 236 0 / 4...20 mA ≈ 0...105 % (→ «Standardization of Speed») Current: max. 750 Ω (burden), short-circuit-proof Output load: Resolution: 0,1 % ≥ 0,1 mm Cross-sectional area of wire: 236/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module 01.10.2003...
Page 237 1. Motor supplier: Version with threaded hole M8x15 Selection of fan motor 2. Standard motor plus extra machining (drilling hole and cutting thread M8x15) 237/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module...
Page 238 The configuration of the current / voltage interfaces of the VSD must be in accordance with the configuration of the LMV5x.2... VSD module. 238/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module...
Page 239 25 ms) → Value of 16 means 16 • Parameter: 25 ms = Settling Time (in x • 400 ms (0.4 s) 239/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module 01.10.2003...
Page 240 Pulse value oil The setting procedure for «Pulse Value Oil» is the same as that for «Pulse Value Gas», the selectable units being 1 l or 1 gal. 240/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module...
Page 241 Num Dev >0.5% The process data will only be stored in RAM, which means that they will be reset via reset or lockout reset. 241/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module...
Page 242 Pos. / Speed FUEL 10 % 0° 100 % 7550d07E_FU Load Change of load / position resulting from an automatically entered point 242/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module 01.10.2003...
Page 243 In operation, VSDs produce electromagnetic interference. For this reason - to ensure EMC of the entire system - the instructions provided by the manufacturers must be observed: Siemens Landis & Staefa: - Operating Instructions → EMC-compatible installation - Technical Brochure → Radio Interference...
Page 244 7550u01/0903 LOAD SET POINT TEMP./PRES. TEMP. TRAFO OUTPUT INPUT INPUT X63 1 X60 1 Pt100 X50 1 Pt / Ni 1000 244/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module 01.10.2003...
Page 245 Optional shield connection for rough environmental conditions For shielding the cables on the VSD, refer to the following pieces of documentation: • Siemens SED2 VSD Commissioning Instructions (CM1G5192en), chapters 4 and 7, or • Danfoss Operating Instructions VLT 6000 (MG60A703), chapter «Installation»...
Page 246 0 / 4...20 mA control of variable speed drive 0...20 mA 0/4-20mA Setpoint OUT RLmax = 750 Ω PIN5 Reference ground PIN6 Functional earth 246/278 Siemens Building Technologies Basisdokumentation LMV5x... CC1P7550de HVAC Products 17 Addendum 3: Variable speed drive (VSD) module 01.10.2003...
Page 247 QGO20... and 2 temperature sensors (Pt1000 / LG-Ni 1000). It communicates with the LMV52... via CAN bus. QGO20... Abgas- temperaturfühler Zuluft- temperaturfühler O2-Modul PLL... LMV52.200 247/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
Page 248 Effects such as the fan pressure’s impact on the amount of gas are taken into consideration. 248/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52...
Page 249 In the future, this can be checked with the ACS450 PC tool. Without the tool, the lambda factors can be calculated according to the above formula to be entered in a graph. 249/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52...
Page 250 (temperature pressure) changes. Air pressure and air density have no impact on the fuel throughput. Recommendation: With gas: like P air With oil: like theory 250/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
Page 251 / O monitor, use parameter setting «man deact». Also refer to subsection 18.4.4, Heating up the O2 sensor after «PowerOn». 251/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
Page 252 252/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
Page 253 Also refer to subsection 18.5.1, Delayed O2 min. value. 253/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
Page 254 O trim control must be manually reactivated. 254/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
Page 255 O trim control will be deactivated and the burner will be started up without O trim control. 255/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
Page 256 O monitor will be deactivated. The burner will be started up without O trim control. 256/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
Page 257 ⎞ ϑ ϑ ⎜ ⎜ • ⎟ ⎟ − Abgas Zuluft − ⎝ ⎠ GehaltLuft η − Efficiency: 257/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
Page 258 Make protective earth connection between the two housing sections. X 87 X 86 X 85 X 84 Temporary connection of AZL5... 258/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
Page 259 Power supply neutral conductors (N) PIN 6 L Power supply live conductor (L) AC230V +10%/-15%, 50...60Hz, Imax. 2.5 A 259/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
Page 260 * Bus CANH connection green/grn green/grn X4.4 CANL CANL CANL CANL black/blk black/blk X4.5 Signal reference (PELV) GND 260/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
Page 261 The flue gas temperature sensor connected to terminal X86 must be parameterized. Parameter: Flue gas temperature sensor (NoSensor, Pt1000, LG-Ni1000) 261/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
Page 262 For firing on oil, there are 2 preprogrammed types of fuel available, plus 1 type that can be defined by the user. Parameter: Type of Fuel (user def, LightOilLO, LightOilHO) 262/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
Page 263 9 ≈ 0.009 9 ≈ 0.009 8 ≈ 0.008 8 ≈ 0.008 7 ≈ 0.007 7 ≈ 0.007 B/1000 263/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
Page 264 After setting all O min. values, the O monitor can be activated. The setting can be made in 2 different ways. 264/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
Page 265 «Actual Value» will be entered as the «O Min Value» by pressing ENTER. 265/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
Page 266 The setting may only be confirmed after a constant value has been attained. The PC tool will be useful for making checks. Now, the operator must decide whether he wants to adopt or reject the settings. 266/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52...
Page 267 «Controller parameters» menu, and changed, if required. The O2 setpoint must lie at least 0.5 % above the O2 min. value and 1 % below the O2 ratio value. 267/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52...
Page 268 If, in the low-fire position, no further air reduction is possible (e.g. because the air damper has already fully closed), curvepoint 1 must be selected as the low-fire point. In that case, O2 trim control will only be performed up to curvepoint 2. 268/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52...
Page 269 Irregularities should be avoided. Frequenzumrichter Klappe Leistung (%) ____ Good ------ Poor 269/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
Page 270 If this is not observed, the fan speed has an impact on the amount of oil delivered. This can cause problems in connection with precontrol or O trim control. 270/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
Page 271 -20...+60 °C Humidity < 95 % r.h. Condensation, formation of ice or ingress of water are not permitted! 271/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
Page 272 Analog inputs Flue gas temperature sensor Pt1000 / LG-Ni 1000 QGO20... refer to Data Sheet N7842 Interface communication bus for LMV52... Dimensions Dimensions in mm PLL52... 41,5 41,5 272/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 19 Dimensions 01.10.2003...
Page 273 «DWminOil» in program «Heavy oil with gas pilot» Valuation of input «DWminOil» in program «Heavy oil with gas pilot» has been moved from Phase 38 to Phase 44. 273/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 20 Revision history...
Page 274 Operating mode 6 → → intLC Operating mode 1 = Ext LC X5- 20.2.3 With software version V01.50 or higher, Pt100 sensors in operating mode 6 are permitted 274/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 20 Revision history 01.10.2003...
Page 275 Hence, the type references indicate the state of release and show the unit versions that work together. 20.3.1 Software changes to the flash memory The software version of the flash memory has been changed from V02.20 to V02.50. 275/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 20 Revision history 01.10.2003...
Page 276 Too short ramp time, auxiliary actuator 1 • Too short ramp time, auxiliary actuator 2 only LMV52... • Too short ramp time, auxiliary actuator 3 only LMV52... 276/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 20 Revision history 01.10.2003...
Page 277 187, 271 Installation Technical data interface temperature limiter function 82, 165 interface for BACS time parameter Interface for LMV52... systems writing parameter Legend to fuel trains 277/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 20 Revision history 01.10.2003...
Page 278 © 2003 Siemens Building Technologies Siemens Building Technologies AG Subject to change! Landis & Staefa Division Berliner Ring 23 D-76437 Rastatt Tel. 0049-7222-598-0 Fax 0049-7222-53182 www.landisstaefa.com 278/278 江阴市丰源热能技术有限公司　　ｈｔｔｐ：／／ｗｗｗ．ｆｅｎｇｙｕａｎｂｕｒｎｅｒ．ｃｏｍ　　　　０５１０－８６８０３７４２...

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Siemens LMV5 Series Basic Documentation

Fuel Train Applications (Examples)

Burner Control

Fuel / Air Ratio Control (FARC)

Temperature or Pressure Controller (Internal Load Controller LC)

Display and Operating Unit AZL5

Commissioning Instructions for the LMV5

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