Siemens LMV36.520A1 - Limitation of Modulation Range

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Building Technologies Division Basic documentation LMV36... CC1P7544en

Infrastructure & Citiies Sector 11 Electronic fuel-air ratio control 25.09.2013

11.3.5 Limitation of modulation range

If the modulation range shall be further restricted from 20 to 100% against the defined

curve, 4 parameters are available to define a new low-fire and high-fire position.

No. Parameter

545

Lower output limit

undefined = 20 %

565

Fuel 1: Lower output limit

undefined = 20 %

546 Upper output limit

undefined = 100 %

566 Fuel 1: Upper output limit

undefined = 100 %

20 % Low-fire

Lower output

limit P545

Upper output

limit P546

100 % High-fire

VSD

Figure 75: Restriction of modulation range

Main Page

Default Chapter5
- Table of Contents5
1 Safety Notes12
- Warning Notes12
- Mounting Notes14
- Lmv3614
- Agm6015
- Installation Notes16
- Use of the AGM6017
- Electrical Connections of LMV3617
- Lmv3617
- Agm6018
- Electrical Connection of Flame Detectors18
- Commissioning Notes19
- Notes on Settings and Parameter Settings21
- Standards and Certificates22
- Service Notes22
- Life Cycle22
- Disposal Notes22
2 Makeup of Structure / Function Description23
- Lmv3623
- For North American23
- General Information24
- Agm6025
- Electrical Connections of Fuel Actuators25
- Continuous Operation26
- Fuel Changeover26
- Extra Fuel Selector26
3 Type Summary27
- Lmv3627
- Agm6027
- Fuel Selector27
4 Technical Data28
- Lmv3628
- Terminal Loading Inputs28
- Terminal Loading Outputs29
- Analog Output / Load Output X74 Pin 329
- Cable Lengths30
- Cross-Sectional Areas30
- Connections of Actuators30
- Signal Cable AGV5031
- Environmental Conditions31
- Flame Detectors32
- Ionization Probe32
- UV Flame Detectors QRA2 / QRA4 / QRA1034
- Photoresistive Flame Detectors QRB35
- Switch Unit AGM6036
- Terminal Output Inputs37
- Terminal Output Outputs37
- Cable Lengths38
- Cross-Sectional Areas38
- Electrical Connections of Actuators38
- Environmental Conditions38
5 Dimensions39
- Lmv3639
- Agm6040
6 Display and Diagnostics41
7 Basic Unit42
- Description of Inputs and Outputs42
- Flame Detectors43
- Loss of Flame44
- Extraneous Light44
- No Flame at the End of Safety Time (TSA)45
- Flame Intensity45
- Supervision of Flame Detector45
- Digital Inputs46
- Safety Loop X3-04 (Optional Pressure Switch-Max (Pmax)), Pin 1 and 246
- (Burner Flange) X3-03, Pin 1 and 247
- Input for External Controller (on / OFF) X5-03, Pin 147
- Air Pressure Switch (APS) X3-0248
- Gas Pressure Switch for Gas Valve Proving (P LT) X9-0449
- Gas Pressure Switch-Min (Pmin), Start Release Gas X5-0150
- Oil Pressure Switch-Min (Pmin) X9-04 (X5-01 on AGM6051
- Setting the Time for Checking the Pressure Switch52
- Gas / Oil Pressure Switch-Max (Pmax) / or POC Contact, Start Release Oil X5-0253
- Fuel Selection56
- Reset X8-04, Pin 156
- Digital Outputs57
- Output Alarm Type No-SI X3-05 Pin 257
- Fan Motor Contactor Type si X3-05, Pin 157
- Fan Continuous Purging X3-05, Pin 357
- Output Ignition (Z) Type si (IGNITION) X4-0258
- Outputs Fuel Valves Type si (V159
- Output Safety Valve (SV) Type si X6-03 / Magnetic Clutch61
- Output for Indication of Operation X8-04 Pin 261
- Program Sequence62
- Time Parameters62
- Valve Proving64
- Valve Proving with Separate Pressure Switch (P LT) X9-0465
- Valve Proving Via Gas Pressure Switch-Min X5-0166
- Lockout Phase (Phase 00)66
- Safety Phase (Phase 02)67
- Special Functions During the Program Sequence68
- Reset / Manual Lockout68
- Alarm Upon Prevention of Startup70
- Possible Preventions of Startup70
- Repetition Counter71
- Start Without Prepurging (as Per en 676)73
- Gas Shortage Program74
- Program Stop Function75
- Forced Intermittent Operation (<24 Hours)75
- Low-Fire Shutdown75
- Continuous Fan76
- Test Function for Burner Approval - Loss-Of-Flame Test (TÜV Test)77
- Purging in the Lockout Position78
- Fuel Trains (Application Examples)79
- Sequence Diagrams88
- Gas Direct Ignition "G", "G Mod", "G Mod Pneu89
- Gas Pilot Ignition 1 "Gp1", "Gp1 Mod", "Gp1 Mod Pneu90
- Gas Pilot Ignition 2 "Gp2", "Gp2 Mod", "Gp2 Mod Pneu91
- Light Oil Direct Ignition "Lo", "Lo Mod", "Lo 2-Stage", "Lo 3-Stage92
- Light Oil Pilot Ignition "Lo Gp93
- Legend to Sequence Diagrams94
- Legend to the Sequence Diagrams94
8 Agm6097
- System with AGM6097
- Connecting Cable between AGM6098
9 Selection of Operating Mode99
- Deleting Curves102
10 Connection to Load Controllers103
- Controller-On Contact X5-03 Pin 1103
- Load Controller Via BAC System X92103
- Manual Output105
- Output with Curve Settings105
- External Load Controller Via Analog Input X64 Pin 1 / X64 Pin 2106
- Thresholds for Modulating Operation106
- Switching Thresholds for Multistage Operation107
- Prioritization of Power Sources108
- Emergency Operation with Several Load Controllers108
11 Electronic Fuel-Air Ratio Control109
- General109
- Behavior Outside the Operating Positions109
- Traveling Speed109
- Home Position109
- Prepurging110
- Ignition110
- Postpurging110
- Modulating Operation111
- Definition of Curves111
- Traveling Speed/Maximum Curve Slope112
- Entering the Running Position113
- Operating Position113
- Limitation of Modulation Range114
- Setting the Minimum and Maximum Output115
- Multistage Operation116
- Definition of Curves116
- Traveling Speed116
- Adjustment of Output117
- Entering the Operating Position117
- Operating Position117
- Limitation of Modulation Range118
- End of Operating Position118
- Notes on Settings and Parameter Settings119
12 Actuators X53 / X54120
- Function Principle120
- Definition of Angles120
- Referencing121
- Reference Run123
- Direction of Rotation125
- Monitoring the Actuator Positions126
- Changing the Error Detection Band for Monitoring the Actuator Positions128
- Forced Travel128
- Detection of Line Interruptions128
- Protection against Mixup of Actuator129
- Proposal for Implementation129
13 Fan Control130
- Function Principle130
- Activation of VSD/PWM Fan130
- VSD Control X74 Pin 3131
- PWM Fan Control X64 Pin 3132
- Safe Separation of Mains Voltage and Protective Extra Low-Voltage132
- Ramp Time132
- Acquisition of Speed133
- Acquisition of Speed with Proximity Switch133
- Acquisition of Speed with Hall Generator134
- Speed Control135
- Speed Supervision136
- Setting the Parameters of the VSD137
- Standardization of Speed138
- Control of Fan Motor with Pneumatic Fuel-Air Ratio Control140
- EMC of LMV36141
- Description of Connection Terminals142
- Vsd142
- PWM Fan142
14 Load Output X74 Pin 3143
- Safe Separation of Mains Voltage and Extra Low-Voltage143
- Modulating Operation143
- 2-Stage Operation143
- 3-Stage Operation144
15 Fuel Meter Input X75 Pin 1 / X75 Pin 2145
- Configuration of Fuel Meter145
- Types of Fuel Meters145
- Configuration of Pulses Per Volume Unit145
- Reading and Resetting the Meter Readings145
- Fuel Throughput146
- Configuration146
- Reading out the Fuel Throughput146
16 Connection and Internal Diagram147
17 Special Feature: Burner Identification (ID)148
18 Connection to Superposed Systems148
- General Information and Building Automation Functions148
- Modbus150
19 PC Software ACS410151
20 Error History152
- Error Classes152
- Makeup of Error History153
21 Lifecycle Function154
22 Safety Notes on Use of the AZL2154
23 Operating the AZL2155
- Description of Unit/Display and Buttons155
- Meaning of Symbols on the Display156
- Brightness of Display156
- Special Functions157
- Manual Lockout157
- Manual Control (Manual Request for Output)157
- Timeout for Menu Operation158
- Backup / Restore159
- Backup160
- Restore162
24 Operation of Basic Unit Via the AZL2164
- Normal Display164
- Display in Standby Mode164
- Display During Startup / Shutdown164
- Display of Program Phases164
- Display of Program Phase with Remaining Running Time until End of the Phase Is Reached164
- List of Phase Displays165
- Display of Operating Position166
- Fault Status Messages, Display of Errors and Info167
- Display of Errors (Faults) with Lockout167
- Reset167
- Activating Info / Service Mode from Lockout167
- Error with Safety Shutdown168
- General Information168
- Prevention of Startup168
- Safety Loop168
25 Menu-Driven Operation169
- Assignment of Levels169
26 Info Level170
- Display of Info Level172
- Display of Info Values (Examples)172
- Identification Date172
- Identification Number172
- Burner Identification173
- Number of Startups Resettable173
- Total Number of Startups174
- End of Info Level174
27 Service Level175
- Display of Service Level175
- Display of Service Values (Example)176
- Number of Faults176
- Error History176
- Intensity of Flame176
- End of Service Level176
28 Parameter Level177
- Entry of Password178
- Entry of Burner Identification180
- Change of Heating Engineer's Password181
- Change of Oem's Password182
- Use of Parameter Level182
- Structure of Parameter Levels183
- Parameters Without Index, with Direct Display184
- Using the Example of Parameter 208: Program Stop184
- Parameters Without Index, with no Direct Display (with Parameters Having a Value Range >5 Digits)186
- Using the Example of Parameter 162: Operating Hours Resettable186
- Parameter with Index, with Direct Display188
- Using the Example of Parameter 501: No-Flame Positions Fuel Actuator188
- Parameters with Index, with no Direct Display190
- Using the Example of Parameter 701: Errors190
- Fuel-Air Ratio Curves - Settings and Commissioning193
- Initial Commissioning193
- Setting Curvepoints P0 and P9 for Modulating Operation ("G Mod", "Gp1 Mod", "Gp2 Mod" and "Lo Mod")196
- Setting Curvepoints P0 and P9 for "G Mod Pneu", "Gp1 Mod Pneu" and "Gp2 Mod Pneu197
- Warm Settings for Modulating Operation198
- Mod" and "Lo Mod")198
- Warm Settings for Modulating Mode ("G Mod Pneu", "Gp1 Mod Pneu" and "Gp2 Mod Pneu")203
- Cold Settings for "G Mod", "Gp1 Mod", "Gp2 Mod" and "Lo Mod203
- Cold Settings for "G Mod Pneu", "Gp1 Mod Pneu" and "Gp2 Mod Pneu203
- Interpolation of Curvepoints204
- Interpolating the Curvepoints205
- Setting of Curvepoints for Multistage Mode ("Lo 2-Stage" and "Lo 3- Stage")208
- Warm Settings for "Lo 2-Stage" and "Lo 3-Stage209
- Cold Settings for Multistage Mode ("Lo 2-Stage" and "Lo 3-Stage")213
- Intensity of Flame During Curve Settings213
29 Parameter List LMV36214
30 Error Code List231
31 Revision History of Basic Unit LMV36244
32 List of Figures246

Siemens LMV36.520A1 - Limitation of Modulation Range

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