Siemens LME73.000A1 User Manual

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Software version 02.00

CC1P7105en

29.11.2011

Building Technologies Division

Infrastructure & Cities Sector

LME7…

Burner control

Basic Documentation

The LME7… and this Basic Documentation are intended for use by OEMs which

integrate the burner controls in their products.

Table of Contents

Default Chapter5
- Table of Contents5
1 Safety Notes13
- Warning Notes13
- Mounting Notes15
- Installation Notes16
- Electrical Connection of Flame Detectors17
- Commissioning Notes18
- Standards and Certificates19
- Lifetime19
- Disposal Notes19
- Typographical Conventions20
- Safety Notes20
2 System Makeup/Function Description21
- Features22
3 Type Summary23
- Burner Controls23
- Program Module24
- External Display and Operating Units26
- Flame Detectors26
- Actuators27
- Pressure Switch27
- Dummy Plugs for RJ1128
- Connector Sets for LME728
- Service- Tools28
- Test Case and Accessories29
4 Technical Data30
- Basic Unit LME730
- Terminal Rating Inputs30
- Terminal Rating Outputs31
- Cable Lengths32
- Actuators32
- Cross-Sectional Areas32
- Signal Cable AGV5033
- Azl233
- Dummy Plug for RJ1133
- Environmental Conditions33
- Flame Supervision34
- Ionization Probe34
- Flame Detector QRA236
5 Dimensions37
6 Function38
- Preconditions for Burner Startup38
- Undervoltage38
- Controlled Intermittent Operation38
- Control Sequence in the Event of Fault39
- Resetting the Burner Control39
- Limitation of Repetitions (Can be Parameterized)40
  - Parameter 240)40
- Parameter 240/240.0040
- Parameter 240.0140
7 Operation, Indication, Diagnostics41
- Operation41
- Indication of Operating State41
- Diagnostics of Cause of Fault42
8 Inputs/Outputs44
9 Basic Unit45
- Description of Inputs and Outputs45
- Digital Input46
- Safety Loop X3-04, Terminal 1 and 246
- Input for External Controller (ON/OFF) X5-03, Terminal 146
- Air Pressure Switch X3-0247
10 Pme71.40148
- Program Sequence PME71.40148
- Connection Diagrams for Fuel Train Applications (Examples)50
- Gas Direct Ignition (G), 1-Stage50
- Gas Direct Ignition (G), 2-Stage50
- Time Table and Settings for Program Sequence PME71.40151
- Lme71.00052
- Parameter List PME71.40153
11 Pme71.40255
- Program Sequence PME71.40255
- Connection Diagrams for Fuel Train Applications (Examples)57
- Gas Direct Ignition (G), 1-Stage57
- Gas Pilot Ignition 1 (Gp1/1), 1-Stage57
- Time Table and Settings for Program Sequence PME71.40258
- Lme71.00059
- Parameter List PME71.40260
12 Pme71.90163
- Program Sequence PME71.90163
- Connection Diagrams for Fuel Train Applications (Examples)65
- Gas Direct Ignition (G), 1-Stage65
- Gas Direct Ignition (G), 1-Stage and Valve Proving65
- Gas Valve Proving66
  - Valve Proving with Separate Pressure Switch66
  - Valve Proving - Calculation of Leakage Rate67
- Time Table and Settings for Program Sequence PME71.90168
- Lme71.00069
- Parameter List PME71.90170
13 Pme72.52175
- Program Sequence PME72.52175
- Connection Diagrams for Fuel Train Applications (Examples)77
- Gas Direct Ignition (G), 1-Stage77
- Gas Direct Ignition 1 (Gp1/1), 2-Stage77
- Connection Diagram for LME72.00078
- Connection Diagram for LME72.00079
- Time Table and Settings for Program Sequence PME72.52180
- Lme72.00081
- Parameter List PME72.52182
14 Pme72.54184
- Program Sequence PME72.54184
- Connection Diagrams for Fuel Train Applications (Examples)86
- Gas Direct Ignition (G), 1-Stage86
- Gas Pilot Ignition 1 (Gp1/1), 1-Stage86
- Connection Diagram for LME72.00087
- Connection Diagram for LME72.00088
- Time Table and Settings for Program Sequence PME72.54189
- Lme72.00090
- Parameter List PME72.54191
15 Pme73.81093
- Program Sequence PME73.81093
- Connection Diagrams for Fuel Train Applications (Examples)95
- Gas Direct Ignition (G), 1-Stage95
- Gas Direct Ignition (G), 2-Stage95
- Gas Direct Ignition (G), 1-Stage, with Valve Proving96
- Gas Direct Ignition (G), 2-Stage, with Valve Proving96
- Gas Valve Proving97
  - Valve Proving with Separate Pressure Switch97
  - Valve Proving - Calculation of Leakage Rate98
- Connection Diagram for LME73.00099
- Time Table and Settings for Program Sequence PME73.810100
- Lme73.000101
- Parameter List PME73.810102
16 Pme73.820105
- Program Sequence PME73.820105
- Connection Diagrams for Fuel Train Applications (Examples)107
- Gas Direct Ignition (G), 1-Stage107
- Gas Direct Ignition 1 (G), 2-Stage107
- Gas Direct Ignition 1 (G), 1-Stage, with Valve Proving108
- Gas Direct Ignition (G), 2-Stage, with Valve Proving108
- Gas Valve Proving109
  - Valve Proving with Separate Pressure Switch109
  - Valve Proving - Calculation of Leakage Rate110
- Connection Diagram for LME73.000111
- Connection Diagram for LME73.000112
- Time Tables and Settings for Program Sequence PME73.820113
- Lme73.000114
- Parameter List PME73.820115
17 Pme73.830118
- Program Sequence PME73.830118
- Connection Diagrams for Fuel Train Applications (Examples)120
- Gas Direct Ignition (G), 1-Stage120
- Gas Pilot Ignition 1 (Gp1/1), 1-Stage120
- Gas Pilot Ignition 1 (Gp1/2), 1-Stage, with Valve Proving121
- Gas Direct Ignition 1 (Gp1/2), 1-Stage, with Valve Proving121
- Gas Valve Proving122
  - Valve Proving with Separate Pressure Switch122
  - Valve Proving - Calculation of Leakage Rate123
- Connection Diagram for LME73.000124
- Time Table and Settings for Program Sequence PME73.830125
- Lme73.000126
- Parameter List PME73.830127
18 Pme73.831130
- Program Sequence PME73.831130
- Connection Diagrams for Fuel Applications (Examples)135
- Gas Direct Ignition (G), 1-Stage, Without Valve Proving135
- Gas Pilot Ignition 2 (Gp2), 1-Stage, Without Valve Proving, Simultaneously Ignition Burner135
- Gas Pilot Ignition 1 (Gp1), 1-Stage, with Valve Proving, Alternate Burning Ignition Burner136
- Gas Direct Ignition 1 (G), 1-Stage, with Valve Proving136
- Valve Proving of Gas Valves137
  - Valve Proving with Separate Pressure Switch137
  - Valve Proving - Calculation of Leakage Rate138
- Connection Diagram for LME73.000139
- Connection Diagram for LME73.000140
- Time Table and Settings for Program Sequence PME73.831141
- Lme73.000143
- Parameter List PME73.831144
19 Pme73.840148
- Program Sequence PME73.840148
- Connection Diagrams for Fuel Train Applications (Examples)150
- Gas Direct Ignition (G), 1-Stage150
- Gas Pilot Ignition 1 (Gp1/1), 1-Stage150
- Gas Pilot Ignition 1 (Gp1/2), 1-Stage, with Valve Proving151
- Gas Direct Ignition 1 (Gp1/2), 1-Stage, with Valve Proving151
- Gas Valve Proving152
  - Valve Proving with Separate Pressure Switch152
  - Valve Proving - Calculation of Leakage Rate153
- Connection Diagram for LME73.000154
- Connection Diagram for LME73.000155
- Time Table and Settings for Program Sequence PME73.840156
- Lme73.000157
- Parameter List PME73.840158
20 Legend161
21 Multistage or Modulating Mode163
- Relevant Parameters163
- Connection Diagram for Feedback Potentiometer ASZ12.33163
- Connection Diagram for Load Controller164
- Actuators164
- Function164
- Load Controller Inputs165
- 3-Position Step Input X5-03165
- Analog Input X65165
- Selection Source Preset Output Analog/3-Position Step Input (P654)165
- Actuator Output X2-09165
- Setting the Maximum Running Time of the Actuator (P259/P260 Timeout)165
- Multistage/Modulating Mode Via 3-Position Step Input X5-03166
- Maximum Possible Resolution166
- Modulating Mode Via Analog Input Signal X65166
- Standardization of Modulation Range166
- Setting the Minimum Power Control Step (Dead Band) (P123) in Modulating Mode Via Analog Input Signal X65167
22 Safety Notes Relating to Operation of AZL2168
- Building Technologies Division Basic Documentation LME7169
23 Operation Via AZL2169
- Description of the Unit/Display and Buttons169
- Meaning of Symbols on the Display170
- Special Functions170
- Manual Lockout170
- Operation171
- Normal Display171
- Display in Standby Mode171
- Display During Startup/Shutdown171
  - Display of Program Phases171
  - List of Phase Display (Display Depending on Program)172
- Display of Operating Position173
- Fault Status Messages, Display of Errors and Info174
  - Display of Errors (Faults) with Lockout174
  - Reset174
- Menu-Driven Operation175
- Assignment of Levels175
- Info Level176
- Display of Info Level177
- Display of Info Values177
- Identification Date177
- Identification Number177
- Identification of Burner178
- Number of Startups Resettable179
- Total Number of Startups180
- End of Info Level180
- Service Level181
- Display of the Service Level181
- Display of Service Values182
- Error History182
- Mains Voltage182
- Intensity of Flame182
- End of Service Level182
- Parameter Level183
- Entering the Password184
- Changing the Heating Engineer's Password186
- Changing the Oem's Password187
- Backup188
- Restore190
- Operating Variants of the Parameters192
- Parameters Without Index, with Direct Display192
- Example of Parameter 225 (Prepurge Time) on the Parameter Level192
- Parameters Without Index, with no Direct Display194
- Example of Parameter 224 (Specified Time Air Pressure Switch) on the Parameter Level194
- Parameters with Index, with or Without Direct Display196
- Example of Parameter 701: Actual Error on the Service Level196
24 Error Code List with Operation Via External AZL2199
25 Operation Via Internal LED201
- Description of Display and Buttons201
- Normal Display202
- Display in Standby Mode202
- Display During Startup/Shutdown202
- Display of Program Phases202
- List of Phase Display203
- Display of Operating Position205
- Special Functions205
- Manual Lockout205
- Fault Status Messages, Display of Errors206
- Display of Errors (Faults) with Lockout206
- Display of Flame Current ION or QRA207
- Reset207
- Display of Flame Current QRB208
- Display of Preset Output209
- Manual Adjustment (Depending on Program Module)210
- Position of Actuator or Speed of PWM Fan in Modulating Operation with Analog Signal210
- First Startup with a New Program Module or in Case of Replacement of Program Module213
- Manual Backup215
- Error During Backup Process216
- Manual Restore217
- Errors During the Restore Process218
- Reset218
26 Error Code List with Operation Via Internal LED219
27 PWM Settings221
- Relevant Parameters221
- PWM Control Parameters223
- PWM Safety Parameters224
- Initial PWM Parameter Settings225
- Initial Settings of PWM Basic Parameters225
  - Prerequisites225
  - Operating Steps225
- Reading the Value of Parameter 920 in the Prepurge Phase (P30) and Ignition Load Phase (P38, P40 and P44)228
  - Procedure228
- Final Settings of PWM Safety Parameters229
- Setting Safety Parameters 675.00/675.01 and Checking the Safety Settings under Worst-Case Conditions231
- Matching the Working Points "Speeds for Low-Fire (P1), Ignition Load (P0) and High-Fire (P2) for the Heating Engineer to the Application232
  - Prerequisites232
- Via the Onboard Operating Panel of the LME7233
- Via the AZL2234
- Overview of PWM Fan Parameters (Value Range Refers to PME71.901)236
28 List of Figures242

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Siemens LME73.000A1 Specifications

General

Type	LME73.000A1
Mounting Type	DIN rail
Mains frequency	50/60 Hz
Protection class	IP40
Rated operational voltage	230 V AC
Input Voltage	230 V AC
Mains voltage	230 V AC
Flame detector	UV or ionization
Burner type	Gas or oil
Standards	EN 298
Utilization category	AC-1

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