Siemens LME71.000A1 - Page 4

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Building Technologies Division Basic Documentation LME7… CC1P7105en

Infrastructure & Cities Sector Safety notes 29.11.2011

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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