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Siemens LME7 Series Basic Documentation
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Building Techn
ologies Division
Basic Documenta
tion LME7...
CC1P7105en
Infrastructur
e & Cities S
ector
25 Oper
ation via inte
rnal LED
29.11.2011
25.7.1
Error during backup process
Alternately
Display shows
alternately
bAC
and
Er3
.
For meaning of a possible cause, see chapter
Error code list
with operation via internal LED
.
Note:
During backup, all settings and parameters are transferred from the basic unit’s memory to the
memory of the program module.
215
217
Table of Contents
Default Chapter
5
Table of Contents
5
1 Safety Notes
13
Warning Notes
13
Mounting Notes
15
Installation Notes
16
Electrical Connection of Flame Detectors
17
Commissioning Notes
18
Standards and Certificates
19
Lifetime
19
Disposal Notes
19
Typographical Conventions
20
Safety Notes
20
2 System Makeup/Function Description
21
Features
22
3 Type Summary
23
Burner Controls
23
Program Module
24
External Display and Operating Units
26
Flame Detectors
26
Actuators
27
Pressure Switch
27
Dummy Plugs for RJ11
28
Connector Sets for LME7
28
Service- Tools
28
Test Case and Accessories
29
4 Technical Data
30
Basic Unit LME7
30
Terminal Rating Inputs
30
Terminal Rating Outputs
31
Cable Lengths
32
Actuators
32
Cross-Sectional Areas
32
Signal Cable AGV50
33
Azl2
33
Dummy Plug for RJ11
33
Environmental Conditions
33
Flame Supervision
34
Ionization Probe
34
Flame Detector QRA2
36
5 Dimensions
37
6 Function
38
Preconditions for Burner Startup
38
Undervoltage
38
Controlled Intermittent Operation
38
Control Sequence in the Event of Fault
39
Resetting the Burner Control
39
Limitation of Repetitions (Can be Parameterized)
40
Parameter 240)
40
Parameter 240/240.00
40
Parameter 240.01
40
7 Operation, Indication, Diagnostics
41
Operation
41
Indication of Operating State
41
Diagnostics of Cause of Fault
42
8 Inputs/Outputs
44
9 Basic Unit
45
Description of Inputs and Outputs
45
Digital Input
46
Safety Loop X3-04, Terminal 1 and 2
46
Input for External Controller (ON/OFF) X5-03, Terminal 1
46
Air Pressure Switch X3-02
47
10 Pme71.401
48
Program Sequence PME71.401
48
Connection Diagrams for Fuel Train Applications (Examples)
50
Gas Direct Ignition (G), 1-Stage
50
Gas Direct Ignition (G), 2-Stage
50
Time Table and Settings for Program Sequence PME71.401
51
Lme71.000
52
Parameter List PME71.401
53
11 Pme71.402
55
Program Sequence PME71.402
55
Connection Diagrams for Fuel Train Applications (Examples)
57
Gas Direct Ignition (G), 1-Stage
57
Gas Pilot Ignition 1 (Gp1/1), 1-Stage
57
Time Table and Settings for Program Sequence PME71.402
58
Lme71.000
59
Parameter List PME71.402
60
12 Pme71.901
63
Program Sequence PME71.901
63
Connection Diagrams for Fuel Train Applications (Examples)
65
Gas Direct Ignition (G), 1-Stage
65
Gas Direct Ignition (G), 1-Stage and Valve Proving
65
Gas Valve Proving
66
Valve Proving with Separate Pressure Switch
66
Valve Proving - Calculation of Leakage Rate
67
Time Table and Settings for Program Sequence PME71.901
68
Lme71.000
69
Parameter List PME71.901
70
13 Pme72.521
75
Program Sequence PME72.521
75
Connection Diagrams for Fuel Train Applications (Examples)
77
Gas Direct Ignition (G), 1-Stage
77
Gas Direct Ignition 1 (Gp1/1), 2-Stage
77
Connection Diagram for LME72.000
78
Connection Diagram for LME72.000
79
Time Table and Settings for Program Sequence PME72.521
80
Lme72.000
81
Parameter List PME72.521
82
14 Pme72.541
84
Program Sequence PME72.541
84
Connection Diagrams for Fuel Train Applications (Examples)
86
Gas Direct Ignition (G), 1-Stage
86
Gas Pilot Ignition 1 (Gp1/1), 1-Stage
86
Connection Diagram for LME72.000
87
Connection Diagram for LME72.000
88
Time Table and Settings for Program Sequence PME72.541
89
Lme72.000
90
Parameter List PME72.541
91
15 Pme73.810
93
Program Sequence PME73.810
93
Connection Diagrams for Fuel Train Applications (Examples)
95
Gas Direct Ignition (G), 1-Stage
95
Gas Direct Ignition (G), 2-Stage
95
Gas Direct Ignition (G), 1-Stage, with Valve Proving
96
Gas Direct Ignition (G), 2-Stage, with Valve Proving
96
Gas Valve Proving
97
Valve Proving with Separate Pressure Switch
97
Valve Proving - Calculation of Leakage Rate
98
Connection Diagram for LME73.000
99
Time Table and Settings for Program Sequence PME73.810
100
Lme73.000
101
Parameter List PME73.810
102
16 Pme73.820
105
Program Sequence PME73.820
105
Connection Diagrams for Fuel Train Applications (Examples)
107
Gas Direct Ignition (G), 1-Stage
107
Gas Direct Ignition 1 (G), 2-Stage
107
Gas Direct Ignition 1 (G), 1-Stage, with Valve Proving
108
Gas Direct Ignition (G), 2-Stage, with Valve Proving
108
Gas Valve Proving
109
Valve Proving with Separate Pressure Switch
109
Valve Proving - Calculation of Leakage Rate
110
Connection Diagram for LME73.000
111
Connection Diagram for LME73.000
112
Time Tables and Settings for Program Sequence PME73.820
113
Lme73.000
114
Parameter List PME73.820
115
17 Pme73.830
118
Program Sequence PME73.830
118
Connection Diagrams for Fuel Train Applications (Examples)
120
Gas Direct Ignition (G), 1-Stage
120
Gas Pilot Ignition 1 (Gp1/1), 1-Stage
120
Gas Pilot Ignition 1 (Gp1/2), 1-Stage, with Valve Proving
121
Gas Direct Ignition 1 (Gp1/2), 1-Stage, with Valve Proving
121
Gas Valve Proving
122
Valve Proving with Separate Pressure Switch
122
Valve Proving - Calculation of Leakage Rate
123
Connection Diagram for LME73.000
124
Time Table and Settings for Program Sequence PME73.830
125
Lme73.000
126
Parameter List PME73.830
127
18 Pme73.831
130
Program Sequence PME73.831
130
Connection Diagrams for Fuel Applications (Examples)
135
Gas Direct Ignition (G), 1-Stage, Without Valve Proving
135
Gas Pilot Ignition 2 (Gp2), 1-Stage, Without Valve Proving, Simultaneously Ignition Burner
135
Gas Pilot Ignition 1 (Gp1), 1-Stage, with Valve Proving, Alternate Burning Ignition Burner
136
Gas Direct Ignition 1 (G), 1-Stage, with Valve Proving
136
Valve Proving of Gas Valves
137
Valve Proving with Separate Pressure Switch
137
Valve Proving - Calculation of Leakage Rate
138
Connection Diagram for LME73.000
139
Connection Diagram for LME73.000
140
Time Table and Settings for Program Sequence PME73.831
141
Lme73.000
143
Parameter List PME73.831
144
19 Pme73.840
148
Program Sequence PME73.840
148
Connection Diagrams for Fuel Train Applications (Examples)
150
Gas Direct Ignition (G), 1-Stage
150
Gas Pilot Ignition 1 (Gp1/1), 1-Stage
150
Gas Pilot Ignition 1 (Gp1/2), 1-Stage, with Valve Proving
151
Gas Direct Ignition 1 (Gp1/2), 1-Stage, with Valve Proving
151
Gas Valve Proving
152
Valve Proving with Separate Pressure Switch
152
Valve Proving - Calculation of Leakage Rate
153
Connection Diagram for LME73.000
154
Connection Diagram for LME73.000
155
Time Table and Settings for Program Sequence PME73.840
156
Lme73.000
157
Parameter List PME73.840
158
20 Legend
161
21 Multistage or Modulating Mode
163
Relevant Parameters
163
Connection Diagram for Feedback Potentiometer ASZ12.33
163
Connection Diagram for Load Controller
164
Actuators
164
Function
164
Load Controller Inputs
165
3-Position Step Input X5-03
165
Analog Input X65
165
Selection Source Preset Output Analog/3-Position Step Input (P654)
165
Actuator Output X2-09
165
Setting the Maximum Running Time of the Actuator (P259/P260 Timeout)
165
Multistage/Modulating Mode Via 3-Position Step Input X5-03
166
Maximum Possible Resolution
166
Modulating Mode Via Analog Input Signal X65
166
Standardization of Modulation Range
166
Setting the Minimum Power Control Step (Dead Band) (P123) in Modulating Mode Via Analog Input Signal X65
167
22 Safety Notes Relating to Operation of AZL2
168
Building Technologies Division Basic Documentation LME7
169
23 Operation Via AZL2
169
Description of the Unit/Display and Buttons
169
Meaning of Symbols on the Display
170
Special Functions
170
Manual Lockout
170
Operation
171
Normal Display
171
Display in Standby Mode
171
Display During Startup/Shutdown
171
Display of Program Phases
171
List of Phase Display (Display Depending on Program)
172
Display of Operating Position
173
Fault Status Messages, Display of Errors and Info
174
Display of Errors (Faults) with Lockout
174
Reset
174
Menu-Driven Operation
175
Assignment of Levels
175
Info Level
176
Display of Info Level
177
Display of Info Values
177
Identification Date
177
Identification Number
177
Identification of Burner
178
Number of Startups Resettable
179
Total Number of Startups
180
End of Info Level
180
Service Level
181
Display of the Service Level
181
Display of Service Values
182
Error History
182
Mains Voltage
182
Intensity of Flame
182
End of Service Level
182
Parameter Level
183
Entering the Password
184
Changing the Heating Engineer's Password
186
Changing the Oem's Password
187
Backup
188
Restore
190
Operating Variants of the Parameters
192
Parameters Without Index, with Direct Display
192
Example of Parameter 225 (Prepurge Time) on the Parameter Level
192
Parameters Without Index, with no Direct Display
194
Example of Parameter 224 (Specified Time Air Pressure Switch) on the Parameter Level
194
Parameters with Index, with or Without Direct Display
196
Example of Parameter 701: Actual Error on the Service Level
196
24 Error Code List with Operation Via External AZL2
199
25 Operation Via Internal LED
201
Description of Display and Buttons
201
Normal Display
202
Display in Standby Mode
202
Display During Startup/Shutdown
202
Display of Program Phases
202
List of Phase Display
203
Display of Operating Position
205
Special Functions
205
Manual Lockout
205
Fault Status Messages, Display of Errors
206
Display of Errors (Faults) with Lockout
206
Display of Flame Current ION or QRA
207
Reset
207
Display of Flame Current QRB
208
Display of Preset Output
209
Manual Adjustment (Depending on Program Module)
210
Position of Actuator or Speed of PWM Fan in Modulating Operation with Analog Signal
210
First Startup with a New Program Module or in Case of Replacement of Program Module
213
Manual Backup
215
Error During Backup Process
216
Manual Restore
217
Errors During the Restore Process
218
Reset
218
26 Error Code List with Operation Via Internal LED
219
27 PWM Settings
221
Relevant Parameters
221
PWM Control Parameters
223
PWM Safety Parameters
224
Initial PWM Parameter Settings
225
Initial Settings of PWM Basic Parameters
225
Prerequisites
225
Operating Steps
225
Reading the Value of Parameter 920 in the Prepurge Phase (P30) and Ignition Load Phase (P38, P40 and P44)
228
Procedure
228
Final Settings of PWM Safety Parameters
229
Procedure
229
Follow These Steps
229
Checking Prepurging
230
Checking the Ignition Load
230
Setting Safety Parameters 675.00/675.01 and Checking the Safety Settings under Worst-Case Conditions
231
Procedure
231
Follow These Steps
231
Checking Prepurging
231
Checking the Ignition Load
232
Matching the Working Points "Speeds for Low-Fire (P1), Ignition Load (P0) and High-Fire (P2) for the Heating Engineer to the Application
232
Prerequisites
232
Via the Onboard Operating Panel of the LME7
233
Via the AZL2
234
Overview of PWM Fan Parameters (Value Range Refers to PME71.901)
236
28 List of Figures
242
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140 pages
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Siemens LME7 Series Specifications
General
Brand
Siemens
Model
LME7 Series
Category
Controller
Language
English
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