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Siemens Manuals
Control Unit
LME75
Basic documentation
Siemens LME75 Basic Documentation
Burner control
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Also See for LME75
:
Technical instructions
(140 pages)
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Contents
Table of Contents
Bookmarks
Table of Contents
Supplementary Documentation
Table of Contents
Typographical Conventions
Safety Notes
Qualified Personnel
Correct Use
Overview
System Makeup / Description of Functions
Indication and Diagnostics
Features
Lme75/Lme76
PME75/PME76 for 120 V AC Mains Voltage
PME75/PME76 for 230 V AC Mains Voltage
Display Units / Operating Units and Accessories
Lfs1
Qra7
Qri
Ionization Probe
Sqn70/Sqn71
Sqn72
Actuator SQM40
Actuator SQM41
Actuator SQM5
QPL Pressure Switch
Dummy Plug for RJ11
AGG3 Connector Sets for LME75/LME76
AGG9 Connector Sets for LME75/LME76
OCI410 Service Tools
PC Software ACS410
Mounting/Assembly
Mounting Notes
Standards and Certificates
Safety Notes
Warning Notes
Installation Notes
Electrical Connection of the Flame Detectors
Disposal Notes
Lifetime
Wiring
Inputs/Outputs
Introduction to Wiring
Terminals
Earthing
Protective Earth PE
Functional Earth FE
Description of the Terminals
Terminal X2-03 / X3-04
Terminal X2-01 / X2-02 / X6-03
Terminal X3-02 / X5-01 / X5-03 / X9-04
Terminal X10-05 / X10-06
Terminal X4-02 / X7-01 / X7-04
Terminal X2-09 / X7-02
Terminal X56 / X65 / X66 / X76
Assignment of Terminals for Plug AGG9
Lme75
Lme76
Startup
Startup Notes
Technical Data
Lme75/Lme76
Terminal Loading: Inputs
Terminal Loading: Outputs
Cable Lengths
Actuators
Cross-Sectional Areas
RAST5 Connector
RAST3.5 Connector
Signal Cable AGV50
AZL2 / OCI410 BC Interface
Dummy Plug for RJ11
Environmental Conditions
Flame Supervision
Ionization Probe with LME75/LME76 at Terminal X10-06
QRA7 with LME75 at Terminal X10-05
QRI with LME75 at Terminal X10-05
LFS1 with LME76 at Terminal X10-05
Dimensions
Description of Inputs on LME75/LME76
Air Pressure Switch Terminal X3-02
Pressure Switch-Min Terminal X5-01
Pressure Switch-Max, POC/CPI, Valve Proving ON/OFF or Oil Temperature Limiter Terminal X2-02
Pressure Switch Valve Proving or Pressure Switch-Max Terminal X9-04
Ionization Probe Terminal X10-06
QRA7/QRI Terminal X10-05 (LME75 Only)
LFS1 Terminal X10-05 (LME76 Only)
Flame Safeguard Test
Analog Input Load Controller Terminal X65
External Load Controller (ON/OFF) Terminal X5-03
Safety Loop Terminal X3-04
Description of Outputs on LME75/LME76
Fan Motor Terminal X2-01
Oil Temperature Limiter or PWM Fan Motor Terminal X2-02
PWM Fan Motor Control Terminal X76
Alarm / Remote Lockout Reset Terminal X2-03
Alarm Terminal X2-03 Pin 3
Remote Lockout (Reset) Terminal X2-03 Pin 1
Actuator Terminal X2-09
Connection of Feedback Actuator Position with ASZ in Actuator at Terminal X66
Ignition Transformer Terminal X4-02
Safety Valve Terminal X6-03
Fuel Valve V2A / Pilot Valve PV Terminal X7-01 / X7-04
Fuel Valve V1 Terminal X7-02 / X7-04
Fuel Valve V2 Terminal X7-01 / X7-02
BC Interface Terminal X56
Function
Preconditions for Startup
Undervoltage
Controlled Intermittent Operation (Optional)
Control Sequence in the Event of Fault
Resetting the LME75/LME76
Operation, Indication, Diagnostics
Operation
Operating Display
Diagnostics of Cause of Error
Multistage or Modulating Operation with Actuator
Actuators
Function
Load Controller Inputs
Analog Input Terminal X65
Setting the Maximum Running Time of the Actuator (Parameter 259.00 / Parameter 260 Timeout)
Multistage/Modulating Mode Via 3-Position Step Input Terminal X5-03
Maximum Possible Resolution
Modulating Mode Via Analog Input Signal Terminal X65
Standardization of Modulation Range
Setting the Minimum Power Adjustment (Dead Band) (Parameter 123) in Modulating Mode Via Analog Input Signal Terminal X65
Application Limits/Examples
Safety Notes for Use of the AZL2
Operation Via AZL2
Description/Meanings of Displays and Buttons
Meaning of Symbols on the Display
Special Functions
Manual Locking
Operation
Normal Display
Standby Display
Startup/Shutdown Display
Phase Display
List of the Phase Display
Operating Position Display
Fault Status Messages, Display of Errors and Info
Display of Errors (Faults) with Lockout
Reset
Menu-Driven Operation
Assignment of Levels
Info Level
Display of Info Level
Parameter Index
Display of Info Values
Identification Date
Identification Number
Burner Identification
Number of Startups Resettable
Total Number of Startups
End of Info Level
Service Level
Service Level Display
Display of Service Values
Error History
Mains Voltage
Intensity of Flame
End of Service Level
Parameter Level
Entering the Password
Changing the Heating Engineer's Password
Changing the OEM Password
Backup
Restore
Operating Variants of the Parameters
Parameters Without Index, with Direct Display
Example of Parameter 226 (Preignition Time) on the Parameter Level
Parameters Without Index, with no Direct Display
Example of Parameter 224 (Specified Time Air Pressure Switch) on the Parameter Level
Parameters with Index, with or Without Direct Display
Example of Parameter 701: Actual Error on the Service Level
Operation Via Internal LED Display
Meanings of Displays and Buttons
Normal Display
Standby Display
Startup/Shutdown Display
Phase Display
List of the Phase Display
Operating Position Display
Special Functions
Manual Locking
Fault Status Messages and Display of Errors
Display of Errors (Faults) with Lockout
Intensity of Flame Ionization
Intensity of Flame QRA7/QRI (LME75) or LFS1 (LME76)
Reset
Display of Preset Output
Manual Load Change (Depending on the PME75/PME76 and Respective Parameterization)
Actuator Position or Speed of PWM Fan Motor in Modulating Operation with Analog Signal
Initial Startup with a New PME75/PME76 or When Replacing the PME75/PME76
Manual Backup
Error During Backup Process
Manual Restore
Error During Restore Process
Reset
Error Code List
Unit History
Table of Figures
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LME75/LME76
Burner control
Basic Documentation
Software version V03.00 or higher
CC1P7156en
24.07.2020
The LME75/LME76 and this basic documentation are intended for original
equipment manufacturers (OEMs) using the LME75/LME76 in or on their
products.
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This manual is also suitable for:
Lme76
Lme75.000a1
Lme76.000a1
Lme75.000a2
Lme76.000a2
S55333-b201-a100
...
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S55333-b203-a100
S55333-b202-a100
S55333-b204-a100
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