Siemens LMV37.4 Series - User Manual

Siemens LMV37.4 Series

267 pages

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Software version

V03.70

CC1P7546en

17.12.2018

Building Technologies

LMV37.4...

Basic unit with integrated fuel-air ratio control for

forced draft burners

Basic Documentation

The LMV37.4 and this Basic Documentation are intended for OEMs which integrate the units in their

products!

Table of Contents

Default Chapter3
- Table of Contents3
1 Safety Notes10
- Warning Notes10
- Mounting Notes11
- Installation Notes12
- Electrical Connection of the LMV37.413
- Connection BC Interface Via Integrated RJ11 Jack (X56)14
- Electrical Connection of Flame Detectors15
- Commissioning Notes15
- Notes on Settings and Parameter Settings17
- Standards and Certificates18
- Service Notes19
- Life Cycle19
- Disposal Notes19
2 Makeup of Structure / Function Description20
- For Europe20
- For North America20
- General Information21
3 Type Summary21
4 Technical Data22
- Basic Unit LMV37.422
- Terminal Loading "Inputs23
- Terminal Loading "Outputs23
- Analog Output / Load Output X74 Pin 325
- Cable Lengths25
- Cross-Sectional Areas25
- Connections of Actuators25
- Signal Cable AGV50 from AZL2  BC Interface26
- Environmental Conditions26
- Flame Detector27
- Ionization Probe27
- UV Flame Detectors QRA2 / QRA4 / QRA1029
- Photoresistive Flame Detectors QRB1 / QRB330
- Yellow Flame Detector QRB431
- Blue-Flame Detectors QRC32
5 Dimensions33
- Lmv37.433
6 Display and Diagnostics34
7 Basic Unit LMV37.434
- Description of Inputs and Outputs34
- Flame Detectors35
- Loss of Flame35
- Extraneous Light36
- No Flame at the End of Safety Time36
- Flame Intensity36
- Supervision of Flame Detector36
- Flame Detection Sensitivity37
- Digital Inputs38
- Safety Loop X3-04 Pin 1 and 238
- Burner Flange X3-03, Pin 1 and 239
- Input for External Load Controller (on / OFF) X5-03, Pin 139
- Inputs X5-03 Pin 2 and 3 (Open / Close or Stage 2 / Stage 3)39
- Air Pressure Switch X3-0240
- Gas Pressure Switch Valve Proving - or Heavy Oil Direct Start X9-0441
- Gas / Oil Pressure Switch-Min, Start Release Gas X5-0143
- Setting the Time for Making the Pressure Switch Test45
- Gas / Oil Pressure Switch-Max / or POC Contact, Start Release Oil / Additional Speed-Dependent Air Pressure Switch X5-0246
- Reset X8-04, Pin 149
- Digital Outputs50
- Output Alarm Type No-SI - X3-05, Pin 250
- Fan Motor Contactor Type si - X3-05, Pin 150
- Fan Continuous Purging X3-05, Pin 350
- Output Ignition Type si (IGNITION) X4-0251
- Outputs Fuel Valves Type si V1 / V2 / V3 / PV) X8-02, X7-01, X7-0252
- Output Safety Valve Type si X6-0352
- Output for Indication of Operation X8-04, Pin 252
- Program Sequence53
- Time Parameters53
- Valve Proving54
- Valve Proving with Separate Pressure Switch X9-0455
- Valve Proving Via Gas Pressure Switch-Min X5-0156
- Lockout Phase (Phase 00)56
- Safety Phase (Phase 01)57
- Special Functions During the Program Sequence58
- Reset / Manual Lockout58
- Alarm Upon Start Prevention59
- Possible Start Preventions60
- Repetition Counter60
- Start Without Prepurging (as Per en 676)63
- Gas Shortage Program64
- Program Stop Function65
- Forced Intermittent Operation (<24 Hours)65
- Low-Fire Shutdown65
- Continuous Fan66
- Test Function for Approval of Burner - Loss-Of-Flame Test (TÜV Test)67
- Postpurging in the Lockout Position68
- Switching Back to Pilot69
- Fuel Trains (Application Examples)71
- Sequence Diagrams80
- Gas Direct Ignition "G", "G Mod", "G Mod Pneu81
- Gas Pilot Ignition 1 "Gp1", "Gp1 Mod", "Gp1 Mod Pneu82
- Gas Pilot Ignition 2 "Gp2", "Gp2 Mod", "Gp2 Mod Pneu83
- Light Oil Direct Ignition "Lo", "Lo Mod", "Lo 2-Stage", "Lo 3-Stage84
- Light Oil Pilot Ignition "Logp" "Logp Mod" "Logp 2 Stage85
- Heavy Oil Direct Ignition "Ho", "Ho Mod Separate Circulation Control", "Ho 2-Stage Separate Circulation Control86
- Heavy Oil Direct Ignition "Ho", "Ho Mod Without Circulation Control", "Ho 2- Stage Without Circulation Control", "Ho 3-Stage Without Circulation Control87
- Legend to the Sequence Diagrams88
8 Selection of Operating Mode91
- Deleting Curves93
9 Connection to Load Controllers94
- Load Controller on Contact X5-03 Pin 194
- External Load Controller Via Contacts X5-03, Pin 2 / Pin 394
- Default Output Via Building Automation - X9297
- Manual Output99
- Output with Curve Settings99
- External Load Controller Via Analog Input X64 Pin 1 / X64 Pin 2100
- Switching Thresholds for Modulating Operation100
- Switching Thresholds for Multistage Operation101
- Prioritization of Load Controller Sources102
- Emergency Operation with Several Load Controller Sources103
- Manual Control103
10 Electronic Ratio Control104
- General104
- Behavior Outside the Operating Positions104
- Traveling Speed104
- Home Position104
- Prepurging105
- Ignition105
- Postpurging105
- Modulating Operation106
- Definition of Curves106
- Traveling Speed / Maximum Curve Slope107
- Entering the Running Position108
- Operating Position108
- Limitation of Modulation Range109
- Setting the Minimum and Maximum Output110
- Multistage Operation111
- Definition of Curves111
- Traveling Speed111
- Adjustment of Output112
- Entering the Operating Position112
- Operating Position112
- Limitation of Modulation Range113
- End of Operating Position113
- Notes on Settings and Parameter Settings114
11 Actuators X53 / X54115
- Function Principle115
- Definition of Angles115
- Referencing116
- Reference Travel118
- Direction of Rotation120
- Monitoring the Actuator Positions121
- Changing the Error Detection Band for Monitoring the Actuator Positions123
- Forced Travel123
- Detection of Line Interruptions123
- Protection against Actuator Mixup124
- Proposal for Implementation124
12 Fan Control125
- Function Principle125
- Activation of VSD/PWM Fan125
- VSD Control X74 Pin 3126
- PWM Fan Control X64 Pin 3126
- Safe Separation of Mains Voltage and Protective Extra Low-Voltage127
- Ramp Time127
- Acquisition of Speed128
- Acquisition of Speed with Proximity Switch128
- Acquisition of Speed with Hall Generator129
- Forced Travel Fan130
- Speed Control130
- Speed Supervision131
- Extended Speed Supervision132
- Setting the Parameters of VSD133
- Standardization of Speed134
- Control of Fan Motor with Pneumatic Fuel-Air Ratio Control138
- EMC of LMV37.4 and VSD138
- Special Conditions for PWM Fan in Electronic Fuel-Air Ratio Control System138
- Characteristics PWM Fan139
- Acquisition of Speed PWM Fan140
- Trim Function141
- Settings and Mode of Operation142
- Optional Internal Checks143
- External Tests (Optional)145
- Description of Connection Terminals147
- Vsd147
- PWM Fan147
13 Load Output X74 Pin 3148
- Safe Separation of Mains Voltage and Extra Low-Voltage148
- Modulating Operation149
- 2-Stage Operation149
14 Fuel Meter Input X75 Pin 1 / X75 Pin 2150
- Configuration of Fuel Meter150
- Types of Fuel Meters150
- Configuration of Pulses Per Volume Unit150
- Reading and Resetting the Meter Readings150
- Fuel Throughput151
- Configuration151
- Reading out the Fuel Throughput151
15 Connection and Internal Diagram152
16 Special Feature: Burner Identification153
17 Connection to Superposed Systems153
- General Information and Building Automation Functions153
- Modbus155
18 PC Software ACS410156
19 Error History157
- Error Classes157
- Makeup of Error History158
20 Lifecycle Function158
21 Safety Notes on Use of the AZL2159
22 Operating Via AZL2160
- Description of Unit/Display and Buttons160
- Meaning of Symbols on the Display161
- Brightness of Display161
- Special Functions161
- Manual Lockout161
- Manual Control (Manual Request for Output)162
- Timeout for Menu Operation162
- Backup / Restore163
- Backup164
- Restore166
23 Operation of LMV37.4 Via the AZL2168
- Normal Display168
- Display in Standby Mode168
- Display During Startup / Shutdown168
- Display of Program Phases168
- Display of Program Phase with Remaining Running Time until End of the Phase Is Reached168
- List of Phase Displays169
- Display of Operating Position170
- Fault Status Messages, Display of Errors and Info171
- Display of Errors (Faults) with Lockout171
- Reset171
- Activating Info / Service Mode from Lockout171
- Error with Safety Shutdown172
- General Information172
- Prevention of Startup172
- Safety Loop172
24 Menu-Driven Operation173
- Assignment of Levels173
25 Info Level174
- Display of Info Level174
- Display of Info Values (Examples)175
- Identification Date175
- Identification Number175
- Burner Identification176
- Number of Startups Resettable177
- Total Number of Startups178
- End of Info Level178
26 Service Level179
- Display of Service Level179
- Display of Service Values (Example)180
- Number of Faults180
- Error History180
- Intensity of Flame180
- End of Service Level181
27 Parameter Level182
- Entry of Password183
- Entry of Burner Identification185
- Change of Heating Engineer's Password187
- Change of Oem's Password188
- Use of Parameter Level188
- Structure of Parameter Levels189
- Parameters Without Index, with Direct Display190
- Using the Example of Parameter 208: Program Stop190
- Parameters Without Index, with no Direct Display (with Parameters Having a Value Range >5 Digits)192
- Using the Example of Parameter 162: Operating Hours Resettable192
- Parameter with Index, with Direct Display194
- Using the Example of Parameter 501: No-Flame Positions Fuel Actuator194
- Parameters with Index, with no Direct Display196
- Using the Example of Parameter 701: Errors196
- Fuel-Air Ratio Curves - Settings and Commissioning199
- Initial Commissioning199
- Setting Curvepoints P0 and P9 for Modulating Operation ("G Mod", "Gp1 Mod", "Gp2 Mod" and "Lo Mod")202
- Setting Curvepoints P0 and P9 for "G Mod Pneu", "Gp1 Mod Pneu" and "Gp2 Mod Pneu203
- Warm Settings for Modulating Operation ("G Mod", "Gp1 Mod", "Gp2 Mod" and "Lo Mod")204
- Warm Settings for Modulating Mode ("G Mod Pneu", "Gp1 Mod Pneu" and "Gp2 Mod Pneu")209
- Cold Settings for "G Mod", "Gp1 Mod", "Gp2 Mod" and "Lo Mod209
- Cold Settings for "G Mod Pneu", "Gp1 Mod Pneu" and "Gp2 Mod Pneu210
- Editing the Curvepoints211
- Interpolating the Curvepoints212
- Setting of Curvepoints for Multistage Mode ("Lo 2-Stage" and "Lo 3-Stage")215215
- Warm Settings for "Lo 2-Stage" and "Lo 3-Stage216
- Cold Settings for Multistage Mode ("Lo 2-Stage" and "Lo 3-Stage")220
- Intensity of Flame During Curve Settings221
28 Parameter List LMV37.4222
29 Error Code List (All LMV2 Types / LMV3 Types)238
30 Revision History of LMV37.4255
31 List of Figures260

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Siemens LMV37.4 Series Specifications

General

Type	Burner Management System
Application	Industrial burners
Fuels	Gas, Oil
Frequency	50/60 Hz
Inputs	Analog, Digital
Flame Supervision	UV, Ionization
Voltage	230 V AC
Outputs	Relay, Analog
Communication Protocol	Modbus
Power Supply	24 V DC
Operating Temperature	-20…+60 °C
Relative Humidity	Max. 95% non-condensing

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