Name: Siemens LMV37.4 Series
Brand: Siemens
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Building Technologies Basic documentation LMV37.4... CC1P7546en

7 Basic unit LMV37.4 17.12.2018

7.3.10 Reset X8-04, pin 1

Input for connection of a reset button. The LMV37.4 can be reset or manually locked via

this input (refer to chapter Reset / manual locking).

Resetting / manual interlocking

Bild 393e/1109

Figure 22: Reset X8-04

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

Siemens LMV37.4 Series User Manual

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Siemens LMV37.4 Series Specifications

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Brand	Siemens
Model	LMV37.4 Series
Category	Controller
Language	English