Siemens LMV37.400A2 - Sequence Diagrams Overview

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Building Technologies Basic documentation LMV37.4... CC1P7546en

HVAC Products 6 Basic unit 01.12.2009

6.7 Sequence diagrams

The phase numbers given in the diagram can be read from the following process data:

No. Parameter

961 Phase (state of external module and display)

Main Page

Default Chapter5
- Table of Contents5
1 Safety Notes12
- Warning Notes12
- Mounting Notes13
  - Note on Mounting13
- Installation Notes14
- Electrical Connection of the LMV37.415
- Electrical Connection of Flame Detectors16
- Commissioning Notes16
  - Air-Fuel Ratio Control System16
  - Basic Unit Section16
- Setting and Parameter Setting Notes18
- Standards and Certificates19
- Service Notes19
- Life Cycle19
- Disposal Notes19
2 System Make-Up / Function Description20
- For Europe20
- For North America20
- General21
3 Type Summary21
4 Technical Data22
- Basic Unit LMV37.422
- Terminal Loading "Inputs22
- Terminal Loading "Outputs23
- Analog Output / Power Output X74.323
- Cable Lengths24
- Cross-Sectional Areas24
- Signal Cable AGV5024
- Environmental Conditions25
- Flame Detectors26
- Ionization Probe26
- UV-Flame Detectors QRA227
- Photoresistive Detectors QRB28
- Blue-Flame Detectors QRC28
5 Dimensions29
- Lmv37.429
6 Basic Unit30
- Description of Inputs and Outputs30
  - Flame Signal Input and Flame Detector X10-05 and X10-0630
- Flame Detectors31
- Loss of Flame32
- Extraneous Light32
- No Flame at the End of Safety Time 1 (TSA1)32
- Flame Intensity32
- Supervision of Flame Detector33
- Digital Inputs34
- Safety Loop X3-04, Terminals 1 and 234
- Burner Flange) X3-03, Terminals 1 and 235
- Input for External Controller (on / OFF) X5-03, Terminal 135
- Inputs X5-03 Terminal 2 and Terminal 3 (Opening / Closing or Stage 2 / Stage 3)35
- Air Pressure Switch (APS) X3-0236
- Pressure Switch Valve Proving Gas (P LT) X9-0437
- Pressure Switch-Min-Gas (Pmin) / -Min-Oil, Start Release Gas X5-0138
- Setting the Time for Making the Pressure Switch Test39
- Pressure Switch-Max-Gas (Pmax) / or POC Contact / Max-Oil, Start Release Oil X5-0240
- Reset X8-04, Terminal 142
- Digital Outputs43
- Output Alarm, Type No-SI X3-05, Terminal 243
- Fan Motor Contactor, Type si X3-05, Terminal 143
- Fan Continuous Purging X3-05, Terminal 343
- Output Ignition (Z), Type si (IGNITION) X4-0244
- Outputs Fuel Valves, Type si (V145
- Output Safety Valve (SV), Type si X6-0345
- Output for Indication of Operation X8-04, Terminal 245
- Program Sequence46
- Time Parameters46
- Valve Proving47
- Valve Proving with Separate Pressure Switch (P LT) X9-0448
- Valve Proving Via Pressure Switch-Min-Gas X5-0149
- Lockout Phase (Phase 00)49
- Safety Phase (Phase 01)49
- Special Functions During the Program Sequence50
- Reset / Manual Lockout50
- Alarm Upon Start Prevention51
- Possible Start Preventions52
- Repetition Counter53
- Start Without Prepurging (as Per en 676)55
- Gas Shortage Program55
- Program Stop Function56
- Forced Intermittent Operation (<24 Hours)56
- Low-Fire Shutdown56
- Continuous Fan57
- Test Function for Approval of Burner - Loss-Of-Flame Test (TÜV Test)58
- Fuel Trains (Application Examples)59
- Gas Direct Ignition59
- (Operating Mode 1, 7, 14, 19)59
- Gas Pilot Ignition 159
- (Operating Mode 2, 8, 15, 20)59
- Gas Pilot Ignition 259
- (Operating Mode 3, 9, 16, 21)59
  - Fuel Valve Control Program59
  - Light Oil Direct Ignition, Multistage60
  - (Operating Mode 5, 17)60
  - (Operating Mode 6, 18)60
  - Light Oil Direct Ignition, Modulating61
  - (Operating Mode 4, 22)61
  - Fuel Valve Control Program61
  - Light Oil Direct Ignition Modulating with 2 Fuel Valves62
  - (Operating Mode 12)62
  - Fuel Valve Control Program62
- Sequence Diagrams63
- Gas Direct Ignition "G Mod", "G Mod Pneu64
- Gas Pilot Ignition 1 "Gp1 Mod", "Gp1 Mod Pneu65
- Gas Pilot Ignition 2 "Gp2 Mod", "Gp2 Mod Pneu66
- Light Oil Direct Ignition "Lo Mod", "Lo 2-Stage", "Lo 3-Stage67
- Legend to the Sequence Diagrams68
7 Selection of Operating Mode69
8 Connection to Load Controllers71
- Controller on Contact X5-03, Terminal 171
- External Load Controller Via Contacts X5-03, Terminal 2 / Terminal 371
- Load Controller Via Building Automation X9274
- Manual Output75
- Output with Curve Settings75
- External Load Controller Via Analog Input X64.1 / X64.276
  - Switching Thresholds / Minimum Positioning Step76
- Thresholds for Modulating Operation76
- Switching Thresholds for 2-Stage Operation76
- Prioritization of Power Sources77
- Emergency Operation with Several Load Controllers77
- Manual Control77
9 Electronic Air-Fuel Ratio Control78
- General78
- Behavior Outside Operation78
- Running Speed78
- Load Position78
- Prepurging79
- Ignition79
- Postpurging79
- Modulating Operation80
- Definition of Curves80
- Running Speed / Maximum Curve Slope81
- Entering the Running Position81
- Running Position81
- Restriction of Modulation Range82
- Setting the Minimum and Maximum Output83
- Multistage Operation84
- Definition of Curves84
- Running Speed84
- Adjustment of Output85
- Changing to the Running Position85
- Running Position85
- Restriction of the Modulation Range86
- End of Running Position86
- Setting and Parameter Setting Notes87
10 Actuators X53 / X5488
- Function Principle88
- Definition of Angles88
- Referencing89
- Reference Travel90
- Direction of Rotation92
- Monitoring the Positions93
- Changing the Error Detection Band for Monitoring the Positions94
- Forced Travel94
- Detection of Open-Circuit94
- Protection against Actuator Mixup95
- Proposal for Implementation95
11 Fan Control96
- Function Principle96
- Activating the VSD / PWM Fan96
- VSD Control X74.397
- PWM Fan Control X64.397
- Safe Separation of Mains Voltage and Protective Extra Low-Voltage97
- Ramp Time98
  - For VSD Operation98
- Acquisition of Speed99
- Acquisition of Speed with Proximity Switch99
  - Speed Input X74.499
- Acquisition of Speed with Hall Generator100
- Speed Control101
- Speed Supervision101
- Parameterizing of the VSD102
- Standardization of Speed103
  - Automatic Speed Standardization103
- Control of Fan Motor with Pneumatic Air-Fuel Ratio Control105
- Emc Lmv37.4106
- Description of the Terminals107
- Vsd107
- PWM Fan107
12 Power Output X74.3108
- Safe Separation of Mains Voltage and Extra Low-Voltage108
- Modulating Operation108
- 2-Stage Operation108
- 3-Stage Operation109
13 Fuel Meter Input X75.1 / X75.2110
- Configuration of Fuel Meter110
- Types of Fuel Meters110
- Configuration of Pulses Per Volume Unit110
- Reading and Resetting the Meter Readings110
- Fuel Throughput111
- Configuration111
- Reading out the Fuel Throughput111
14 Inputs and Outputs112
15 Special Feature: Identification of Burner (ID)113
16 Connection to Superposed Systems113
- General and Functions of Building Automation System113
- Modbus115
17 PC Software ACS410116
18 Error History117
- Error Classes117
- Make-Up of Error History118
  - Deleting the Error History118
19 Lifecycle Function118
20 Safety Notes for Use of the AZL2119
21 Operating the AZL2120
- Description of the Unit / Display and Buttons120
- Meaning of Symbols on the Display121
- Brightness of the Display121
- Special Functions122
- Manual Lockout122
- Manual Control (Manual Request for Output)122
- Timeout for Menu Operation123
- Backup / Restore124
- Backup125
- Restore127
22 Operation of Basic Unit Via AZL2129
- Normal Display129
- Display in Standby Mode129
- Display During Startup / Shutdown129
- Display of Program Phases129
- Display of Program Phase with Remaining Running Time until End of the Phase Is Reached129
- List of Phase Displays130
- Display of Operating Position131
- Fault Status Message, Display of Errors and Info132
- Display of Errors (Faults) with Lockout132
- Reset132
- Activating Info / Service Mode from Lockout132
- Error with Safety Shutdown133
- General Information133
- Start Prevention133
- Safety Loop133
23 Menu-Driven Operation134
- Assignment of Levels134
24 Info Level135
- Display of Info Level136
- Display of Info Values (Examples)136
- Identification Date136
- Identification Number136
- Identification of Burner137
- Number of Startups Resettable137
- Total Number of Startups138
- End of the Info Level138
25 Service Level139
- Display of the Service Level139
- Display of Service Values (Example)140
- Number of Faults140
- Error History140
- Intensity of Flame140
- End of the Service Level140
26 Parameter Level141
- Entering the Password142
- Entering the Burner's Identification144
- Changing the Heating Engineer's Password145
- Changing the Oem's Password146
- Use of the Parameter Level146
- Assignment of the Parameter Levels147
- Parameters Without Index, with Direct Display148
- Using the Example of Parameter 208: Program Stop148
- Parameters Without Index, with no Direct Display (with Parameters Having a Value Range >5 Digits)150
- Using the Example of Parameter 162: Operating Hours Resettable150
- Parameter with Index, with Direct Display152
- Using the Example of Parameter 501: Non-Flame Positions Fuel Actuator152
- Parameters with Index, with no Direct Display154
- Using the Example of Parameter 701: Errors154
- Air-Fuel Ratio Curves - Settings and Commissioning157
- Initial Commissioning157
- Setting Curvepoints P0 and P9 for Modulating Mode ("G Mod", "Gp1 Mod", "Gp2 Mod" and "Lo Mod")160
- Setting Curvepoints P0 and P9 for "G Mod Pneu", "Gp1 Mod Pneu" and "Gp2 Mod Pneu162
- Warm Settings for Modulating Mode ("G Mod", "Gp1 Mod", "Gp2 Mod" and "Lo Mod")163
- Warm Settings for Modulating Mode ("G Mod Pneu", "Gp1 Mod Pneu" and "Gp2 Mod Pneu")168
- Cold Settings for "G Mod", "Gp1 Mod", "Gp2 Mod" and "Lo Mod168
- Cold Settings for "G Mod Pneu", "Gp1 Mod Pneu" and "Gp2 Mod Pneu168
- Editing the Curvepoints169
- Interpolating the Curvepoints170
- Setting the Curvepoints for Multistage Mode ("Lo 2-Stage" and "Lo 3-Stage")173173
- Warm Settings for "Lo 2-Stage" and "Lo 3-Stage175
- Cold Settings for Multistage Mode ("Lo 2-Stage" and "Lo 3-Stage")179
27 Parameter List LMV37.4180
28 Error Code List194
29 Revision History of Basic Unit LMV37.4207
- Software Changes207
30 List of Figures212

Siemens LMV37.400A2 - Sequence Diagrams Overview

Table of Contents

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