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LMV37.420A1
Siemens LMV37.420A1 User Manual
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Table of Contents
Default Chapter
5
Table of Contents
5
1 Safety Notes
12
Warning Notes
12
Mounting Notes
13
Note on Mounting
13
Installation Notes
14
Electrical Connection of the LMV37.4
15
Electrical Connection of Flame Detectors
16
Commissioning Notes
16
Air-Fuel Ratio Control System
16
Basic Unit Section
16
Setting and Parameter Setting Notes
18
Standards and Certificates
19
Service Notes
19
Life Cycle
19
Disposal Notes
19
2 System Make-Up / Function Description
20
For Europe
20
For North America
20
General
21
3 Type Summary
21
4 Technical Data
22
Basic Unit LMV37.4
22
Terminal Loading "Inputs
22
Terminal Loading "Outputs
23
Analog Output / Power Output X74.3
23
Cable Lengths
24
Cross-Sectional Areas
24
Signal Cable AGV50
24
Environmental Conditions
25
Flame Detectors
26
Ionization Probe
26
UV-Flame Detectors QRA2
27
Photoresistive Detectors QRB
28
Blue-Flame Detectors QRC
28
5 Dimensions
29
Lmv37.4
29
6 Basic Unit
30
Description of Inputs and Outputs
30
Flame Signal Input and Flame Detector X10-05 and X10-06
30
Flame Detectors
31
Loss of Flame
32
Extraneous Light
32
No Flame at the End of Safety Time 1 (TSA1)
32
Flame Intensity
32
Supervision of Flame Detector
33
Digital Inputs
34
Safety Loop X3-04, Terminals 1 and 2
34
Burner Flange) X3-03, Terminals 1 and 2
35
Input for External Controller (on / OFF) X5-03, Terminal 1
35
Inputs X5-03 Terminal 2 and Terminal 3 (Opening / Closing or Stage 2 / Stage 3)
35
Air Pressure Switch (APS) X3-02
36
Pressure Switch Valve Proving Gas (P LT) X9-04
37
Pressure Switch-Min-Gas (Pmin) / -Min-Oil, Start Release Gas X5-01
38
Setting the Time for Making the Pressure Switch Test
39
Pressure Switch-Max-Gas (Pmax) / or POC Contact / Max-Oil, Start Release Oil X5-02
40
Reset X8-04, Terminal 1
42
Digital Outputs
43
Output Alarm, Type No-SI X3-05, Terminal 2
43
Fan Motor Contactor, Type si X3-05, Terminal 1
43
Fan Continuous Purging X3-05, Terminal 3
43
Output Ignition (Z), Type si (IGNITION) X4-02
44
Outputs Fuel Valves, Type si (V1
45
Output Safety Valve (SV), Type si X6-03
45
Output for Indication of Operation X8-04, Terminal 2
45
Program Sequence
46
Time Parameters
46
Valve Proving
47
Valve Proving with Separate Pressure Switch (P LT) X9-04
48
Valve Proving Via Pressure Switch-Min-Gas X5-01
49
Lockout Phase (Phase 00)
49
Safety Phase (Phase 01)
49
Special Functions During the Program Sequence
50
Reset / Manual Lockout
50
Alarm Upon Start Prevention
51
Possible Start Preventions
52
Repetition Counter
53
Start Without Prepurging (as Per en 676)
55
Gas Shortage Program
55
Program Stop Function
56
Forced Intermittent Operation (<24 Hours)
56
Low-Fire Shutdown
56
Continuous Fan
57
Test Function for Approval of Burner - Loss-Of-Flame Test (TÜV Test)
58
Fuel Trains (Application Examples)
59
Gas Direct Ignition
59
(Operating Mode 1, 7, 14, 19)
59
Gas Pilot Ignition 1
59
(Operating Mode 2, 8, 15, 20)
59
Gas Pilot Ignition 2
59
(Operating Mode 3, 9, 16, 21)
59
Fuel Valve Control Program
59
Light Oil Direct Ignition, Multistage
60
(Operating Mode 5, 17)
60
(Operating Mode 6, 18)
60
Light Oil Direct Ignition, Modulating
61
(Operating Mode 4, 22)
61
Fuel Valve Control Program
61
Light Oil Direct Ignition Modulating with 2 Fuel Valves
62
(Operating Mode 12)
62
Fuel Valve Control Program
62
Sequence Diagrams
63
Gas Direct Ignition "G Mod", "G Mod Pneu
64
Gas Pilot Ignition 1 "Gp1 Mod", "Gp1 Mod Pneu
65
Gas Pilot Ignition 2 "Gp2 Mod", "Gp2 Mod Pneu
66
Light Oil Direct Ignition "Lo Mod", "Lo 2-Stage", "Lo 3-Stage
67
Legend to the Sequence Diagrams
68
7 Selection of Operating Mode
69
8 Connection to Load Controllers
71
Controller on Contact X5-03, Terminal 1
71
External Load Controller Via Contacts X5-03, Terminal 2 / Terminal 3
71
Load Controller Via Building Automation X92
74
Manual Output
75
Output with Curve Settings
75
External Load Controller Via Analog Input X64.1 / X64.2
76
Switching Thresholds / Minimum Positioning Step
76
Thresholds for Modulating Operation
76
Switching Thresholds for 2-Stage Operation
76
Prioritization of Power Sources
77
Emergency Operation with Several Load Controllers
77
Manual Control
77
9 Electronic Air-Fuel Ratio Control
78
General
78
Behavior Outside Operation
78
Running Speed
78
Load Position
78
Prepurging
79
Ignition
79
Postpurging
79
Modulating Operation
80
Definition of Curves
80
Running Speed / Maximum Curve Slope
81
Entering the Running Position
81
Running Position
81
Restriction of Modulation Range
82
Setting the Minimum and Maximum Output
83
Multistage Operation
84
Definition of Curves
84
Running Speed
84
Adjustment of Output
85
Changing to the Running Position
85
Running Position
85
Restriction of the Modulation Range
86
End of Running Position
86
Setting and Parameter Setting Notes
87
10 Actuators X53 / X54
88
Function Principle
88
Definition of Angles
88
Referencing
89
Reference Travel
90
Direction of Rotation
92
Monitoring the Positions
93
Changing the Error Detection Band for Monitoring the Positions
94
Forced Travel
94
Detection of Open-Circuit
94
Protection against Actuator Mixup
95
Proposal for Implementation
95
11 Fan Control
96
Function Principle
96
Activating the VSD / PWM Fan
96
VSD Control X74.3
97
PWM Fan Control X64.3
97
Safe Separation of Mains Voltage and Protective Extra Low-Voltage
97
Ramp Time
98
For VSD Operation
98
Acquisition of Speed
99
Acquisition of Speed with Proximity Switch
99
Speed Input X74.4
99
Acquisition of Speed with Hall Generator
100
Speed Control
101
Speed Supervision
101
Parameterizing of the VSD
102
Standardization of Speed
103
Automatic Speed Standardization
103
Control of Fan Motor with Pneumatic Air-Fuel Ratio Control
105
Emc Lmv37.4
106
Description of the Terminals
107
Vsd
107
PWM Fan
107
12 Power Output X74.3
108
Safe Separation of Mains Voltage and Extra Low-Voltage
108
Modulating Operation
108
2-Stage Operation
108
3-Stage Operation
109
13 Fuel Meter Input X75.1 / X75.2
110
Configuration of Fuel Meter
110
Types of Fuel Meters
110
Configuration of Pulses Per Volume Unit
110
Reading and Resetting the Meter Readings
110
Fuel Throughput
111
Configuration
111
Reading out the Fuel Throughput
111
14 Inputs and Outputs
112
15 Special Feature: Identification of Burner (ID)
113
16 Connection to Superposed Systems
113
General and Functions of Building Automation System
113
Modbus
115
17 PC Software ACS410
116
18 Error History
117
Error Classes
117
Make-Up of Error History
118
Deleting the Error History
118
19 Lifecycle Function
118
20 Safety Notes for Use of the AZL2
119
21 Operating the AZL2
120
Description of the Unit / Display and Buttons
120
Meaning of Symbols on the Display
121
Brightness of the Display
121
Special Functions
122
Manual Lockout
122
Manual Control (Manual Request for Output)
122
Timeout for Menu Operation
123
Backup / Restore
124
Backup
125
Restore
127
22 Operation of Basic Unit Via AZL2
129
Normal Display
129
Display in Standby Mode
129
Display During Startup / Shutdown
129
Display of Program Phases
129
Display of Program Phase with Remaining Running Time until End of the Phase Is Reached
129
List of Phase Displays
130
Display of Operating Position
131
Fault Status Message, Display of Errors and Info
132
Display of Errors (Faults) with Lockout
132
Reset
132
Activating Info / Service Mode from Lockout
132
Error with Safety Shutdown
133
General Information
133
Start Prevention
133
Safety Loop
133
23 Menu-Driven Operation
134
Assignment of Levels
134
24 Info Level
135
Display of Info Level
136
Display of Info Values (Examples)
136
Identification Date
136
Identification Number
136
Identification of Burner
137
Number of Startups Resettable
137
Total Number of Startups
138
End of the Info Level
138
25 Service Level
139
Display of the Service Level
139
Display of Service Values (Example)
140
Number of Faults
140
Error History
140
Intensity of Flame
140
End of the Service Level
140
26 Parameter Level
141
Entering the Password
142
Entering the Burner's Identification
144
Changing the Heating Engineer's Password
145
Changing the Oem's Password
146
Use of the Parameter Level
146
Assignment of the Parameter Levels
147
Parameters Without Index, with Direct Display
148
Using the Example of Parameter 208: Program Stop
148
Parameters Without Index, with no Direct Display (with Parameters Having a Value Range >5 Digits)
150
Using the Example of Parameter 162: Operating Hours Resettable
150
Parameter with Index, with Direct Display
152
Using the Example of Parameter 501: Non-Flame Positions Fuel Actuator
152
Parameters with Index, with no Direct Display
154
Using the Example of Parameter 701: Errors
154
Air-Fuel Ratio Curves - Settings and Commissioning
157
Initial Commissioning
157
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 Pneu
162
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 Mod
168
Cold Settings for "G Mod Pneu", "Gp1 Mod Pneu" and "Gp2 Mod Pneu
168
Editing the Curvepoints
169
Interpolating the Curvepoints
170
Setting the Curvepoints for Multistage Mode ("Lo 2-Stage" and "Lo 3-Stage")173
173
Warm Settings for "Lo 2-Stage" and "Lo 3-Stage
175
Cold Settings for Multistage Mode ("Lo 2-Stage" and "Lo 3-Stage")
179
27 Parameter List LMV37.4
180
28 Error Code List
194
29 Revision History of Basic Unit LMV37.4
207
Software Changes
207
30 List of Figures
212
4
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Siemens LMV37.420A1 Specifications
General
Brand
Siemens
Model
LMV37.420A1
Category
Control Unit
Language
English
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