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Siemens LMV3 series User Manual
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Global Siemens Headquarters
Siemens AG
Berliner Ring 23
76437 Rastatt
Germany
SCC, Inc.
1250 Lunt Av
enue
Elk Gro
ve Village, IL 60007
USA
T
elephone: 1-224-366-8445
www
.scccombustion.com
Print
ed in USA
© Siemens Industr
y
,
Inc. • (05/2015)
Technical Instructions
Document No. LV5-1000
July 10, 2015
223
Table of Contents
Contents
3
Overview
5
The Main Components of an LMV3 System
5
LMV3 System Builder
6
Control Panel Components
6
Air Damper Assembly
10
Gas Firing Rate Control Valve
12
Oil Firing Rate Control Valve
13
Actuator Accessories
14
Variable Frequency Drive (VFD) Components
14
Flame Scanner Accessories
16
Mounting
21
LMV3 Controller
21
LMV3 Dimensions (Inches)
21
AZL23 Dimensions (Inches)
22
AZL23 Display
22
AGM60 Dual Fuel Module
23
AGM60 Dimensions (Inches)
23
Important Safety Notes
24
Approvals
25
Wiring Introduction
29
Terminals
29
Numbering Scheme on White Line Voltage (RAST 5) Terminals of the LMV3
29
Numbering Scheme on Green Low Voltage (RAST 3.5) Terminals of the LMV3
29
Protective Earth
30
Reference Ground
30
LMV3 Terminal Descriptions
31
LMV3 Terminal Layout
31
AGM60 Terminal Descriptions
37
AGM60 Terminal Layout
37
Wiring Diagrams
40
LMV3 Parameter Example with Indexes
49
Parameters
49
Sequence Diagrams
66
Table of Contents
79
Commissioning
79
Pre-Requisites for Basic LMV3 Systems
80
Pre-Requisites for LMV3 Systems with a VSD
82
Configuring (Parameterization Of) an LMV3 with a Default Parameter Set
83
Modulating Gas - Direct Spark Ignition
84
Modulating Gas - Pilot Ignition 1 (Pilot between V1 and V2)
85
Modulating Gas - Pilot Ignition 2 (Pilot before V1 and V2)
86
Modulating Light Oil - Direct Spark Ignition
87
2-Stage Light Oil - Direct Spark Ignition
88
3-Stage Light Oil - Direct Spark Ignition
89
Modulating Light Oil - Gas Pilot
90
2-Stage Light Oil - Gas Pilot
91
Counterclockwise Vs. Clockwise Rotation
92
Referencing “Closed” Vs. Referencing “Open”
93
Transferring Parameter Sets Using the AZL Display
95
Suggested Initial Light-Off for LMV3 Systems
96
Suggested Ratio Control Curve Commissioning
97
Example of Lmvx Curves Spreadsheet
99
Additional Tips for Commissioning
101
Variable Speed Drive Control
105
Introduction
106
VFD and AC Induction Motor Fundamentals
106
Line Reactor Recommendation - VFD (HP) Vs Transformer (Kva)
107
Line Reactors
107
Output Wiring / Load Reactors
108
Braking Resistors
109
Shaft Current
109
Configuring Vfds for Use with the LMV3
111
Types of Vfds: Vector and Volt/Hz
111
Brushless DC Blowers (PWM Blowers)
113
Centrifugal Blower Fundamentals
114
Standardized Speed - Standardizing the LMV3
115
Standardization Process for a 2-Pole Blower Motor (Values Are Approximate)
116
Standardization Sequence
116
Result of Standardization (2-Pole Blower Motor) and Interpolation
117
Blower Speed Monitoring
120
Blower Speed Monitoring Bands
121
Blower Speed Response During Operation
122
VSD Blower Speed Response During Acceleration
122
VSD Blower Speed Response During Deceleration
123
Prerequisites
124
Suggested Setup Procedure for the VSD Control – Parallel Positioning Application
124
Suggested Setup Procedure for the VSD Speed Shift
127
VSD Speed Shift – Analog Signal to % VSD Trim
128
Additional Tips for Burners with VSD Speed Shift
131
Additional Tips for Burners with VSD Control
132
LMV3 Fault History Example with Indexes
135
Troubleshooting Introduction
135
Complete Error Code List
136
Data Transmission
161
Modbus
161
Modbus Interface Settings
161
Structure of Data Blocks
161
Erroneous Access to Parameters of the LMV3
162
Mapping Long Values
162
Temporal Process of Communication
163
Communication During the Internal Slave Handling Time
164
Communication During the Slave’s Response Time
164
Number of Addresses Per Message
164
Temporal Process of a Data Inquiry
164
Modbus Addresses
165
Modbus Functions
165
Overview Table
165
Requirements for the Modbus Master
165
Data Types
170
Legend to Overview Table
170
Modbus Address / LMV3 Parameter Cross-Reference Guide
171
Changeover of Controller Operating Mode
173
Bus Behavior in the Event of Burner Lockout
174
Operating Modes
174
Baud Rate of Modbus Interface
175
Modbus Settings on the LMV3
175
Parity of Modbus Interface
175
Slave Address
175
Activation of Modbus
176
Preselected Output in the Event of Communication Breakdown
176
Timeout in the Event of Communication Breakdown
176
Error Handling
177
Modbus in Connection with ACS410 / AZL2
177
ACS410 Software Introduction
181
Software Installation
182
Available Interface Modules to Connect the LMV3 to a PC
183
Connecting to a PC
183
Saving a Parameter Set to a PC
184
Uploading a Parameter Set to an LMV3
185
Creating an LMV3 Startup Report
186
Saving and Viewing Trends
187
The ACS410 Trending Screen
187
The ACS410 Status Screen
189
Viewing the Status Screen
189
Description
193
LMV3 Application Guide
193
Fresh Air Damper
196
Introduction
196
LMV3 Fresh Air Damper Wiring
196
Procedure
196
Important Notes
197
Operation
197
Hot Standby on a Steam Boiler with an RWF55
198
Introduction
198
LMV3 Hot Standby Wiring
198
Procedure
198
Important Notes
199
Operation
199
Introduction
200
Low Fire Hold with an RWF55
200
Low Fire Hold Via Analog Output on a Steam Boiler
201
Procedure - Steam Boiler with an RWF55 with Analog Output
201
Low Fire Hold Via Analog Output on a Hot Water Boiler
202
Procedure - Hot Water Boiler with an RWF55 with Analog Output
202
Low Fire Hold Via 3-Position Output on a Steam Boiler
203
Procedure - Steam Boiler with an RWF55 with 3-Position Output (LMV37 Only)
203
Low Fire Hold Via 3-Position Output on a Hot Water Boiler
204
Procedure - Hot Water Boiler with an RWF55 with 3-Position Output (LMV37 Only)
204
Behavior of Contact K6 When Using an RWF55 for Low Fire Hold
205
Example
205
Operation
205
Introduction
206
Option 1: on Startup with Skp25'S on both the Pilot and Main Gas Trains
206
Option 3: Pilot Valve Proving on Startup and Main Valve Proving on Shutdown
206
Pilot Valve Proving
206
Procedure
206
Option 1 Piping and Electrical Schematics
208
Option 2 Piping and Electrical Schematics
210
Option 3 Piping and Electrical Schematics
212
Purge Proving
214
LMV3 Purge Proving Wiring Diagram
214
Revert to Pilot - LMV37 Only
216
LMV3 / RWF55 Revert to Pilot Wiring
216
Sequence of Operation
217
Critical RWF55 Settings for Operation Example
219
Operation Example
219
Stack Dampe
221
LMV3 Stack Damper Wiring
221
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Siemens LMV3 series Specifications
General
Brand
Siemens
Model
LMV3 series
Category
Control Unit
Language
English
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