Siemens LMV3 series Owner's manual

Combustion Controls
LMV3...
Linkageless Burner
Management System
www.scccombustion.com

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Section 1 Overview
Section 2 Wiring
Section 3 Parameters
Section 4 Commissioning
Section 5 VSD
Section 6 Troubleshooting
Section 7 Modbus
Section ACS410
Appendix A Application Guide

Section 1 Overview
Section 2 Wiring
Section 3 Parameters
Section 4 Commissioning
Section 5 VSD
Section 6 Troubleshooting
Section 7 Modbus
Section ACS410
Appendix A Application Guide

LMV Series Technical Instructions
Document No. LV3-1000
SCC Inc. Page 1 Section 1
Section 1-1: Overview
The LMV3 Burner Boiler Management System (BMS) is ideally suited for use with steam
boilers, hot water boilers, thermal fluid heaters, and industrial burners. The LMV3 is extremely
flexible, and encompasses the following features:
• Flame safeguard (independent processor)
• Fuel-air ratio control
• Variable Frequency Drive (VFD) control
• Fuel usage monitoring
• Simultaneous operation of up to 2 rotary actuators (up to 3 connected)
• Dual fuel switchover
• Modbus communication
• Remote firing rate from building automation or external controller
• Valve proving valve leak testing
Figure 1-1: The Main Components of an LMV3 System

Technical Instructions LMV Series
Document No. LV3-1000
Section 1 Page 2 SCC Inc.
Section 1- : LMV3 System Builder
The LMV3 Linkageless Burner Management System is comprised of many components in
addition to the LMV3 itself. Use the following pages to choose the components needed for
your specific application. See pages 13 and 15 for an LMV3 system order sheet.
Control Panel Components
Base Unit – Qty (1) Required
Choose one of the following LMV3 options. See page 17 for mounting information.
LMV37.4 0A1
Single fuel burner control with electronic fuel-air
ratio control of up to 2 actuators and a VFD, with
floating bumping capability. Requires an external
PID controller
LMV36.5 0A1
Dual fuel burner control with electronic fuel-air ratio
control of up to 2 actuators (3 connected) and a
VFD, without floating bumping capability. Requires
an external PID controller
Display – Qty (1) Required
Each LMV3 must be equipped with one AZL23.00A9 display. See page 18 for mounting
information and panel cutout dimensions.
AZL 3.00A9 Backlit programming display unit
Display Cable – Qty (1) Required
Each LMV3 must be equipped with a cable to connect the AZL23 display to the LMV3.
TDCCOMBO Pre-made 10 foot cable and adapter for connecting
the AZL23 display to the LMV3

LMV Series Technical Instructions
Document No. LV3-1000
SCC Inc. Page 3 Section 1
Control Panel Components (continued)
Base Plug Set – Qty (1) Required
The terminal plug set for the LMV3 is sold separately. Each LMV3 needs one base plug set.
AGG3.131 Plug set containing all terminals for an LMV3 system.
Does not include terminals for the AGM60
AGG3.13 10-pack of plug set AGG3.131
Dual Fuel Module – Qty (1) Recommended with LMV36 Controllers
The AGM60 dual fuel module is used to switch inputs and outputs between fuels on an LMV36
controller. See page 19 for mounting information.
AGM60.4A9 Dual fuel module for switching inputs and outputs
between fuels (LMV36 only)
Dual Fuel Module Accessories – Required with AGM60
One plug set and one connecting cable are required when using an AGM60 dual fuel module.
AGG3.161 Plug set containing all terminals for an AGM60 dual
fuel module
AGG3.16 10-pack of plug set AGG3.161
AGV61.100 Cable required to connect the AGM60 to the LMV36
controller, 3 foot length

Technical Instructions LMV Series
Document No. LV3-1000
Section 1 Page 4 SCC Inc.
Control Panel Components (continued)
Dual Fuel Module Accessories – Optional
The following accessories are optional when using an AGM60 dual fuel module.
AGG4. 00 Mounting bracket to mount the AGM60 directly on
top of the LMV36 controller for a smaller footprint
Touchscreens – Optional
Touchscreen kits are available to provide a human machine interface for the LMV3. Kits come
with a touchscreen and a plate kit with all necessary inputs and outputs. Standard
communication is via Modbus TCP IP. Other communication types are available. For more
technical information about touchscreens, refer to Document No. TS-1000.
TS… Touchscreen kits with 6” or 10” touchscreen, power
supply, interconnect terminals, and optional PLC
Modbus Interface Module – Optional
A separate interface module is required for Modbus communication with the LMV3. The cable
that connects the interface module to the LMV3 is provided with the module.
OCI41 .10 Modbus interface module for the LMV3
Control Panel Spare Parts – Optional
The LMV3 has one replaceable main power fuse. Each LMV3 comes with a spare fuse.
Additional spare fuses are available if necessary.
FUSE6.3A-SLOW 5 pack of LMV3 primary fuses - 6.3A, 250V,
5x20mm, slow blow, for 120 VAC power

LMV Series Technical Instructions
Document No. LV3-1000
SCC Inc. Page 5 Section 1
Control Panel Components (continued)
Replacement green connectors are available if necessary. 5-pin connectors are for terminals
X64 and X74. 6-pin connectors are for actuator terminals X53 and X54.
1840395(5) 5 pack of spare 5-pin green connectors
1840405(3) 3 pack of spare 6-pin green connectors
Replacement plugs and cables are available for the OCI412.10 Modbus interface module.
PLUG41 .10 Replacement plugs for terminals X10 and X20 on the
OCI412.10 Modbus interface module
CABLE41 .10 Replacement cable for connecting the OCI412.10
Modbus interface module to the LMV3
A step up transformer is available to increase the voltage to a flame rod in order to boost the
flame signal.
A5Q 000 669 Step up transformer for flame rod

Technical Instructions LMV Series
Document No. LV3-1000
Section 1 Page 6 SCC Inc.
Air Damper Assembly
Actuator – Qty (1) Required
Choose one of the following actuators for the air damper. For more information, refer to
Document No. N7813.
SQM33.550A9 27 in-lb torque, 10mm “D” shaft, 5-80 seconds
SQM33.750A9 90 in-lb torque, 10mm “D” shaft, 17-80 seconds
SQM33.550A9-N4 Same as SQM33.550A9 but with a NEMA 4 seal
SQM33.750A9-N4 Same as SQM33.750A9 but with a NEMA 4 seal
Coupling – Qty (1) Required (Provided With Some Mounting Brackets – See Below)
Zero-lash, flexible couplings are available for SQM33… actuators. For more information, refer
to Document No. CPBK-1000.
CCM10DCA… Flexible couplings for SQM33… actuators
Mounting Bracket Kits - Optional
Modular bracket kits are available to assist in mounting an SQM33… actuator to a variety of
valves or air dampers. A coupling is necessary when using a modular bracket kit. For more
information, refer to Document No. CPBK-2000.
BR-AS… Modular bracket kits for mounting SQM33…
actuators to a variety of valves or dampers