Siemens LMV 5 Series User manual

CC1N7550en

24.05.2011

Building Technologies Division

Industry Sector

7550

Burner Management

System LMV5...

Burner control with integrated fuel / air ratio control and load control for use with

forced draft burners.

Burner control with integrated fuel / air ratio control and load control for use with

forced draft burners including oxygen trim control.

The LMV5... and this Data Sheet are intended for use by OEMs which integrate

the burner management systems in their products!

Use

LMV5... is a microprocessor-based burner management system with matching system

components for the control and supervision of forced draft burners of medium to high

capacity.

- For gas burners with and without fan to EN 298: 2003

- For oil burners to EN 230: 2005

LMV51...

LMV52...

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Industry Sector 24.05.2011

Warning notes

For additional safety notes, refer to the Basic Documentation of the LMV5... sys-

tem (P7550)!

To avoid injury to persons, damage to property or the environment, the following

warning notes must be observed!

The LMV5... is a safety device! Do not open, interfere with or modify the unit.

Siemens will not assume responsibility for any damage resulting from unauthor-

ized interference!

•All activities (mounting, installation and service work, etc.) must be performed by

qualified staff

•Before making any wiring changes in the connection area of the LMV5..., com-

pletely isolate the plant from mains supply (all-polar disconnection). Ensure that the

plant cannot be inadvertently switched on again and that it is indeed dead. If not

observed, there is a risk of electric shock hazard

•Ensure protection against electric shock hazard by providing adequate protection

for the connection terminals and by securing the housing cover

•Each time work has been carried out (mounting, installation, service work, etc.),

check to ensure that wiring and parameterization is in an orderly state and make

the safety checks as described in «Commissioning notes»

•Fall or shock can adversely affect the safety functions. Such units must not be put

into operation, even if they do not exhibit any damage

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Mounting notes

•Ensure that the relevant national safety regulations are complied with

200

182

232

250

Mountingplate

Size>2mm

132

Mountingplate

Size1.5...4mm

7550m02e/1208

Notes for mounting LMV5...

Notes for mounting AZL5...

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Installation notes

•Always run high-voltage ignition cables separately while observing the greatest

possible distance to the unit and to other cables

•Do not mix up live and neutral conductors

Electrical connection of the flame detectors

It is important to achieve practically disturbance- and loss-free signal transmission:

•Never run the detector cable together with other cables

– Line capacitance reduces the magnitude of the flame signal

– Use a separate cable

•Observe the maximum permissible detector cable lengths

•The ionization probe is not protected against electric shock hazard. It is mains-

powered and must be protected against accidental contact

•Locate the ignition electrode and the ionization probe such that the ignition spark

cannot arc over to the ionization probe (risk of electrical overloads)

Standards and certificates

Conformity to EEC directives

- Electromagnetic compatibility EMC (immunity)

- Directive for gas-fired appliances

- Low-voltage directive

- Directive for pressure devices

- Safety limit thermostats

2004/108/EC

2009/142/EC

2006/95/EC

97/23/EEC

to EN 14597

Safety and control devices for gas and/or oil burners and gas and/or

oil appliances - Particular requirements -

Part 1: Fuel/air ratio controls, electronic type ISO 23552-1:2007

ISO 9001: 2010

Cert. 00739

ISO 14001: 2010

Cert. 38233

Type CSA

LMV51.000C1 zzz--- --- --- zzz

LMV51.000C2 zzz--- --- --- zzz

LMV51.040C1 --- z--- zzzzzz

LMV51.040C2 --- z--- --- --- --- zzz

LMV51.100C1 zzz--- --- --- zzz

LMV51.100C2 zzz--- --- --- zzz

LMV51.140C1 --- z--- zzzzzz

LMV51.140C2 --- z--- --- --- --- zzz

LMV51.300B1 zzz--- --- --- --- --- z

LMV51.300B2 zzz--- --- --- --- --- z

LMV51.340B1 --- z--- zzz--- --- z

LMV52.200B1 zzz--- --- --- ---

LMV52.200B2 zzz--- --- --- --- zz

LMV52.240B1 --- z--- zzz--- zz

LMV52.240B2 --- z--- --- --- --- ---

LMV52.400B2 zzz--- --- --- --- --- z

LMV52.440B1 --- z--- --- --- --- --- ---

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Supplementary documentation

User documentation AZL5… Modbus......................................................................A7550

User Documentation, basic diagram for LMV5...

with 2 types of gas ................................................................................................A7550.1

User Documentation, basic diagram for LMV5...

with 2 types of liquefied fuel..................................................................................A7550.3

Operating Instructions ACS450 PC Software for LMV5... ....................................... J7550

Setting Lists .............................................................................................................. I7550

Fundamentals on Installation LMV5….................................................................. J7550.1

Basic Documentation LMV5….................................................................................P7550

Range Overview LMV5… ....................................................................................... Q7550

Operating Instructions AZL5… (U7550.2) for heating engineer level ......... 74 319 0306 0

Operating Instructions AZL5… (U7550.3) for user level............................. 74 319 0307 0

Service notes

•If fuses are blown, the unit must be returned to Siemens

Life cycle

Burner controls has a designed lifetime* of 250,000 burner startup cycles which, under

normal operating conditions in heating mode, correspond to approx. 10 years of usage

(starting from the production date given on the type field). This lifetime is based on the

endurance tests specified in standard EN 230/EN 298 and the table containing the rele-

vant test documentation as published by the European Association of Component

Manufacturers (Afecor) (www.afecor.org).

The designed lifetime is based on use of the burner controls according to the manufac-

turer’s Data Sheet and Basic Documentation.

After reaching the designed lifetime in terms of the number of burner startup cycles, or

the respective time of usage, the burner control is to be replaced by authorized person-

nel.

* The designed lifetime is not the warranty time specified in the Terms of Delivery

Disposal notes

The unit contains electrical and electronic components and must not be disposed of to-

gether with domestic waste.

Local and currently valid legislation must be observed.

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Mechanical design

The following system components are integrated in the basic unit of the LMV5…:

•Burner control with gas valve proving system

•Electronic fuel / air ratio control for use with a maximum of 4 (LMV51…) or 6

(LMV52…) actuators

•Optional PID temperature / pressure controller (load controller)

•Optional variable speed drive module (VSD module)

Example:

Dual-fuel burner

- Gas: Modulating

- Oil: 2-stage

The system components (display and operating unit, actuators and O2 module) are in-

terconnected via a CAN bus system. Communication between the bus users is ensured

via a reliable, system-based data bus. For safety reasons, integration of the bus into

external CAN bus systems is not allowed. All safety-related digital inputs and outputs of

the system are constantly monitored by a contact feedback network (CFN). For flame

supervision in connection with the LMV5... and continuous operation, the QRI... infrared

flame detector, the QRA7... UV flame detector or an ionization probe can be used and,

for intermittent operation, the optical flame detectors type QRB... or QRA2…, QRA4.U,

QRA10… with AGQ1… (AC 230 V).

The burner management system is operated and programmed with the help of the dis-

play and operating unit (AZL5...) or a PC tool. The AZL5... features clear-text display

and menu-driven operation, thus offering straightforward operation and targeted diag-

nostics. To simplify diagnostics, the display shows the operating states, the type of fault

and the point in time the fault occurred. The different parameter setting levels for the

burner / boiler manufacturer and the heating engineer are protected by passwords. Ba-

sic settings that the plant operator can make on site do not demand a password. Fur-

ther, the display and operating unit serves as an interface to higher level systems such

as building automation and control systems (BACS) or a PC which has the ACS450

software installed. Among other features, the unit affords convenient readout of settings

and operating states, parameterization of the LMV5..., and trend logging.

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Mechanical design (cont´d)

When replacing the LMV5... basic unit (BU), all parameters can be saved in a backup

memory of the AZL5… to be downloaded again when the new unit is installed. Hence,

manual reprogramming is not required.

To design specific fuel trains, the burner / boiler manufacturer can choose from a total

of 7 valve families and – by making use of the large number of parameter setting

choices (programming times, configuration of inputs and outputs, etc.) – fuel trains can

be matched to individual needs.

The SQM4.../SQM9... actuators are driven by stepper motors and offer high-resolution

positioning. The characteristics and settings of the actuators are defined by the LMV5...

basic unit.

Type summary

Safety time

TSAmax.

Type reference

Mains voltage

Parameter set

Max. number of

actuators

Automatic adaptation

of controller’s

characteristics

Limit thermostat

Fuel meter input

Integrated gas valve

proving

Integrated PID load

controller

Control of VSD

Analog output

O2 trim control

Gas Oil

LMV51.000C1 AC 120 V Europe 4 --- --- --- z--- --- --- --- 3 s 5 s

LMV51.000C2 AC 230 V Europe 4 --- --- --- z--- --- --- --- 3 s 5 s

LMV51.040C1 AC 120 V US / Canada 4 --- --- --- z--- --- --- --- 10 s 15 s

LMV51.040C2 AC 230 V US / Canada 4 --- --- --- z--- --- --- --- 10 s 15 s

LMV51.100C1 AC 120 V Europe 4 zz--- zz--- z--- 3 s 5 s

LMV51.100C2 AC 230 V Europe 4 zz--- zz--- z--- 3 s 5 s

LMV51.140C1 AC 120 V US / Canada 4 zz--- zz--- z--- 10 s 15 s

LMV51.140C2 AC 230 V US / Canada 4 zz--- zz--- z--- 10 s 15 s

LMV51.300B1 AC 120 V Europe 5 *) zzzzzzz--- 3 s 5 s

LMV51.300B2 AC 230 V Europe 5 *) zzzzzzz--- 3 s 5 s

LMV51.340B1 AC 120 V US / Canada 5 *) zzzzzzz--- 10 s 15 s

LMV52.200B1 AC 120 V Europe 6 zzzzzzzz3 s 5 s

LMV52.200B2 AC 230 V Europe 6 zzzzzzzz3 s 5 s

LMV52.240B1 AC 120 V US / Canada 6 zzzzzzzz10 s 15 s

LMV52.240B2 AC 230 V US / Canada 6 zzzzzzzz10 s 15 s

LMV52.400B

AC 230 V Europe 6zzzzzzzz3 s 5 s

LMV52.440B1 AC 120 V US / Canada 6zzzzzzzz10 s 15 s

*) When the VSD module is activated, only 4 SQM4.../SQM9... actuators can be

controlled!

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Industry Sector 24.05.2011

Technical data

Mains voltage AC 120 V

-15% / +10%

AC 230 V

-15% / +10%

Transformer

- Primary side

- Secondary side 1

- Secondary side 2

AGG5.210

AC 120 V

AC 12 V

2 x AC 12 V

AGG5.220

AC 230 V

AC 12 V

2 x AC 12 V

Mains frequency 50 / 60 Hz ±6% 50 / 60 Hz ±6%

Power consumption <30 W (typically) <30 W (typically)

Safety class I, with parts according to II and III to

DIN EN 60730-1

Terminal loading «Inputs»

•Perm. mains primary fuse

(externally)

Max. 16 AT Max. 16 AT

•Unit fuse F1 (internally) 6.3 AT to

DIN EN 60127 2/5

6.3 AT to

DIN EN 60127 2/5

•Mains supply: Input current depending on operating state of the unit

Undervoltage

•Safety shutdown from operating

position at mains voltage

<AC 96 V <AC 186 V

•Restart on rise in mains voltage >AC 100 V >AC 188 V

Oil pump / magnetic clutch

(nominal voltage)

•Nominal current 1,6 A 2 A

•Power factor Cosϕ>0.4 Cosϕ>0.4

LP test valve (nominal voltage)

•Nominal current 0.5 A 0.5 A

•Power factor Cosϕ>0.4 Cosϕ>0.4

Status inputs (KRN): Status inputs (with the exception of the safety loop) of the con-

tact feedback network (CFN) are used for system supervision and require mains-

related input voltage

•Input safety loop Refer to «Terminal loading outputs»

•Input currents and input voltages

- UeMax

- UeMin

- IeMax

- IeMin

UN +10%

UN -15%

1.5 mA peak

0.7 mA peak

UN +10%

UN -15%

1.5 mA peak

0.7 mA peak

•Contact material recommendation

for external signal sources (LP,

DWmin, DWmax, etc.)

Gold-plated silver contacts

•Transition / settling behavior /

bounce

- Perm. bounce time of contacts

when switching on / off

Max. 50 ms

(after the bounce time, the contact must

stay closed or open)

•UN AC 120 V AC 230 V

•Voltage detection

- On

- Off

AC 90...132 V

<AC 40 V

AC 180...253 V

<AC 80 V

Terminal loading «Outputs»

Total contact loading:

(nominal voltage)

•Unit input current (safety loop) total

contact current from:

- Fan motor contactor

- Ignition transformer

- Valves

- Oil pump / magnetic clutch

Max. 5 A Max. 5 A

LMV5... basic unit

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Technical data (cont’d)

Individual contact loading:

Fan motor contactor

•Nominal voltage AC 120 V AC 230 V

•Nominal current 1 A 1 A

•Power factor Cosϕ>0.4 Cosϕ>0.4

Alarm output (nominal voltage)

•Nominal current 1 A 1 A

•Power factor Cosϕ>0.4 Cosϕ>0.4

Ignition transformer (nominal voltage)

•Nominal current 1.6 A 2 A

•Power factor Cosϕ>0.2 Cosϕ>0.2

Fuel valves-gas (nominal voltage)

•Nominal current 1.6 A 2 A

•Power factor Cosϕ>0.4 Cosϕ>0.4

Fuel valves-oil (nominal voltage)

•Nominal current 1.6 A 1 A

•Power factor Cosϕ>0.4 Cosϕ>0.4

Cable lengths

•Mains line Max. 100 m

(100 pF/m)

Max. 100 m

(100 pF/m)

•HCFN line Max. 100 m

(100 pF/m) ¹)

Max. 100 m

(100 pF/m) ¹)

•Analog line Max. 100 m

(100 pF/m)

Max. 100 m

(100 pF/m)

•Flame detector Refer to chapter «Technical Data / Flame

supervision»

•CAN bus Total lengths max. 100 m

&Note!

¹) If the cable length exceeds 50 m, additional loads must not be connected to the

status inputs (refer to «Power supply for the LMV5… system»)!

Above a certain cable length, the actuators must be powered by a separate transformer

installed near the actuators.

The cross-sectional areas of the mains power lines (L, N, PE) and, if required, the

safety loop (safety limit thermostat, water shortage, etc.) must be sized for nominal cur-

rents according to the selected external primary fuse. The cross-sectional areas of the

other cables must be sized in accordance with the internal unit fuse (max. 6.3 AT).

Min. cross-sectional area 0.75 mm²

(single- or multi-core to VDE 0100)

Cable insulation must meet the relevant temperature requirements and conform to the

environmental conditions. The CAN (bus) cables have been specified by Siemens and

can be ordered as accessory items. Other cables must not be used. If this is not

observed, the EMC characteristics of the LMV5... system will be unpredict-

able!

Fuses used in the LMV5... basic unit

- F1 6.3 AT

DIN EN 60127 2/5

6.3 AT

DIN EN 60127 2/5

- F2 4 AT

GMD-4A

4 AT

DIN EN 60127 2/5

- F3 4 AT

GMD-4A

4 AT

DIN EN 60127 2/5

Cross-sectional areas

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Technical data (cont’d)

Operating voltage AC 24 V -15% / +10%

Power consumption <5 W (typically)

Degree of protection of housing

- Rear

- Front

IP00 to IEC 529

IP54 to IEC 529 when installed

Safety class I, with parts according to II and III to

DIN EN 60730-1

Battery:

Supplier Type reference

VARTA CR 2430 (LF-1/2 W)

DURACELL DL 2430

SANYO ELECTRIC, Osaka / Japan CR 2430 (LF-1/2 W)

RENATA AG, Itingen / CH CR 2430

Mains voltage «X89-01» AC 120 V

–15% / +10%

AC 230 V

–15% / +10%

Safety class I, with parts according to II

to DIN EN 60730-1

Mains frequency 50 / 60 Hz ±6% 50 / 60 Hz ±6%

Power consumption Approx. 4 VA Approx. 4 VA

Degree of protection IP54, housing closed

Cable lengths / cross-sectional areas:

•Electrical connection «X89» Screw terminals up to 2.5 mm²

•Cable lengths ≤10 m to QGO20...

•Cross-sectional areas Refer to QGO... description, twisted pairs

Analog inputs:

•Supply air temperature sensor Pt1000 / LG-Ni1000

•Flue gas temperature sensor Pt1000 / LG-Ni1000

•QGO20... Refer to Data Sheet N7842

•Interface Communication bus for LMV52...

Transformer AGG5.220

- Primary side

- Secondary side

AC 230 V

AC 12 V (3x)

Transformer AGG5.210

- Primary side

- Secondary side

AC 120 V

AC 12 V (3x)

Cable types:

AGG5.641 8 mm dia. ±0.2 mm

Bending radius ≥120 mm

Ambient temperature -30...+70°C

(no movements of cable)

Cable is resistant to almost all types of

mineral oil

AGG5.631 7.5 mm dia. ±0.2 mm

Bending radius ≥113 mm

Ambient temperature -30...+70°C

(no movements of cable)

Cable is resistant to almost all types of

mineral oil

AZL5... operating

and display unit

PLL52...

AGG5.2…

CAN bus cable

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