Siemens LMV 5 Series Manual de usuario

User manual

Siemens LMV 5x

M12914CA Rev.0 03/2008

SIEMENS LMV CONTROLLED BURNERS

Keys

1 Burner

2 Combustion head actuator

3 Gas butterfly valve actuator

4 Oil pressure governor actuator

5 Air damper actuator

6 Siemens LMV burner control

7 Personal Computer

8Gastrain

9Inverter

10 Siemens AZL User interface

The control system is made of the Siemens LMV central unit (6) that performs all the burner control functions and of the Siemens AZL

local programming unit (10) that interfaces the system with the user.

Main features:

zno mechanical linkages

zbuilt-in burner control box

zbuilt-in gas proving system

zmore flame checking devices available for several applications

zPID load controller

zup to six actuators can be controlled. Each of them is independent for the best burner setup

zbest air/fuel ratio. Repeatability and precision of set adjustments

zModbus communication

zmultilevel password

zsettings via PC

zadjustable prepurging time (according to the relevant Standards)

zcontinuous ventilation

zpost purging (adjustable time)

zproving system settable to on and off

zadjustable proving system time for all the valve volumes

zload controller settable to on and off

zthermal shock protection function settable to on and off (for cold starts)

zcontinuous operation and flame detection probe

Note: the picture above shows a complete control system.

USER SETTINGS

Go on adjusting the burner.

Users can set only the LMV parameters that can be accessed without password: (see “Adjusting the temperature set-point”).

The Siemens AZL User Interface allows programming the Siemens LMV control box and monitoring the system data.

The user interface is made of:

1. display: it showes menus and parameters

2. ESC key (previous level): it goes back to the prevoius level menu or exits the programming mode without changing data.

3. ENTER key (next level): it confirms the data changing and jumps to the next menu/parameter.

4. SELECT keys: they select a menu item and change the parameter values.

To know the actuator functions, proceed as follows:

1 remove the actuator covers

2 check the number of the LV green LED blinks for each actuator:

Blinks Actuator function

1 blink air damper actuator

2 blinks gas butterfly valve actuator

3 blinks oil pressure governor actuator

4 blinks auxiliary actuator

5 blinks auxiliary actuator

6 blinks auxiliary actuator

CAUTION: it is recommended not to adjust the actuators. Anyway, never press the actuator red button, otherwise the fun-

damental parameters, necessary for the burner operation, will be cancelled. The burner will therefore continuously lock out.

Start-up procedure

1 Turn the burner on according to the following:

zual fuel burners: choose the requested fuel by means of the related control panel switch

zone fuel burners: turn the burner on by means of the burner main switch (placed on the burner control panel)

2 the LMV controller starts the system test cycle: the AZL display shows the System Test message; at the end of the test, it shows

the main page and the system stops (the safety chain is open) waiting for the startup enabling signal (standby - Program phase no.

12)

3 check the fan motor rotation;

4 (light/heavy oil burners) with the electrical panel open, prime the oil pump acting directly on the related CP contactor (see next pic-

ture): check the pump motor rotation and keep pressing for some seconds until the oil circuit is charged;

5 bleed the air from the Mpressure gauge port (see next picture) by loosing the cap without removing it, then release the contactor.

6 make the safety chain enabling the system to start up

7 the combustion cycle starts:

- Prepurging (program phase no.30)

- Driving to ignition position (program phase no.36)

- Ignition position (program phase no.38)

- Fuel (the fuel solenoid valves open)

- Flame (the flame lights up)

- Driving to low flame (the actuator drives to low flame).

NOTE: the C and A, on the .

Once the ignition cycle ends, the main page is shown:

Suntec T..

Main page

Setpoint 80°C

Act value

78°C

Fuel GAS

Set point: temperature set-point

Act value: actual temperature value

Load: load percentage (burner output)

Flame: percentage of flame detection current.

By pressing the ENTER key the display shows the second page:

Fuel: it shows (in degrees) the fuel actuator position.

Air: it shows (in degrees) the air actuator position.

Ax1..3: auxiliaries.

VSD: % value on the inverter maximum frequency

O2: oxygen percentage

Ld: load percentage (burner output).

Press the ENTER key to go back to the main page.

To access the main menu, from the main page, press the ESC key twice:

By pressing the ESC key once, the Operational Status (first item in the main menu) menu is directly shown:

the Operational Status menu provides the following items:

Normal operation: by selecting this item and pressing the ENTER key, the main page is shown; press ESC to go back to the main

menu.

Status/Reset: it shows system errors or faults occuring / it represents the lockout reset function.

Fault History: by selecting this item and pressing the ENTER key, the Lockout History will be shown about the last 21 faults occured.

Lockout History: by selecting this item and pressing the ENTER key, the Lockout History will be shown about the last 9 lockouts

occured, and the related date and hour.

Alarm act/deact: enable/disable the horn in case of alarm.

Main page

Setpoint 80°C

Act value

78°C

Load 24%

Second page

Fuel 0.0 Air 1.8

Ax1 VSD 0.0

Ax2 O2

Ax3 Ld 0.0

Operational status

Operation

Manual Operation

Params& Display

Main menu

Normal operation

Status/Reset

Fault History

Lockout History

Fault History

To visualise the Fault History, select it and press the ENTER key. The message will be as:

alternating by an error message as:

To see the other Fault History pages, press the arrow keys.

To exit the Fault History pages, press ESC.

Lockout History

To visualise the Lockout History, choose the related item and press ENTER. The message will be:

alternating by an error message as:

To see the other Lockout History pages, press the arrow keys.

To exit the Lockout History pages, press ESC.

Setting the temperature set-point value

To set the temperature set-point value, that is the generator operating temperature; proceed as follows.

From the main page, enter the main menu by pressing the ESC key twice:

by means of the arrow keys, select “Params&Display”, press ENTER: the system will ask you to enter the proper password

1 Class: 05Gas

Code BF Phase: 10

Diag.: 00 Lod: 0.0

Start No. 88

O2 control and

limiter automat

deactivated

1 10.08.07 13.47

C:71 D:00 F: 12

Start No: 88

Load 0.0 Gas

No flame at end

of safety time

Operational Status

Operation

Manual Operation

Params& Display

by means of the arrow keys, select “Access w-out pass” (access without password - user level), confirm by pressing ENTER.

The other levels require password reserved to the Technical Service, to the Manifacurer, etc.

The menu accessed without password is the following:

Choose “LoadController” and press ENTER: the following menu is shown:

Choose “ControllerParam” and press ENTER: the following menu is displayed:

Choose “SetPointW1” and press ENTER:

Curr: it shows the current set-point; use the arrows keys to change it.

NOTE: the available range depends on the probe used; the measure unit of the detected data and its relevant limits are set by “Service”

level parameters.

Once the new set-point is set, confirm by pressing ENTER, otherwise exit without changings by pressing ESC.

Press ESC to exit the set-point programming mode.

Once the temperature set-point W1 is imposed, set the Switch-on (SDon) and the Switch-off (SDoff) point of the 2-position controller:

To set these values, select the item SD_ModOn (SDOn), by scrolling down the “Load controller” menu with the arrow keys and press

ENTER:

Access w-out PW

Access Serv

Access OEM

Access LS

BurnerControl

RatioControl

O2Contr./Guard.

LoadController

ControllerParam

Configuration

Adaption

SW Version

ContrlParamList

MinActuatorStep

SW_FilterTmeCon

SetPointW1

SetpointW1

Curr: 90°

New: 90°

Setpoint Actual value

SDoff

SDon

the display will show:

The deafult value for this parameter is1% that is, the burner will light again at a temperature 1% lower than the set-point.

Change value, if needed, by means of the arrow keys; press ENTER to confirm and the press ESC to exit. Press only ESC to exit

without changing.

Now choose SD_ModOff always scrolling down theLoad Controller menu, by menas of the arrow keys, and press ENTER.

the display will show:

The deafult value for this parameter is10% that is, the burner will turn off at a temperature 1% higher than the set-point.

Change value, if needed, by means of the arrow keys; press ENTER to confirm and the press ESC to exit. Press only ESC to exit

without changing.

Press the ESC key until the following menu is shown:

scroll this menu down until the tiem “AZL” is reached

confirm by pressing ENTER:

SetPointW1

SetPointW2

SD_ModOn

SD_ModOff

SD_ModOn

Curr: 1.0%

New: 1.0%

SetPointW1

SetPointW2

SD_ModOn

SD_ModOff

Curr: 10.0%

New: 10.0%

BurnerControl

RatioControl

O2Contr./Guard.

LoadController

AZL

Actuators

VSD Module

Times: it sets the “Summer (SUM) Time / Winter (WIN) Time” operation and the continent (EU - Europe; US - United States)

choose the Summertime/Wintertime mode desired and cofirm by pressing ENTER; press ESC to exit.

Set the time zone (Time EU/US) in the same way.

Languages: it allows setting the current language

choose the desired language and cofirm by pressing ENTER; press ESC to exit.

DateFormat: it allows setting the date format as DD-MM-YY (day-month-year) or MM-DD-YY (month-day-year)

choose the desired format and cofirm by pressing ENTER; press ESC to exit.

PhysicalUnits: it allows setting the measuring units for temperature and pressure

Temperature units: °C or °F

Pressure units: bar or psi.

choose the desired unit and cofirm by pressing ENTER; press ESC to exit.

System lockout

If the system locks out, the following message will appear:

call the Technical Service and tell the message data.

Times

Languages

DateFormat

PhysicalUnits

Sum/Winter Time

Time EU/US

Languages

Curr: Italiano

New: English

DateFormat

Curr: DD-MM-YY

New: MM-DD-YY

UnitTemperature

UnitPressure

1 Class: 05Gas

Code BF Phase: 10

Diag.: 00 Lod: 0.0

Start No. 88

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