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Related Manuals for Riello LMV5 Series
Summary of Contents for Riello LMV5 Series
- Page 1 LMV51... / LMV52… Display and settings / Commissioning instructions 2915921 (3) - 03/2009...
- Page 3 Contents Safety notes ....................................2 Commissioning instructions for the LMV5... system ......................29 17 Addendum 3: Variable speed drive (VSD) module........................ 50 5921...
- Page 4 Safety notes Safety notes Warnings • Before making any wiring changes in the connection area of To avoid injury to persons, damage to proper- the LMV5..., completely isolate the plant from mains supply ty or the environment, the following warning (all-polar disconnection).
- Page 5 Safety notes Installation notes • Ensure that the electrical wiring inside the boiler is in com- residential area is likely to cause harmful interference in pliance with national and local safety regulations which case the user will be required to correct the interfer- •...
- Page 6 Safety notes Standards and certificates Conformity to EEC directives Electromagnetic compatibility EMC (immunity) 2004/108/EC Directive for gas-fired appliances 90/396/EEC Low-voltage directive 2006/95/EC - Directive for pressure devices 97/23/EEC - Safety limit thermostats to EN 14597 ISO 9001: 2000 ISO 14001: 2004 Cert.
- Page 7 7.3 Display and settings 7.3.1 Menu structure Main menu level Display of operation Normal operation Presetting without pressing the buttons Resetting Fault history Lockout history Boiler setpoint Operation Type of fuel Date, time of day Hours run Start counter Number of lockouts Burner ID Selection of operating mode Manual operation...
- Page 8 Displays Below, the most important displays of «Normal operation» and examples of «Lockout and start prevention messages» and «Parameter settings» are defined. In «Normal operation», the display shown is the default display which automatically ap- pears and which is maintained as long as no settings are made and no unusual events like faults or start preventions occur.
- Page 9 S T A R T U P V I ( P h a s e 3 8 ) Display (cont‘d) S T A R T U P V I I ( P h a s e s 4 0 , 4 2 , 4 4 ) S T A R T U P V I I I ( P h a s e s 5 0 , 5 2 ) S T A R T U P I X...
- Page 10 S H U T D O W N ( P h a s e 7 9 ) Displays (cont‘d) V A L V E P R O V I N G ( P h a s e s 8 0 . . . 8 3 ) 5921...
- Page 11 Lockout and error S A F E T Y P H A S E ( P h a s e 0 1 ) messages L O C K O U T ( P h a s e 0 0 ) Example: Display of lockouts in the lockout history In the event lockout occurs, the display alternates at 5-second intervals.
- Page 12 Example: Immediate display of lockouts Lockout and error messages (cont‘d) In the event lockout occurs, the display alternates at 5-second intervals. Example: Immediate display of safety shutdowns In the event of safety shutdown, the display alternates at 5-second intervals. Example: Immediate display of warnings In the event of warnings, the display alternates at 5-second intervals.
- Page 13 Standard F o r t h e c o m p l e t e p a ra m e t e r l i s t , r e f e r t o Se t t i n g l i s t I 7 5 5 0 . parameterizations (incl.
- Page 14 It is very important to study chapter «Safety notes on settings and parameteriza- Entry of password (PW) tion»! Before changing to the parameter settings range, a password must be entered. For that purpose, the display shown below appears. First, the pointer points to the first character of the line «Access without PW». Access without password is always available for access level «Enduser».
- Page 15 First submenu level Example: Calling up and selecting submenu «Burner control» Second submenu level Example: Calling up and selecting submenu «Times» Third submenu level Example: Calling up and selecting submenu «Times Startup» 5921...
- Page 16 Fourth submenu level Example: Calling up and selecting parameter «Prepurge Time Gas» Setting the parameter: a) After the required parameter has been called up and selected, the display shown be- low will appear. Lines «Curr» and «New» show identical values at first, namely the actual parameter value.
- Page 17 Addressing the actuators To make the addressing, the actuator must be opened. A button and an LED are located (function assignment) behind the actuator’s removable plastic cover. In connection with addressing with the help of the AZL5…, the button is used to define the address of an actuator.
- Page 18 Button for addressing is pressed (display during 7550d11E addressing procedure) Time The actuator gives the addressing number via the LED. The blink interval is 200 ms: Addressing completed, normal operation of actuator 1 pulse air actuator 2 pulses gas actuator 3 pulses oil actuator 4 pulses...
- Page 19 Special function The following section covers the parameter settings of the curves used by the basic unit curve settings fuel / air module «Fuel / air ratio control». ratio control S e l e c t i o n m e n u « R a t i o c o n t r o l » The selection menu looks as follows: Selection of 3) through 6) leads to standard parameter settings of the parameters speci- fied.
- Page 20 A more detailed description of both approaches is given below: E d i t i n g o r i n t r o d u c i n g a n i n d i v i d u a l p o i n t In this setting mode, an individual point of curve is edited by acknowledging the pointer on «Point»...
- Page 21 - Continue with Enter This selection can be used to determine whether the load and the positions of the se- lected curvepoint shall be approached. Hence, curvepoints can be changed without hav- ing to approach them. The following description also applies to without driving, but the load and the positions will not be approached: Curvepoints that have been changed with the without driving function must be checked to ensure that their combustion values will be correct!
- Page 22 After the selected point of curve has been reached by the system: - Continue with Enter Now, the selected parameter can be changed online. This means that the system fol- lows the changes at the rate of the selected ramp speed. Press Enter to save the changed values.
- Page 23 C a n c e l i n g a c u r v e p o i n t When accessing this menu, the pointer is positioned on «Point». To cancel a curvepoint, the pointer must be positioned on «Point». - Pointer positioned on «Point»: - Continue with Enter Point of curve number...
- Page 24 After pressing Enter , the following display appears: This menu enables the installer to manually change the output by using incrementing or decrementing commands, letting the actuators operate on interpolated straight lines (outside the parameterized curvepoints: Extrapolation). Above that, the currently ac- quired O2 value will now be shown if a PLL52.110A200 O2 module and an O2 sensor are connected to the system.
- Page 25 5. Curve settings via manual control The system continues the startup sequence and assumes normal operation. The first curvepoint entered are the ignition positions and the load entered is the number of de- grees (angular rotation) of the fuel actuator. 90°...
- Page 26 90° Pos. FUEL 0° 100 % 7550d09e/0704 Load Change of load / position with several points Using this method, up to 15 points can be defined. 6. Shutdown On the menu: «Params & Display» «Ratio Control» «Settings Gas / Oil» «Special Positions»...
- Page 27 S e l e c t i o n m e n u « S e t t i n g s O i l » Only the data associated with the currently active type of fuel can be parameterized. Selection of 1) (HomePositions, PrepurgePositions), 3) and 4) leads to standard pa- rameter settings of the parameters specified.
- Page 28 S e t t i n g m u l t i s t a g e f u e l / a i r r a t i o c o n t r o l « F o l l o w e d » The startup is made similar to modulating operation, including automatic entry of the ig- nition positions in the operating positions «Stage 1», if these still display invalid values (showing: XXX.X as a value).
- Page 29 Special function Sequence steps of adaption (self-setting): adaption load control- 1) Starting the adaption Using the AZL5… menu, the heating engineer manually activates the adaption function of the load controller. After selecting menu item «Adaption» (within the parameter settings of the load control- ler), the following display will appear: The pointer is positioned on «Start adaption».
- Page 30 2) End of a successful adaption After the adaption, the relevant characteristics will be displayed. By pressing the Selection buttons, the P-, I- and D-parts as well as the acquired loop delay time Tu will be displayed: < > < >...
- Page 31 Burner identification Burner ID offers the OEM the opportunity - which may also be the OEM’s duty - to store (burner ID) an individual burner ID in each LMV5... system by means of the OEM password, prior to delivery. The burner ID can be entered here, for example. Burner ID is then used to enable or disable the data transfer between the ba- sic unit and the AZL5…...
- Page 32 Makeup of burner ID Invalid characters for the burner ID are all vowels (ä, ö, ü and ß). Minimum length of burner ID = 4 characters Maximum length of burner ID = 15 characters Languages The AZL5… can output the display texts in different languages. Changeover to another language takes place via menu «Params &...
- Page 33 7.4 TÜV (German technical inspection association) test The TÜV test function may only be performed by authorized staff. It is possible to activate the loss-of-flame test, and the safety limit thermostat test Loss-of-flame test The loss-of-flame test is triggered manually with the AZL5… and produces an interrup- tion of the flame signal.
- Page 34 Commissioning instructions for the LMV5... system 8.1 Practice-oriented setting instructions for the system configuration, the burner control, and the electronic fuel / air ratio control system These settings instructions serve for commissioning the LMV5… system. To access the parameter setting levels, a password must be entered. After having entered the correct password, the data will appear on the AZL5…...
- Page 35 4. Setting gas valve proving Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display BurnerControl ValveProving ValveProvingType Selection of gas valve proving: No VP, VP startup, VP shutdown or VP stup/shd «Gas valve proving system») 5.
- Page 36 6. Selecting the actuator’s direction of rotation Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display Actuators DirectionRot DeleteCurves 1. AirActuator 2. GasActuat.(Oil) 3. OilActuator 4. AuxActuator 5. AuxActuator 2 6.
- Page 37 8. Setting the load controller (option) Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController Configuration LC_OptgMode Select a load controller operating mode in accordance with the examples given in chap- ter «Operating modes with load controller».
- Page 38 8.1.2 Settings for gas-fired operation The next steps explain how the fuel / air ratio control system is to be set. Specific curves are required for each type of fuel. 10. Activating program Activate a program stop when startup shall be stopped to set the special positions. stops in different program phases Prepurging...
- Page 39 13. Actuator positions The burner control stops startup during the prepurge phase (phase 24). during the prepurge time The positions of the actuators for prepurging can thus be set very straightforwardly. Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6...
- Page 40 15. Setting the curve First setting The burner travels to the ignition load. The burner’s output should now be increased manually and in steps of the curve setting until the nominal capacity (100 %) is reached. During the manual procedure, the actuators travel on the interpolated straight line to the maximum position of 90°...
- Page 41 Changing an existing curve The curvepoints can be changed during burner off periods (phase 12) or during burner operation (phase 60). To change an existing curve, select the curvepoint in «Point» mode. You are now able to change the point, or to cancel it. Menu level 1 Menu level 2 Menu level 3...
- Page 42 8.1.3 Settings for multistage oil-fired operation 18. Fuel changeover Fuel changeover on the AZL5… is possible only if input «FuelSelect» is set to «internal». for oil-fired operation Set fuel selection to «Oil» or set the external fuel selector to «Oil». Menu level 1 Menu level 2 Menu level 3...
- Page 43 21. Checking and For the parameters «home, prepurge and postpurge position», the parameter set as sup- presetting the ignition plied contains presettings. These should be checked and, if necessary, adapted, either positions for firing on oil now or during the following program stops. There is no presetting for the ignition position.
- Page 44 24. Ignition positions The burner control proceeds with the startup sequence until the ignition position (phase 36) is reached. There, the burner control stops again for setting the ignition positions of the actuators. Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6...
- Page 45 25. Setting the burner The burner runs at ignition load or at the first burner stage. The positions of the actua- stages tors can now be changed. Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params &...
- Page 46 26. Shutdown Select «Autom/Manual/Off» and then «BurnerOff». Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 ManualOperation Autom/Manual/Off 5921...
- Page 47 8.1.4 Extra functions of the LMV5... 27. Valve proving (leakage test) Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display BurnerControl ValveProving ValveProvingType Config_PM-VP/CPI VP_EvacTme VP_TmeAtmPress VP_FillTme VP_Tme_GasPress The gas volume contained in the piping between the valves (including the valve vol- ume) must be calculated in accordance with the gas train.
- Page 48 = 30 mbar Example 1 (calculation = 15 mbar of test time) (30 - 15) mbar • • 3600 s / h P atm = 1013 mbar t Test = = 3.2 s = 3 l 1013 mbar 50 l / h Q Leck = 50 l / h •...
- Page 49 8.1.5 Configuration of the load controller Selection of operating «Operating modes with the load controller» mode Example: Internal load controller with Pt1000 sensor. Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params &...
- Page 50 8.1.6 Control parameters of the load controller The control parameters can be defined in 3 different ways. 1. Selection of the The memory of the load controller contains 5 standard parameter sets. standard parameter set Depending on the characteristics of the controlled system, a PID triple value can be se- lected and activated.
- Page 51 Temperature limiter func- The integrated temperature limiter observes a separate temperature limit. tion (for details «Integrated temperature limiter function»). After the switch-off point in °C for the temperature limiter has been entered, the relative switch-on point in % will be given. Example: TW_Threshold_Off: 80 °C...
- Page 52 2-position controller Example: Modulating control (C = ON / OFF) After the boiler setpoint in °C has been entered, the switch-on and switch-off point of the 2-position controller in % will be given. The switching points will be calculated in relation to the current setpoint. Example: Setpoint: 70 °C...
- Page 53 Cold start thermal shock When the cold start thermal protection has been activated, a boiler – after having dropped protection (CSTP) below a predefined switch-on threshold – will be heated up in multistage operation. This approach ensures that when cold, the boiler does not have to satisfy the maximum demand for heat within a very short period of time.
- Page 54 Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController ColdStart ColdStartOn ThresholdOn StageLoad StageStep_Mod StageStep_Stage MaxTmeMod MaxTmeStage ThresholdOff 5921...
- Page 55 17 Addendum 3: Variable speed drive (VSD) module (Only with LMV52.2... and AZL52…) General The VSD module is an extension to the LMV5... burner control system and is used for the control of VSD that ensure safety-related supervision of the fan speed. 2 fuel meters (oil and gas) can be connected as an option.
- Page 56 17.1 VSD module General A VSD can be connected to the VSD module integrated in the LMV52.2... The VSD is controlled via an analog current output and a potential-free release contact. Evaluation of the alarm feedback signal from the VSD is accomplished with a 0...24 V output.
- Page 57 Analog output to This output is used for delivering the preselected speed setpoint to the VSD. the VSD X73-4 Current: 0 / 4...20 mA 0...105 % ( «Standardization of Speed») Output load: max. 750 (burden), short-circuit-proof Resolution: 0.1 % Cross-sectional area of wire: 0.1 mm This function is used to trigger safety shutdown as quickly as possible (within about 1 Quick shutdown in the...
- Page 58 Safe separation between All inputs and outputs of the VSD module comply with the requirements for mains voltage and protective extra low-voltage. Hence, the mains voltage section must strictly be protective extra low-voltage separated! Sensor disk Sensor disk and speed sensor can be ordered as accessory set AGG5.310. Number of tappets: Angular steps: 60°, 120°, 180°...
- Page 59 17.1.2 Configuring the VSD The VSD must be configured in accordance with the type of motor connected. The acceleration and deceleration ramps must be set about 30 % shorter than the ramps parameterized in the electronic fuel / air ratio control system of the LMV52.2... Example: Drive ramp of 10 seconds VSD ramps to be set to 7 seconds Drive ramp of 30 seconds...
- Page 60 17.1.3 Configuration of speed acquisition The speed sensor to be used must be an inductive sensor (Namur or open collector (pnp) (refer to subsection Inputs / Outputs). The motor speed is acquired with an asym- metric sensor disk having 3 protrusions spaced at 60°, 120° and 180° respectively. The number of protrusions must be appropriately parameterized.
- Page 61 Settling time If oscillations occur during extensive running times, the settling time between accelera- tion ramp and speed measurement can be extended to overcome the problem. Parameter Settling Time (in x 25 ms) Value of 16 means 16 25 ms = 400 ms •...
- Page 64 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.rielloburners.com Subject to modifications...