Basic unit with integrated air-fuel ratio control for forced draft burners (213 pages)
Summary of Contents for Siemens LMV51 Series
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The LMV5... and this Basic Documentation are intended for OEMs which integrate the system in their products! Based on the following software versions: LMV51... : V02.30 LMV52...: V01.10 Siemens Building Technologies Int. LC: V01.60 Int. VSD module: V01.30 HVAC Products AZL51...: V02.50 AZL52...: V03.80...
− Pressure switch-min-gas, start release gas (PSmin-gas) X9–03 ..39 − Start release gas X7–03 (only with LMV52...)........40 − Pressure switch-max-gas, (PSmax-gas) X9–03 ........40 − Pressure switch-min-oil (PSmin-oil) X5–01 ...........40 − 4/301 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 13.08.2004...
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Light oil with gas pilot ignition ............... 57 − Heavy oil with gas pilot ignition ............. 58 − Legend to the sequence diagrams ............59 − Fuel / air ratio control (FARC) ..............60 General......................60 5/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 13.08.2004...
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Integrated 2-position controller (C = ON / OFF)..........74 General ....................74 − Switching differentials................74 − 6.4.2 Modulating control..................75 General ....................75 − Function diagrams.................75 − Control parameters ................75 − Manual setting of the control parameters ..........75 − 6/301 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 13.08.2004...
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Connecting cable to the e-bus adapter ..........91 − Connecting cable to the PC ..............91 − Ports of the AZL5… ..................92 7.2.1 Port for the PC....................93 7.2.2 Connection to superposed systems .............. 94 7/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 13.08.2004...
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/ air ratio control system ........150 8.1.1 Basic configuration..................150 1. Parameterizing the burner identification (burner ID) .......150 − 2. Selecting the fuel trains ..............150 − 8/301 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 13.08.2004...
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Loads on terminals, cable lengths and cross-sectional areas .....203 Loads on terminals ................203 − General data..................203 − Mains supply..................203 − Undervoltage ...................203 − Oil pump / magnetic clutch ..............203 − APS test valve .................203 − 10/301 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 13.08.2004...
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Configuration of current interface ..............258 18.1.5 Configuration of fuel meter ................258 Pulse value gas................258 − Pulse value oil ................. 258 − 18.1.6 Fuel meter readings..................259 18.1.7 Process data....................259 11/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 13.08.2004...
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Commissioning the O2 trim control system ..........283 19.11.1 Setting ratio control ..................283 19.11.2 Setting the O2 monitor .................283 19.11.3 Direct entry of O2 min. values..............284 19.11.4 Measuring the O2 min. values by lowering the air rate........284 12/301 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 13.08.2004...
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Display and operating unit AZL5..............295 21.4.1 Software changes to the flash memory ............295 21.4.2 New designations of load controller inputs ..........295 21.4.3 Fuel counter with reading in liters..............295 13/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 13.08.2004...
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Preventing the transfer of parameter copies from new basic units to the backup memory of the AZL5..................295 21.4.5 Parameter changes..................295 21.4.6 Name changes of load controller operating modes ........295 21.4.7 New display text for actuator faults ..............296 14/301 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 13.08.2004...
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Observe the following warning notes to help prevent damage to persons, prop- erty or the environment! The LMV5... is a safety device! Do not interfere with or modify the unit. Siemens BT will not assume responsibility for damage resulting from unauthorized inter- ference! The addendum to the LMV51.2...
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Connect the equipment into an outlet on a circuit different from that to which the re- ceiver is connected • Consult the dealer or an experienced radio / TV technican for help 16/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 1 Safety notes...
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OEM allocates individual passwords to the setting levels he can access. The stan- dard passwords used by Siemens BT must be changed by the OEM. These pass- words are confidential and may only be passed on to persons authorized to access such setting levels •...
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Each time a unit has been replaced, check to ensure that wiring is in an orderly state • If fuses are blown, return the complete unit to Siemens BT 1.9 Disposal notes The unit contains electrical and electronic components and must not be disposed of to- gether with household waste.
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QRI... or ionization probes can be used for continuous operation, and photoresistive flame detectors type QRB... for intermittent operation. Basic diagram Example: Dual-fuel burner - Gas: Modulating - Oil: 2-stage 19/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 13.08.2004...
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The universal SQM4... actuators are driven by stepper motors and can be positioned with high resolution. The characteristics and settings of the actuators are defined by the basic unit of the LMV5... 20/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 2 General 13.08.2004...
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CAN bus module for O2 trim control with LMV52..., AC 230 V, for QGO20..., inputs for PLL52.110A200 flue gas and combustion air temperature Oxygen sensor for LMV52... systems QGO20... (refer to Data Sheet N7842) 21/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 2 General 13.08.2004...
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Actuator. Nominal torque 35 Nm, running time 60…120 seconds. Control and feedback SQM48.697A9 via CAN bus. Stepper motor, flush panel mounting, parallel key (refer to Data Sheet N7814) 22/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 2 General...
6 actuators, LMV52.240A1 AC 120 V, ZAM. Same as LMV51.2... basic unit, plus O trim control and up to 6 actuators, LMV52.240A2 AC 230 V, ZAM. 23/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 2 General 13.08.2004...
Power signal for safety loop OIL + GAS X3-04.3 Protective earth (PE) X3-04.4 Power supply neutral conductor (N) F 6.3 AT X3-04.5 Power supply live conductor (L) 24/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 2 General 13.08.2004...
X10-03.1 Ionization probe (ION) X10-01.4 Neutral conductor FLAME Power signal LINE X10-01.3 transformer AC power signal G0 X10-01.2 SEK I 12VAC AC power signal G X10-01.1 X10-01.1 25/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 2 General 13.08.2004...
Gp2 for operation with a dual-fuel burner. With Gp2 permitted with HW 01.C0 and SW V01.40 or higher 31/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 3 Fuel train applications (examples)
→ Phase change in Phase 40 Direct heavy oil start = OFF at the end of Phase 44 → Repetition (max. 3 times in total) Operation Two stage operation 33/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 3 Fuel train applications (examples) 13.08.2004...
The pilot phase covers Phases 40 through 50 and the operating Phases 52 through 62. In all the other phases, the flame signal(s) is (are) evaluated via parameter «Extrane- ous light». 34/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
Landis & Staefa X10-02 / 4 Made in Germany X10-02 / 2 brown 7719a01E/0502 0...10 V Ri > 10 MΩ For detailed information, refer to Data Sheet N7719. 35/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
It should also be noted that, for physical reasons, there is no linear relationship be- tween the display and the detector signal values. This is especially obvious with ioniza- tion current supervision. For more detailed information, refer to Data Sheet N7714. 36/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control...
InputController (activated / deactivated) (Parameter text) in Italics = text displayed on the AZL5... The input is also valued with manual operation burner ON / OFF! Note 37/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
If there is no pressure signal, safety shutdown will (APS) X3–02 occur in any case. The input can be deactivated. Parameter: AirPressureTest (activated / deactivated) 38/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
There is a delayed reaction to loss of gas pressure during «TSA1» and «TSA2» to pre- vent shutdown caused by pressure shocks when the valves open. Parameter: PressReacTme 39/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control...
There is a delayed reaction to loss of oil pressure during TSA1 and TSA2 to prevent shutdown caused by pressure shocks when the valves open. Parameter: PressReacTme 40/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control...
The input has been designed for the connection of an air pressure switch for flue gas recirculation (only from LMV52...). c) Parameter: Config_FGR-PS/FCC (deactivated) The function of the input can be deactivated. 41/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
This valve is required when parameterizing NormDirectStart (NormalStart / DirectStart) → direct start for testing the air pressure switch if ContinuousPurge is parameterized (activated) → continuous purging. 43/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control...
AZL51…, the heating engineer can only readjust them in the «safe» direction (against internal maximum or minimum values). In other words, «ts» times can only be shortened and «tv» times can only be extended. 44/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
If gas valve proving is parameterized with «startup and shutdown», the gas valves must perform additional switching cycles. This means that wear and tear of the gas valves will increase. 45/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
(Gp1) t Test in s Test time Examples Refer to chapter «Commissioning instructions for LMV5... system» / gas valve proving / leakage test. 46/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
If this reaction is not desired, it is possible to feed power to the reset button from the alarm output, thus obtaining the same reaction as described in 1. above. 47/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
PostPFGR) The program stop function is maintained until manual deactivation takes place. If the system stops at a program stop, a message will appear on the AZL5... 48/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control...
The maximum time «MaxTmeLowFire» for changing to low-fire operation can be pa- rameterized. If the time is set to 0.2 seconds, part load shutdown will be deactivated. Parameter: MaxTmeLowFire 49/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
As a response to extraneous light in the standby phase, it is possible to choose start Response to extraneous prevention or lockout. light in standby Parameter: ReacExtranLight (Lockout / Startblock) 50/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
If → direct start has been parameterized, fuel changeover can also take place on shut- down in Phase 76. The fan will not be switched off. 51/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
90° 0° Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f13e/0804 Program «Direct gas ignition» (also refer to «Fuel trains») 52/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
0° Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f14e/0804 Program «Gas pilot ignition 1» (also refer to «Fuel trains») 53/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
0° Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f15e/0804 Program «Gas pilot ignition 2» (also refer to «Fuel trains») 54/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f16e/0804 Program «Light oil (LO) direct ignition» (also refer to «Fuel trains») 55/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f17e/0804 Program «Heavy oil (HO) direct ignition» (also refer to «Fuel trains») 56/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
90° / 100% 0° / 0% Required position 90° 0° Required position 7550f18e/0704 Program «Light oil with gas pilot ignition (LOgp)» (also refer to «Fuel trains») 57/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
90° / 100% 0° / 0% Required position 90° 0° Required position 7550f19e/0704 Program «Heavy oil with gas pilot ignition (HOgp)» (also refer to «Fuel trains») 58/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
Parameter: CPI Gas: OFF test for gas trains only CPI Oil: OFF test for oil trains only CPI Gas+Oil: OFF test for gas and oil trains 59/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 4 Burner control 13.08.2004...
The fuel actuators maintain their home positions. Parameters: LMV51... LMV52... PrepurgePosAir PrepurgePosAux Aux2 Aux3 60/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 13.08.2004...
(Phase 62) before the fuel valve close. For that purpose, a maxi- position mum time is available which can be parameterized → part load shutdown. 61/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC)
If there is a curvepoint on the way to the next target on the curve, it will always be ap- proached. Parameter: OperatRampMod When parameterizing the operating ramp, the speed of the slowest actuator must be Note taken into consideration! 62/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 13.08.2004...
Then, the ratio position of «operating point S1» will be approached again. The procedure is analogous when switching from stage 2 to stage 3 and back again. 63/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 13.08.2004...
2° in no more than 3 seconds. Otherwise, safety shutdown occurs. Also, the neutral band must be reached within 8 seconds after starting the change in position. 64/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC)
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Pos. [°] Required position -0,3 Alarm Actual position 7550d18E/0502 < 5 s Locking on change of load (approach < 2° > 0.3°) 65/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 13.08.2004...
20 % above the value for TmeNoFlame parameterized. Refer to chapter «Displays and settings» / special function curve adjustment FARC. Curve adjustment 68/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC)
Then, each bus user makes the configurations required for the relevant operating modes. Parameter: LC_OptgMode (ExtLC X5-03/Int LC/Int LC Bus/Int LC X62/Ext LC X62/Ext LC Bus) 69/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 13.08.2004...
PID standard values for the following applications: Parameter: Standardparam (very fast / fast / normal / slow / very slow) 75/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
The new control parameters appear on the AZL... and are valid from now on. Refer to chapter «Displays and settings» / special function adaption LC Note 76/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
XP too great 7550d21/0501 7550d22/0501 Tn and Tv too small Tn and Tv too great 7550d23/0501 7550d24/0501 Optimum setting 7550d25/0501 77/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 13.08.2004...
− In this range, small steps of the controlling element are suppressed since they would not yet have any major impact. 78/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
Q-value is reached. If, before that, the setpoint is reached with the lower stage, the counter will be reset. 79/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 13.08.2004...
In that case, stage 1 will be switched off when threshold W+ SD_Stage1Off is reached. Setpoint Actual value SD_Stage1Off SD_Stage2Off SD_Stage3Off SD_Stage1On R=ON Stage 1 Stage 2 Stage 3 7550f10E/0502 80/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 13.08.2004...
If a fault is detected, the burner will be shut down (changing to the safety phase). If the short-circuit or open-circuit disappears within the safety phase, a change to standby will take place. Otherwise, lockout will be triggered. 81/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 13.08.2004...
150 °C or 302 °F or (can be parameterized) End of measuring range: 400 °C or 752 °F Parameter: MeasureRange PtNi 82/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 13.08.2004...
External predefined Part load Full load load, modulating I (mA) U (V) 83/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 13.08.2004...
Instant temperature change of test medium to determine the time constant ϑ M Temperature of test medium Output signal of temperature sensor Time constant 85/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 13.08.2004...
Manipulated variable increased Change to control old ON. variable increased by by output step Burner will be output step switched on 7550d04E/0202 86/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 13.08.2004...
Note: When using the pressure sensor, the temperature limiter is not active. This function may only be used in combination with temperature or pressure sensors. Parameter: SensorSelection (Temp Sensor, Press Sensor) 87/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
Display and operating unit AZL5... Display and operating unit AZL5... 89/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 13.08.2004...
Port for BACS via external bus interface CAN bus Port for the LMV5… basic unit COM1 and COM2 cannot be active at the same time! Note 90/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Pin 5 and Pin 7 can deliver a current of maximum 5 mA each. Adequate insulation against other potentials must be ensured. Connecting cable AZL COM1 Cable PC COM to the PC 9-pin connector 9-pin socket 7550t01E/0502 91/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 13.08.2004...
The CAN bus connection to the basic unit can simultaneously be combined with only Note one of the 2 ports, either «Interface PC» or «Gateway BACS». 92/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
• 1 stop bit During the program update of the AZL5…, the transmission rate between PC tool and AZL5… is automatically increased to 38,400 bit / s. 93/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
With this bus protocol, the AZL5... operates as a slave. The transmission mode used is RTU (Remote Terminal Unit). For detailed information, refer to the document “Modbus AZL5...“. Standardized interfacing software is available on request. Example: Interconnection of Siemens Simatic S7 and LMV5... system Use in industrial applications Management level Automation level...
Set date / time of day Identification Query of the supported commands Existence inquiry Sign of life Readout of LMV5... error storage (Siemens BT- specific) Readout of LMV5... lockout storage (Siemens BT- specific) Error message For details, refer to bus specification, Application Layer OSI7 of User Club eBUS e.
S T A R T U P I V ( P h a s e 3 6 ) S T A R T U P V 97/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
S H U T D O W N ( P h a s e s 7 4 . . . 7 8 ) S H U T D O W N 98/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
S H U T D O W N ( P h a s e s 8 0 . . . 8 3 ) V A L V E P R O V I N G 99/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
In contrast to the lockout history, the error history contains the errors of all error classes and not only the lockouts. If an error occurs, the display alternates at 5-second intervals. Example: Safety loop open 100/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
In the event of warnings, the display alternates at 5-second intervals. Example: Immediate display of start preventions In the event of start preventions, the display alternates at 5-second intervals. 101/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Selection of the associated main menu item: The main menu item «Parameterization & Display» is called up and selected as de- scribed above: & = flashing cursor 102/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 13.08.2004...
When the last character of the password is reached, the entry is to be confirmed by pressing Enter . Service • The passwords are linked to the access levels (Service, OEM, Siemens BT). This OEM = burner manufacturer means that the parameters available for editing are only those associated with the...
- 0...12.6 s resolution 0.2 s - 13...63 s resolution 1 s - 70...630 s resolution 10 s - 11...63 min resolution 1 min 104/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 13.08.2004...
This procedure can be repeated for other actuators used by the system, but the AZL5… does not allow double assignments. In that case, a display tells the user that an appro- priate actuator is already used by the system. 105/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
6 pulses auxiliary actuator 3 After each blink cycle, there is a pause of 1.2 seconds. Example of an actuator for gas 7550d12E Time 106/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 13.08.2004...
This setting of the curve can be made in 2 different ways: 1. Individual points are specifically entered. 2. Ratio control is operated manually until the value reached shall be stored as a new point. 107/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
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Select the required curvepoint, then continue with Enter ⇓ Here, the pointer position can change between «change?» and «delete?». To edit the point, «change?» must be selected here. 108/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
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(during the storage process, no buttons will be evaluated. To indicate this, a symbol appears on the display). The changes can be rejected by pressing Esc . 109/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
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The procedure is the fol- lowing: After leaving menu item «CurveParams», position the pointer on «Man» when reaching the menu. - Pointer positioned on «Man»: 110/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 13.08.2004...
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To readjust the ignition positions after the burner has ignited: «ProgramStop» to «Stop_Ph44», or «Stop_Ph52» for pilot ignition after the pilot flame has been shut down. Then, on «ProgramStop», set to «Stop_Ph72». 111/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
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A point can be saved at every intermediate point. Then, the load / position graph will look as follows: 90° Pos. FUEL 0° 100 % 7550d08e/0704 Load Change of load / position with two points 112/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 13.08.2004...
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Now, the postpurge positions on menu «Special positions» can be set. Then, on «Program Stop», set to «deactivated». The system continues the shutdown sequence and stops in phase «Standby 12». 113/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
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S e t t i n g m o d u l a t i n g r a t i o c o n t r o l Refer to selection menu «S e t t i n g s G a s » 114/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
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By pressing the Selection buttons the entered positions of all switching and operating points can be viewed. This has no impact on the system, even if «Followed» has been selected: 115/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
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Switch-off point stage 3 stage 3 Operating point stage 3 Approach of stage 3 Fine adjustment of stage 3 System response when a point is selected 116/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 13.08.2004...
Adaption starts after pressing Enter whereupon the following text appears: ° Depending on the adaption step, the following displays appear, alternating with the dis- play shown above: ° 117/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 13.08.2004...
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If a running adaption is manually canceled by pressing Esc , the following text will also appear: The system changes to «Normal operation». In that case, the previous PID parameters will be maintained. 118/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
AZL5… of one plant (burner IDs are identical) and between an AZL5… and a new basic unit (burner ID «as supplied» by Siemens BT). Data transmission between AZL5… and basic units of different plants (burner IDs not identical) is not possible (no «cloning»!).
«Normal operation» view, either during opera- tion, when making parameter settings, or when programming. To return to the menu item previously used, press the ESC button. 120/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
If required, the code or version of the parameter set can be displayed on the AZL5... In that case, select menu item «Factory ID» from the menu of the relevant device. 121/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
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Representation of parameters based on the AZL5... menu structure, «OEM» level, as supplied by Siemens Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default pa- LMV51 LMV52...
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Representation of parameters based on the AZL5... menu structure, «OEM» level, as supplied by Siemens Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default pa- LMV51 LMV52...
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Representation of parameters based on the AZL5... menu structure, «OEM» level, as supplied by Siemens Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default pa- LMV51 LMV52...
Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Parameter BurnerControl Configuration ConfigInput/Output 150/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 13.08.2004...
6. Auxiliary actuator 3 Confirm by pressing Enter ( → «Display and operating unit AZL5…»). The AZL5… prompts you to operate the addressing switch on the actuator. 151/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system...
On the configuration level of the LC, select the required type of sensor. Then, define the sensor’s measuring range. This configures speed acquisition (subsection 18.1.3) 153/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system...
Menu level 6 ManualOperation Autom/Manual/Off If startup shall be watched, press simultaneously selection buttons «<» and «>» to switch the display to «Normal operation». 154/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 13.08.2004...
If no point for the fuel / air ratio control system has as yet been predefined, the first curvepoint «P1» to be adopted on a preliminary basis are the ignition positions of the actuators. 155/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5...
20.3° 30.0° 45.0° 52.0° 60.0° Fuel / air ratio control Gas actuator position Air actuator position Auxiliary actuator 100 % Load [%] 156/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 13.08.2004...
17. Shutdown Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 ManualOperation Autom/Manual/Off 157/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 13.08.2004...
Note: After the settings are made, the program stop in the prepurge position should be re- placed by the program stop of the ignition position in Phase 36. 159/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system...
If the switching points of the burner stages have not yet been defined, the ignition posi- tions of the actuators will be used as the first stage for the moment. 160/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5...
Air actuator position «Down» Auxiliary actuator «Up» Auxiliary actuator «Down» 100 % Load [%] V2 down V2 up V3 down V3 up 161/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 13.08.2004...
26. Shutdown Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 ManualOperation Autom/Manual/Off 162/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 13.08.2004...
Volume between the valves (test volume) including valve volume and pilot path (Gp1) if present t Test in s Test time 163/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 13.08.2004...
= 40.0 l / h = 3 l t Test = 4 s 1013 mbar • Result: The detected leakage rate is 40 l / h 164/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 13.08.2004...
Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController Configuration MeasureRange PtNi 150°C/302°F 400°C/752°F 165/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 13.08.2004...
Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController Adaption StartAdaption AdaptionLoad 166/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 13.08.2004...
When the switch-off threshold is reached, the cold start sequence will be terminated and normal control operation started. 168/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5...
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Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController ColdStart ColdStartOn ThresholdOn StageLoad StageStep_Mod StageStep_Stage MaxTmeMod MaxTmeStage ThresholdOff 169/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 13.08.2004...
PIN3 Start signal or PS relief (APS test valve) AC 120 V +10 % / -15 %, 50...60 Hz, 75 VA, (pilot duty), cos ϕ 0.4 181/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 10 Description of the connection terminals (AC 120 V) 13.08.2004...
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Imax 1.6 mA PIN3 Power signal (reserve) AC 120 V +10 % / -15 %, 50...60 Hz, Imax 500 mA 182/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 10 Description of the connection terminals (AC 120 V) 13.08.2004...
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Imax 1.5 mA PIN1 Power signal for pressure switch AC 120 V +10 % / -15 %, 50...60 Hz, Imax 500 mA 183/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 10 Description of the connection terminals (AC 120 V)
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Reference ground (PELV) PIN1 AC power supply from transformer to AC 12 V +10 % / -15 %, 50...60 Hz LMV51... system 184/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 10 Description of the connection terminals (AC 120 V)
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Functional earth for shield connection PIN2 Reference ground PIN3 Current output for burner load DC 4...20 mA, RLmax = 500 Ω (LOAD OUTPUT) 185/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 10 Description of the connection terminals (AC 120 V) 13.08.2004...
PIN3 Start signal or PS relief (APS test valve) AC 230 V +10 % / -15 %, 50...60 Hz, 0.5 A, cos ϕ 0.4 186/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 11 Description of the connection terminals (AC 230 V)
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Imax 1.5 mA PIN3 Power signal (reserve) AC 230 V +10 % / -15 %, 50...60 Hz, Imax 500 mA 187/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 11 Description of the connection terminals (AC 230 V) 13.08.2004...
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Imax 1.5 mA PIN1 Power signal for pressure switch AC 230 V +10 % / -15 %, 50...60 Hz, Imax 500 mA 188/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 11 Description of the connection terminals (AC 230 V) 13.08.2004...
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Reference ground (PELV) PIN1 AC power supply from transformer to AC 12 V +10 % / -15 %, 50...60 Hz LMV5... system 189/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 11 Description of the connection terminals (AC 230 V) 13.08.2004...
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Functional earth for shield connection PIN2 Reference ground PIN3 Current output for burner load DC 4...20 mA, RLmax = 500 Ω (LOAD OUTPUT) 190/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 11 Description of the connection terminals (AC 230 V) 13.08.2004...
(RAST5) must be provided by fitting dummy plugs! • To isolate the unit from the mains supply, a multipolar switch must be used. • For wiring the bus users, only the cables specified by Siemens BT may be used! •...
230 V LMV5... basic unit Power trafo 1 7550a03e/0304 AGG5.2... X3-04 Total length of CAN bus cable ≤ 100 m Note on example 1 192/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 12 Mounting, electrical installation and service 13.08.2004...
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(Type1) to all the other actuators. The fuses required for transformer 1 are accommodated in the LMV5... basic unit. For transformer 2, these 3 fuses must be located close to the transformer. 193/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 12 Mounting, electrical installation and service 13.08.2004...
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The fuses required for transformer 1 are accommodated in the LMV52... basic unit. For transformer 2, the OEM must fit the 3 fuses in the vicinity of the trans- former. 194/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 12 Mounting, electrical installation and service 13.08.2004...
(2 x SQM45...) gives a maximum cable length of 33.4 m between the transformer and the group of actuators. The minimum cross-sectional area is 0.33 mm 195/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 12 Mounting, electrical installation and service...
AGG5.630 / 631 (cable type 2) LMV5... ↔ AZL5… Silver-grey RAL 7001 0.50 mm 0.50 mm 0.50 mm Shield 2 x 0.25 mm Drilled pair 196/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 12 Mounting, electrical installation and service 13.08.2004...
Fa. Karl Dungs GmbH & Co. e-bus / PC adapter Steuer- und Regeltechnik part no. 230 437 Postfach 1229 D-73602 Schorndorf User Club eBUS e.V. www.eBUS.de 197/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 12 Mounting, electrical installation and service 13.08.2004...
(e.g. EN 298, EN 230, EN 676, EN 267, etc.) or whether the respective plant can be approved on an “individual basis“. 198/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 13 Duties of the authorized inspector 13.08.2004...
Pure oil burners do not require a magnetic clutch, in which case long preignition_Oil (from Phase 22) is to be parameterized, or parameter «OilPumpCoupling» is to be set to «Directcoupl». 199/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 13 Duties of the authorized inspector 13.08.2004...
It must be made certain that all safety notes and the notes on mounting., electrical in- General stallation and service according to the above mentioned chapter and Data Sheets are complied with. 200/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 13 Duties of the authorized inspector...
Mechanical conditions Class 3M2 Temperature range (incl. mounting plate) -20...+60 °C Humidity < 95 % r.F. Condensation, formation of ice and ingress of water are not permitted! 201/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 14 Technical data 13.08.2004...
7.5 mm dia. ±0.2 mm bending radius: 113 mm ambient temperature: -30...+70 °C (cable not moving) cable jacket resistant to almost all types of mineral oil 202/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 14 Technical data 13.08.2004...
• Unit input current* (safety loop) max. 5 A * Total contact current resulting from: Fan motor contactor Ignition transformer Valves Oil pump / magnetic clutch 203/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 14 Technical data 13.08.2004...
Cable insulation must satisfy the requirements of the relevant temperature and envi- ronmental conditions. The CAN (bus) cables have been specified by Siemens BT and can be ordered as ac- cessory items. Other types of cables may not be used. Otherwise, the EMC characteristics of the LMV5...
Internal Fault Basic Unit (Key + main loop counter) unequal Internal Fault Basic Unit Unsuccessful synchronization of the 2 µCs 206/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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Internal Fault Basic Unit Reset Internal Fault Basic Unit Pressure switch oil maximum Internal Fault Basic Unit Pressure switch oil minimum 207/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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The diagnostic value is made up of the following faults or their combinations (the individual diagnostic codes are added up in hexadecimal format) 208/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Check the curve to see if correct values have been entered fullydefined for auxiliary actuator 3. Readjust the ratio curve, if required 209/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Internal Fault Basic Unit The load / point number predefined by the AZL… lies outside the permissible range 210/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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If fault occurs constantly: Replace actuator (see diagnostic shows on which actuator the fault oc- code) curred. See diagnostic code 211/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Ignition Pos not defined The relevant ignition positions have not Set the ignition positions been parameterized 212/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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Running time fault of air actuator Fault Running Time Aux Actuator Running time fault of auxiliary actuator 1 Fault Running Time Aux Actuator Running time fault of auxiliary actuator 2 213/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5...
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Change live conductor on the fan motor or check param- eterized direction of rotation on the VSD and correct, if nec- essary 214/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Basic unit has detected extraneous light during shutdown Extraneous Light on Shutdown Basic unit has detected extraneous light during shutdown 215/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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FGR-PS = on, but should have been on Flue Gas Recirculation Pressure Switch FGR-PS = off, but should have been on 216/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Lack of Gas Program Shortage-of-gas program in progress Internal Fault Basic Unit Parameter of max. safety time faulty 217/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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Internal Fault Basic Unit Prepurge time oil too short Internal Fault Basic Unit Safety time 1 gas too long 218/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Deactivate the program stop if no longer required stopped at the parameterized position Programstop active Program stop "STOP_DR_PREP" in Phase 24 active 219/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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Internal Fault Basic Unit Test values in stack range exceeded Internal Fault Basic Unit Faulty reset state has occurred 220/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Parameter Set damaged Page number Parameter Backup Restore Page is on WR_RESTO Reset the unit. A backup restore was made 221/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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If fault cannot be rectified by the reset: Restore AZL… pa- rameters. Otherwise, replace defective basic unit Internal Fault Basic Unit Number of parameter page 222/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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Internal Fault Basic Unit No write access to error page in init. Internal Fault Basic Unit Rep. counter "Internal fault" has elapsed 223/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Fault Feedback Air Actuator Key error main loop counter Fault Feedback Air Actuator No feedback for max. number 224/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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If fault occurs constantly: Replace defective actuator Fault Feedback Aux Actuator 1 CRC error Fault Feedback Aux Actuator 1 Key error main loop counter 225/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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If fault occurs constantly: Replace the faulty ABE Fault Feedback AZL5... CRC error Fault Feedback AZL5... Key error main loop counter 226/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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If fault occurs sporadically: Improve EMC feedback signal If fault occurs constantly: Replace defective actuator 227/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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CAN bus (CAN address are connected to the CAN bus and rectify (e.g. read- overflow) dressing the actuators) 228/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Temperature warning and shutdown Check housing temperature (max. 60 °C) Internal Fault Air Actuator Actuator turns in the wrong direction 229/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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If fault cannot be rectified by the reset: Restore AZL… pa- rameters. Otherwise, replace defective basic unit 230/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Type of fault: See diagnostic code If fault occurs constantly: Replace defective actuator See A1 See A1 See A1 See A1 See A1 231/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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Adaption invalid TU longer than identification time Adaption invalid Invalid TN identified Timeout with Adaption Timeout during observation time 232/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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If fault cannot be rectified by the reset: Restore AZL… pa- rameters. Otherwise, replace defective basic unit 233/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Internal Fault Load Controller CAN error Internal Fault Load Controller CAN error Internal Fault Load Controller CAN error 234/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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Too great / small gain for self-calibration of A/D converter Internal Fault Load Controller Too great / small offset for self-calibration of A/D converter 235/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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PT100 sensor (X60) External Fault Load Controller Excessive voltage value or wrong polarity Check wiring of input PT100 line (X60) 236/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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Internal Fault Load Controller Fault voltage monitor test Internal Fault Load Controller Fault during readout of PDO message 237/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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Internal Fault Load Controller Invalid branch in eeprom module() Internal Fault Load Controller Invalid branch in eeprom module() 238/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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AZL… Internal Fault AZL Invalid AZL5… page >250,000 startups, service required Internal Fault AZL Save fault parameter 239/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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Program run fault, execution of program code that will probably never be executed Internal Fault AZL Unintentional watchdog reset 240/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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If fault occurs sporadically: Check CAN bus wiring. missions Improve EMC. Check terminating resistors and correct, if necessary 241/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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If fault cannot be rectified by the reset: Restore AZL… pa- rameters. Otherwise, replace defective basic unit 242/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Check power supply to the O2 module. Check fuse F2 on the O2 module. Check heating control on the QGO. 243/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Fault occurred during O2 sensor test Check fluctuations of the O2 value Module Internal Fault O2 Module CAN fault 244/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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If fault cannot be rectified by the reset: Restore AZL5... pa- rameters. Otherwise, replace defective O2 module 245/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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O2 module and O2 sensor must be correctly connected. >= 3 s Mains power supply to the QGO must be connected 246/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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Software of the basic unit too old Replace basic unit Version Conflict Software of the load controller too old Replace basic unit 247/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004...
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If fault occurs sporadically: Improve EMC in the VSD module when checking its If fault occurs constantly: Replace defective module feedback signal 248/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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QGO in Heating-up Phase QGO probe not yet sufficiently heated up Wait until probe has reached its operating temperature 249/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
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If fault occurs constantly: Replace defective module If fault occurs sporadically: Improve EMC If fault occurs constantly: Replace defective module 250/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system...
VSD (deactivate / activate / air influen) Here, it is also selected whether the VSD shall be used in connection with O2 trim con- trol. 252/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 18 Addendum 3: Variable speed drive (VSD) module...
1. Motor supplier: Version with threaded hole M8x15 Selection of fan motor 2. Standard motor plus extra machining (drilling hole and cutting thread M8x15) 254/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 18 Addendum 3: Variable speed drive (VSD) module...
95 % of the positioning signal. If the burner’s rated capacity calls for full fan speed, the maximum output frequency must be set to 105.2 % of mains frequency. 255/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 18 Addendum 3: Variable speed drive (VSD) module 13.08.2004...
Any change to the standardized speed changes the assignment between the parameterized percentages on the curves and the speed. 256/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 18 Addendum 3: Variable speed drive (VSD) module...
25 ms) → Value of 16 means 16 Parameter: • 25 ms = Settling Time (in x • 400 ms (0.4 s) 257/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 18 Addendum 3: Variable speed drive (VSD) module 13.08.2004...
Pulse value oil The setting procedure for «Pulse Value Oil» is the same as that for «Pulse Value Gas», the selectable units being 1 l or 1 gal. 258/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 18 Addendum 3: Variable speed drive (VSD) module...
Num Dev >0.5% The process data will only be stored in RAM, which means that they will be reset via re- set or lockout reset. 259/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 18 Addendum 3: Variable speed drive (VSD) module...
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100 %. 90° Pos. FUEL 0° 100 % 7550d07e/0704 Load Change of load / position resulting from an automatically entered point 260/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 18 Addendum 3: Variable speed drive (VSD) module 13.08.2004...
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- Data Sheet of Danfoss EMC filter for long motor cables When using other types of VSD, compliance with EMC regula- tions and correct functioning are not ensured! 261/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 18 Addendum 3: Variable speed drive (VSD) module...
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Optional shield connection for rough environmental conditions For shielding the cables on the VSD, refer to the following pieces of documen- tation: • Siemens SED2 VSD Commissioning Instructions (CM1G5192en), chapters 4 and 7, or • Danfoss Operating Instructions VLT 6000 (MG60A703), chapter «Installa- tion»...
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PIN4 0 / 4...20 mA control of variable speed drive 0...20 mA RLmax = 750 Ω PIN5 Reference ground PIN6 Functional earth 263/301 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550de HVAC Products 18 Addendum 3: Variable speed drive (VSD) module 21.07.2004...
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QGO20... Flue gas temperature sensor Supply air temperature sensor O2 module PLL... LMV52.200... 264/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module 13.08.2004...
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Effects such as the fan pressure’s impact on the amount of gas are taken into consideration. 265/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52...
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In the future, this can be checked with the ACS450 PC tool. Without the tool, the lambda factors can be calculated according to the above formula to be entered in a graph. 266/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52...
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(temperature pressure) changes. Air pressure and air density have no impact on the fuel throughput. Recommendation: With gas: like P air With oil: like theory 267/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module 13.08.2004...
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To deactivate the O2 trim controller / O2 monitor, use parameter setting «man deact». Also refer to section 19.4.4 Heating up the O2 sensor after «PowerOn». 268/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module...
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0.7 % higher than the O setpoint. Fine-tuning to the O setpoint will be ensured by the O trim controller. 269/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module...
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The parameter denotes the period of time on completion of which the next load change in the form of LoadCtrlSuspend can be made. If a load change is detected, the O2 value will be increased (offset). 270/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52...
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There is only 1 increase of the O2 value per load change. The next increase will only be possible on completion of the locking time for the load change. There will be no increase of the O2 value when O2 trim control is deactivated. 271/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52...
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Also refer to section 19.5.1 Delayed O2. 272/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module...
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O trim control must be manually reactivated. 273/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module...
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Both the O2 trim controller and the O2 monitor are activated. If the test is negative, O2 trim control will be deactivated and the burner will be started up without O2 trim control. 274/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52...
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If the test is negative, both the O2 trim controller and the O2 monitor will be deactivated. The burner will be started up with- out O2 trim control. 275/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module...
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⎞ ϑ ϑ ⎜ ⎜ • ⎟ ⎟ − flue pply − ⎝ ⎠ ContentAir η − Efficiency: 276/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module 13.08.2004...
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Make protective earth connection between the two housing sections. X 87 X 86 X 85 X 84 Temporary connection of AZL5... 277/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module 13.08.2004...
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Power supply neutral conductors (N) PIN 6 L Power supply live conductor (L) AC230V +10%/-15%, 50...60Hz, Imax. 2.5 A 278/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module 13.08.2004...
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* Bus CANH connection green/grn green/grn X4.4 CANL CANL CANL CANL black/blk black/blk X4.5 Signal reference (PELV) GND 279/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module 13.08.2004...
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The flue gas temperature sensor connected to terminal X86 must be parameterized. Parameter: Flue gas temperature sensor (NoSensor, Pt1000, LG-Ni1000) 280/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module...
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For firing on oil, there are 2 preprogrammed types of fuel available, plus 1 type that can be defined by the user. Parameter: Type of Fuel (user def, LightOilLO, LightOilHO) 281/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module...
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9 ≈ 0.009 9 ≈ 0.009 8 ≈ 0.008 8 ≈ 0.008 7 ≈ 0.007 7 ≈ 0.007 B/1000 282/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module 13.08.2004...
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After setting all O min. values, the O monitor can be activated. The setting can be made in 2 different ways. 283/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module...
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«Actual Value» will be entered as the «O Min Value» by pressing Enter . 284/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module...
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The setting may only be confirmed after a constant value has been attained. The PC tool will be useful for making checks. Now, the operator must decide whether he wants to adopt or reject the settings. 285/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52...
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«Controller parameters» menu, and changed, if required. The O2 setpoint must lay at least 0.5 % above the O2 min. value and 1 % below the O2 ratio value. 286/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52...
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If, in the low-fire position, no further air reduction is possible (e.g. because the air damper has already fully closed), curvepoint 1 must be selected as the low-fire point. In that case, O2 trim control will only be performed up to curvepoint 2. 287/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52...
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Irregularities should be avoided. Damper Load (%) ____ Good ------ Poor 288/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module 13.08.2004...
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If this is not observed, the fan speed has an impact on the amount of oil delivered. This can cause problems in connection with precontrol or O trim control. 289/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module...
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-20...+60 °C Humidity < 95 % r.h. Condensation, formation of ice or ingress of water are not permitted! 290/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module 13.08.2004...
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Pt1000 / LG-Ni 1000 Flue gas temperature sensor Pt1000 / LG-Ni 1000 QGO20... refer to Data Sheet N7842 Interface communication bus for LMV52... Dimensions Dimensions in mm PLL52... 41,5 41,5 291/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 20 Dimensions 13.08.2004...
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«DWminOil» in program «Heavy oil with gas pilot» Valuation of input «DWminOil» in program «Heavy oil with gas pilot» has been moved from Phase 38 to Phase 44. 292/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 21 Revision history...
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= Int LC Bus → intLC → 2 → intLC Operating mode 6 = Ext LC Bus → 2 → intLC Operating mode 1 = Ext LC X5-03 293/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 21 Revision history 13.08.2004...
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Plausibility check at inputs X61 and X62 The plausibility check at inputs X61 and X62 is not made anymore. This means that fast value changes at these inputs will no longer result in safety shutdown. 294/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 21 Revision history 13.08.2004...
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→ IntLR intLR → IntLR Bus intLR via BACS → IntLR X62 intLR BACS to → ExtLR X62 extLRanalg → ExtLR Bus extLR via BACS 295/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 21 Revision history 13.08.2004...
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Too short ramp time, auxiliary actuator 1 • Too short ramp time, auxiliary actuator 2 only LMV52... • Too short ramp time, auxiliary actuator 3 only LMV52... 296/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 21 Revision history 13.08.2004...
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71, 72, 73, 167 functioning principle of O2 trim setpoints control shutdown function functions diagrams SLT test special function 107, 117 special functions inputs / outputs 297/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 21 Revision history 13.08.2004...
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35, 201, 290 standard parameter set temperature limiter function 85, 167 standard parameterizations time parameters stepper motor 20, 22 supplied parameter set writing parameters system configuration 298/301 Siemens Building Technologies Basic Documentation LMV5... CC1P7550en HVAC Products 13.08.2004...