Basic unit with integrated air-fuel ratio control for forced draft burners (213 pages)
Summary of Contents for Siemens LMV5 Series
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The LMV5... and this Basic Documentation are intended for OEMs which integrate the system in their products! Gilt für Software-Versionen LMV51... : V02.20 LMV52...: V01.00 Int. LR: V01.50 Siemens Building Technologies Int. FU-Modul: V1.20 AZL51...: V02.50 HVAC Products AZL52...: V03.20 PLL52...: V01.00 CC1P7550en 01.10.2003...
Alarm output, type No-SI X3–01 ............39 − Output fan, type No-SI X3–01 ...............39 − Output ignition, type SI (IGNITION) X4–02 ...........39 − Outputs valves-oil , type SI (V...) X8–02, X8–03, X7-01, X7-02....39 − 4/278 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 01.10.2003...
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Preventilation ..................57 − Ignition ....................58 − Traveling to the operating position............58 − Operation ....................58 − End of operating position ..............58 − Postpurging................... 59 − 5/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 01.10.2003...
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Self-setting of control parameters (adaption) ........73 − Adaption sequence ................73 − Checking the control parameters ............74 − Example.....................74 − Settling of the manipulated variable ............75 − Principle.....................75 − Description (graph) ................75 − 1.1.1 Multistage control...................76 6/278 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 01.10.2003...
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Reading eBus-specific ..............91 − data ....................91 − Writing parameters................92 − List of supported ................... 92 − eBus commands ................... 92 − Display and settings ..................93 7/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 01.10.2003...
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6. Selecting the actuator’s direction of rotation ........150 − 7. LMV51... Activating and deactivating the actuator ......150 − LMV52... activating and deactivating the actuators......150 − 8. Setting the load controller (option) ..........151 − 8/278 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 01.10.2003...
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Connection terminals of the LMV5.............. 168 Coding of connectors................... 169 AGG5.720 ................... 170 − AGG5.721 ................... 171 − Description of the connection terminals..........172 Mounting, electrical installation and service .......... 177 9/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 01.10.2003...
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Cross-sectional areas .................190 − Fuses used in the LMV5... basic unit ..........190 − Dimensions....................191 LMV5....................191 − AZL5....................191 − Addendum 1: List of fault status messages of LMV51... system ..192 10/278 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 01.10.2003...
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Functioning principle of O2 trim control ............248 12.2.1 Air rate reduction ..................248 12.2.2 Definition of O2 setpoint ................248 12.2.3 Lambda factor....................249 12.3 Precontrol ....................250 12.3.1 Calculation of precontrol................250 11/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 01.10.2003...
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Basic unit LMV52................271 PLL52.x ....................271 − Environmental conditions ..............271 − 12.14 Terminal ratings, line lengths and cross-sectional areas ......272 Basic unit LMV52................272 − PLL52....................272 − Analog inputs...................272 − Dimensions....................272 12/278 Siemens Building Technologies Basisdokumentation LMV5... CC1P7550en HVAC Products 01.10.2003...
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AZL5..................276 14.3.5 Various parameter changes ................ 276 14.3.6 Name changes of load controller operating modes ........276 14.3.7 New display text for actuator faults.............. 276 13/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 01.10.2003...
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Observe the following warning notes to help prevent damage to persons, property or the environment! The LMV5... is a safety device! Do not interfere with or modify the unit. Siemens Landis & Staefa will not assume responsibility for damage resulting from unauthorized interference! The addendum to the LMV51.2...
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There is no absolute protection against incorrect use of the RAST5 connectors. For this reason, prior to commissioning the plant, check the correct assignment of all connectors • Electromagnetic emissions must be checked on an application-specific basis 15/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 1 Safety notes 01.10.2003...
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A password protects the parameter setting level against unauthorized access. The OEM allocates individual passwords to the setting levels he can access. The standard passwords used by Siemens Landis & Staefa must be changed by the OEM. These passwords 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 Landis & Staefa 1.9 Disposal notes The unit contains electrical and electronic components and may not be disposed of together 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 18/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General 01.10.2003...
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The universal SQM4... actuators are driven by stepper motors and can be positioned with a high resolution. The characteristics and settings of the actuators are defined by the basic unit of the LMV5..19/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General 01.10.2003...
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Infrared flame detector. Universal flame detector for oil or gas flames. Suited for QRI2B2... intermittent or continuous operation, with integrated flame amplifier and prefabricated connecting cable 180 cm. Lateral illumination 20/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General...
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CAN bus. Stepper motor, flush panel mounting, parallel key 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 21/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General...
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Same as LMV51.1... basic unit, plus VSD control, AC 230 V. LMV51.200A2 Same as LMV51.2… basic unit, plus O trim control and up to 6 actuators, AC 230 V. LMV52.200A2 22/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General 01.10.2003...
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) 23/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General 01.10.2003...
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 24/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 2 General 01.10.2003...
Direct heavy oil start = OFF ts 1 at the end of Phase 38 → Repetition (max. 3 times in total) ts 2 Operation Multistage operation 7550f01cE/0200 29/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Fuel train applications (examples) 01.10.2003...
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Oil trains LOgp and HOgp are designed for ignition with a gas pilot. They must always be combined with special gas train Gp2 for operation with a dual-fuel burner. With Gp2 permitted from HW 01.C0 and SW V01.40 30/278 Siemens Building Technologies Basic Documentation LMV51... 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 32/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 3 Fuel train applications (examples) 01.10.2003...
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 7719. 33/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
It should also be noted that, for physical reasons, there is no linear relationship between the display and the detector signal values. This is especially obvious with ionization current supervision. For more detailed information, refer to Data Sheet 7714. 34/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control...
«▼» decreases the output If none of the 2 inputs is active, the burner’s output is maintained at a constant level. The shortest permissible positioning step is about 100 ms. 35/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
LOgp and HOgp until the end of TSA2. The signal is anticipated in Phase 21. Loss of (only LMV52...) the start signal causes the burner to shut down. The input can be deactivated. Parameter: StartReleaseGas (activated / deactivated) 36/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
The signal is anticipated in Phase 21. If the signal is not delivered, or if it is lost, shutdown will occur. The input can be deactivated. Parameter: StartReleaseOil (activated / deactivated) 37/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
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. 38/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
This valve is required when parameterizing NormDirectStart (NormalStart / DirectStart) → direct start for testing the air pressure switch if ContinuousPurge is parameterized (activated) → continuous purging. 40/278 Siemens Building Technologies Basic Documentation LMV51... 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. 41/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
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. 42/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
(Gp1) t Test in s Test time Examples Refer to chapter «Commissioning instructions for LMV5... system» / gas valve proving / leakage test. 43/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
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. 44/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
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... 45/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control...
The maximum time «MaxTmeLowFire» for changing to low-fire operation can be parameterized. If the time is set to 0.2 seconds, part load shutdown will be deactivated. Parameter: MaxTmeLowFire 46/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
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) 47/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
If → direct start has been parameterized, fuel changeover can also take place on shutdown in Phase 76. The fan will not be switched off. 48/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
90° 0° Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f13e/0903 Program «Direct gas ignition» (also refer to «Fuel trains») 49/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
0° Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f14e/0903 Program «Gas pilot ignition 1» (also refer to «Fuel trains») 50/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
0° Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f15e/0903 Program «Gas pilot ignition 2» (also refer to «Fuel trains») 51/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f16e/0903 Program «Light oil (LO) direct ignition» (also refer to «Fuel trains») 52/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
Required position 90° / 100% 0° / 0% Required position 90° 0° Required position 7550f17e/0903 Program «Heavy oil (HO) direct ignition» (also refer to «Fuel trains») 53/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
90° / 100% 0° / 0% Required position 90° 0° Required position 7550f18e/0903 Program «Light oil with gas pilot ignition (LOgp)» (also refer to «Fuel trains») 54/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
90° / 100% 0° / 0% Required position 90° 0° Required position 7550f19e/0903 Program «Heavy oil with gas pilot ignition (HOgp)» (also refer to «Fuel trains») 55/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
→ Output PS valve will be logically inverted Parameter: „Alarm act / deact“, „deactivated“ → The alarm output can temporarily be deactivated (only for the current error) 56/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 4 Burner control 01.10.2003...
The fuel actuators maintain their home positions. Parameters: LMV51... LMV52... PrepurgePosAir PrepurgePosAux Aux2 Aux3 57/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 01.10.2003...
(Phase 62) before the fuel valve close. For that purpose, a position maximum time is available which can be parameterized → part load shutdown. 58/278 Siemens Building Technologies Basic Documentation LMV51... 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 approached. When parameterizing the operating ramp, the speed of the slowest actuator must be Note taken into consideration! 59/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 01.10.2003...
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. 60/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 01.10.2003...
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. 61/278 Siemens Building Technologies Basic Documentation LMV51... 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°) 62/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 5 Fuel / air ratio control (FARC) 01.10.2003...
20 % above the value for TmeNoFlame parameterized. Refer to chapter «Displays and settings» / special function curve adjustment FARC. Curve adjustment 65/278 Siemens Building Technologies Basic Documentation LMV51... 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) 66/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
1 (ExtLC X5-03), the input is nevertheless active. Then, when changing to the internal load controller, the controller input is deactivated. Parameter: Input Controller (activated / deactivated) 70/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
PID standard values for the following applications: Parameter: Standardparam (very fast / fast / normal / slow / very slow) 72/278 Siemens Building Technologies Basic Documentation LMV51... 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 73/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
XP too great 7550d22/0501 7550d21/0501 Tn and Tv too small Tn and Tv too great 7550d23/0501 7550d24/0501 Optimum setting 7550d25/0501 74/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
− In this range, small steps of the controlling element are suppressed since they would not yet have any major impact. 75/278 Siemens Building Technologies Basic Documentation LMV51... 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. 76/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
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 77/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
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. 78/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
150 °C or 302 °F End of measuring range: or (can be parameterized) 400 °C or 752 °F Parameter: MeasureRange PtNi 79/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
External predefined Part load Full load load, modulating I (mA) U (V) 80/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Instant temperature change of test medium to determine the time constant ϑ M Temperature of test medium Output signal of temperature sensor Time constant 82/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
Manipulated variable increased Change to control by output step old ON. variable increased by Burner will be output step switched on 7550d04E/0202 83/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC) 01.10.2003...
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) 84/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 6 Temperature or pressure controller (internal load controller LC)
Display and operating unit AZL5... Display and operating unit AZL5... 86/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
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 87/278 Siemens Building Technologies Basic Documentation LMV51... 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 88/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
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». 89/278 Siemens Building Technologies Basic Documentation LMV51... 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. 90/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Management level Automation level Sub station Process control DP/MODBus converter Field level CAN bus Burner management system Burner control, boiler control LMV5... system 7550p20e/1003 91/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Set date / time of day Identification Query of the supported commands Existence inquiry Sign of life Readout of LMV5... error storage (Siemens-specific) Readout of LMV5... lockout storage (Siemens- 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 I I ( P h a s e s 3 0 . . . 3 4 ) S T A R T U P I V 94/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
O P E R A T I O N I ° ° ( P h a s e 6 2 ) O P E R A T I O N I I 95/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
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 96/278 Siemens Building Technologies Basic Documentation LMV51... 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 97/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
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. 98/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
Lockout and error messages Example: Immediate display of start preventions (cont‘d) In the event of start preventions, the display alternates at 5-second intervals. 99/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Selection of the associated main menu item: The main menu item «Parameterization & Display» is called up and selected as described above: & = flashing cursor 100/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
When the last character of the password is reached, the entry is to be confirmed by pressing ENTER. • The passwords are linked to the access levels (Service, OEM, Siemens). This means that the parameters available for editing are only those associated with the access level •...
- 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 102/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
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 appropriate actuator is already used by the system. 103/278 Siemens Building Technologies Basic Documentation LMV51... 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 104/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
2. Ratio control is operated manually until the value reached shall be stored as a new point. A more detailed description of both approaches is given below: 105/278 Siemens Building Technologies Basic Documentation LMV51... 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. 106/278 Siemens Building Technologies Basic Documentation LMV51... 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. 107/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
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The procedure is the following: After leaving menu item «CurveParams», position the pointer on «Man» when reaching the menu. - Pointer positioned on «Man»: 108/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
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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». 109/278 Siemens Building Technologies Basic Documentation LMV51... 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 Load Change of load / position with two points 110/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
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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». 111/278 Siemens Building Technologies Basic Documentation LMV51... 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 » 112/278 Siemens Building Technologies Basic Documentation LMV51... 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. Example: Not followed. 113/278 Siemens Building Technologies Basic Documentation LMV51... 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 114/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
Adaption starts after pressing ENTER whereupon the following text appears: ° Depending on the adaption step, the following displays appears, alternating with the display shown above: ° 115/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5... 01.10.2003...
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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. 116/278 Siemens Building Technologies Basic Documentation LMV51... 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). Data transmission between AZL5… and basic units of different plants (burner IDs not identical) is not possible (no «cloning»!).
Lockout of the basic unit can be triggered by simultaneously pressing ENTER and ESC. Shutdown function Lockout will be stored in the AZL5..118/278 Siemens Building Technologies Basic Documentation LMV51... 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. 119/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 7 Display and operating unit AZL5...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
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Parameterdarstellung auf Basis der Menüstruktur AZL - Ebene «OEM» - Auslieferstand Siemens Landis&Staefa Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access Default LMV51 LMV52 rights parameter...
Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Parameter BurnerControl Configuration ConfigInput/Output 148/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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. 149/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system...
Ext Setpoint minExt Setpoint max On the configuration level of the LC, select the required type of sensor. Then, define the sensor’s measuring range. 151/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system...
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Menu level 6 ManualOperation Autom/Manual/Off If startup shall be watched, press simultaneously selection buttons «<» and «>» to switch the display to «Normal operation». 152/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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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. 153/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5...
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20.3° 30.0° 45.0° 52.0° 60.0° Fuel / air ratio control Gas actuator position Air actuator position Auxiliary actuator 100 % Load [%] 154/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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17. Shutdown Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 ManualOperation Autom/Manual/Off 155/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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Menu level 6 Params & Display RatioControl ProgramStop deactivated 24PrePurgP 32PreP FGR 36IgnitPos 44Interv1 52Interv2 72PostPPos 76PostPFGR Activate a program stop in Phase 24. 156/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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Note: After the settings are made, the program stop in the prepurge position should be replaced by the program stop of the ignition position in Phase 36. 157/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system...
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(Phase 60). If the switching points of the burner stages have not yet been defined, the ignition positions of the actuators will be used as the first stage for the moment. 158/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5...
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Air actuator position «Down» Auxiliary actuator «Up» Auxiliary actuator «Down» 100 % Load [%] V2 off V2 on V3 off V3 on 159/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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26. Shutdown Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 ManualOperation Autom/Manual/Off 160/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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Volume between the valves (test volume) including valve volume and pilot path (Gp1) if present t Test in s Test time 161/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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= 40.0 l / h = 3 l 1013 mbar • t Test = 4 s Result: The detected leakage rate is 40 l / h 162/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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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 163/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController Adaption StartAdaption AdaptionLoad 164/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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Menu level 4 Menu level 5 Menu level 6 Params & Display LoadController ControllerParam Setpoint W1 Setpoint W2 Operation BoilerSetpoint Setpoint W1 Setpoint W2 165/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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When the switch-off threshold is reached, the cold start sequence will be terminated and normal control operation started. 166/278 Siemens Building Technologies Basic Documentation LMV51... 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 167/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 8 Commissioning instructions for the LMV5... system 01.10.2003...
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X3-04 7550u01/0903 LOAD SET POINT TEMP./PRES. TEMP. TRAFO OUTPUT INPUT INPUT X63 1 X60 1 Pt100 X50 1 Pt / Ni 1000 168/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Connection terminals / coding of connectors 01.10.2003...
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9.2 Coding of connectors (CPI) 169/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Connection terminals / coding of connectors 01.10.2003...
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TEMP. / PRESS. INPUT Input 3, analog input (5 pins), SET POINT INPUT Load output (3 pins), LOAD OUTPUT [ / ] Actuator (5 pins) 170/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Connection terminals / coding of connectors 01.10.2003...
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5-pin connector 1 x [ / ] 6-pin connector 1 x RAST 5 Transformer prim I sec II DEFL X10-02.1 Photoresistive detector QRB... 171/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 9 Connection terminals / coding of connectors 01.10.2003...
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Imax 1.5 mA PIN4 Power signal for control of controller AC 230 V +10 % / -15 %, 50...60 Hz, Imax 500 mA 172/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 10 Description of the connection terminals 01.10.2003...
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Wiring point for valves connected in series PIN1 Fuel valve V1 (oil) AC 230 V +10 % / -15 %, 50...60 Hz, 1 A, cos ϕ 0.4 173/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 10 Description of the connection terminals 01.10.2003...
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DC 14 / 21 VC Imax 100 mA PIN1 QRB... signal voltage max. DC 8 V X10-03 PIN1 Ionization probe Umax (X3-04-PINS) Imax. 0.5 mA 174/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 10 Description of the connection terminals 01.10.2003...
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Voltage input for setpoint or load (input 3, DC 0...10 V SETPOINT INPUT) PIN1 Power supply for setpoint changeover approx. DC 24 V max. 2 mA 175/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 10 Description of the connection terminals 01.10.2003...
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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) 176/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 10 Description of the connection terminals 01.10.2003...
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• 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 may be used! • The electrical contacts used by the external signal sources (DWmin, max, LC, etc.) must be gold-plated silver contacts!
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230 V LMV5... basic unit Power trafo 1 7550a03e/0903 AGG5.2xx X3-04 Total length of CAN bus cable ≤ 100 m Note on example 1 178/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Mounting, electrical installation and service 01.10.2003...
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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. 179/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Mounting, electrical installation and service 01.10.2003...
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1) to all the other actuators (SA5) and the O2 module. 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 transformer. 180/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Mounting, electrical installation and service 01.10.2003...
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(2 x SQM45.xxx) 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 181/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Mounting, electrical installation and service...
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AGG5.630 / 631 (cable type 2) LMV5... ↔ AZL5… Silver-grey RAL 7001 0.50 mm 0.50 mm 0.50 mm Shield Drilled pair 2 x 0.25 mm 182/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Mounting, electrical installation and service 01.10.2003...
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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 183/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 11 Mounting, electrical installation and service 01.10.2003...
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(e.g. EN 298, EN 230, EN 676, EN 267, etc.) or whether the respective plant can be approved on an “individual basis“. 184/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 12 Duties of the authorized inspector 01.10.2003...
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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». 185/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 12 Duties of the authorized inspector 01.10.2003...
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It must be made certain that all safety notes and the notes on mounting., electrical General installation and service according to the above mentioned chapter and Data Sheets are complied with. 186/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 12 Duties of the authorized inspector...
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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! 187/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Technical data 01.10.2003...
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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 188/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Technical data 01.10.2003...
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• Unit input current* (safety loop) max. 5 A * Total contact current resulting from: Fan motor contactor Ignition transformer Valves Oil pump / magnetic clutch 189/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 13 Technical data 01.10.2003...
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Cable insulation must satisfy the requirements of the relevant temperature and environmental conditions. The CAN (bus) cables have been specified by Siemens and can be ordered as accessory items. Other types of cables may not be used. Otherwise, the EMC characteristics of the LMV5...
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14 Dimensions Dimensions in mm LMV5... AZL5... 191/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 14 Dimensions 01.10.2003...
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(Key + main loop counter) unequal Internal Fault Basic Unit Internal Fault Basic Unit Unsuccessful synchronization of the 2 µCs 192/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Internal Fault Basic Unit Fuel valve 1 oil feedback Internal Fault Basic Unit Fuel valve 2 oil feedback 193/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Fault Positioning Actuator Positioning fault air actuator Fault Positioning Actuator Positioning fault fuel actuator 194/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Check to see if correct values have been entered for the range controller parameters. Readjust O2 trim control, if required, or repeat the settings 195/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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Internal Fault Basic Unit With the switch instruction, no defined ratio control phase has been identified 196/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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A and Internal Fault Actuator Fault occurred on the active fuel actuator when comparing potentiometer channels A and B 197/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Ignition Pos not defined Ignition position of auxiliary actuator 1 has not been parameterized 198/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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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) 199/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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Check power supply to the actuators Speed Test was not successfully Internal VSD module speed test was not completed successful 200/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Valve or Closed Position Closed Position Indicator (CPI) = on, but Indicator (CPI) open should have been off 201/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Wrong contact position of ignition Check output wiring Internal Fault Basic Unit Wrong contact position of BV relay Check output wiring 202/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Fault at deactivated inputs Deactivate input or do not connect Controller connected but Controller input connected but deactivated deactivated 203/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Programstop active Program stop "STOP_INTERV1" in Phase 44 active Programstop active Program stop "STOP_INTERV2" in Phase 52 active 204/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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If fault cannot be rectified by the reset: Restore AZL… parameters. Otherwise, replace defective basic unit 205/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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Parameter Backup Restore Page is on WR_RESTO Reset the unit. A backup restore was made Parameter Backup Restore Page number 206/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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If fault cannot be rectified by the reset: Restore AZL… parameters. Otherwise, replace defective basic unit 207/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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Internal Fault Basic Unit Fault in "seterr()" Internal Fault Basic Unit Fault in "seterr()" Internal Fault Basic Unit Fault in "error_manager()" 208/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Fault Feedback Gas (Oil) Key error main loop counter Actuator Fault Feedback Gas (Oil) No feedback for max. number Actuator 209/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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No feedback for max. number Fault Feedback Load Controller Basic unit has detected wrong state of the internal load controller 210/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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If fault occurs sporadically: Improve EMC on the air actuator when checking its If fault occurs constantly: Replace defective actuator feedback signal 211/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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CAN bus (CAN address are connected to the CAN bus and rectify (e.g. overflow) readdressing the actuators) 212/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... 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 213/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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If fault cannot be rectified by the reset: Restore AZL… parameters. Otherwise, replace defective basic unit 214/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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If fault occurs constantly: Replace defective actuator Type of fault: See diagnostic code See A1 See A1 See A1 See A1 See A1 215/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Internal Fault Load Controller Max. number of EEPROM attempts exceeded Internal Fault Load Controller Fault during opening of page 216/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Invalid phase during parameterization of the safety-related page P_STATUS Internal Fault Load Controller Invalid phase during parameterization of the safety-related page P_SYSTEM 217/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Open-circuit Pt 100 Sensor (Line Open-circuit compensation line of sensor Check wiring and sensor Compens) PT100 (X60.2 X60.4) 218/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Fault analog output, voltage deviation too great Internal Fault Load Controller Fault during resistance test PT100 input (X60) 219/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Excessive voltage value or wrong polarity Check wiring of input. Check input voltage value voltage measurement input 2 (X61) 220/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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Internal Fault Load Controller TV smaller than min. value Internal Fault Load Controller TV larger than max. value 221/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Internal Fault Load Controller Invalid branch in eeprom module() Internal Fault Load Controller Invalid branch in eeprom module() 222/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Change to menu "OilSettings" Internal Fault AZL CAN queue fault Internal Fault AZL CAN overflow fault Internal Fault AZL CAN busoff 223/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Internal Fault VSD Module Sync fault or CRC fault Internal Fault VSD Module Error code for main loop counter 224/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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If fault cannot be rectified by the reset: Restore AZL… parameters. Otherwise, replace defective basic unit 225/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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In response, the presettings will be ignored 226/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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Internal Fault O2 Module Fault during compensation element test Internal Fault O2 Module Fault during channel comparison of O2 signal 227/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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If fault cannot be rectified by the reset: Restore AZL5... parameters. Otherwise, replace defective O2 module 228/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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Fault during test of port outputs Internal Fault Basic Unit Fault when resetting the set outputs 229/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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O2 monitor. It led to automatic deactivation of O2 trim control or the O2 monitor 230/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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Fault Feedback VSD Module Key error main loop counter Fault Feedback VSD Module No feedback for max. number 231/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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Internal Fault Basic Unit Internal fault calculation of precontrol. Undefined value in the curves used for the calculation 232/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003...
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If fault occurs constantly: Replace defective module If fault occurs sporadically: Improve EMC. If fault occurs constantly: Replace defective module 233/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system...
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VSD (deactivate / activate / air influen) Here, it is also selected whether the VSD shall be used in connection with O2 trim control. 235/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module...
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0 / 4...20 mA ≈ 0...105 % (→ «Standardization of Speed») Current: max. 750 Ω (burden), short-circuit-proof Output load: Resolution: 0,1 % ≥ 0,1 mm Cross-sectional area of wire: 236/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module 01.10.2003...
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1. Motor supplier: Version with threaded hole M8x15 Selection of fan motor 2. Standard motor plus extra machining (drilling hole and cutting thread M8x15) 237/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module...
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The configuration of the current / voltage interfaces of the VSD must be in accordance with the configuration of the LMV5x.2... VSD module. 238/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module...
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25 ms) → Value of 16 means 16 • Parameter: 25 ms = Settling Time (in x • 400 ms (0.4 s) 239/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module 01.10.2003...
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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. 240/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module...
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Num Dev >0.5% The process data will only be stored in RAM, which means that they will be reset via reset or lockout reset. 241/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module...
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Pos. / Speed FUEL 10 % 0° 100 % 7550d07E_FU Load Change of load / position resulting from an automatically entered point 242/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 17 Addendum 3: Variable speed drive (VSD) module 01.10.2003...
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In operation, VSDs produce electromagnetic interference. For this reason - to ensure EMC of the entire system - the instructions provided by the manufacturers must be observed: Siemens Landis & Staefa: - Operating Instructions → EMC-compatible installation - Technical Brochure → Radio Interference...
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Optional shield connection for rough environmental conditions For shielding the cables on the VSD, refer to the following pieces of documentation: • Siemens SED2 VSD Commissioning Instructions (CM1G5192en), chapters 4 and 7, or • Danfoss Operating Instructions VLT 6000 (MG60A703), chapter «Installation»...
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0 / 4...20 mA control of variable speed drive 0...20 mA 0/4-20mA Setpoint OUT RLmax = 750 Ω PIN5 Reference ground PIN6 Functional earth 246/278 Siemens Building Technologies Basisdokumentation LMV5x... CC1P7550de HVAC Products 17 Addendum 3: Variable speed drive (VSD) module 01.10.2003...
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QGO20... and 2 temperature sensors (Pt1000 / LG-Ni 1000). It communicates with the LMV52... via CAN bus. QGO20... Abgas- temperaturfühler Zuluft- temperaturfühler O2-Modul PLL... LMV52.200 247/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
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Effects such as the fan pressure’s impact on the amount of gas are taken into consideration. 248/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 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. 249/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 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 250/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
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/ O monitor, use parameter setting «man deact». Also refer to subsection 18.4.4, Heating up the O2 sensor after «PowerOn». 251/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
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252/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
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Also refer to subsection 18.5.1, Delayed O2 min. value. 253/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
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O trim control must be manually reactivated. 254/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
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O trim control will be deactivated and the burner will be started up without O trim control. 255/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module...
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O monitor will be deactivated. The burner will be started up without O trim control. 256/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
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⎞ ϑ ϑ ⎜ ⎜ • ⎟ ⎟ − Abgas Zuluft − ⎝ ⎠ GehaltLuft η − Efficiency: 257/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
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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... 258/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
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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 259/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
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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 260/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
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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) 261/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 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) 262/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 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 263/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
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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. 264/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 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. 265/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 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. 266/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52...
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«Controller parameters» menu, and changed, if required. The O2 setpoint must lie at least 0.5 % above the O2 min. value and 1 % below the O2 ratio value. 267/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 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. 268/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52...
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Irregularities should be avoided. Frequenzumrichter Klappe Leistung (%) ____ Good ------ Poor 269/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
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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. 270/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 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! 271/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 18 Addendum 4: LMV52... with O2 trim control and O2 module 01.10.2003...
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Analog inputs 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 41,5 272/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 19 Dimensions 01.10.2003...
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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. 273/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 20 Revision history...
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Operating mode 6 → → intLC Operating mode 1 = Ext LC X5- 20.2.3 With software version V01.50 or higher, Pt100 sensors in operating mode 6 are permitted 274/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 20 Revision history 01.10.2003...
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Hence, the type references indicate the state of release and show the unit versions that work together. 20.3.1 Software changes to the flash memory The software version of the flash memory has been changed from V02.20 to V02.50. 275/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 20 Revision history 01.10.2003...
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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... 276/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 20 Revision history 01.10.2003...
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187, 271 Installation Technical data interface temperature limiter function 82, 165 interface for BACS time parameter Interface for LMV52... systems writing parameter Legend to fuel trains 277/278 Siemens Building Technologies Basic Documentation LMV51... CC1P7550en HVAC Products 20 Revision history 01.10.2003...
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