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Siemens Building Technologies Basic Documentation LMV51... CC1P7550en
HVAC Products 01.10.2003
− General .................................................................................................76
− Load-dependent activation of the higher burner stages .......................76
− Function diagrams ................................................................................ 77
1.1 Actual values (X) ...........................................................................................78
− Input 1, TEMP, Pt100 sensor (DIN) X60...............................................78
− Input 2: TEMP. / PRESS INPUT, DC 0...10 V / DC 2...10 V / 4...20 mA
X61 .......................................................................................................78
− Measuring range temperature (can be parameterized).....................78
− Measuring range pressure (can be parameterized)..........................78
− Input 4: TEMP, Pt1000 / LG-Ni 1000 X60............................................. 79
1.1 Setpoints (W).................................................................................................80
− Internal setpoint .................................................................................... 80
− Input 3: SET POINT INPUT X62........................................................... 80
− External predefined setpoint .............................................................80
− External predefined load ................................................................... 80
− External predefined ........................................................................... 80
− load, modulating................................................................................80
− External predefined load, multistage................................................. 81
− External setpoint changeover............................................................81
− External setpoints or predefined load via digital e-bus interface ..........81
1.1 Integrated temperature limiter function..........................................................82
− TL within the scope of TRD ..................................................................82
− TL with external predefined load...........................................................82
− Requirements placed on sensor and protection pocket........................ 82
1.1 Cold start thermal shock protection (CSTP) .................................................. 83
1.1.1 CSTP - modulating operation ........................................................................83
1.1.1 CSTP - multistage operation .........................................................................84
1.1.1 CSTP with temperature sensor in pressure plants ........................................ 84
1.1 Output............................................................................................................85
1.1.1 Output 4...20 mA ...........................................................................................85
− Output, modulating ............................................................................... 85
− Output, multistage.................................................................................85
1.1 Multiboiler plants............................................................................................85
1.1.1 Multiboiler plants by means of an analog input .............................................85
1.1.1 Multiboiler plants by means of a digital interface...........................................85
1 Display and operating unit AZL5... ............................................................86
1.1 Assignment of AZL5… terminals ................................................................... 87
− Connecting cable to the e-bus adapter................................................. 88
− Connecting cable to the PC ..................................................................88
1.1 Ports of the AZL5… ....................................................................................... 89
1.1.1 Port for the PC...............................................................................................90
1.1.1 Connection to superposed systems ..............................................................91
− General information and BACS functions .............................................91
− Reading eBus-specific ...................................................................... 91
− data ...................................................................................................91
− Writing parameters............................................................................92
− List of supported ................................................................................... 92
− eBus commands ...................................................................................92
1.2 Display and settings ......................................................................................93