Siemens LMV52 series User Manual

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Building Technologies Basic Documentation LMV5... CC1P7550en
22.05.2018
7 Boiler controller / load controller ............................................................. 100
7.1 General ........................................................................................................ 100
7.2 Connection diagram .................................................................................... 100
7.3 Operating modes load controller ................................................................. 101
7.3.1 Manual / automatic burner startup ............................................................... 106
7.3.2 Operating mode changeover to internal load controller ............................... 107
7.4 Control (characteristics) ............................................................................... 108
7.4.1 Integrated 2-position controller (R = ON/OFF) ............................................ 108
7.4.2 Modulating control ....................................................................................... 109
7.4.2.1 Manual setting of the PID control parameters ............................................. 110
7.4.2.2 Adaption / self-setting of PID controller parameters .................................... 111
7.4.3 Multistage control ........................................................................................ 115
7.5 Actual values (X) ......................................................................................... 117
7.6 Setpoints (W) .............................................................................................. 120
7.7 Integrated temperature limiter function ....................................................... 123
7.8 Cold start thermal shock protection (CSTP) ................................................ 125
7.8.1 Cold start thermal shock protection – modulating operation ....................... 125
7.8.2 Cold start thermal shock protection – multistage operation ......................... 126
7.8.3 Cold start thermal shock protection with temperature sensor in pressure
plants ........................................................................................................... 127
7.9 Analog output X63 (0(4)...20 mA) ................................................................ 128
7.10 Multiboiler plants .......................................................................................... 129
7.10.1 Multiboiler plants by means of analog input ................................................ 129
7.10.2 Multiboiler plants by means of digital interface ............................................ 129
8 Display and operating unit AZL5 ............................................................. 130
8.1 Assignment of AZL5 terminals ..................................................................... 131
8.2 Ports of the AZL5 ......................................................................................... 133
8.2.1 Port for the PC ............................................................................................. 134
8.2.2 Interface to BACS ........................................................................................ 135
8.2.2.1 General information and BACS functions .................................................... 135
8.2.2.2 Modbus ........................................................................................................ 135
8.2.3 Interface for the output of trending data ...................................................... 138
8.3 Displays and settings ................................................................................... 139
8.3.1 Menu structure ............................................................................................. 139
8.3.2 Display of normal operation ......................................................................... 140
8.3.3 Lockout and error messages ....................................................................... 143
8.3.3.1 Example: Display of lockouts in the lockout history ..................................... 143
8.3.4 Standard parameterizations (inclusive entry of password) ............................ 145
8.3.5 Addressing / function assignment of actuators ............................................ 149
8.3.6 Setting the fuel-air ratio control curves ........................................................ 151
8.3.6.1 Adjusting the curves by introducing or editing an individual point ............... 152
8.3.6.2 Curve setting via manual operation ............................................................. 156
8.3.6.3 Setting modulating ratio control ................................................................... 159
8.3.6.4 Setting multistage ratio control .................................................................... 159
8.3.7 Adaption of the load controller's PID parameters ........................................ 161
8.3.8 Burner identification / backup - restore ........................................................ 163
8.3.9 Languages ................................................................................................... 163
8.3.10 Real time clock / calendar, automatic summer / wintertime changeover ..... 164
8.3.11 Adjustment of contrast, shut-off, quick access ............................................ 164
8.4 TÜV test ....................................................................................................... 165
9 Commissioning instructions for the LMV5 ............................................. 166
9.1 Basic configuration ...................................................................................... 166
9.2 Settings for gas-fired operation ................................................................... 171
9.3 Settings for multistage oil-fired operation .................................................... 176
9.4 Extra functions of the LMV5 ........................................................................ 181

Siemens LMV52 series Specifications

General

Brand	Siemens
Model	LMV52 series
Category	Control Unit
Language	English