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Building Technologies
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
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
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
Basic Documentation LMV5...
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CC1P7550en
22.05.2018
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