Siemens LMU64 Series - Page 167

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Siemens Building Technologies Titel des Dokumentes CC1P7494de
HVAC Products Index 07.11.2002
Index
A
Acquisition of actual values
Assignment of analog sensors.........................37
Ionization current ...........................................38
Temperatures................................................37
Actuating device when analog signal exceeds
threshold.........................................................109
Actuating device with full DHW charging activated.108
Actuating device with warm air curtain function
activated..........................................................108
AGU2.500...-clip-in for additional heating circuit......79
Determining the flow temperature setpoint.........80
Flow temperature control ................................80
Frost protection .............................................80
Functional test...............................................81
Functions......................................................79
Hydraulic diagrams ........................................79
Inputs / outputs..............................................79
Interfaces for the LMU... .................................80
Mixing valve control........................................81
Overtemperature protection.............................80
Pump control.................................................81
Sensor .........................................................80
Sensor inputs (analog)....................................79
AGU2.51x clip-in function module.........................89
Functions......................................................89
Inputs...........................................................90
Outputs ........................................................89
Alarm output ....................................................107
Aqua-booster...................................................103
Assignment of hydraulic diagrams to the outputs of the
LMU… ............................................................166
Attenuated outside temperature............................70
Automatic 24-hour heating limit ...................... 71, 77
Auxiliary modules
AGU2.500........................................ 11, 79, 127
AGU2.51x ........................................ 11, 89, 127
OCI420.........................................11, 35, 82, 87
B
Basic diagram
LMU... ........................................................110
Basic diagrams ................................................149
Basic function of controller clip-in module.............108
Boiler control
Boiler cycling protection..................................52
Boiler temperature control...............................52
Controller configuration...................................50
Controller delay .............................................49
Frost protection for the boiler...........................49
Boiler temperature setpoint50, 57, 58, 66, 73, 74, 95,
96, 98, 106
Brief description LMU..........................................10
Burner control functions
Control program............................................ 17
EEPROM..................................................... 17
Forced intermittent operation .......................... 17
Program selection ......................................... 17
Sequence diagram ........................................ 18
C
Cable lengths
LMU Ö Clip-In.............................................126
LMU Ö HMI................................................126
Cascade applications.......................................... 84
Clip-in AGU2.500... ............................................ 79
Clip-in AGU2.51x ............................................... 89
Clip-in mounting................................................135
Clip-in OCI420................................................... 82
Clip-in range...................................................... 16
Clip-ins (Technical data).....................................127
Compensation variants
Configuration of the heating circuits................. 34
DHW circuit.................................................. 35
Heating circuits............................................. 30
Room setpoint .............................................. 32
Composite outside temperature ........................71, 77
Connection diagram
AGU2.104A109............................................112
AGU2.500A109............................................113
AGU2.500A209............................................114
AGU2.51x ...................................................117
Connecting cable between OCI490... and PC...118
DHW stepper motor (bipolar)..........................112
LMU............................................................111
OCI420A109................................................115
OCI420A209................................................116
Connection of LMU... to ALBATROS via OCI420.... 82
Consumer management
Determining the demands for heat................... 56
Determining the temperature demand .............. 57
Summer / winter (S / W) changeover................ 59
Controller configuration
Determining the controller coefficients.............. 50
Heat output limits .......................................... 51
Transfer of setpoint / actual value .................... 50
Controller delay
due to parameterization.................................. 49
due to SLT criterion ....................................... 50
D
Demands for heat
Combinations of RU and room thermostat / time
switch.......................................................... 76
Room thermostat........................................... 75
RU............................................................... 75
Time switch.................................................. 73