Siemens LMU54 Series Basic Documentation page 169

Limitation of ionization current .............................. 48
Load limitation.................................................... 45
Lockout position storage.................................... 141
LPB device address............................................ 88
LPB interface..................................................... 82
LPB segment address......................................... 88
M
Mains transformer.................................13, 109, 128
Mixing circuit extensions .................................... 153
Mixing valve control ............................................ 81
Modem function................................................ 106
Mounting (general)............................................ 119
Mounting the LMU5x... ...................................... 119
Mounting, electrical installation and service
Ignition device ............................................. 119
Mounting (general)....................................... 119
Mounting the LMU5x..................................... 119
Terminals and wiring .................................... 119
Testing by the customer................................ 120
Multiboiler plants with LMU .................................. 84
Operation with the RVA65... ............................ 85
Separate DHW circuit in cascade applications ... 85
O
OCI420...-clip-in for communication via LPB........... 82
Functions ...................................................... 82
Inputs / outputs.............................................. 82
Interfaces to LMU........................................... 82
Operation / service.............................................. 12
Operational status signal ................................... 107
Other features .................................................... 13
Overtemperature protection ........................... 79, 80
P
Parameter list LMU...
Burner control fan ........................................ 139
Burner control identification ........................... 140
Burner control sequence............................... 139
Controller coefficients ................................... 138
Controller functions ...................................... 137
Controller times ........................................... 138
LPB ........................................................... 140
MCI............................................................ 140
Operating data ............................................ 140
Pressures ................................................... 138
Switching differentials................................... 137
Temperatures .............................................. 136
Parameterization .........................................13, 105
Phase designations / numbers ............................ 141
Power concept ................................................. 109
Pressure sensor ................................................. 42
Product liability ................................................... 14
Programmable input of the LMU.......................... 106
Programmable output of the LMU........................ 107
Pump circuit extensions..................................... 151
Pump control
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HVAC Products
Titel des Dokumentes
Index
PWM pump ........................................... 63, 106
with mixing circuits ........................................ 81
with pump circuits.......................................... 81
Pump kick .................................................. 81, 106
Pump of pressureless header .............................108
Pump output second heating circuit .....................108
Pump overrun .................................................... 81
PWM heating circuit pump................................... 61
Q
Quick setback constant (KON) ............................. 78
R
Room temperature setpoint ............ 30, 32, 33, 72, 74
Room thermostat ........................ 30, 73, 75, 76, 125
RU .............. 30, 34, 35, 36, 45, 73, 74, 75, 76, 78, 97
RVA65-operation ............................................... 85
S
S / W changeover.....................59, 70, 73, 74, 75, 77
Safety functions ................................................. 11
Sensor.............................................................. 80
Sensor input Pressureless header ........................ 91
Sensor inputs ............................. 79, 89, 90, 96, 126
Special functions
Forced signals .............................................105
Parameterization..........................................105
Power concept .............................................109
Programmable input of the LMU... ..................106
Programmable output of the LMU... ................107
Speed limitation ............................................ 48, 51
Speed readjustment ........................................... 28
Status output ....................................................107
Stepper motor...................12, 21, 107, 108, 112, 124
Storage tank systems .................................... 95, 96
Stratification storage tank ............................. 96, 108
Supervision / protective functions ......................... 11
Supervisory functions
Electronic (S)LT ............................................ 40
Flow switch / water pressure........................... 42
Flue gas temperature..................................... 39
Limitation of ionization current ......................... 48
Load limitation .............................................. 45
Pressure sensor............................................ 42
Speed limitation ............................................ 48
Temperature limiter ....................................... 39
Switching off the external transformer ..................108
System application ............................................. 12
System concept ................................................. 10
System functions
Error / diagnostic messages from the LMU........ 86
Outside sensor, outside temperature sensor ..... 88
Setting the LPB device and segment address ... 88
Uniform system time ...................................... 86
T
Technical data..................................................121
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CC1P7494de
07.11.2002