Siemens RVL481 Basic Documentation page 5

Siemens
Building Technologies
8.1 Operating line ................................................................................................ 34
8.2 General.......................................................................................................... 34
9 Function block "Cascade slave"................................................................ 35
9.1 Operating lines .............................................................................................. 35
9.2 Mode of operation.......................................................................................... 35
9.2.1 Boiler sequence release integral (KFI) .......................................................... 35
9.2.2 Boiler sequence reset integral (KRI).............................................................. 35
10 Function block "Space heating" ................................................................ 36
10.1 Operating lines .............................................................................................. 36
10.2 ECO function ................................................................................................. 36
10.2.1 Compensating variables and auxiliary variables ........................................... 36
10.2.2 Heating limits ................................................................................................. 37
10.2.3 Mode of operation.......................................................................................... 37
10.2.4 Operating modes and operating states ......................................................... 38
10.3 Room temperature source............................................................................. 38
10.4 Optimization................................................................................................... 38
10.4.1 Definition and purpose................................................................................... 38
10.4.2 Fundamentals................................................................................................ 38
10.4.3 Process.......................................................................................................... 39
10.4.4 Room model temperature.............................................................................. 39
10.4.5 Optimum stop control .................................................................................... 40
10.4.6 Quick setback ................................................................................................ 40
10.4.7 Optimum start control .................................................................................... 41
10.4.8 Boost heating................................................................................................. 41
10.5 Room functions.............................................................................................. 42
10.5.1 Maximum limitation of the room temperature ................................................ 42
10.5.2 Room influence.............................................................................................. 43
10.6 Heating curve ................................................................................................ 43
10.6.1 Purpose ......................................................................................................... 43
10.6.2 Basic setting .................................................................................................. 43
10.6.3 Deflection....................................................................................................... 44
10.6.4 Parallel displacement of heating curve.......................................................... 45
10.6.5 Display of setpoints ....................................................................................... 45
10.7 Generation of setpoint ................................................................................... 46
10.7.1 Weather-compensated control ...................................................................... 46
10.7.2 Demand-compensated control ...................................................................... 46
11 Function block "3-position actuator heating circuit"............................... 47
11.1 Operating lines .............................................................................................. 47
11.2 Limitations ..................................................................................................... 47
11.2.1 Flow temperature limitations.......................................................................... 47
Heating and D.h.w. Controller RVL481
Contents
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CE1P2541en
20.05.2008