Siemens RVL471 - Page 5

5/118
Siemens Building Technologies Basic Documentation RVL471 CE1P2524E
HVAC Products Contents 23.10.2002
6.3 Actual value ...................................................................................................32
7 Function block "Enduser general"..................................................................33
7.1 Operating lines...............................................................................................33
7.2 Switching program 2 ......................................................................................33
7.3 Time of day and date .....................................................................................33
7.4 Indication of errors .........................................................................................34
8 Function block "Plant type" ............................................................................35
8.1 Operating line.................................................................................................35
8.2 General ..........................................................................................................35
9 Function block "Cascade slave".....................................................................36
9.1 Operating lines...............................................................................................36
9.2 Mode of operation..........................................................................................36
9.2.1 Boiler sequence release integral (KFI)...........................................................36
9.2.2 Boiler sequence reset integral (KRI)..............................................................36
10 Function block "Space heating" .....................................................................37
10.1 Operating lines...............................................................................................37
10.2 ECO function .................................................................................................37
10.2.1 Compensating variables and auxiliary variables............................................37
10.2.2 Heating limits .................................................................................................38
10.2.3 Mode of operation..........................................................................................38
10.2.4 Operating modes and operating states..........................................................39
10.3 Room temperature source .............................................................................39
10.4 Optimization...................................................................................................39
10.4.1 Definition and purpose...................................................................................39
10.4.2 Fundamentals ................................................................................................39
10.4.3 Process..........................................................................................................40
10.4.4 Room model temperature ..............................................................................40
10.4.5 Optimum stop control.....................................................................................41
10.4.6 Quick setback ................................................................................................41
10.4.7 Optimum start control.....................................................................................42
10.4.8 Boost heating.................................................................................................42
10.5 Room functions..............................................................................................43
10.5.1 Maximum limitation of the room temperature.................................................43
10.5.2 Room influence..............................................................................................43
10.6 Heating curve.................................................................................................44
10.6.1 Purpose..........................................................................................................44
10.6.2 Basic setting ..................................................................................................44
10.6.3 Deflection.......................................................................................................45
10.6.4 Parallel displacement of heating curve..........................................................46