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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