CE1P2522E / 30.03.2000
Basic Documentation RVL470
Siemens Building Technologies
TOC-II
Contents
Landis & Staefa Division
4.1.3.1.
Measurement ................................................................................................ 11
4.1.3.2.
Handling of faults........................................................................................... 11
4.1.4.
Primary return temperature (B7).................................................................... 11
4.1.4.1.
Measurement ................................................................................................ 11
4.1.4.2.
Handling of faults........................................................................................... 11
4.1.5.
Secondary return temperature (B71)............................................................. 12
4.1.5.1.
Measurement ................................................................................................ 12
4.1.5.2.
Handling of faults........................................................................................... 12
5.
Function block "End-user 1"...................................................................... 13
5.1.
Operating lines .............................................................................................. 13
5.2.
Setpoints ....................................................................................................... 13
5.2.1.
General ......................................................................................................... 13
5.2.2.
Frost protection for the building ..................................................................... 13
5.3.
Heating program............................................................................................ 13
5.4.
Holiday program ............................................................................................ 14
6.
Function block "End-user 2"...................................................................... 15
6.1.
Operating lines .............................................................................................. 15
6.2.
Time of day and date..................................................................................... 15
6.3.
Indication of faults ......................................................................................... 15
7.
Function block "Plant type" ....................................................................... 17
7.1.
Operating line ................................................................................................ 17
7.2.
General ......................................................................................................... 17
8.
Function block "Space heating" ................................................................ 18
8.1.
Operating lines .............................................................................................. 18
8.2.
ECO function ................................................................................................. 18
8.2.1.
Compensating variables and auxiliary variables............................................ 18
8.2.2.
Heating limits................................................................................................. 19
8.2.3.
Mode of operation ......................................................................................... 19
8.2.3.1.
Switching the heating off ............................................................................... 19
8.2.3.2.
Switching the heating on ............................................................................... 20
8.2.4.
Operating modes and operational statuses ................................................... 20
8.3.
Room temperature source............................................................................. 20
8.4.
Optimization .................................................................................................. 20
8.4.1.
Definition and purpose .................................................................................. 20
8.4.2.
Fundamentals................................................................................................ 21
8.4.2.1.
With a room temperature sensor ................................................................... 21
8.4.2.2.
Without a room temperature sensor .............................................................. 21
8.4.3.
Process ......................................................................................................... 21
8.4.4.
Room model temperature.............................................................................. 21
8.4.5.
Optimum stop control .................................................................................... 22
8.4.6.
Quick setback................................................................................................ 22
8.4.7.
Optimum start control .................................................................................... 23
8.4.8.
Boost heating ................................................................................................ 23
8.5.
Room functions ............................................................................................. 24
8.5.1.
Maximum limitation of the room temperature ................................................ 24
8.5.2.
Room temperature influence ......................................................................... 25