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Siemens Building Technologies
HVAC Products
12.10
12.10.1
General ..........................................................................................................52
12.10.2
12.10.3
12.11
Protective functions........................................................................................53
12.11.1
Pump kick ......................................................................................................53
12.11.2
Valve kick.......................................................................................................53
12.11.3
Shutdown of pump .........................................................................................53
13
Precontrol.......................................................................................................54
13.1
General ..........................................................................................................54
13.2
Heat demand .................................................................................................54
13.3
Control ...........................................................................................................54
13.4
Pump Q1........................................................................................................54
13.5
13.6
Frost protection ..............................................................................................55
13.7
Other functions...............................................................................................55
13.8
Room unit.......................................................................................................56
14
14.1
Operating lines...............................................................................................57
14.2
Mode of operation ..........................................................................................57
14.3
Control process..............................................................................................57
14.4
14.5
14.6
14.7
15
15.1
Operating lines...............................................................................................60
15.2
Mode of operation ..........................................................................................60
15.3
Control process..............................................................................................60
15.4
15.5
16
16.1
Operating lines...............................................................................................62
16.2
16.3
16.4
16.5
Legionella function .........................................................................................63
16.6
16.6.1
General ..........................................................................................................63
Basic Documentation RVD230
Contents
CE1P2383en
27.05.2004