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Building Technologies Boiler Sequence Controller RMK770 CE1P3132en
HVAC Products Contents 23.04.2009
3.10 Leaving the password level............................................................................47
3.11 Marking changes............................................................................................47
3.12 Plant types and default terminal assignments ...............................................48
4 General settings.............................................................................................52
4.1 Time of day and date .....................................................................................52
4.1.1 Operating principle.........................................................................................52
4.1.2 Communication ..............................................................................................52
4.1.3 Fault handling ................................................................................................53
4.2 Selecting the language ..................................................................................54
4.3 Selecting the unit of temperature ...................................................................54
4.4 Contrast of the operator unit’s display ...........................................................54
4.5 Text entry .......................................................................................................54
4.5.1 Device name and file name ...........................................................................54
4.5.2 Aggregate names...........................................................................................55
4.5.3 Text of fault inputs..........................................................................................55
4.5.4 Electronic business card ................................................................................55
4.5.5 Resetting text entries .....................................................................................56
5 General functions, fundamentals ...................................................................57
5.1 Time switch ....................................................................................................57
5.1.1 Communication ..............................................................................................57
5.1.2 Entering the 24-hour program for space heating ...........................................58
5.1.3 Fault handling ................................................................................................59
5.2 Holidays / special days ..................................................................................59
5.2.1 Communication ..............................................................................................59
5.2.2 Holidays .........................................................................................................60
5.2.3 Special days...................................................................................................60
5.2.4 Calendar entry ...............................................................................................61
5.2.5 Control inputs for holidays and special days..................................................61
5.2.6 Fault handling ................................................................................................62
5.3 Frost protection for the plant ..........................................................................62
5.4 Pump overrun and mixing valve overrun .......................................................63
5.5 Pump kick and valve kick...............................................................................63
5.6 Heat demand and load control.......................................................................64
5.6.1 Heat demand .................................................................................................64
5.6.2 Load control ...................................................................................................65
5.7 Mixing valve control .......................................................................................66
5.7.1 Control ...........................................................................................................66
5.7.2 Setting aids ....................................................................................................67
5.7.3 Control signal .................................................................................................69
5.8 Pump control..................................................................................................69
5.8.1 Hours run counter ..........................................................................................69