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Technical Manual Glass Room Temp. Contr. SCN-RT1Gx.01
6 Room Temperature Controller ........................................................................................................... 34
6.1 Temperature Measurement ........................................................................................................ 34
6.2 Alarm/Messages .......................................................................................................................... 36
6.3 Controller general........................................................................................................................ 38
6.3.1 Controller type ..................................................................................................................... 38
6.3.2 Operating modes & Setpoints .............................................................................................. 39
6.3.2.1 Operating mode - Comfort ............................................................................................ 40
6.3.2.2 Operating mode - Night ................................................................................................. 40
6.3.2.3 Operating mode - Standby ............................................................................................ 40
6.3.2.4 Operating mode - Frost/Heat protection ...................................................................... 40
6.3.2.5 Priorität der Betriebsarten ............................................................................................ 41
6.3.2.6 Operating mode switchover .......................................................................................... 41
6.3.2.7 Operating mode after reset........................................................................................... 44
6.3.3 Setpoint offset ...................................................................................................................... 45
6.3.4 Disable objects ..................................................................................................................... 47
6.3.5 Heating/Cooling request objects .......................................................................................... 48
6.3.6 Guiding ................................................................................................................................. 49
6.3.7 Dead zone ............................................................................................................................. 51
6.4 Controller setting ......................................................................................................................... 53
6.4.1 Control value ........................................................................................................................ 53
6.4.2 PI control continuous ........................................................................................................... 54
6.4.2.1 Max value of control value ............................................................................................ 55
6.4.2.2 Heating/ cooling system ................................................................................................ 55
6.4.2.3 Proportional range ........................................................................................................ 55
6.4.2.4 Reset time ...................................................................................................................... 56
6.4.2.5 Send control value cyclic ............................................................................................... 56
6.4.3 PI control switching (PWM) .................................................................................................. 57
6.4.3.1 PWM cycletime.............................................................................................................. 58
6.4.4 Two-step control (switching) ................................................................................................ 59
6.4.4.1 Hysteresis ...................................................................................................................... 60
6.4.5 Direction of controller .......................................................................................................... 61
6.4.6 Additional level ..................................................................................................................... 61
6.4.7 Additional settings for heating and cooling ......................................................................... 64
4.5.7.1 - 2 Pipe system .............................................................................................................. 64
6.4.7.2 4 Pipe-System ............................................................................................................. 65
6.4.7.3 Switchover heating and cooling .................................................................................... 67
MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1
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Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de
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