Assortment / System Description

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Table of Contents
1 Product range overview ........................................................................... 9
2 Connecting to the automation level ..................................................... 14
3 Connecting to Desigo CC ...................................................................... 15
4 Applications ............................................................................................ 16
5 User roles ............................................................................................... 18
6 Web server .............................................................................................. 19
7 Rooms and room segments ................................................................... 20
8 Central function with groups ................................................................ 23
9 Alarms ..................................................................................................... 25
9.1 System alarms on DXR2 ................................................................................. 25
9.2 Preconfigured system alarms ........................................................................ 25
9.3 Process alarms on free inputs ....................................................................... 25
9.4 Time response to system and process alarms ............................................ 26
10 Trends ..................................................................................................... 27
11 Control function ..................................................................................... 28
11.1 Room operating modes ................................................................................... 28
11.2 Room operating mode determination............................................................ 28
11.3 Plant operating mode determination ............................................................ 30
11.4 Room controller and setpoints ....................................................................... 32
11.4.1 Temperature setpoints ................................................................... 32
11.4.2 Temperature control: Direct or cascading.................................... 34
11.4.3 Air quality setpoints ........................................................................ 35
11.4.4 Setpoints for air volume tracking .................................................. 35
11.4.5 Setpoints for relative humidity ....................................................... 35
11.4.6 Room controller output signals ...................................................... 36
11.4.7 Activate aggregates based on plant operating mode ................. 38
11.4.8 Controller operating mode for heating and cooling aggregates
based on the plant operating mode .............................................. 39
11.4.9 Stage controller of aggregates ....................................................... 40
11.5 Output signals to the aggregates .................................................................. 42
11.5.1 Staged output ................................................................................... 43
11.5.2 Modulating output ........................................................................... 43
12 Operation in room .................................................................................. 44
12.1 Green Leaf ........................................................................................................ 45
12.2 Room operator unit QMX3.P34 ...................................................................... 46
12.3 Room operator unit QMX3.P74 ...................................................................... 47
12.4 Room operator unit QMX3.P36 ...................................................................... 49
12.4.1 Layouts for fan coil/heat pump applications ............................... 49
12.4.2 Layouts for radiators, ceiling heating/chilled ceiling, and chilled
beam applications ........................................................................... 50
12.4.3 Layouts for VAV applications ......................................................... 51
12.5 Room operator unit QMX3.P37 ...................................................................... 52