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Contents
1 About this document ................................................................................. 5
1.1 Purpose of this document .................................................................................. 5
1.2 Revision history .................................................................................................... 5
1.3 Reference documentation .................................................................................. 5
1.4 Before you start ................................................................................................... 5
1.4.1 Copyright .............................................................................................. 5
1.4.2 Quality assurance ................................................................................ 5
1.4.3 Document use / request to the reader ............................................ 6
1.5 Target audience, prerequisites .......................................................................... 6
2 Overview ..................................................................................................... 7
3 Functions .................................................................................................... 9
3.1 Temperature control............................................................................................ 9
3.2 Operating modes .................................................................................................. 9
4 Applications .............................................................................................. 11
4.1 Overview .............................................................................................................. 11
4.2 Additional functions .......................................................................................... 12
4.3 Control sequences ............................................................................................. 14
4.3.1 Overview ............................................................................................. 14
4.3.2 2-pipe fan coil unit ............................................................................ 15
4.3.3 2-pipe fan coil unit with electric heater ........................................ 16
4.3.4 4-pipe fan coil unit ............................................................................ 17
4.3.5 Chilled ceiling with radiator ............................................................. 18
4.3.6 Setpoint and sequences ................................................................... 18
5 Control outputs ........................................................................................ 20
5.1 Fan control .......................................................................................................... 21
5.2 Fan operation ..................................................................................................... 22
6 Multifunctional input, digital input ........................................................ 24
7 Type summary .......................................................................................... 25
7.1 Equipment combinations .................................................................................. 25
8 Communication ........................................................................................ 27
8.1 BACnet MS/TP ................................................................................................... 27
8.2 Communication objects .................................................................................... 28
8.3 Control parameters ............................................................................................ 32
8.3.1 Parameter setting via local HMI ..................................................... 33
8.3.2 Parameter list .................................................................................... 33
9 Connection terminals .............................................................................. 39
10 Connection diagrams .............................................................................. 40
11 Dimensions ............................................................................................... 42
12 Mounting and installation ....................................................................... 43
13 Commissioning ......................................................................................... 44
14 Operation .................................................................................................. 46