Basic Documentation

A6V12114068_en--_c
3 | 66
4.6.4 4-pipe fan coil unit ...................................................................... 35
4.6.5 Chilled/heated ceiling and radiator applications .......................... 36
4.6.6 Compressor applications ............................................................ 36
4.6.7 Setpoints and sequences ........................................................... 37
4.7 Control outputs ......................................................................................... 38
4.7.1 Overview.................................................................................... 38
4.7.2 Control output configuration (setting via DIP switches or Modbus
commissioning tool) ................................................................... 39
4.8 Fan control ............................................................................................... 39
4.9 Multifunctional input, digital input ............................................................... 43
4.10 Handling system faults .............................................................................. 45
4.11 Modbus RTU mode ................................................................................... 45
4.11.1 Fault and alarms function on Modbus ......................................... 45
4.11.2 Receive timeout ......................................................................... 46
4.12 Communication objects ............................................................................. 47
4.12.1 Overview.................................................................................... 47
4.12.2 Description of communication objects......................................... 48
4.13 Control parameters ................................................................................... 53
4.13.1 Parameter setting via local HMI .................................................. 53
4.13.2 Setting/downloading parameters via tool .................................... 53
4.13.3 Service level parameters ............................................................ 54
4.13.4 Expert level parameters with diagnostics and test....................... 55
5 Connection .............................................................................................. 58
5.1 Connection terminals ................................................................................ 58
5.2 Connection diagrams ................................................................................ 59
6 Technical data ......................................................................................... 60
7 Dimensions ............................................................................................. 63
Index ................................................................................................................ 64