Carel k.Air, User Manual, Page: 5 / 192

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k.air +030220981 rel. 1.2 - 01.12.2020
Index
1. Introduction ............................................................... 7
1.1 Main features .......................................................................................................7
1.2 Map of points and functional diagram ...............................................8
1.3 Series of accessories for k.Air .................................................................. 10
2. C ommunication ports ............................................ 13
3. Hardware installation ............................................. 14
3.1 Assembly and dimensions – mm (in) ................................................ 14
3.2 Description of the c.pCO mini terminals ......................................... 15
3.3 Installation
.......................................................................................................... 16
3.4 Power supply .................................................................................................... 17
3.5 pGDE terminal connection ...................................................................... 17
3.6 Universal input/output connections ................................................. 18
3.7 Connection
diagrams ................................................................................. 24
4. User interface ........................................................... 25
4.1 Introduction ...................................................................................................... 25
4.2 Keypad .................................................................................................................. 25
4.3 Display .................................................................................................................. 25
4.4 Programming mode .................................................................................... 26
4.5 Setting the parameters .............................................................................. 27
4.6 Quick access menu ....................................................................................... 28
5. th-Tune (accessory) ................................................. 30
5.1 Introduction ...................................................................................................... 30
5.2 Keypad .................................................................................................................. 31
5.3 Display .................................................................................................................. 31
5.4 Setting the time and day of the week .............................................. 32
5.5 Setting the time bands .............................................................................. 32
5.6 Main data display ........................................................................................... 34
5.7 Cambio
setpoint ............................................................................................. 35
5.8 Party function ................................................................................................... 35
5.9 Fan speed control .......................................................................................... 35
5.10 Procedure for setting the time bands on th-Tune..................... 36
6. p GDX and W eb server (accessory) ....................... 38
6.1 Introduction ...................................................................................................... 38
7. Menu description .................................................... 40
7.1 Menu tree ........................................................................................................... 40
7.2 Service parameters ....................................................................................... 41
7.3 Manufacturer parameters ......................................................................... 42
8. C ommissioning........................................................ 43
8.1 Choose pre-loaded confi guration ..................................................... 43
8.2 Upload confi guration from USB pen drive .................................... 44
8.3 Load from auto- backup ............................................................................ 44
8.4 Manual
confi guration ................................................................................. 44
8.5 Input/output confi guration .................................................................... 45
8.6 Unit of measure .............................................................................................. 45
8.7 Hour counter setting for each device ............................................... 46
8.8 FieldBus serial port confi guration........................................................ 46
8.9 Manual
mode ................................................................................................... 47
8.10 Save confi guration ........................................................................................ 47
9. F unctions .................................................................. 49
9.1 Dampers .............................................................................................................. 49
9.2 Activation ............................................................................................................ 50
9.3 Shutdown ........................................................................................................... 52
9.4 Types of control .............................................................................................. 54
9.5 PID
control ......................................................................................................... 55
9.6 Temperature control .................................................................................... 58
9.7 Cooling and heating .................................................................................... 59
9.8 Set point compensation with outside air probe ........................ 60
9.9 Coils
........................................................................................................................ 61
9.10 Direct expansion with integrated management ....................... 64
9.11 Direct expansion managed by μChiller ........................................... 68
9.12 Indirect evaporative cooling (IEC) ....................................................... 69
9.13 Humidity control ............................................................................................ 71
9.14 Humidifi cation ................................................................................................. 72
9.15 Dehumidifi cation ........................................................................................... 73
9.16 Freecooling/free heating .......................................................................... 74
9.17 Heat recovery ................................................................................................... 76
9.18 Fans ......................................................................................................................... 77
9.19 Air quality control .......................................................................................... 80
9.20 Auxiliary control .............................................................................................. 81
9.21 Sanifi cation device ........................................................................................ 83
9.22 Purge function ................................................................................................. 83
9.23 Frost protection .............................................................................................. 83
9.24 Heat recovery unit defrost ....................................................................... 86
9.25 Evaporator defrost ......................................................................................... 87
9.26 Probe error management ......................................................................... 91
9.27 Operating profi les ......................................................................................... 92
9.28 Time bands ........................................................................................................ 95
9.29 VDI 6022-1 management ......................................................................... 99
9.30 k.water integration ..................................................................................... 103
9.31 Impostazioni di rete .................................................................................. 105
10. P arameter table .....................................................106
10.1 Parameter table ............................................................................................ 106
11. S upervisor variable table ....................................136
12. A larms and signals ................................................178
12.1 Types of alarms ............................................................................................. 178
12.2 Alarm parameters ....................................................................................... 179
12.3 Contatti generici di ingresso e uscita di allarme ..................... 179
12.4 Alarm table ..................................................................................................... 180
13. S oftware update ...................................................185
13.1 Update via USB cable ............................................................................... 185
13.2 Update via USB pen drive ...................................................................... 186
13.3 Update with fi le transfer via FTP ........................................................ 187
Index