
Table of Contents CAIRfricostar®
2FläktGroup DC-2009-0019-GB 2018-01/R9 • Specifications are subject to alteration without notice
1 Unit Type Code .................................................................................. 4
2 Safety and User Instructions ........................................................... 5
2.1 Availability of the operation manual ................................................................ 5
2.2 Scope of the operation manual ....................................................................... 5
2.3 Symbols used .................................................................................................. 5
2.4 Identification of safety instructions .................................................................. 8
2.5 Safety-conscious work procedures ................................................................. 9
2.6 Proper use ....................................................................................................... 9
2.7 Safety devices ............................................................................................... 10
2.8 Modifications and changes ............................................................................ 10
2.9 Spare parts .................................................................................................... 10
2.10 Disposal ........................................................................................................ 10
2.11 Selection and qualification of personnel ........................................................ 10
3 Technical Description ..................................................................... 11
3.1 Performance scope ....................................................................................... 11
3.2 Modular unit configuration and operation of FläktGroup CAIRfricostar ......... 11
3.3 Unit configuration and operation of CAIRfricostar Micro compact units ........ 15
3.4 Technical specifications ................................................................................ 17
4 Shipping and Storage ..................................................................... 20
4.1 Delivery ......................................................................................................... 20
4.2 Transport ....................................................................................................... 20
4.3 Storage .......................................................................................................... 23
5 Mounting .......................................................................................... 24
5.1 Unit placement .............................................................................................. 24
5.2 Assembling the unit ....................................................................................... 27
6 Installation ....................................................................................... 38
6.1 Requirements ................................................................................................ 38
6.2 Installing air-conveying components ............................................................. 38
6.3 Installing air-handling components with coil connections .............................. 38
6.4 Installing accessories .................................................................................... 44
7 Electrical Connection ..................................................................... 45
7.1 Requirements ................................................................................................ 45
7.2 Connecting unit ............................................................................................. 46
8 Commissioning ............................................................................... 52
8.1 Requirements ................................................................................................ 52
8.2 General considerations ................................................................................. 53
8.3 Fan assembly and drives .............................................................................. 53
8.4 Direct-driven fan assembly ............................................................................ 54
8.5 Filter assembly .............................................................................................. 54
8.6 Heater assembly ........................................................................................... 55
8.7 Cooler assembly ........................................................................................... 56
8.8 Evaporator / condenser ................................................................................. 56
8.9 Heat pipe ....................................................................................................... 57
8.10 Liquid-coupled energy recovery coil .............................................................. 57
8.11 Plate-type heat exchanger ............................................................................ 57
8.12 Damper blades and shut-off dampers ........................................................... 57