ENG
Operating Manual | Roof-mounted Cooling Unit | Multi Controller (MC) ā 230 V | 086100023d 3/80
4 Assembly and initial commissioning ............................................................................................................................. 29
4.1 Safety information ........................................................................................................................................................ 29
4.2 Transport ..................................................................................................................................................................... 30
4.2.1 Transporting the cooling unit .................................................................................................................................. 30
4.2.2 Crane transport ...................................................................................................................................................... 31
4.3 Storage ........................................................................................................................................................................ 32
4.4 Unpacking .................................................................................................................................................................... 32
4.5 Assembly ..................................................................................................................................................................... 33
4.5.1 General .................................................................................................................................................................. 33
4.5.2 Making the assembly cut-out for the DTT-cooling unit ........................................................................................... 33
4.5.3 Sticking on the surface seal ................................................................................................................................... 35
4.5.4 Mounting the cooling unit on the switch cabinet ..................................................................................................... 36
4.5.5 Assembly with quick-change frame (option) ........................................................................................................... 38
4.6 Electrical connection .................................................................................................................................................... 42
4.6.1 Notes for connecting cables to the unit .................................................................................................................. 42
4.6.2 Electrical circuit diagram ā Multi-Controller (MC) ................................................................................................... 43
4.6.3 Multimaster Control ................................................................................................................................................ 44
4.6.4 Door contact switch ................................................................................................................................................ 45
4.6.5 Collective fault signal .............................................................................................................................................. 46
4.6.6 External temperature sensor TS2 ........................................................................................................................... 47
4.6.7 Mains connection ................................................................................................................................................... 48
4.6.8 Adapting the unit to the mains voltage ................................................................................................................... 50
5 Operation.......................................................................................................................................................................... 51
5.1 General functions ......................................................................................................................................................... 51
5.2 Multi-Controller (MC) operation .................................................................................................................................... 52
5.2.1 Carrying out menu settings .................................................................................................................................... 52
5.2.2 Menu overview ....................................................................................................................................................... 53
5.3 Operation of the cooling unit ........................................................................................................................................ 54
5.3.1 Operating conditions .............................................................................................................................................. 54
5.4 Service interface .......................................................................................................................................................... 55
5.4.1 Connecting/removing the USB adapter .................................................................................................................. 56
5.5 Test mode .................................................................................................................................................................... 57
6 Service and maintenance ............................................................................................................................................... 58
6.1 Safety information ........................................................................................................................................................ 58
6.2 General ........................................................................................................................................................................ 59
6.3 Maintenance schedule ................................................................................................................................................. 60
6.4 Maintenance work ........................................................................................................................................................ 61
6.4.1 Cleaning ................................................................................................................................................................. 61