Pfannenberg DTT 6801 Series User Manual

Operating Manual DTT 6801 Multicontroller (MC) 086100037 © Pfannenberg GmbH Page 3 / 49
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Table of contents
1 Intended use ................................................................................................................................................... 5
1.1 General overview ................................................................................................................................... 5
1.2 Permissible usage conditions ................................................................................................................ 5
1.3 Duty of the operator ............................................................................................................................... 5
2 Unit description .............................................................................................................................................. 6
2.1 Description of use .................................................................................................................................. 6
2.2 Scope of delivery ................................................................................................................................... 6
2.3 Order options ......................................................................................................................................... 6
2.4 Functional description ............................................................................................................................ 7
2.4.1 Air flow functional principle .............................................................................................................................. 7
2.4.2 Optional quick-release frame ........................................................................................................................... 7
2.4.3 Optional flat channel system ........................................................................................................................... 8
2.4.4 Controller ....................................................................................................................................................... 10
2.4.5 Refrigerant circuit functional principle ............................................................................................................ 11
2.4.6 Safety concept ............................................................................................................................................... 11
2.4.7 Condensate management ............................................................................................................................. 12
2.4.8 Energy-saving mode...................................................................................................................................... 13
2.4.9 Multimaster function ...................................................................................................................................... 14
2.5 Type plate ............................................................................................................................................ 15
2.6 Technical data...................................................................................................................................... 16
2.6.1 Refrigeration data .......................................................................................................................................... 16
2.6.2 Electrical data ................................................................................................................................................ 16
2.6.3 Dimensions .................................................................................................................................................... 16
2.6.4 Other unit data ............................................................................................................................................... 16
3 Assembly and initial commissioning ......................................................................................................... 17
3.1 Transport .............................................................................................................................................. 17
3.2 Storage ................................................................................................................................................ 17
3.3 Unpacking ............................................................................................................................................ 18
3.4 Assembly ............................................................................................................................................. 18
3.4.1 General assembly requirements .................................................................................................................... 19
3.4.2 DTT cooling unit assembly (installation) ........................................................................................................ 20
3.4.3 Mounting M8 jack rings .................................................................................................................................. 21
3.4.4 Install flat seal and assemble ........................................................................................................................ 22
3.4.5 Switch cabinet assembly ............................................................................................................................... 23
3.4.6 Assembly with quick-release frame ............................................................................................................... 24
3.5 Electrical connection ............................................................................................................................ 27
3.5.1 Multicontroller (MC) electrical circuit diagram ................................................................................................ 27
3.5.2 Multimaster connection .................................................................................................................................. 27
3.5.3 Door contact switch ....................................................................................................................................... 28
3.5.4 Mains supply connection ............................................................................................................................... 29
3.5.5 Adapting the upstream fuse /transformer options .......................................................................................... 31
3.5.6 Collective fault signal ..................................................................................................................................... 31

Pfannenberg DTT 6801 Series Specifications

General

Brand	Pfannenberg
Model	DTT 6801 Series
Category	Controller
Language	English