
Table of contents
1.1 General safety notes....................................................................................................................... 5
1.2 Identification of notes...................................................................................................................... 5
1.3 Personnel qualifications.................................................................................................................. 5
1.4 Dangers of failure to observe the safety notes................................................................................ 5
1.5 Safety-conscious working............................................................................................................... 5
1.6 Safety notes for the operator........................................................................................................... 6
1.7 Safety notes for installation, maintenance and inspection.............................................................. 6
1.8 Unauthorised modification and changes......................................................................................... 6
1.9 Intended use................................................................................................................................... 6
1.10 Warranty........................................................................................................................................ 6
1.11 Transport and packaging.............................................................................................................. 7
1.12 Environmental protection and recycling........................................................................................ 7
2.1 Units data WKF/WKF-compact 120/180......................................................................................... 8
2.2 Unit dimensions outdoor module................................................................................................... 10
2.3 Unit dimensions indoor modules................................................................................................... 10
2.4 Heat pump service limits in monovalent mode ............................................................................. 13
2.5 Pump-characteristic curves, indoor module charging pump......................................................... 14
2.6 Overall sound pressure levels for outdoor module ....................................................................... 15
2.7 Characteristic curves..................................................................................................................... 17
3.1 The heat pump in general............................................................................................................. 23
3.2 WKF series.................................................................................................................................... 29
3.3 WKF-compact series..................................................................................................................... 29
4.1 System layout................................................................................................................................ 30
4.2 General installation instructions.................................................................................................... 32
4.3 Installation, mounting indoor module............................................................................................ 33
4.4 Installation, mounting outdoor module.......................................................................................... 34
Connection of refrigerant lines
8.1 Connection of refrigerant lines...................................................................................................... 44
8.2 Commissioning the refrigeration system....................................................................................... 45
9.1 General notes................................................................................................................................ 48
9.2 Electrical connection - indoor module........................................................................................... 49
9.3 Electrical connection - outdoor module ........................................................................................ 49
9.4 Electrical configuration - I/0 module.............................................................................................. 52
9.5 Terminal assignment / legend....................................................................................................... 53
9.6 Circuit diagrams............................................................................................................................ 55
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