REMKO WKF 120 Duo - Manual (Page 3)

Table of contents
1 Safety and usage instructions............................................................................................................. 5
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 Technical data....................................................................................................................................... 8
2.1 Unit data ......................................................................................................................................... 8
2.2 Unit dimensions, outdoor units...................................................................................................... 10
2.3 Unit dimensions, indoor units........................................................................................................ 10
2.4 Pump-characteristic curves, indoor module charging pump......................................................... 11
2.5 Heat pump usable limits in monovalent mode.............................................................................. 12
2.6 Overall sound power level - Outdoor unit...................................................................................... 13
2.7 Characteristic curves..................................................................................................................... 15
3 Design and function............................................................................................................................ 21
3.1 The heat pump in general............................................................................................................. 21
4 Installation........................................................................................................................................... 27
4.1 System layout................................................................................................................................ 27
4.2 General mountig instructions........................................................................................................ 29
4.3 Setup, installation of the indoor unit.............................................................................................. 30
4.4 Setup, installation of the outdoor unit............................................................................................ 31
5 Hydraulic connection.......................................................................................................................... 35
6 Cooling of the heat pump................................................................................................................... 38
7 Corrosion protection.......................................................................................................................... 39
8 Connecting the refrigeration system................................................................................................ 40
8.1 Connection of refrigerant lines...................................................................................................... 40
8.2 Commissioning the refrigeration system....................................................................................... 41
9 Electrical wiring................................................................................................................................... 44
9.1 Important Information.................................................................................................................... 44
10 Commissioning................................................................................................................................... 44
10.1 Control panel and information on commissioning....................................................................... 44
11 Care and maintenance........................................................................................................................ 46
12 Temporary shut-down........................................................................................................................ 46
13 Troubleshooting and customer service............................................................................................ 47
13.1 Troubleshooting and customer service....................................................................................... 47
13.2 Emergency-heat operation.......................................................................................................... 53
14 Exploded view and replacement parts.............................................................................................. 54
14.1 Exploded view of the WKF 120 Duo outdoor unit....................................................................... 54
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