Table of contents
1 Safety and usage instructions............................................................................................................. 4
1.1 General safety notes....................................................................................................................... 4
1.2 Identification of notes...................................................................................................................... 4
1.3 Personnel qualifications.................................................................................................................. 4
1.4 Dangers of failure to observe the safety notes................................................................................ 4
1.5 Safety-conscious working............................................................................................................... 4
1.6 Safety notes for the operator........................................................................................................... 5
1.7 Safety notes for installation, maintenance and inspection.............................................................. 5
1.8 Unauthorised modification and changes......................................................................................... 5
1.9 Intended use................................................................................................................................... 5
1.10 Warranty........................................................................................................................................ 5
1.11 Transport and packaging............................................................................................................... 6
1.12 Environmental protection and recycling........................................................................................ 6
2 Technical data........................................................................................................................................ 7
2.1 Unit data.......................................................................................................................................... 7
2.2 Product data.................................................................................................................................... 9
2.3 Unit dimensions and designations of the pipe connections.......................................................... 10
3 Design and function............................................................................................................................ 13
3.1 Domestic hot water heat pump, general....................................................................................... 13
3.2 Product description....................................................................................................................... 13
3.3 Corrosion protection (only RBW 301 PV-S).................................................................................. 14
4 Assembly............................................................................................................................................. 17
4.1 System layout................................................................................................................................ 17
4.2 General installation notes.............................................................................................................. 17
4.3 Set-up............................................................................................................................................ 18
5 Installation........................................................................................................................................... 21
6
Hydraulic connection.......................................................................................................................... 23
7 Electrical wiring................................................................................................................................... 26
7.1 General notes................................................................................................................................ 26
7.2 Connection of the power PCB....................................................................................................... 26
7.3 Circuit diagrams............................................................................................................................ 27
8 Commissioning................................................................................................................................... 28
9 Control logic........................................................................................................................................ 28
10 Operation............................................................................................................................................. 29
11 Care and maintenance........................................................................................................................ 52
12 Temporary shutdown.......................................................................................................................... 52
13 Troubleshooting and customer service............................................................................................ 53
13.1 Troubleshooting and customer service....................................................................................... 53
13.2 Resistances of the temperature sensors..................................................................................... 55
14 General view of unit and spare parts................................................................................................ 58
14.1 Exploded view of the unit............................................................................................................ 58
14.2 Spare parts list............................................................................................................................ 59
15 Index..................................................................................................................................................... 61
3
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