4
Service instructions
Safety and liability
Heat pump application limits................................................................................
6
Occupational safety..............................................................................................
7
Installation instructions
Preparing for installation
Use....................................................................................................................... 10
Product information.............................................................................................. 10
General information on the electrical connection................................................. 11
Delivery and installation....................................................................................... 11
Installation............................................................................................................ 14
Primary circuit: brine/water, 1-stage..................................................................... 24
Primary circuit: brine/water, 2-stage..................................................................... 25
Primary circuit: brine/water, cascade................................................................... 27
Primary circuit: water/water, 1-stage/2-stage....................................................... 29
Primary circuit: water/water, cascade................................................................... 31
Heat pump cascade: 1-stage/2-stage.................................................................. 33
DHW heating........................................................................................................ 36
Installation sequence
Installing the heat pump....................................................................................... 38
Hydraulically connecting the primary/secondary circuits...................................... 42
Routing cables to the heat pump terminal area.................................................... 48
Overview of electrical connections....................................................................... 50
Power supply........................................................................................................ 67
Installing the programming unit............................................................................ 72
Closing the heat pump......................................................................................... 73
Service instructions
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance.......................................... 75
Further details regarding the individual steps....................................................... 76
Troubleshooting
Repairs................................................................................................................. 89
Parts list, type BW 190
Ordering parts...................................................................................................... 95
Refrigerant circuit, type BW 190........................................................................... 95
Casing, type BW 190............................................................................................ 95
Electrical equipment, type BW 190...................................................................... 96
Index
Index
5772 458 GB
