4
Service instructions
Installation instructions
Use....................................................................................................................... 12
Product information.............................................................................................. 12
General information on electrical connection....................................................... 13
Delivery and installation....................................................................................... 13
Siting.................................................................................................................... 16
Primary circuit: brine/water, 1-stage..................................................................... 28
Primary circuit: brine/water, 2-stage..................................................................... 29
Primary circuit: brine/water, cascade................................................................... 31
Primary circuit: water/water, 1-stage/2-stage....................................................... 33
Water/water cascade, 1-stage/2-stage................................................................. 34
Electrical installation scheme............................................................................... 35
Heat pump cascade: 1-stage/2-stage.................................................................. 35
DHW heating........................................................................................................ 39
Siting the heat pump............................................................................................ 41
Hydraulically connecting the primary/secondary circuits...................................... 45
Routing cables to the heat pump wiring chamber................................................ 51
Overview of electrical connections....................................................................... 53
Power supply........................................................................................................ 71
Installing the programming unit............................................................................ 76
Closing the heat pump......................................................................................... 77
Service instructions
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance.......................................... 79
Further details regarding the individual steps....................................................... 80
Index
Index
5848 164 GB
Summary of Contents for BW 301.A090
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