4
Installation instructions
Primary circuit, type BW + BWS (2-stage) .......................................................... 12
Requirements regarding on-site connections....................................................... 20
Siting conditions................................................................................................... 23
Siting the heat pump............................................................................................ 25
Making the hydraulic connections........................................................................ 27
Electrical connections........................................................................................... 30
Power supply........................................................................................................ 54
Make connections at terminals X3.8/X3.9............................................................ 64
Closing the heat pump......................................................................................... 65
Checking diaphragm grommets........................................................................... 66
Service instructions
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance.......................................... 68
Further details regarding the individual steps....................................................... 69
Overview of assemblies, type BW 351.A18......................................................... 93
Casing, type BW................................................................................................... 94
Electrical equipment, type BW............................................................................. 95
Heat pump module, type BW............................................................................... 98
Base frame, type BW........................................................................................... 101
Miscellaneous, type BW....................................................................................... 103
Assembly overview, type BWS 351.A18.............................................................. 104
Casing, type BWS................................................................................................ 105
Electrical equipment, type BWS........................................................................... 106
Heat pump module, type BWS............................................................................. 109
Base frame, type BWS......................................................................................... 112
Miscellaneous, type BWS..................................................................................... 114
Index
Index
5546 267 GB