4
Installation instructions
General information on the electrical connection.................................................
Overview of possible system schemes................................................................ 13
Designations in the system examples.................................................................. 14
Primary circuit, type BW/BWC (brine/water)........................................................ 15
Primary circuit, type WW/WWC (water/water)...................................................... 17
Primary circuit, type BW + BWS (2-stage, brine/water)....................................... 20
Primary circuit, type WW + BWS (2-stage, water/water)...................................... 25
DHW heating........................................................................................................ 33
Integration of 2-stage version............................................................................... 39
Heat pump cascade integration............................................................................ 41
System example 1, ID: 4605350_1008_01.......................................................... 45
System example 2, ID: 4605351_1008_01.......................................................... 51
System example 3, ID: 4605352_1008_01.......................................................... 57
Siting the heat pump............................................................................................ 67
Hydraulic connections.......................................................................................... 69
Electrical connections........................................................................................... 71
Power supply........................................................................................................ 98
Connecting to terminals X3.8/X3.9....................................................................... 106
Closing the heat pump......................................................................................... 107
Checking diaphragm grommets........................................................................... 108
Service instructions
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance.......................................... 109
Further details regarding the individual steps....................................................... 110
Spare parts lists, type BW/WW............................................................................ 130
Overview of assemblies, type BW/WW................................................................ 131
Parts not shown, type BW/WW ........................................................................... 132
Casing assembly, type BW/WW .......................................................................... 132
Electrical equipment, type BW/WW...................................................................... 134
Index
Index
5609 667 GB