4
Installation instructions
Preparing for installation
Application............................................................................................................
6
Requirements regarding on-site connections.......................................................
7
Overview of possible system schemes................................................................
9
Designations in the system examples.................................................................. 11
System example, ID: 4605415_1202_02............................................................. 11
Installation sequence
Installing the external unit..................................................................................... 18
Installing the internal unit...................................................................................... 23
Connecting refrigerant lines................................................................................. 33
Connecting the secondary circuit......................................................................... 41
Connections on the DHW side............................................................................. 44
Connecting the solar circuit.................................................................................. 45
Connecting a cooling circuit if required................................................................ 45
Electrical connection............................................................................................ 45
Power supply........................................................................................................ 61
Closing the heat pump......................................................................................... 68
Service instructions
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance.......................................... 69
Further details regarding the individual steps....................................................... 71
Troubleshooting
Repairs................................................................................................................. 94
Parts lists, internal unit
Parts lists, internal unit......................................................................................... 107
Overview of assemblies, internal unit................................................................... 108
Parts not shown, internal unit............................................................................... 109
Internal unit casing............................................................................................... 109
Internal unit electrical equipment.......................................................................... 111
Internal unit hydraulics......................................................................................... 113
Internal unit cylinder............................................................................................. 115
Parts lists, external unit
Parts lists, external unit........................................................................................ 117
External unit type AWT-AC 241.A04.................................................................... 117
External unit type AWT-AC 241.A07.................................................................... 119
Overview of external unit assemblies, type AWT-AC 241.A10, A13.................... 121
Index
Index
5623 661 GB
