4
Installation instructions
Preparing for installation
Application............................................................................................................
6
Requirements for on-site connections..................................................................
7
Overview of possible system schemes................................................................
9
Designations in the system examples.................................................................. 11
System example, ID: 4605418_1102_01............................................................. 11
Installation sequence
Installing the external unit..................................................................................... 18
Installing the internal unit...................................................................................... 23
Connecting refrigerant lines................................................................................. 32
Connecting the secondary circuit......................................................................... 41
Connecting a cooling circuit if required................................................................ 44
Connections on the DHW side............................................................................. 44
Electrical connection............................................................................................ 45
Power supply........................................................................................................ 59
Closing the heat pump......................................................................................... 65
Service instructions
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance.......................................... 66
Further details regarding the individual steps....................................................... 68
Troubleshooting
Repairs................................................................................................................. 89
Internal unit parts lists
Internal unit parts lists.......................................................................................... 100
Overview of internal unit assemblies.................................................................... 101
Internal unit parts not shown................................................................................ 102
Internal unit casing............................................................................................... 102
Internal unit electrical equipment.......................................................................... 104
Internal unit hydraulics......................................................................................... 106
Internal unit cylinder............................................................................................. 108
External unit parts lists
External unit parts lists......................................................................................... 110
External unit type AWT-AC 221.A04.................................................................... 110
External unit type AWT-AC 221.A07.................................................................... 112
Overview of external unit assemblies, type AWT-AC 221.A10, A13.................... 114
External unit casing, type AWT-AC 221.A10, A13............................................... 115
Index
Index
5600 950 GB
