5
Indoor unit: Opening the programming unit ........................................... 79
Indoor unit: Placing the control unit panel in its service position ........... 80
Overview of internal components: Indoor unit ....................................... 81
Overview of internal components: Outdoor unit ..................................... 82
■
Outdoor units, types 221.A04 to A08 .................................................. 83
■
Outdoor units, types 221.A10 to A16 .................................................. 84
Draining the heat pump on the secondary side ..................................... 85
Checking the temperature sensors ........................................................ 85
■
Connection to the indoor unit .............................................................. 85
■
Connection to the outdoor unit ........................................................... 86
■
Indoor unit: Viessmann NTC 10 kΩ (blue marking) ............................ 87
■
Indoor unit: Viessmann NTC 20 kΩ (orange marking) ........................ 88
■
Indoor unit: Viessmann Pt500A (green marking) ................................ 89
■
Outdoor unit: Viessmann NTC 10 kΩ (no marking) ............................ 90
Checking the fuses ................................................................................ 90
6. Indoor unit parts lists Overview of indoor unit assemblies ....................................................... 93
Indoor unit casing .................................................................................. 94
Indoor unit electrical equipment ............................................................. 96
Hydraulics, indoor unit ........................................................................... 98
Indoor unit DHW cylinder .......................................................................100
Miscellaneous ........................................................................................ 102
7. Outdoor unit parts list
230 V~, types 221.A04 to
A08
Overview of assemblies, outdoor unit 230 V~ ....................................... 105
Outdoor unit casing 230 V~ ................................................................... 106
Outdoor unit refrigerant circuit 230 V~ ...................................................108
Outdoor unit electrical equipment 230 V~ ............................................. 110
8. Outdoor unit parts list
230 V~, types 221.A10
to .A16
Overview of assemblies, outdoor unit 230 V~ ....................................... 113
Outdoor unit casing 230 V~ ................................................................... 114
Outdoor unit refrigerant circuit 230 V~ ...................................................116
Outdoor unit electrical equipment 230 V~ ............................................. 118
9. Outdoor unit parts list
400 V~, types 221.A10
to .A16
Overview of assemblies, outdoor unit 400 V~ ....................................... 121
Outdoor unit casing 400 V~ ................................................................... 122
Outdoor unit refrigerant circuit 400 V~ ...................................................124
Outdoor unit electrical equipment 400 V~ ............................................. 126
10. Commissioning/service
reports
Hydraulic parameter report .................................................................... 128
Control parameter report ....................................................................... 128
11. Specification ................................................................................................................139
12. Appendix Commissioning order .............................................................................147
Final decommissioning and disposal ..................................................... 147
13. Certificates Declaration of conformity ....................................................................... 148
14. Keyword index ................................................................................................................149
Index
Index (cont.)
5831412
To Next Page
Loading...
