Viessmann KWT BW 301.B090, Installation And Service Instructions Manual

Page: 4 / 100

4
Power supply ......................................................................................... 48
■
Control circuit power supply (230 V~) and power circuit (400 V~) ..... 49
■
Electrical connection requirements ..................................................... 49
■
Power supply with power-OFF ........................................................... 50
■
Electronic soft starter, type SMC ........................................................ 51
Installing the programming unit .............................................................. 52
Closing the heat pump ........................................................................... 53
4. Commissioning, inspec-
tion, maintenance
Steps - commissioning, inspection and maintenance ............................ 54
5. Troubleshooting Repairs .................................................................................................. 67
■
Remove front panel ............................................................................ 67
■
Overview of electrical components ..................................................... 67
■
Overview of internal components, type BW 301.B090 to
BW 302.B250 ..................................................................................... 68
■
Overview of internal components, type WW 301.B125 to
WW 302.B300 .................................................................................... 69
■
Draining the heat pump on the primary/secondary side ..................... 70
■
Checking sensors ............................................................................... 70
■
Checking MCB/fuses .......................................................................... 71
■
Appliance too noisy ............................................................................ 71
■
Dismantling / Disposal ........................................................................ 71
6. Parts lists .................................................................................................................. 72
7. Commissioning/service
reports
Hydraulic parameters report .................................................................. 80
Control parameters report ...................................................................... 80
8. Specification Specification, type BW 301.B090 to BW 302.B250 ............................... 88
Specification, type WW 301.B125 to WW 302.B300 ............................. 91
9. Appendix Heat pump commissioning request ....................................................... 93
10. Certificates Declaration of conformity ....................................................................... 94
11. Keyword index .................................................................................................................. 96
Index
Index
(cont.)
5549 984 GB