Viessmann 302.DS230, Installation And Service Instructions For Contractors

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External connections .......................................................................... 58
Power supply ......................................................................................... 60
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Electrical connection requirements ..................................................... 60
6. Commissioning, inspec-
tion, maintenance
Steps - commissioning, inspection and maintenance ............................ 61
7. Troubleshooting Diagnosis ............................................................................................... 67
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Excessive noise .................................................................................. 67
8. Repairs Removing the front panel and top panel ................................................ 68
Overview of electrical components ........................................................ 68
Overview of internal components, Vitocal 300-G Pro SPS .................... 68
Draining the heat pump on the primary/secondary side ........................ 69
Checking the sensors ............................................................................ 69
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Temperature sensors type Pt 1000 ..................................................... 69
Checking fuses ...................................................................................... 70
9. Repairs, hydraulic module
defrost box
Electrical component overview .............................................................. 71
Overview of internal components, hydraulic module defrost box .......... 71
10. Parts lists Ordering parts ........................................................................................ 73
Components, heat pump ....................................................................... 74
Components, heat pump, PCB .............................................................. 76
Components, hydraulic module defrost box .......................................... 78
Components, hydraulic module defrost box, PCB ................................. 80
11. Specification Specification, Vitocal 300-G Pro SPS .................................................... 82
Specification, Vitocal 300-G Pro with AW package ............................... 85
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Operation: Air/water (A2/W35) heat recovery ..................................... 85
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W7/A35 residual heat ......................................................................... 87
Specification, hydraulic module defrost box .......................................... 88
Specification, air/brine heat exchanger .................................................. 89
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Standard version ................................................................................ 89
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Low-noise version ............................................................................... 90
12. Appendix Heat pump commissioning request ....................................................... 91
13. Final decommissioning Dismantling/disposal .............................................................................. 92
14. Certificates Declaration of conformity ....................................................................... 93
15. Keyword index ................................................................................................................ 94
Index
Index
(cont.)
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