Viessmann Vitodens 050-W Installation And Service Instructions Manual page 52
Wall mounted gas condensing boiler
for natural gas and lpg
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Also See for Vitodens 050-W:
- Installation and service instructions manual (100 pages) ,
- Technical manual (60 pages) ,
- Operating instructions manual (24 pages)
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Troubleshooting
Repairs
(cont.)
3. Check the connections on the DHW
side for scaling; clean or replace the
plate heat exchanger if required.
4. Check the connections on the heat-
ing water side for contamination;
clean or replace the plate heat
exchanger if required.
Checking the fuse
F4
1. Switch off the power supply.
2. Open the control unit enclosure.
3. Check fuse F4.
52
5. Install in reverse order using new
gaskets.
Note
During installation, ensure the fixing
holes are aligned and the gaskets are
positioned correctly. Mount the plate
heat exchanger with the correct ori-
entation.
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