Potterton SIRIUS THREE FS 70 Installation Manual page 109

Floor-standing condensing gas boiler
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Fig.129
2
3
7609493 - v11 - 18052020
2. Open the fuse-holder socket with the eyelet.
3. Take out the damaged fuse and replace it with an identical one (4 A).
4. Check the fuse L, proceeding in the same way.
11 Maintenance
109

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