ABB Uvisor SF910i, User Manual

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18 Maintenance/Cleaning/Inspection
18.1 Maintenance
There is no periodic maintenance of the SF910i and its related mounting accessories.
Only a periodical cleaning is required.
For FOC versions, the fiber optic assembly, instead, can be disassembled for replacement,
cleaning, re-alignment of the focal distances.
All repair/replacement operations must be executed by trained and authorized
personnel only.
Dangerous voltage (up to 50V
AC
) can be present on the relay terminals. Verify and
disconnect any dangerous voltage before proceeding.
Operating temperature of the enclosure is close to 80°C (176°F) when operating in
70°C ambient (158°F).
The unit under maintenance can be covered by ash and carbon particles.
Use protective clothing, gloves, and glasses.
SF910i (Ex certified versions) complies with the safety rules for installation in
explosive atmosphere. Assembling and disassembling procedures shall be made
strictly in accordance with the
SF910i Safety Instruction Manual
(EC-DOC-G041MAN033) .
18.2 Cleaning
Cleaning of the SF910i is limited to a periodic removal of ashes, carbon particles, and
other dusts and oils that might be deposited on the external surface of the enclosure.
Cleaning is needed to avoid excessive buildup of ashes and carbon particles that might
prevent an efficient thermal dissipation to ambient air.
8VZZ005286 B 115
18 Maintenance/Cleaning/Inspection
18.1 Maintenance