46
Siemens Building Technologies
Fire Safety & Security Products
10.2008
10
Maintenance and service
The following maintenance guidelines should be observed.
10.1 Routine
maintenance
Cleaning
The only routine maintenance task to be conducted on the VIS3I-328 unit is
cleaning at regular intervals. The regularity of the cleaning task will depend on the
environmental conditions.
z
Strong abrasive detergents should not be used.
z
Wiping over the cover with a soft dry cloth will normally suffice.
10.2 Corrective
maintenance
10.2.1 Policy
A suggested policy to be adopted for the unscheduled maintenance of the VIS3I-
328 is:
z
All unscheduled maintenance tasks relate to the removal and refitting of the Line
Replaceable Units (LRUs) identified in Tab. 36.
z
Items considered repairable will be returned to the supplier for investigation and
possible repair or replacement.
10.2.2 Line replaceable units (LRUs)
The Line Replaceable Units (LRUs) of the VIS3I-328 are the power supply module,
the quad card (if fitted) and the mains supply fuse.
Equipment Description
Part Number
Power Supply Module
VIS3I-PSU
Quad Card
VIS3-QUAD
Mains supply fuse
2 A 250 V AC 5x20 Type (T), HBC
Tab. 36
VIS3I-328 – Line replaceable units