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Replacement of exhaust motor-fan (see diagram for maintenance operations par. 13A):
1.
Switch off the cabinet and disconnect it from the mains
2.
Proceed as indicated in sub-section "Replacement of HEPA filters", points 2, 3 and 4.
3. Rotate both fastening threaded bars (12) to lift exhaust plenum-motor group (13) and unlock HEPA filter
(14).
4.
Remove the exhaust plenum (13) with the special threaded bars (12)
5.
Remove the HEPA filter (14) and lift the exhaust fan cover (30)
6.
Unscrew fastening screws (18) of exhaust motor-fan (19), disconnect electrical connectors from terminal
board and install the new motor-fan, fastening it with the special screws (18).
7.
Reconnect electrical connectors and position the inspection panel, fastening it with the special screws.
8.
Proceed as shown in the paragraph "Replacement of HEPA filters" 12, 13, 14 and 15 points.
REPLACEMENT OF FLUORESCENT LAMPS
7.E
1.
Open the front control panel (5) unscrewing the fastening screws (6), lift it and lock it with the specially
designed stirrup (7)
2.
Replace the lamps (23)
3.
Close the front control panel.
7.F
REPLACEMENT OF UV GERMICIDE LAMP (optional - by user)
1.
Disconnect the electrical connections
2.
Remove the protection grid "31" of the lamp from the front closure panel "24"
3.
Replace the germicide lamp "32"
4.
Fasten the protection grid and connect the UV electric connections again.
NOTE:
during the installation of the new UV lamp, pay attention not to leave fingerprints on
the lamp.
00055EN Rev.10 – 12/2011
(by user)
28
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