11 Maintenance
CAUTION! Device installation and
maintaining must be performed by
specialist technical staff only.
Maintenance must be carried out by
personnel trained to operate on electrical
circuits.
11.1 Fuses replacement
Maintenance must be performed with the
power supply disconnected and the circuit-
breaker open.
If necessary, replace the fuse illustrated in figure (7.3
Connector board description, page 13).
FUSES REPLACEMENT
Voltage
Fuse F1
24Vac, 50/60Hz
F 6.3A H 250V 5x20
120Vac, 50/60Hz
F 6.3A H 250V 5x20
230Vac, 50/60Hz
F 6.3A H 250V 5x20
Tab. 6
MNVCUPKHXL_2222_EN
12 Cleaning
12.1 Cleaning the window and
plastic parts
We recommend using a soft cloth with neutral soap
diluted with water or specific products to clean the
glasses lenses.
Fuse F2
T 8A H 250V 5x20
T 4A H 250V 5x20
T 2A H 250V 5x20
Avoid ethyl alcohol, solvents, hydrogenated
hydrocarbide, strong acid and alkali. Such
products may irreparably damage the
surface.
33