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Box-D
Connection to power mains is as follows:
1. Remove the screw and take off the terminal box cover.
2. Remove 2 screws of the cable clamp and take it off .
3. Install the electric lead-in into the casing of the terminal box and
route the electric cable through it. Connect the wires to the terminal box in
accordance with the wiring diagram, Fig. 4. Fix the cable with the cable clamp
and the electric lead-in.
4. Re-install the terminal box cover and fi x it with the screw.
5. Turn the fan on by turning the automatic switch QF to ON position.
TECHNICAL MAINTENANCE
Disconnect the fan from power mains prior to any operations related
to servicing and repair works. Make sure the rotating parts have come to a
full stop. The fan technical maintenance consists in the periodic cleaning of
the fan surfaces. The fi lter should be replaced as needed but at least once a
month. The impeller requires thorough cleaning once in 6 months.
Cleaning procedure:
1. Cut off power supply to the fan;
2. Disassemble the fan:
- Take off the front panel and the fi lter.
- Remove the screw and take off the grille.
3. Clean the front panel and the grille using the detergent solution. The
fi lter should be cleaned or replaced.
4. Remove 4 screws and take the fan cover off .
5. Clean the impeller blades with a dry soft brush or compressed air. While
cleaning the fan be careful not to displace the impeller counter weights. Clean
the fan casing with a wet cloth.
6. Assemble the fan in the reverse order after cleaning.
QF
WARNING
Cut power supply to the appliance off by turning the automatic electric switch QF to OFF position
prior to any maintenance operations.
Take steps to prevent activation of the automatic switch prior to fi nishing maintenance.
