Vents MA reverse Instrucciones De Uso página 3

6. Cover the casing with one more sealing gasket on the
opposite side of the window glass frame.
Use the bolts as guides and set the internal intermediate
casing on the bolts. Avoid the sealing gasket jamming while
doing that. Fix the casing tight. Cover the bolt ends with the
plastic nuts delivered with the fan and tighten the nuts
gradually (fig. 15).
Avoid excessive efforts while tightening the bolts not to
break the glass or damage the plastic nuts!
7. Route 2 wires through a sealed opening in the inner casing.
Route 2 wires through the opening in the main casing.
If the opening is not available cut it out.
Fix the main casing with four screws that are included into
delivery set (fig. 16).
8. Remove the fixing screws of the cable retaining clip and
remove the clip (fig. 17).
9. Connect the cable to plug-in terminal blocks and insert
them into the matching terminals on the fan printed circuit
board in compliance with the wiring diagram (fig. 22).
Re-install the cable retaining clip and fix it with screws.
10. Cover the fan and fix the cover with a screw using a
crosshead screwdriver (fig. 18).
The fan control unit is designed for controlling the fan
operating mode. It consists of the controller and the
transformer (fig. 19).
The fan is powered by AC 230V / 50 Hz single phase
current îr 120V / 60 Hz.
The control unit is designed for wall recessed mounting as
shown in fig. 20. Install it in a place inaccessible to children.
While installing the control unit consider the cable length
supplied with the fan. The total distance from the control unit
installation place to the fan must not exceed the cable length.
Longer cable can be used if required.
The external controller KV is used for controlling the fan
operation mode.
The KV controller is a three-button switch with integrated
printed circuit board for mounting into a standard mounting box.
Plug-in terminal blocks for all the electric connections to the
controller and the fan ensure easy mounting and servicing.
Each mating part of the terminal block has a digital marking
that matches marking on the control board to ensure quick
and correct connection.
The controller KV provides operation in one of four possible
operation modes of the fan (refer also fig. 21):
1. Ventilation mode (air extract / air supply)* at low speed
with 50% maximum air capacity .
2. Ventilation mode (air extract / air supply)* at high speed
with maximum air capacity .
3. Reverse operation at low speed with 50% maximum air
capacity. The fan changes operation mode (air extract /
air supply) every 70 seconds.
4. Reverse operation at high speed with maximum air capacity.
The fan changes operation mode from air extract to air supply
and vice versa every 70 seconds.
* Air flow direction depends on JMP1 jumper position on the
fan control board.
The total wiring diagram for connection of the fan to the
control unit KV is shown in fig. 22.
In ventilation mode the fan operates either for air extraction
with the JMP1 jumper in "Flow out" position or for air supply
with the JMP1 jumper in "Flow in" position.
A five-wire cable provides easy and correct mounting.
The terminal colour coding in fig. 22 matches the colour
coding of the supplied cable wires.
The minimum wire cross section is 0.25 mm2.
3
EN