______________________________________________________________________________________________________________________________________
2 EN1R-0003-0003R5-IT
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IMPORTANT
1. Installer must be a trained experienced service
man.
2. Disconnect power supply to prevent electrical
shock and/or equipment damage.
3. When the MF4000 is used in stand alone
applications, use a proper strain-relief.
4. The appliance manufacturer’s instructions should
be followed when provided.
5. Carry out a thorough checkout when installation
is completed.
Fig. 1. Installation drawing MF4000 Series
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There are no mounting restrictions in the angle of the motor.
The motor can be assembled by 4 screws. For mounting hole
dimensions and positions, see installation drawing.
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WARNING
•
Adjustment should be made by qualified personnel only.
•
If the appliance manufacturer supplies checkout and/or
service and maintenance instructions, carefully follow them.
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MF4000
cam
I
(red)
Closed position for
air damper motor
II
(black)
Open position for air
damper motor
III
(blue)
Auxiliary switch
IV
(green)
Auxiliary switch
V
(yellow)
Auxiliary switch
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Disconnect power supply and remove cover. Use adjustment
tool inside the cover to adjust the cams. Place the tool in one of
the cam grooves to turn the cam in steps of approximately 2
degrees.
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All motors are factory set with zero position corresponding with
45 degrees angle of flat surface on actuator shaft (see Figure
1.).
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To carry out the adjustment the auto-manual switch has to be
set to manual.
Three auxiliary switches are available Two push buttons are
used for auxiliary switch regulation, one to open the damper, the
other to close it.
.
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MF4000
cam
I
(red)
Factory set at 0 degrees, to start the air damper
in closed position
II/III/IV
& V
Rotate the cam clockwise to reduce the position
of the damper, anticlockwise to increase the
position of the damper
