36
Setting output voltage
The controller can variably adjust the strength of the
unit. The output voltage can be set between Vmin and
Vmax. This is done after the complete installation of the
unit and all connections.
2.7.1
Mounting and connecting the controller
Warning:
Make sure that the power supply on which
you are working has been turned off.
Caution:
When installing the unit, use the wiring
diagram supplied.
1. Remove the adjustment button.
2. Remove the hexagonal nut.
3. Remove the shut-off cap.
4. Fasten the surface-mounted box to the wall if you
are not using a standard junction box.
Caution:
If NEMA 3 [IP54] is required and extremely
damp conditions are to be expected, a
condensation water opening must be drilled
on the underside of the surface-mounted box
(max. 0.2” [5 mm]).
5. Install the control cable (field supplied) between
the controller and a unit of your choice. For the
specifications of the cable, see section 2.7.1
Special points regarding the controller.
6. Connect the control cable to the controller. See
the wiring diagram supplied.
Caution:
Do not turn the controller off yet if you still want to
adjust the output voltage after complete
installation of the unit.
7. Using the 2 small screws and rings, screw the switch
to the surface-mounted box or standard junction box.
8. Fit the shut-off cap.
9. Fasten the hexagonal nut.
10. Fit the adjustment button: Press this on firmly and set
to position ‘
0
’.
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c
c
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Summary of Contents for SchwankAir 3500 Series
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