18
EN
“UEX-PLUS” +030220621 - rel. 1.4 - 04.08.2009
installer
user
ser
vice
4.5 Dehumidifi cation contact (M5.1 - M5.2)
When the humidifi er is used in the control modes with main probe or
main probe plus limit probe, a contact (NO - normally open - voltage free)
can be used to activate an external dehumidifi cation device.
M.5
M.6
M.5.1
M.5.2
NO
C
Fig. 4.o
Final checks
The following conditions represent correct electrical connection:
the rated voltage of the appliance corresponds to the rated supply
voltage;
the fuses installed are suitable for the line and the power supply
voltage;
a mains disconnect switch has been installed to disconnect power to
the humidifi er when required;
the humidifi er has been correctly earthed;
the power cable is fastened using the tear-proof cable gland;
terminals M2.7 and M2.8 are jumpered or connected to an enable-
operation contact;
if the humidifi er is controlled by an external control device, the earth
of the signal is electrically connected to the controller earth.
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