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9
External motor control
The external motor control is connected in terminal
block X30 between terminal 2 (0 VDC) and 16 (Digital
Output 3) and a loop is installed between terminal 1
(+24 VDC) and 12. Additional motors could be added
terminal 15 and terminal 14.
On the operator´s panel should:
Digital Output 3 be set to
Start motor 1
.
In addition, a delay can be configured, see section
"Setup of blower prior to operation via the operator´s
panel". (The dotted lines show only coherence and not
wiring connections).
The external motor´s rated current is set on the thermal
relay's potentiometer. If the external motor is overload-
ed, the thermal relay will switch off and must be recon
-
nected after the fault has been investigated. Kongskilde
recommends that the blue RESET button be set to
position M (manual). If the button is placed in position A
(automatic), the thermal relay will reconnect automati-
cally and it is therefore not possible to monitor when
the switch-off takes place.
The TEST button is operated with a screwdriver at
regular intervals, e.g. every six months. After switching
off, reconnect with the blue RESET button. If the relay
does not trip, it is defective and must be replaced.
The switch on the cover of the external motor control is
a safety switch that must always be switched off before
repair and maintenance. The safety switch must be
locked so that the external motor, on for example a cut-
ter, cannot be started by mistake.
+24 VDC
Digital out 3
0 VDC
L1 L2 L3
M
~
3
U1 V1 W1
~
Ready
Start motor 1
21NC
C 96
Start motor 2
Start motor 3