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EXTERNAL CONTROL UNITS WIRING DIAGRAM OF THE VUTR 280 V(Е) EC A21 UNITS
1
2
1
2
19 20 21 22
L N
NO C
N
C
C
NO
NO
C
C
A B
0-10V
+24V
+24V
PE
L
NC
NC
GND
GND
L N 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
GND
GND 0-10V
A
B
+24V
+24V
1
2
PK1*
KH1.1*
KH1.2*
1
2
1
2
1
2
1
2
Boost*
CO2*
P1*
SM1*
SM2*
L1
1
2
C
C
U
*
X1
1
2
1
2
**U
**U
PE
Po
wer input
230
V/50 (60) H
z
Brown
Yello
w
Y./G.
Blue
Br
own
Gr
een
Gr
ey
Black
W
hit
e
–
Electric shock hazard!
Designation
Name
Contact type
Cable type
Notice
SМ1*
Supply air damper actuator
NO
2 x 0.75 mm
2
3 A, 30DC/~250 AC
SМ2*
Exhaust air damper actuator
NO
3 A, 30DC/~250 AC
РК1*
Contact from fire alarm panel
NC
CCU*
Cooler control
NO
3 A, 30DC/~250 AC
P1*
External control panel
4 x 0.25 mm
2
Boost*
Contacts ON/OFF Boost
NO
2 x 0.25 mm
2
CO2*
Contacts ON/OFF CO
2
3 x 0.75 mm
2
КН1*
Kitchen hood
5 x 0.75 mm
2
* Is not included in the delivery set.
** The supply voltage U of external dampers SM1, SM2 is selected depending on the type of dampers.
*** Output parameters: terminals 15-20 - 3A, 30VDC / ~ 250VAC (“dry contact”).
The maximum cable length from external devices to the terminal block should not exceed 100 meters. The recommended cable cross-
section is shown in the table.
Содержание VUTR 280 V EC
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