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External wiring diagram for units KOMFORT (EC) D5(B)180(-E) S21
GND А В +24V
12 12 12
UU
12
CCU*
X1
12 12
U**U**
L N PE
L N
L N NC NO NOC NOC NOC CA BC GND GND
0-10V +24V
GND
0-10V +24V
+24V
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
12 12
PK1* CO2* P1* SM1* SM2*BOOST*
Brown
Yellow
Green
White
230 V/50 (60) Hz
— ELECTRIC SHOCK HAZARD!
Designation Name
Contact
type
Wire** Note
SM1* Supply air damper actuator NO 2 x 0.75 mm
2
3 A, 30 V DC/~250 AC
SM2 * Exhaust air damper actuator NO 2 x 0.75 mm
2
3 A, 30 V DC/~250 AC
PK1* Contact from fire alarm control panel NC 2 x 0.75 mm
2
CCU* Cooler control NO 2 x 0.75 mm
2
3 A, 30 V DC/~250 AC
P1* External control panel 4 x 0.25 mm
2
Boost* Contacts ON/OFF Boost NO 2 x 0.75 mm

CO2* External CO
2
sensor 3 x 0.75 mm

* Not included in the delivery set.
** The U supply voltage of the SM1, SM2 external dampers is selected depending on the type of dampers.
*** Maximum connecting cable length is 20 m!
Output parameters: terminals 17-22 — 3 A, 30 V DC / ~ 250 VAC («dry contact»).
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KOMFOrt (EC) d5(B)180(-E)
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