INSTALLATION OPERATION AND MAINTENANCE INSTRUCTION KBT002

12.3.2 Wiring diagrams for EC fans
KBT EC fans 1–phase 230 V
KBT 160 EC
RD YE BUBUBK YE/GN WH1 WH2
L N NC COM GND
0-10V
PWM
+10V
DCBA E F G H
A. Mains supply, phase
B. Neutral
C. Earth
D. Alarm relay, brake for failure
E. Alarm relay, COMMON
F. Voltage output +10V max. 1.1 mA
G. Control input (impedans kΩ)
H. Ground
KBT EC fans
KBT 180 EC
KBT 200 EC
RS A
KL3 KL2 KL1
RS B RS A RS B GND
0-10V
PWM
4-20mA +20V +10V
0-10V
PWM
GND OUT L NNO COM NC
A B C D E F G H I J K L M N O P Q R
A. RS485 interface for ebmBUS; RS A
B. RS485 interface for ebmBUS; RS B
C. RS485 interface for ebmBUS; RS A
D. RS485 interface for ebmBUS; RS B
E. Ground
F. Control input
G. Control/Actual value input
H. Supply for external sensor, 20 VDC ((±20%) max. 50 mA)
I. Supply for external potentiometer, 10 VDC ((+10%) max. 10 mA)
J. Control input
K. Ground
L. Master output 0–10 V max. 3 mA
M. Error signal relay, closed in case of error
N. Error signal relay, common (2 A, 250VAC, AC1)
O. Error signal relay, opened in case of error
P. Mains supply, phase
Q. Neutral
R. Earth
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