SystemAir K Series

Control Board (CB)
W -
Y +0-10V
Br + 24VDC
NC
C
NO
GND
+24VDC
E
C
B
D
A
N L 1
(tach output)
2 (GND) 3 (PWM) 4 (+10VDC) 2 (+24VDC) 3 (0-10V) 1 (GND) + DC MAX 24V I max 50mA 5 (GND) 6 (0-10V) 7
F
G
H
I
CMN
NC
NO
MODBUS INTERNAL
GND
IN/10V
OUT/PWM
IN/RPM
24V
D
A
GND
24V
D
A
GND
24V
D
A
GND
RU
DEBUG
USB
J
K
ALARM FAN OUT3 OUT2 OUT1
GND
A/D
PT1000
24V
GND
A/D
PT1000
24V
GND
A/D
PT1000
24V
N out
N in
L out
L in
IN3 IN2 IN2
A. Mains supply, 230 V 1~AC (10 A)
B. Analogue sensor (for example, pressure sensor)
C. Analogue sensor (for example, pressure sensor type PT1000)
D. Digital sensor (for example, IR presence detector)
E. Alarm output (maximum 24 V AC/DC, maximum 500 mA Cosφ >0.95)
F. Output to EC fan
G. Output to analogue actuator with 24 V DC supply
H. Output to digital signal (DC, maximum 24 V, 1 maximum 50 mA)
I. Output to analogue actuator (for example, heat regulator)
J. Connection to Modbus
K. Connection to room unit (RU)
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