Installation, Operation and Maintenance manual
31
WSO Flex
MMA EC fan terminal allocation plan
EC centrifugal module - RadiPac
backward-curved, single-intake
with support bracket
K3G250-PR02-J2
Connection diagram
No.
Conn.
Designation
Color
Function/assignment
1
1, 2
PE
green/yellow
Protective earth
1
3
L1
black
Power supply
1
4
L2
black
Power supply
1
5
L3
black
Power supply
1
6
NC
white 1
Status relay, floating status contact, break for failure,
contact rating 250 VAC / 2 A (AC1) / min. 10 mA; reinforced insulation on supply side and
basic insulation on control interface side
1
7
COM
white 2
Status relay, floating status contact, break for failure,
contact rating 250 VAC / 2 A (AC1) / min. 10 mA; reinforced insulation on supply side and
basic insulation on control interface side
2
8
0-10V
yellow
Analog input (set value), 0-10 V, Ri = 100 kΩ, adjustable curve, SELV
2
10
RSB
brown
RS485 interface for MODBUS, RSB; SELV
2
11
RSA
white
RS485 interface for MODBUS, RSA; SELV
2
12
GND
blue
Reference ground for control interface, SELV
2
13
+10V
red
Fixed voltage output 10 VDC, +10 V ±3%, max. 10 mA, short-circuit-proof power supply for
external devices (e.g. pot), SELV
fixed voltage input 24 VDC for setting parameters via MODBUS without line voltage supply
Item no. 54425-5-9980 · ENU · Change 86347 · Approved 2015-10-19 · Page 4 / 5
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · [email protected] · www.ebmpapst.com
