Sabiana WM-UH-ECM, Operating Instructions Manual

Page: 26 / 92

26
English
LED SIGNALLING TABLE
Ko RX485
T1
T3
CF
CA
OK
OK
OK
OK
OK Ko
Ko Ko
Ko
OK
OK open
open open
open
ON Blink OFF OFF ON Blink 4+2 OFF ON Blink 4+2
LED3 LED2 LED1
NB = 4+2 = 4 sec 2 flashing
OK = working
Ko = not working
open = open contact
» Signal serial connection 0-10 V
The WM-UH-ECM control panel is designed to
manage up to 12 units without any problem in
the transmission of the 0-10 V signal.
A 2 kOhm resistor (5 mA at 10 V) must be
mounted on the termination of the signal wir-
ing of the last unit heater
SERIAL CONNECTION
M Fan
+
N N N L EV EN
D
0
D0 F2 F2 F1 F1
0
10V
T3 T1
WM-UH-ECM
10V
GND
GN
D
A
B
N PE LL N PE
POWER
INPUT
0-10 V
UNIT 1
POWER
INPUT
0-10 V
UNIT 2
TERMINATOR
HEATER
2 KΩ
(5 mA at 10 V)
Max 12
UNIT
0
10V
10V
GND
GND A
B
N PE LL N PE