Honeywell Farenhyt ECS Series - Page 51

ECS Series Manual — P/N 151455:H 2/15/2022 51
Installing the ECS-DUAL50W ECS Device Installation
AUX
CMD2 CMD1
AUDIO
COMMON
IN
GND
VBUS 1 IN
VBUS 1 OUT
+
+
VBUS 2 IN
VBUS 2 OUT
+
+
V
o
u
t
1
-
V
o
u
t
1
+
V
i
n
1
-
V
i
n
1
+
V
o
u
t
2
-
V
o
u
t
2
+
V
i
n
2
-
V
i
n
2
+
Vout1-
Vout1+ Vin1- Vin1+
Vout2-
Vout2+ Vin2- Vin2+
ECS-DUAL50W
ECS-VCM
supervised,
power-limited
Class B
to next
ECS-DUAL50W
UL-listed 15kΩ
EOL at last device
on the VBUS
ECS-DUAL50W
Figure 4.58 VBUS2 Wiring for Dual Channel for ECS-VCM
-IN+ -OUT+
-IN+ -OU
T
+
V
B
U
S
1
V
B
U
S
2
Vout1-
Vout1+ Vin1- Vin1+
Vout2-
Vout2+ Vin2- Vin2+
Vout1-
Vout1+ Vin1- Vin1+
Vout2-
Vout2+ Vin2- Vin2+
ECS-DUAL50W
ECS-NVCM
ECS-DUAL50W
supervised,
power-limited
Class B
to next
ECS-DUAL50W
UL-listed 15kΩ
EOL at last device
on the VBUS
Figure 4.59 VBUS Wiring for Single Channel for ECS-NVCM