42 ECS Series Manual — P/N 151455:H 2/15/2022
ECS Device Installation Installing the ECS-125W
4.6.7 SBUS Wiring
This section contains information on how to connect ECS-125W amplifiers (up to 8 for IFP-100ECS, IFP-300ECS, or IFP-1000ECS; up to
16 for IFP-2000ECS or IFP-2100ECS) onto the main control SBUS. Refer to Section 4 of the FACP Installation manual for SBUS specifica-
tions. Wire the SBUS as shown in Figure 4.46 using the ECS-VCM. Wire the SBUS as shown in Figure 4.47 using the ECS-NVCM.
See Section 4.11 for information on setting SBUS addresses.
4.6.8 Connecting AC Power
Connect the AC terminals to the power source as shown in Figure 4.48. It may be necessary for a professional electrician to make this con-
nection.
OUT
–+
IN
–+
BA+ –
SBUS
OUT
–+
IN
–+
BA+ –
SBUS
SBUSVBUS IN 2 VBUS OUT 2
+
+
+
AB
Figure 4.46 Connecting ECS-125W Amplifiers to the SBUS using the ECS-VCM
ECS-125W
ECS-125W
ECS-VCM
to next ECS-125W (max 8)
supervised,
power-limited
Class B
SBUS OUT
–+
AB
OUT
–+
IN
–+
BA+ –
SBUS
–+
IN
–+
BA + –
SBUS
AUX
CMD2 CMD1
AUDIO
COMMON
IN
GNDPORT1
-IN+ -OUT+
-IN+ - OUT+
PORT2
ECS-125W
FACP
ECS-NVCM
ECS-125W
Figure 4.47 Connecting ECS-125W Amplifiers to the SBUS using the ECS-NVCM
to next ECS-125W
(max 8 for IFP-100ECS, IFP-
300ECS, or IFP-1000ECS;
max 16 for IFP-2000ECS or
IFP-2100ECS)
supervised,
power-limited
Class B