Honeywell Farenhyt ECS Series - 2: Wiring the ECS-RVM

ECS Series Manual — P/N 151455:H 2/15/2022 59
Installing the ECS-RVM ECS Device Installation
4.10.2 Wiring the ECS-RVM
1. Refer to Figure 4.71 to properly connect the ECS-RVM to the FACP’s SBUS.
2. Connect the SBUS to the annunciator and ECS-RVM. See Figure 4.72.
3. Set the SBUS address on the annunciator and the ECS-RVM board. See Section 4.11 for more information.
4. Connect the ECS-RVM to the VBUS, ECS-125W, and ECS-VCM as shown in Figure 4.73 or the ECS-NVCM as shown in Figure 4.74.
SBUS
VBUS IN 2
VBUS OUT 2
+
+
+
A
B
SBUS
–+AB
ECS-RVM
FACP
supervised,
power-limited
Class B
Figure 4.71 ECS-RVM SBUS Connections
SBUS
–AB
+
SBUS
VBUS 2 IN
VBUS 2 OUT
+
+
+
A
B
annunciator
ECS-RVM
SBUS
from previous
SBUS device
Figure 4.72 SBUS wiring for ECS-RVM
supervised,
power-limited
Class B