Honeywell Farenhyt ECS Series - 8: Connecting AC Power

ECS Series Manual — P/N 151455:H 2/15/2022 29
Installing the ECS-50W ECS Device Installation
See Section 4.11 for information on setting SBUS addresses.
4.4.8 Connecting AC Power
The AC inputs are rated as 120 VAC, 60 Hz or 240 VAC, 50/60 Hz (transformer P/N 115061 or 29201).
To install the AC transformer into the ECS-50W cabinet follow these steps:
1. Open the cabinet door.
2. To access cabinet interior, open the dead-front panel by removing the upper screw and the mid-door retaining screw.
3. Mount the transformer onto the threaded cabinet transformer mounting studs using the supplied locking hex nuts as shown in
Figure 4.28.
4. Connect AC power to the transformer as shown in Figure 4.29.
ON
12345
OUT
–+
IN
–+ –+AB
SBUS
ON
12345
OUT
–+
IN
–+ –+AB
SBUS
SBUS
–+AB
FACP
To next
ECS-50W
supervised,
power-limited
Class B
Figure 4.27 Connecting ECS-50W Amplifiers to the SBUS
ECS-50W
ECS-50W
ON
12345
B
A
T
T
E
R
Y
+
–
OUT
–+
IN
–+–+AB
SBUS
CIRC UIT 4 C IRCUIT 3 CIRCU IT 2 CIR CUIT 1
IN
IN
IN
IN
+
+
+
+
–
–
–
–
OUT
OUT
OUT
OUT
+
+
+
+
–
–
–
–
AUDIO EXPANDER
threaded
mounting studs
Figure 4.28 Transformer Mounting