Honeywell Farenhyt ECS Series - Installing the ECS-RVM; 1: ECS-RVM Board Layout

ECS Series Manual — P/N 151455:H 2/15/2022 57
Installing the ECS-RVM ECS Device Installation
2. Secure the ECS-CE4 to the backbox using the four supplied screws as shown in Figure 4.67.
3. Connect the audio expander cable harness (P/N 130426) from the connector labeled “Audio Expander” on the ECS-50W or ECS-125W
to the connector on the ECS-CE4 as shown in Figure 4.68.
4. Wire audio circuits as shown in “Speaker Wiring” on page 26.
4.10 Installing the ECS-RVM
The ECS-RVM Remote Voice Module is contained within the ECS-RCU, ECS-LOC, or ECS-LOC2100 Local Operator Console. It provides
a supervised microphone for live communication and an interface for the Emergency Communication System.
4.10.1 ECS-RVM Board Layout
The following is description of the ECS-RVM remote voice module components.
CIRCUIT 5 CIRCUIT 6
CIRCUIT 8 CIRCUIT 7
+ OUT –
+ OUT –
+ OUT – + OUT –
+ IN –
+ IN –
+ IN – + IN –
ON
12345
B
A
T
T
E
R
Y
+
–
CIR CUIT 4 CIR CUIT 3 C IRCU IT 2 CIR CUIT 1
IN IN
IN
IN++
+
+––
–
–OUT OUT
OUT
OUT++
+
+––
–
–
AUDIO EXPANDER
B
G
W
ECS-CE4
secure with screws
secure with screws
Figure 4.67 Mounting the ECS-CE4
AUD IO EXPANDER
CI
+ –OUT
ECS-CE4
Connector
ECS-50/125W
“Audio Expander”
Figure 4.68 Audio Expander Wire Harness Connections
NOTE: The ECS-VCM and ECS-RVM circuit boards look similar, but they are not interchangeable. The ECS-VCM is mounted in the IFP-
100ECS, IFP-1000ECS, and IFP-2000ECS while the ECS-RVM is mounted in the ECS-LOC cabinet.