Honeywell Farenhyt ECS Series - 9: Backup Battery for ECS-125 W; 10: Calculating Current Draw and Standby Battery

ECS Series Manual — P/N 151455:H 2/15/2022 43
Installing the ECS-125W ECS Device Installation
The AC terminals are rated as 120 VAC, 60Hz or 240VAC, 50Hz.
4.6.9 Backup Battery for ECS-125W
The following steps explain how to connect the batteries (refer to Figure 4.49):
1. Connect the black wire of the battery harness to the (-) side of the battery #2.
2. Connect the jumper wire provided form the positive (+) side of battery #2 to the negative side of battery #1.
3. Connect the red wire from the battery harness to the positive (+) side of battery #1.
4.6.10 Calculating Current Draw and Standby Battery
This section helps you determine the current draw and standby battery needs for your installation (18 Ampere Hours maximum will fit in
cabinet). These capacities have a built-in 20% derating factor. Complete the remaining instructions in Table 4.4.
B
G
W
Figure 4.48 AC Connection
w
h
i
t
e
g
r
e
e
n
b
l
a
c
k
B
A
T
T
E
R
Y
CIRCUIT 4 CIRCUIT 3
CIRCUIT
2
IN
IN
IN
+
+
+
–
–
–
OUT
OUT
OUT
+
+
+
–
–
–
AUDIO EXPANDER
+
–
CIRCUIT
1
IN+– OUT+–
_
_
+
+
Figure 4.49 Battery Connection to ECS-125W