Standby Battery Calculation - Bosch ICP-EZM2 Easy Series System Reference Manual

74 en | Device Specifications and Overview
10.1.1

Standby Battery Calculation

Use the following formula to calculate standby battery capacity for 24 hr of standby power:
(Total B _____ x 24 hr) + (Total C _____ x 0.067 hr) + 10% reserve = Total battery Ah required
If the Column C total exceeds 1.4 A, use an external power supply.
Model Qty
Used
Control Panel
Control
Center
Wireless Hub
(IWT-WSN-N!-
86)
DX2010
Sounders Connected to PO 4
D118 8 Ω
Speaker
Ratings of other devices in system that are not shown above
F01U087835 | 02 | 2008.10
A
AC Power On Normal
Current
Each Unit Total
(mA) (mA)
85 x1 85
110 x Qty
30 x Qty
35 x Qty
0 xQty 0
x Qty
x Qty
x Qty
x Qty
x Qty
Total
A
System Reference Guide
B
AC Power Off Minimum
Current
Each Unit Total
(mA) (mA)
85 x1 85
110 xQty
30 x Qty
35 x Qty 0
0 xQty 0
x Qty
x Qty
x Qty
x Qty
x Qty
Total
B
Easy Series
C
In Alarm Maximum Current
Each Unit Total
(mA) (mA)
160 x1 160
165 xQty
30 xQty
35 xQty
330 xQty
x Qty
x Qty
x Qty
x Qty
x Qty
Total
C
Bosch Security Systems, Inc.