
Section 2: Installation
2.4.14 Ground Wiring
Figure 2-18 Ground Installation
Note:
Using an insulated green wire (minimum 22AWG), connect the EGND terminal on the Corbus and the grounding wire
from the building electrical installation to any of the available holes on the back or side of the metal cabinet. See the diagram
attached to the cabinet for suggested GND point location and hardware recommendations.
Note:
Wire and installation hardware not included.
2.4.15 Connecting Power
Batteries
Do not connect the battery until all other wiring is complete.
Note:
A sealed, rechargeable, lead acid battery or gel type battery is required to meet UL requirements for power standby
times.
Connect the RED battery lead to the positive battery terminal and the BLACK battery lead to the negative battery terminal.
The panel can be programmed to charge the battery at 400mA or 700mA. (See "[982] Battery Settings" on page 120).
Note:
Refer to "Aux Loading and Battery Selection" on page 1.
Battery Selection Chart
After calculating the battery capacity
(B)
for each specific installation use the following table to determine the battery
required to support the main panel in standby mode for
l
4 hours (UL commercial burglary/residential burglary),
l
12 hours (EN50131),
l
24 hours (UL/ULC residential fire, ULC commercial burglary, ULC commercial fire monitoring - no bell load allowed;
INCERT [Belgium]) or
l
36 hours (NFA2P [France]).
The battery size is measured in amp hours (Ah). The current values in the table denote the maximum current draw permitted
to achieve the desired standby time with the listed battery types.
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