6820 / 6820EVS Manual P/N LS10144-001SK-E:C 09/28/2017 29
The AC terminals are rated at 120 VAC, 60 Hz, 2.7A.
Figure 4.2 120 VAC Power Connection for the 6820 or 6820EVS
4.3 Battery Power
The batteries must be sealed lead acid type. Before connecting the batteries to the FACP, make certain that the interconnect cable
between the batteries is not
connected. Do not connect the battery jumper cable until the system is completely installed. Observe polarity
when connecting the batteries.
The control panel battery charge capacity is 7.0 to 35 AH. Use 12V batteries of the same AH rating. Determine the correct AH rating as
per your current load calculation (see Section 3.7).
Wire batteries in series to produce a 24-volt equivalent. Do not parallel batteries to increase the AH rating. It is recommended that you
replace batteries every five years.
Figure 4.3 Battery Connection
4.3.1 Battery Accessory Cabinet
The Model RBB Accessory cabinet can be used when your backup batteries requirements use backup batteries that are too large to fit
into the main control panel cabinet. The RBB cabinet holds batteries up to the 35 AH size. The RBB dimensions are 16" W x 10" H x 6"
D (40.64 cm W x 25.4 cm H x 15.24 cm D).
RISK OF PERSONAL INJURY
Battery contains sulfuric acid which can cause severe burns to the skin and eyes and can destroy fabrics. If contact is made with sulfuric acid,
immediately flush the skin or eyes with water for 15 minutes and seek immediate medical attention
To Control Panel
Red
Black
Battery Jumper
(P/N 140694)
Shipped With Panel
12V Gel Cell Battery
12V Gel Cell Battery
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