Model IFP-2000/ECS Installation Manual 151430-L8
4-3
4.3 Battery Connection
The control panel battery charge capacity is 17 to 55 AH. Use 12V batteries of the same AH rating. Determine
the correct AH rating as per your standby load calculation (see Section 3.6).
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 Cabinets
The Model RBB or AB-55 Accessory cabinets can be used when you are required to 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).
The AB-55 Accessory cabinet holds batteries up to the 55AH size. The AB-55 dimensions are 20" W x 11.5" H x
7.5" D (50.8 cm W x 30.48 cm H x 19.05 cm D).
4.3.1.1 Installing the RBB or AB-55 Accessory Cabinet and Batteries
To properly install the accessory cabinet and backup batteries, follow these steps:
1. Mount the accessory cabinet. See Figure 4-4 for the four cabinet mounting holes.
• If mounting onto drywall the accessory cabinet must be mounted onto 3/4-inch plywood. This is neces-
sary because the weight of the batteries inside the accessory cabinet could cause the cabinet to pull
away from the drywall.
• When mounting on concrete, especially when moisture is expected, attach a piece of ¾-inch plywood to
the concrete surface and then attach the RBB or AB-55 cabinet to the plywood.
To Control Panel
Red
Black
Battery Jumper
(P/N 140694)
Shipped With Panel
UL Recognized
UL Recognized
12V Battery
12V Battery
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