Model IFP-2000/ECS Installation Manual 151430-L8
4-5
Note: Figure 4-6 is an example of how the wire connections can be routed. However, any other cabinet knock-
outs (on either the main control panel or the RBB/AB-55 cabinet), that are not previously being used may
be utilized to connect conduit between the two cabinets.
4. Connect battery leads to the backup battery terminals. See Figure 4-6.
• Observe the proper polarity to prevent damage to the batteries or the control panel.
5. Insert the RBB or AB-55 cover screws into the cover mounting holes. See Figure 4-6.
• Screw the cover screw ¾ of the way into the cover mounting hole.
6. Align the cover plate mounting keyhole over the cover mounting screws. See Figure 4-7.
Figure 4-7 Cover Plate Mounting Keyholes and Cover Mounting Screws Alignment
7. Slide the cover into place and tighten the cover mounting screws. See Figure 4-7.
4.4 SBUS Wiring
This section contains information on calculating SBUS wire distances and the types of wiring configurations
(Class A and B).
4.4.1 Calculating Wiring Distance for SBUS Modules
The IFP-2000 panel has two SBUS circuits which can support up to 1.0A of module load per SBUS circuit.
When determining the type of wire and the maximum wiring distance that can be used, you will need to calculate
loads for each SBUS to ensure that each SBUS does not exceed 1.0A.
To calculate the wire gauge that must be used to connect SBUS modules to the control panel, it is necessary to
calculate the total worst case current draw for all modules on a single SBUS circuit. The total worst case current
draw is calculated by adding the individual worst case currents for each module. The individual worst case
values are shown in the table below.
Cover Plate
Mounting Keyholes
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