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System Configuration
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Preparing a battery bank includes the following considerations:
1. Determine types of batteries to be used.
2. Determine the number of batteries required for the battery bank.
3. Prepare the battery bank according to type of battery selected and
configure the battery bank to optimize voltage output according to
system requirements.
See Appendix C, “Battery Information” for additional information on
determining battery bank type and configuration.
The DC voltage of your inverter must match the DC voltage of your
system and all of its accessories. In other words, if you have a 24 volt
inverter, then the battery bank and all other DC devices in the system
must be configured for 24 volts.
Battery Cable Requirements
Battery cables must be the correct size and length to optimize
performance and ensure the safety of the system. Larger diameter cables
(smaller AWG number) have less voltage drop and are, therefore, more
efficient when transferring power to and from the batteries. The use of
oversized cables (e.g., 4/0 cables) will allow you to take advantage of the
improved surge performance of the
Sine Wave Plus inverters.
DO NOT cut corners on the battery cable recommendations in this
manual. It is absolutely imperative that you adhere to the battery cable
size (wire gauge) and length recommendations provided in this section. If
cables that are too long or of insufficient gauge (i.e., undersized, diameter
too small) are used, then inverter performance will be adversely affected.
In addition to poor inverter performance, undersized cables can result in
WARNING: Fire Hazard
Undersized cables can overheat and melt, creating a fire hazard
when subjected to heavy (peak) loads. Always use a properly
sized cable and length rated for the amperage of the inverter
and batteries.
Important: Use only fine stranded copper cables for battery and
inverter DC connections. Do not use coarse stranded wire, as the lack of
flexibility may damage battery and inverter terminals.