Classic SL owner’s manual REV E 2056
2 | P a g e 10- 0 0 1 - 3 R E V : E
Never Parallel 2 Classics onto one PV array. If 2 Classic’s have to be paralleled for wind
or hydro (NOT SOLAR) there must be blocking diodes on each Classic.
For Larger systems with Large inverters and or multiple inverters (like the Radian or
XW+ for example) it is important to use appropriate sized cables and bus bars or
damage to the inverters or charge controllers can occur. Take a single XW+ E-Panel for
example, it has a positive bus bar for Charge controller battery side connections. This
bus bar is sufficient for 2 charge controllers, so if you needed 3 or more then you need
to look at the best way to handle the amperage. Or a Dual Radian, for example, is
actually 4 separate inverters. Proper size cables become very important as well as large
enough battery banks. Most manufacturers of Battery based inverters recommend
100AH of battery per KW of solar modules. (Please consult the inverter manufacture for
assistance with cable sizing etc)
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