PROSINE 2.0 INVERTER•CHARGER USER’S MANUAL
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PART 1: DESIGNING A SERIES SYSTEM
System Overview
Series operation refers to a specific wiring configuration that allows you to
connect two PROsine 2.0 Inverter•Chargers in a way that produces two 120V
phases which are synchronized to produce 240V. This is commonly referred to
as a “120/240Vac split-phase” supply or “240V single-phase with a center-tap
neutral” and is the same as the utility connection to most houses. This series
system can power both 120Vac and 240Vac single-phase loads. Two PROsine
Inverter•Chargers connected in series can provide up to 4kW continuous
power to almost any combination of 120V and 240V loads.
System Components
A two-unit series operation system requires the same components that a single
inverter•charger system requires. In many cases, however, two components
are required, some are applied differently, and a 10 foot series sync cable is
required. See Figure 20.
NOTE
Each inverter•charger is still limited to 17A continuous. For example, you cannot
put 9A of load on one phase and 25A of load on the other.
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