User Guide

Configuration Settings
NOTICE
RISK OF BATTERY DAMAGE
Ensure that the AC Coupling feature is enabled on the battery inverters. If disabled, the battery
may be exposed to overcharging.
Failure to follow these instructions can result in battery damage.
Conext XW+ Configuration Settings
Note: For Conext XW+ configuration settings, see the Conext XW+ Owner’s Guide
(document part number: 975-0240-01-01).
Verify that AC Coupling (AC_COUPLING) is enabled. The default is Disabled.
n Using the System Control Panel (SCP):
l On the Conext XW+ device screen, go to Advanced Features > Adv Features
> AC_COUPLING [Enabled].
l In AC Coupling, the Conext XW+ maximum battery charge current is 140Adc
(nonadjustable). The Max Chge Rate parameter is only used to regulate the
charge from the AC1 and AC2 ports.
l Fstop is hard coded to 52/62. If operating in an off-grid application or if permitted
by the utility, set the PV inverter upper frequency limit for zero power to less than
52/62 and adjust the high frequency anti-islanding limits to 53/63 or less. The
Conext XW+ will bump frequency to 54/64 if V
batt
is greater than V
bulk
+ 4V.
Mode Recommended Setting
Search Disabled
Grid Support Enabled
1
Grid Sell Disabled
2
AC Coupling
3
Enabled
Table 1Conext XW+AC Coupling Configuration Settings
Conext SW Configuration Settings
Note: For Conext SW configuration settings, see the Conext SW Installation Guides
(document part numbers: 975-0636-01-01, 975-0638-01-01).
Verify that AC Coupling (AcCouple) is enabled. The default is Disabled.
1
For grid-connected systems.
2
For off-grid system with an AC generator.
3
AC Coupling feature must be set only on the Conext XW+ and Conext SW. It can be found in the
Conext XW+ and SW Advanced Features menu.
976-0240-01-01 Revision G This document is intended for use by qualified personnel 13
Conext XW+/SW Battery Inverters and PV Solutions Guide