AccESS Installation Manual

Table Of Contents

REV020620

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− The Schneider Electric Owner’s Guide contains information and procedures necessary for

configuring, operating, maintaining, and troubleshooting the Schneider Electric Conext XW Pro or

XW+ Inverter/Charger. The guide is intended for anyone who needs to operate, configure, and

troubleshoot the inverter. Certain configuration tasks should only be performed by qualified

personnel.

5.3 – Operating Parameters Per Warranty

Although the PHI 3.8 Batteries within the AccESS unit are capable of performing at very high rates and

depths of discharge within a very wide temperature range, in order to achieve extended life cycles and to

comply with the Warranty, the operating parameters, indicated in Tables 3.0 and 4.0 below, must be

adhered to. The parameters shown in Table 3.0 below must be applied based on desired Warranty/cycle

life. The AccESS comes pre-programmed for 80% depth of discharge.

5.3.1 – Inverter Programming Settings

Schneider Electric Conext XW Pro or XW+ Inverter/Charger

The Schneider Electric Conext XW Pro or XW+ Inverter/Charger has a firmware limitation that

creates a potential issue with Lithium-Ion batteries: the Low Battery Cut-Out Voltage (LBCO)

setting is limited to 48V maximum. This value is below the recommended LBCO settings to

maximize cycle-life of most Lithium-Ion batteries including PHI 3.8 Batteries. Per the Warranty, a

48V LBCO corresponds to 100% DoD and maintains a much more limited cycle life.

Until Schneider releases updated firmware to adjust this setting above 48V in the Conext XW Pro,

this issue can be largely mitigated by setting the “Recharge Volts” above the desired LBCO

thresholds as outlined Table 1.0 above. Therefore, systems that do not rely solely on renewable

energy (i.e. grid tied systems, AGS systems) will typically start charging the PHI 3.8 Batteries once

the recharge voltage level is reached, preventing further discharge of the PHI 3.8 Batteries and

thus optimizing cycle-life. Updated firmware for an increased programmable LBCO range may not

be available in the Conext XW+.