Installation
REV073019
SimpliPhi Power, Inc. | 3100 Camino Del Sol | Oxnard, CA 93030, USA | (805) 640-6700 | info@simpliphipower.com | SimpliPhiPower.com
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1.0 – Important Safety Information
1.1 – Safety Instructions
1. Before using the unit, read all instructions and cautionary markings on the unit, the PHI 3.8 Batteries,
and all appropriate sections of this manual.
2. PHI 3.8 Batteries must be fully charged before commissioning the AccESS unit (i.e. before turning on
connected loads). Failure to do so will void the Warranty.
3. Use of accessories not recommended or sold by the manufacturer may result in a risk of fire, electric
shock, or injury to persons and will void the Warranty.
4. Consult the Integration Guide for Inverter and Charge Controller settings for relevant warnings and
notices. All Integration Guides are posted on SimpliPhi’s Product Documentation web page
(https://simpliphipower.com/product-documentation/). Violating Warranty conditions specified in
those Integration Guides will void the Warranty on the whole AccESS unit, not just the Schneider
Electric equipment.
5. Each AccESS unit contains three or four PHI 3.8 Batteries. Although each PHI 3.8 Battery contains
both an 80 Amp circuit breaker and an internal BMS with circuitry that protects the PHI 3.8 Battery
cells from overcharge, over-discharge and excessive load amperage, the PHI 3.8 Batteries must
always be installed with appropriate inverter charge controller settings and power electronics to
protect the PHI 3.8 from open PV voltage and other high voltage charging sources. Do not attempt to
replace existing power electronics without SimpliPhi’s written approval. Failure to adhere to
installation protocol will void the Warranty.
6. Verify polarity at all connections with a standard volt meter before 1) energizing the system and 2)
turning the PHI 3.8 80 Amp breaker “ON/OFF” switch to the “ON” position. Reverse polarity at the
PHI 3.8 Battery terminals will void the Warranty and destroy the PHI 3.8 Batteries.
7. PHI 3.8 Batteries pose some risk of shock or sparking during the installation and initial wiring and
connection process. This is consistent with all other battery-based storage formats. Be sure to turn
the built-in 80 Amp breaker to the “OFF” position to minimize the risk of shock or sparks during the
installation and commissioning of the system.
8. To avoid a risk of fire and electric shock, make sure that existing wiring is in good condition and that
wire is not undersized. Do not operate the AccESS unit with damaged or substandard wiring. This
will void the Warranty.
9. Do not operate the AccESS unit if it has been damaged in any way during shipping or otherwise.
10. Only use a SimpliPhi approved LFP battery charger if ancillary charging is required before
installation, testing or troubleshooting. Failure to use a SimpliPhi approved LFP battery charger will
damage the PHI 3.8 Battery and void the Warranty. Refer to the PHI 3.8 Manual for details regarding
SimpliPhi-approved ancillary charging equipment.
11. To reduce the chance of short-circuits, always use insulated tools when installing or working with this
equipment.
12. Remove personal metal items such as rings, bracelets, necklaces, and watches when working with
electrical equipment.
13. The AccESS unit does not have any user-serviceable parts. Do not disassemble the inverter except
where noted for connecting wiring and cabling. See your Warranty for instructions on obtaining
service. Attempting to service the components inside the AccESS unit yourself may result in a risk of
electrical shock or fire and void the Warranty. Internal capacitors remain charged after all power is
disconnected – wait 10 minutes before servicing.
14. To reduce the risk of electrical shock, disconnect both AC and DC power from the AccESS unit
before attempting any maintenance or cleaning or working on any components connected to the
inverter. Putting the AccESS unit in Standby mode will not reduce this risk.