Installation

REV073019
SimpliPhi Power, Inc. | 3100 Camino Del Sol | Oxnard, CA 93030, USA | [phone] | [e-mail] | SimpliPhiPower.com
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Figure 9.0 – PV Array Connection Points
AccESS DC Grounding
To connect the Conext XW Pro or XW+ to the DC grounding system, use the ground lug at the
bottom of the Conext XW Pro or XW+ chassis. The terminal accepts wires from #14 AWG (1.63
mm) to #2 AWG (6.54 mm).
System grounding for the DC system, which typically involves bonding (connecting) the PHI 3.8
Battery negative circuit to ground, is dependent on the system configuration.
Note: if a grounded DC system is required, ensure that the system bonding is done in one
location only, and that all conductors and connections comply with all applicable NEC and local
installation codes.
4.5.5 – Basic Functional Test
The following procedure should be followed once the installation is complete and before it is put
into service.
Step 1: Confirm All Connections
After the AC and DC wiring has been installed and connected, check that all connections are
correct and secure.
Step 2: Apply DC Power to the Inverter
1. Before applying DC power to the inverter, measure the voltage and check polarity at all
connections (Measure at the PHI 3.8 Battery side of the disconnect or breaker.)
2. Apply PHI 3.8 Battery (DC) power to the inverter by closing the PHI 3.8 Battery bank DC
disconnect. The inverter will power up in standby mode, and the inverter information panel
will display Stb (standby), as shown below.