900-0167-01-00 Rev A
11
Commissioning
Functional Test
WARNING: Shock Hazard and Equipment Damage
The inverter’s AC and DC covers must be removed to perform these tests. The components are close
together and carry hazardous voltages. Use appropriate care to avoid the risk of electric shock or
equipment damage.
It is highly recommended that all applicable steps be performed in the following order. However, if
steps are inapplicable, they can be omitted.
If the results of any step do not match the description, see the Troubleshooting section on page 57.
Pre-startup Procedures
1. Ensure all DC and AC overcurrent devices are opened, disconnected, or turned off.
2. Double-check all wiring connections.
3. Confirm that the total load does not exceed the inverter’s rated power. (See page 27 and the
specifications tables beginning on page 67.)
4. Inspect the work area to ensure tools or debris have not been left inside.
5. Using a digital voltmeter (DVM) or standard voltmeter, verify battery voltage. Confirm the
voltage is correct for the inverter model. Confirm the polarity.
6. Connect the system display, if present.
Startup
To start a single-inverter system:
1. Close the main DC circuit breakers (or connect the fuses) from the battery bank to the inverter.
Confirm that the system display is operational, if present.
CAUTION: Equipment Damage
Incorrect battery polarity will damage the inverter. Excessive battery voltage also may damage the inverter.
This damage is not covered by the warranty.
IMPORTANT:
Prior to programming (see Startup), verify the operating frequency of the AC source. This is necessary for
correct AC operation. The default setting is 60 Hz, but this can be changed to 50 Hz.
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