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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 Operator's Manual for troubleshooting.
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.
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.
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.
WARNING: Shock Hazard
The inverter's AC output is defaulted to ON from the factory. It will deliver 120 Vac as soon as DC power is
connected.
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.
The inverter will activate. Do not turn on any AC circuit breakers at this time. Confirm that the
system display is operational, if present.
2. Observe the LED indicators in the AC wiring compartment. One of the three BATTERY indicators
should be illuminated (green, yellow, or red). Any of them are acceptable at this stage. INVERTER
(green) should come on at this time. The fan will run briefly and the relay will click as a self-test.
3. If a system display is present, perform all programming for all functions. These functions may
include input current limits, battery charging, generator starting, and others.
900-0197-01-00 Rev A
Commissioning
41
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