OutBack Power FLEXpower ONE FXR Series Quick Start Guide

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Energize/Startup

Procedures

3. Disconnect all AC loads at the backup (or critical) load panel.

4. Disconnect the AC input feed to the FLEXpower ONE at the source.

5. Place the mechanical interlock in the normal (non-bypass) position.

AC Circuit Breakers

DC Circuit Breakers

Side View

Battery

Bank

Mechanical

Interlock

(Bypass)

AC Conduit Box

DC Conduit Box

De-energize/Shutdown

Procedures

WARNING: Lethal Voltage

Review the system configuration to identify all possible

sources of energy. Ensure ALL sources of power are

disconnected before performing any installation or

maintenance on this equipment. Confirm that the

terminals are de-energized using a validated voltmeter

(rated for a minimum 1000 Vac and 1000 Vdc) to verify

the de-energized condition.

WARNING: Lethal Voltage

The numbered steps will remove power from the

inverter and charge controller. However, sources of

energy may still be present inside the GSLC and other

locations. To ensure absolute safety, disconnect ALL

power connections at the source.

WARNING: Burn Hazard

Internal parts can become hot during operation. Do not

remove the cover during operation or touch any internal

parts. Be sure to allow them sufficient time to cool

down before attempting to perform any maintenance.

To de-energize or shut down the OutBack devices:

1. Turnoff(open)theACcircuitbreakers.

2. Turnoff(open)theDCcircuitbreakerforthebattery.

3. Turnoff(open)thePVcircuitbreaker.

4. Turnoff(open)theGFDIcircuitbreaker.

5. Turnoff(open)theFN‐DCcircuitbreaker.

6. *Verify0VdcontheDCinputterminalsoftheinverterby

placingth

evoltmeterleadsonand.

7. *Verify0VdconthePVterminalbyplacingthevoltmeterleads

onand.

8. *Verify0VacontheACoutputcircuitbreakersbyplacingthe

voltmeterleadsintheslotsoftheAC outlet.

Thiscanalsobetestedbyplacingtheleadson

and.

AC Circuit Breakers

DC Circuit Breakers

Side View

Battery

Bank

Mechanical

Interlock

(Bypass)

AC Conduit Box

DC Conduit Box

900-0132-01-01 REV A.vsd

*See the Functional Test Points key that is included with the

Startup Procedures.

PV Array

GFDI

4a 4b

1a 1c

2a 2c

Functional

Test Points

Battery Voltage

Test Points

AC IN Voltage

Test Points

AC OUT Voltage

Test Points

PV Voltage Test Points

3a 3b

4a 3b

Circuit Breaker Terminal

connected to the Battery

Positive (+) Cable

Battery Negative (–)

Terminal on the Inverter

PV Negative (–) Terminal

on the Charge Controller

PV Positive (+) Terminal

on the Charge Controller

Circuit Breaker terminal

for the PV

Circuit Breaker Terminal

connected to the Inverter

DC Positive (+) Cable

To energize or start up the OutBack devices:

1. Using a digital voltmeter (DVM), verify 12, 24, or 48 Vdc on the DC input

terminals by placing the DVM leads on and . Confirm that the voltage

is correct for the inverter and charge controller models. Confirm the polarity.

2. Verify the voltage on the PV terminal is in the correct range of open-circuit

voltage by placing the DVM leads on and . Confirm the polarity.

3. Connect the AC source. Verify 120 Vac on the AC input circuit breakers by

placing the DVM leads on and .

4. Replace the covers on the AC and DC enclosures.

5. Turn on (close) the GFDI circuit breaker.

6. Turn on (close) the PV input circuit breakers.

7. Turn on (close) the DC circuit breaker from the battery bank to the inverter.

8. Turn on (close) the FN-DC circuit breaker.

9. Check the system display or LED indicators. Ensure the inverter is in the

ON state. The factory default state for FXR inverters is OFF.

10. Turn on (close) the AC output and AC outlet circuit breakers.

11. Verify 120 Vac on the AC output by placing the DVM leads in the slots of the

electrical outlet.

12. Turn on (close) the AC input circuit breakers.

13. Turn on the AC disconnects at the load panel and test the loads.

3a 3b

2a 2b

CAUTION: Equipment Damage

Incorrect battery polarity will damage the equipment.

Pre-startup Procedures

After opening the AC and DC enclosures:

1. Double-check all wiring connections.

2. Inspect the enclosure to ensure no tools

or debris has been left inside.

2a2c