These procedures should be done by a qualified installer who is trained on programming inverter power systems.
Failure to set accurate parameters for the system could potentially cause equipment damage. Damage caused by
inaccurate programming is not covered by the limited warranty for the system.
IMPORTANT
Check the firmware revision of all OutBack devices before use. The Radian inverter and MATE3 system display may not
communicate or operate correctly unless their firmware is above a specified revision number.
For models GS8048A and GS4048A, the firmware must be revision 001.005.xxx or higher.
The MATE3 must be revision 002.017.xxx or higher.
The MATE3 Configuration
Wizard allows quick setup of
parameters that apply to all
systems. The Configuration
Wizard is reached from the
MATE3 Main Menu as shown
to the right.
The firmware revision of all
devices can be confirmed by
navigating from the MATE3
Main Menu as shown below.
Upgrades to the firmware
revision can be downloaded
from the OutBack website
www.outbackpower.com.
Device Data Logs >>
Event Logs >>
Firmware Update >>
New Configuration
New Configuration >>
Existing Configuration >>
Restore Configuration >>
New Configuration Initialized
Back Continue
Off Grid
System Type Off Grid
System Voltage 48 VDC
Array Wattage 1000
Battery Type FLA Capacity 500 Ah
Back Continue
Absorb Voltage 57.6 VDC Time 1.0
Float Voltage 54.4 VDC Time 1.0
Equalize Voltage 60.0 VDC Time 3.0
Re-Float Voltage 44.0 VDC
Back Continue
AC Output Voltage 240 VAC
AC Phase Single
AC Input Breaker Size 50 A
Maximum Output Load 33 A
Back Continue
Generator Installed Y
Generator Type AC Size 5.0 kW
Generator Start Manual
AUX Output Device Port 1
Back Continue
Note: See the MATE3
manual for details on
generator control.
If FN-DC is installed...
WARNING: Fire/Explosion Hazard
Do not place combustible or flammable materials within 12 feet (3.7 m) of
the equipment. This unit employs mechanical relays and is not ignitionprotected. Fumes or spills from flammable materials could be ignited by sparks.
WARNING: Personal Injury
Use safe lifting techniques and standard safety equipment when working wi th
this equipment.
IMPORTANT:
Clearance and access requirements may vary by location. Maintaining a 36”
Masters of the Off-Grid.™
First Choice for the New Grid.
Installation
RADIAN Series
Ensure the mounting surface is strong enough to handle 3 times the total weight of all the components. Add plywood or other
1
reinforcing material as necessary to strengthen the surface.
Attach the wall bracket. Center the mounting holes on the wall studs. Use all 6 mounting screws to secure the bracket.
2
Lift the inverter so that the inverter bracket is above the wall bracket.
3
Lower the inverter so that the inverter bracket slips into the wall bracket.
4
If GSLC is not used: Secure the inverter to the surface using a minimum of 1 wall screw (or appropriate hardware).
5
If GSLC is used: Unscrew the inverter bottom screws approximately ¼” (0.6 cm) to 3/16" (0.5 cm).
6
Align the GSLC along the bottom of the inverter. Slide the bottom screws into the keyhole slots.
7
Mark the spots for the GSLC mounting feet. (If necessary, remove the GSLC to install wall anchors.) Install screws to secure the feet.
8
9
Follow the appropriate instructions for installing other components. Different mounting locations are available.
The Radian has one
mounting location for the
HUB product. The GSLC
also has one location.
Wall
Stud
16" (40.6 cm)
Wall
Stud
1
Plywood (Optional)
4.1"
(10.4 cm)
2
Wall Bracket
5.0"
(12.7 cm)
MATE3
Wall Board
6.0"
(15.2 cm)
0.5" (1.3 cm)0.5" (1.3 cm)
8.75"
(22 cm)
Wall Stud
AC Wire Sizes and Torque Values
Wire SizeTorque
AWGIn-lb
#14 to #1020
13.7"
(34.8 cm)
Inverter
Bracket
Wall Board
Plywood
(Optional)
3
Wall
Bracket
5
Keyhole Slots
6
Bottom
Screws
#825
#6 to #435
#335
#240
#150
1/050
8.0"
(20.3 cm)
2
mm
2.5 to 6
10
16 to 25
35
35
50
70
Nm
2.3
2.8
4.0
4.0
4.5
5.6
5.6
9
ON/OFF
INV
+ -
Battery
RELAY
Switch
Remote
12V
Temp
AUX
INV
AUX
9
10
1
N
N
N
L1 L2
L1 L2
L1 L2
E
E
E
GRID
GEN
OUT
U
U
U
HUB
10.3
9
3
7
OutBack recommends that conductors be
#6 AWG THHN copper, or larger, rated to 75°C
(minimum) unless local code requires otherwise.
Minimum DC Cable based on
the DC Circuit Breaker
Circuit
Breaker
Cable Size
1251/0 (70 mm2)
1752/0 (70 mm2)
2504/0 (120 mm2)
Torque
In-lbNm
354.060#6 AWG (16 mm2)
354.080#4 AWG (25 mm2)
505.6
22525.4
22525.4
5
6
(71.1 cm)
When
stacking
multiple
inverters:
For GSLC door
clearance, space
systems 0.9"
(3.2 cm) apart.
28.0"
29.1"
7
(74.0 cm)
4
14.0"
(35.6 cm)
GSLC175-PV-120/240
Left Side:
The Radian allows two locations
for the MATE3 mounting bracket
(FW-MB3).
Right Side:
The FLEXmax charge
controller is mounted
with the FW-CCB bracket.
The FW-CCB2 allows two
controllers side by side (using
the forward holes to allow for
conduit.)
8
(31.8 cm)
Circuit Breaker
Stud
M8202.3
¼ - 20354.0
5/16 - 18505.6
3/8 - 1622525.4
12.0"
Torque Requirements
Torque
In-lbNm
DC Plates
Upper holes (+)
Lower holes (+)
Shunt Bolts (–)
and GS-SBUS
Torque
In-lbNm
60
60
50
60
6.8
5.6
6.8
The Radian has two sets of
9
bracket positions. The GSLC
has one set.
NOTE: The FLEXmax
Extreme charge controller
attaches directly to the wall,
not the Radian system.
It does not use
OutBack brackets.
DC
Positive
(+) Plate
19
Positive Battery Cable Connections
4
Flat
Washer
Lock
Washer
Bolt 3/8"
Flat
Washer
Nut
Battery
Positive
(+) Lug
DC Disconnect
Stud
FM80
Positive (+)
Terminal
FN-DC
Positive (+)
Sense
Terminal
GSLC175-PV-120/240GSLC175PV1-120/240
Battery
Positive
(+) Lug
Flat
Washer
Lock
Washer
Nut
CAUTION:
!
Equipment Damage
When connecting cables
from the Radian inverter
to the battery terminals,
make sure to observe
the proper polarity.
Connecting the cables
incorrectly can damage
or destroy the equipment
and void the product
warranty.
DC
Negative (-)
Plate
(GS-SBUS)
22
GS8048A
22
20
22
20
20
18
1112131415
4
19
17
16
FN-DC LED Indicators
Color
Green
Yellow ≥ 80%
Yellow
Yellow
Red
Negative Battery Cable
Connections
Bolt 3/8"
Battery
Lock
Washer
Negative
(–) Lug
Shunt
20
Flat
Washer
21
21
> 90% (blinks if charge parameters
≥ 70%
≥ 60%
≥ 60% off, < 60% solid, < 50% blinks
1
AC Terminals - Inverter
2
DC Terminals - Inverter
AC Circuit Breakers
3
DC Circuit Breakers
4
GFDI
5
6
PV Circuit Breakers
Mechanical Interlock (Bypass)
7
Charge Controller Terminals
8
Communication Ports
9
Auxiliary Terminals
10
AC OUT Bus Bar L1
11
AC OUT Bus Bar L2
12
13
GRID IN Bus Bar L1
14
GRID IN Bus Bar L2
15
GEN IN Bus Bar L1
16
GEN IN Bus Bar L2
17
AC Neutral
18
Ground
DC Positive (+) Plate (not used
19
on GSLC175PV1-120/240)
20
PV Negative (–) Terminals
21
PV Positive (+) Bus Bars
DC Negative (–) Plate (GS-SBUS)
22
9
8
9
10
FM80 #1FM80 #2
FN-DC
Battery State of Charge
are met)
FN-DC wiring is displayed
on the Wiring page.
Wiring to AC terminals is
1
displayed on the Wiring page.
N
L1 L2
E
OUT
U
8
10
GRID
N
E
U
N
E
U
L1 L2
GEN
L1 L2
Energize/Startup
Procedures
De-energize/Shutdown
RADIAN Series
Procedures
CAUTION: Fire Hazard
!
Before energizing, confirm that all hardware
is installed as shown on the Installation
page. Stacking battery terminal hardware in
any other order can overheat the terminals.
Pre-startup Procedures:
1.Double-check all wiring connections.
2.Inspect the enclosure to ensure no
4
debris or tools have been left inside.
3. Disconnect all AC loads at the backup
(or critical) load panel.
4.Disconnect the AC input feed to
the GSLC at the source.
To energize or start the OutBack devices:
1.Using a digital voltmeter (DVM), verify 48 Vdc
on the DC input terminals by placing the DVM leads
1a1b
on and .
Confirm that the battery voltage is correct for the
inverter and charge controller models.
Confirm the polarity.
CAUTION: Equipment Damage
!
Incorrect polarity will damage the equipment.
2.Turn on (close) the GFDI circuit breaker.
3.Verify that the PV input for each charge controller
is in the correct range of open-circuit voltage and
confirm the polarity by:
a) placing the DVM leads on and , and
b) placing the DVM leads on and .
4.Turn on (close) the PV input circuit breakers.
5.Turn on (close) the DC circuit breakers from the battery bank to the inverter.
6.If the inverter is in the Off state, turn it On.
7.Verify 120 Vac on the AC Output L1 TBB by placing the DVM leads on and .
8.Verify 120 Vac on the AC Output L2 TBB and .
9.Verify 240 Vac between the AC Output TBBs by placing the DVM leads on and .
10. Turn on (close) the AC output circuit breakers.
11. Start the generator if appropriate. Verify 120/240 Vac on the terminals of the AC input sources.
12. Turn on the AC input feed to the GSLC at the source.
11. Verify 120 Vac on the GRID IN L1 TBB by placing the DVM leads on and .
12. Verify 120 Vac on the GRID IN L2 TBB and .
13. Verify 240 Vac between the GRID IN TBBs by placing the DVM leads on and .
14. Verify 120 Vac on the GEN IN L1 TBB by placing the DVM leads on and .
15. Verify 120 Vac on the GEN IN L2 TBB and .
16. Verify 240 Vac between the GEN IN TBBs by placing the DVM leads on and .
17. Turn on (close) the AC input circuit breakers.
18. Turn on the AC disconnects at the backup (or critical) load panel and test the loads.
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
4
3
Test points 2c and 2d refer to the
right terminal of each circuit breaker.
2a
2b
In 23.2 V 0.0 A
Out 27.6 V 0.0 A
0.000 kW 0.0 kWH
AUX: OFF Sleeping
In 23.2 V 0.0 A
Out 27.6 V 0.0 A
0.000 kW 0.0 kWH
AUX: OFF Sleeping
maintenance.
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 controllers. 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.
1b
2
In 23.2 V 0.0 A
Out 27.6 V 0.0 A
0.000 kW 0.0 kWH
3a
2c
3c
3b
2d
AUX: OFF Sleeping
To de-energize or shut down the OutBack devices:
1.Turn off (open) the AC circuit breakers.
2.Turn off (open) the DC circuit breakers for the battery.
Wait 5 minutes for the devices to internally discharge themselves.
3.Turn off (open) the PV circuit breakers.
4.Turn off (open) the GFDI circuit breaker.
5.Verify 0 Vdc on the first DC bus of the inverter by placing the voltmeter
leads on and .
6.Verify 0 Vdc on the second DC bus by placing the voltmeter leads on
and .
7.Verify 0 Vdc on one PV circuit by placing the voltmeter leads on
and .
8.Verify 0 Vdc on the other PV circuit by placing the voltmeter leads on
and .
9.Verify 0 Vac on the AC output circuit breakers by placing the voltmeter
leads on and . Repeat this step for and .
1d
1b
1b
1b
3a
1c
3c
Test Points
Battery Voltage Test Points
1a1b1c1d
PV Voltage Test Points
2a2b2c2d1b
AC OUT Voltage Test Points
(Terminal bus bar = TBB)
3a3b3c
In 23.2 V 0.0 A
Out 27.6 V 0.0 A
0.000 kW 0.0 kWH
AUX: OFF Sleeping
1
2
3
4
3b
3c
1b
2c
2d
WiringRADIAN Series
Utility Grid
AC LEGEND
Neutral
HOT L1
HOT L2
Ground
On/Off Switch or EPO
EPO
N
L1
L2
Remove
On/Off Jumper
AC Generator
AC Distribution Panel
L2
NEU
Remote
L1
L2
N
L1
L2
Ground
Electrode
Conductor
(Ground Rod)
RELAY
AUX
Generator
Start
L1
AC
Source
GROUND
+ -
Switch
12V
AUX
INV
N
Neutral-Ground
Bond
Battery
Temp
RTS
Cable
CAT5 Cable
FLEXnet DC
+ -
RELAY
Switch
12V
AUX
INV
AUX
N
L1 L2
L N
E
OUT
OUT
U
N
L N
E
U
L1 L2
GEN
GEN
Battery
Remote
Temp
N
L1 L2
L N
E
GRID
GRID
U
Twisted-pair wiring
(+) Positive
Relay Connections
3
(not shown)
4
1
(–) Negative
2
(–) Bus Bar
5
6
(–) FM-80 #2
7
(–) Bus Bar
8
(–) FM-80 #1
9
(–) Bus Bar
10
(–) Inverter
Battery
Sense
Shunt C
Shunt B
Shunt A
GS8048A wiring and
external system
with GSLC175-PV-120/240
and grid bypass
5
6
2
10
10
7
5
8
6
L1
L1
9
9
L1
1
GS4048A wiring
With GSLC175PV1-120/240 and grid bypass
To ports as shown below
N
N
N
L1 L2
L1 L2
L1 L2
L N
L N
L N
E
E
E
GRID
GEN
OUT
OUT
GEN
GRID
U
U
U
L1
L2
To AC, DC, and PV as below
FM80 #1
2
L1
L2
7
8
10
9
L1
1
L2
N
FM80 #2
GS8048A multiple inverters (stacking)
To ports as shown below
AC Output Bus
(Loads)
When stacking in parallel configuration (GS8048A or GS4048A):
AC input and output conductors can share common connections from external AC input and output
buses. These are shown above.
Do not use the OutBack bypass assembly in the GSLC.
Connect all DC, PV, AC neutral (common), and ground wires as shown in the main GS8048A diagram.
Connect all CAT5 cables using the appropriate ports in the communications manager.
PV Array #2
I
OIOIOIOIO
O
PV Array #1
I
with GSLC175-PV-120/240; PV and FLEXnet DC not shown