Installation
EcoBoost MPPT Operator’s Manual
21
20
3.0
40 Volt
MODULE
40 Volt
MODULE
40 Volt
MODULE
SOLAR (+)
Solar
Disconnect
SOLAR (-)
(+)
(+)
(+)
(
-
)
(
-
)
(
-
)
120Voc Maximum
Fuse or breaker sizing
based on required wire
ampacity
STEP 6
:
Load Connections
- see diagram below
CAUTION:
Equipment Damage
Do not wire any AC inverter to the load terminals of the
EcoBoost MPPT. Damage to the load control circuit may result.
An inverter should be wired to the battery. If there is a possibility
that any other load will sometimes exceed the EcoBoost’s
maximum voltage or current limits, the device should be wired
directly to the battery or battery bank. If load control is required,
contact Morningstar Tech Support for assistance.
Turn the loads off, and connect the load wires to the load
terminals. DO NOT CLOSE THE BREAKER AT THIS TIME.
LOAD (+)
LOAD (-)
Fuse or breaker sizing based
on required wire ampacity
STEP 7:
Power-Up and Verify System Operation
NOTE:
Carefully observe the LEDs after each
connection. The LEDs will indicate proper polarity and
a good connection.
Close the battery breaker to power on the controller. Watch
the the charging status, and then the three battery state-
of-charge (SOC) LEDs blink in sequence (G-Y-R), confirm-
ing proper start-up. If they do not light, check the battery
polarity (+/–) and battery voltage.
Next, the green, yellow or red LED will light depending on
the battery state-of-charge (SOC). Confirm that one of these
LEDs is on before going to the next step.
Close the solar disconnect. If the solar input is connected
while in sunlight, the charging LED indicator will light.
Confirm proper connection by observing the charging LED.
Close the load disconnect, and turn the load on, to confirm
a proper connection.
If the load does not turn on, it could be for various reasons:
