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Be sure that DIP switches 2 and 3 are set for 12 or 24V,
as described in Section 3.2.
NOTE: Before connecting the battery, measure
the open-circuit voltage. It must be over 10 Volts
to start the controller. With the battery disconnect
open, connect the battery (+) and (-) wires from
the battery to controller. DO NOT CLOSE THE
DISCONNECT AT THIS TIME.
STEP 5: Solar Connections
WARNING: Shock Hazard.
The solar PV array can produce open-
circuit voltages of up to 60 Vdc when
in sunlight, and this DC voltage is
supplied to the Power Conversion
Equipment (PCE). Verify that the
solar input breaker or disconnect has
been opened (disconnected) before
installing the system wires.
NOTE: For design purposes, array
should be nominal 12V for 12V
battery, and nominal 24V for 24V
battery. Do not exceed 60Voc
SOLAR (+)
Disconnect
-
(+)
(
)
SOLAR (-)
16
Installation
Solar
Fuse or breaker sizing
based on required wire
ampacity
With the solar disconnect open, connect the solar
(PV) array wires to the EcoPulse solar terminals.
Use caution, since the solar array will produce
current whenever in sunlight. DO NOT CLOSE THE
DISCONNECT AT THIS TIME.
STEP 6: Load Connections
LOAD (+)
LOAD (-)
Turn the loads off, and connect the load wires to the
load terminals. DO NOT CLOSE THE FUSE OR
BREAKER AT THIS TIME.
STEP 7: Power-Up and Verify System Operation
Close the battery disconnect to start the processor,
and activate the controller's protections. Watch the
charging status, and then the three battery state-
of-charge (SOC) LEDs blink in sequence (G-Y-R),
confirming proper start-up. If they do not light, check
the battery polarity (+/–) and battery voltage.
EcoPulse Operator's Manual
Fuse or breaker sizing
based on required wire
ampacity
17
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