GP-PWM-30-SB
8
© 2019 Go Power!
2. Complete the installation of the solar modules. If this
GP-PWM-30-SB was purchased as part of a Go Power! Solar
Power Kit, follow the Installation Guide provided. Otherwise,
follow manufacturer’s instructions for solar module mounting and
wiring.
Do not exceed
the GP-PWM-
30-SB Max
current ratings
The maximum current of the solar system is
the sum of parallel-connected PV module–
rated short circuit Currents (Isc) multiplied by
1.25. The resulting system current is not to
exceed 37.5A. If your solar system exceeds
this value, contact your dealer for a suitable
Do not exceed
the GP-PWM-
30-SB Max
voltage ratings
The maximum voltage of the array is the sum
of the PV module–rated open-circuit voltage of
the series connected modules multiplied by
1.25 (or by a value from NEC 690.7 provided
in Table 690.7 A). The resulting voltage is not
to exceed 35V. If your solar system exceeds
this value, contact your dealer for a suitable
3. Select wire type and gauge. If this GP-PWM-30-SB was
purchased as part of a Go Power! Solar Power Kit, appropriate
wire type, gauge, and length is provided. Please continue to
Section 6, “Operating Instructions.” If the GP-PWM-30-SB was
purchased separately, follow the instructions included here.
Wire type is recommended to be a stranded copper UV-resistant wire.
Wire fatigue and the likelihood of a loose connection are greatly reduced
in stranded wire compared to solid wire. Wire gauge should be able to
sustain rated current and minimize voltage drop.
Wire Strip Length
Strip wires to a length of approximately 3/8 in (9 mm, as per strip gauge).
Suggested Minimum Wire Gauge
(Cable length 25 ft. max. from solar array to battery bank)
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