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Wiring in the Electrical Panel
1.
Turn off the main breaker as well as the 10 branch circuit breakers intended to be connected in the
main panel and use a voltage detector or voltmeter to make sure the system is fully de-energized.
2.
Remove the front cover of the main panel. Keep in mind that the grid side of the main panel
(upstream of the main breaker) is still energized.
3.
Remove the knockouts that you want to use on both the SHP and the main electrical panel.
4.
Attach both top and bottom conduit to the SHP and main electrical panel.
5.
Pull all wires (Input, output, neutral and ground) from the SHP to the main electrical panel.
6.
Connect the two neutral wires and the ground wire to the neutral and ground bus respectively.
Cut them to the appropriate length before connecting.
7.
Remove the hot wire from the circuit breaker. Connect each load hot wire to the corresponding
output wire from the SHP using wire nuts (for example, the output wire labeled "1 out" means it's
the output for channel 1). Make sure it's connected to the right number as planned.
8.
Connect the input wire, with the same number (for example, if you used "1 out", now you should
find the red wire labeled "1 in"), to the circuit breaker planned. Make sure you cut them to the
appropriate length before connecting.
9.
Repeat step 7 & 8 for all 10 load circuits.
10.
Each charging circuit for DELTA Pro needs to feed off a single 30A breaker from the main panel
to enable the fast charge function. If not available, 30A circuit breakers need to be purchased and
installed. The wires corresponding to the PRO charging wires are labeled "PRO1 in" and "PRO2 in".
If the 30A breaker is not used, the correct current rating should be entered into the app later on to
prevent the circuit breaker tripping from charging current. It is recommended to handle tie both
charging breakers or use a double pole breaker. This makes de-energization of the SHP safer for
future servicing.
Installation steps
1. Run a cable from the grounding bus of the main electrical panel to the grounding bar in SHP. Install
two 30A single pole or one 30A double pole circuit breaker(s) to the main electrical panel and connect
Pro 1 and Pro 2 modules in SHP with a 10AWG cable to provide AC charging and overcurrent protection
for the Delta Pro(s).
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