Replacing An Ac Combiner Box; Remove The Ac Combiner Box - enphase AC Combiner Box Installation Manual

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Replacing an AC Combiner Box

If problems remain after following the troubleshooting steps above, contact Enphase at
enphase.com/en-us/support/contact.
DANGER! Risk of electrocution! Do not disconnect the consumption CT leads from the terminal
block while the sensed circuit is energized.
DANGER! Risk of electric shock. Risk of fire. Do not attempt to repair the Enphase AC Combiner
Box or the Enphase Envoy-S; they contain no user-serviceable parts. Tampering with or opening
the Envoy-S will void the warranty. If the Envoy-S fails, contact Enphase Customer Support for
assistance at
Warranty void if Envoy-S cover removed.
Refer servicing to qualified personnel.
DANGER! Risk of electric shock. Always de-energize the load center before beginning wiring.
WARNING! If the Envoy-S you are replacing uses an Enphase cellular modem (Enphase Mobile
Connect), do NOT move the cellular modem to another installation site. This de-activates the
modem.

Remove the AC Combiner Box

If Customer Support authorizes an AC Combiner Box replacement (RMA), perform the following steps.
1. Turn off power to AC combiner box at the main load center. Verify that all power is removed
from the system before attempting any wiring.
2. Open the AC Combiner Box door.
3. Remove the clear plastic dead front, and keep the screws and washers in a safe place.
4. Disconnect the combiner output connections. The two DIN rail terminal blocks above the circuit
breakers are the output connections.
5. Disconnect the combiner inputs (Line 1 and Line 2 from the array) from the combiner breakers.
6. Disconnect the neutral wires (white) from the neutral bus.
29
enphase.com/en-us/support/contact.
© 2016 Enphase Energy Inc.
AC Combiner Box Installation
141-00030 Rev 02

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This manual is also suitable for:

Envoy-s

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