Install A Replacement Microinverter - enphase IQ7 Installation And Operation Manual

NOTE: Take care when measuring DC current as most clamp-on meters must be zeroed first and
tend to drift with time.
E. Disconnect the PV module DC wire connectors from the microinverter using the IQ Disconnect Tool.
F. If present, loosen and/or remove any bonding hardware.
G. Remove the microinverter from the PV racking.
WARNING: Risk of electric shock. Risk of fire. Do not leave any connectors on the PV system
disconnected for an extended period. If you do not plan to replace the microinverter immediately,
you must cover any unused connector with a sealing.

Install a replacement microinverter

A. When the replacement microinverter is available, verify that the AC branch circuit breaker is de-
energized.
B. Mount the microinverter bracket side up and under the PV module, away from rain and sun. Allow a
minimum of 1.9 cm between the roof and the microinverter. Also, allow 1.3 cm between the back of
the PV module and the top of the microinverter.
WARNING: Risk of equipment damage. Mount the microinverter under the PV module.
• Install the microinverter under the PV module to avoid direct exposure to rain, UV, and
other harmful weather events.
• Always install the microinverter bracket side up.
• Do not mount the microinverter upside down.
• Do not expose the AC or DC connectors (on the IQ Cable connection, PV module, or
microinverter) to rain or condensation before the connectors are mated.
C. Torque the mounting fasteners to the values shown. Do not over-torque.
• 6 mm mounting hardware: 5 N m
• 8 mm mounting hardware: 9 N m
• When using earthing mounting hardware, use the manufacturer's recommended torque
value
D. If you are using bonding hardware, the old bonding hardware should be discarded, and new bonding
hardware must be used when installing the replacement microinverter.
E. Connect the microinverter to the IQ Cable connector. Listen for a click as connectors engage.
F. Connect the DC leads of each PV module to the DC input connector of the microinverter.
G. Re-mount the PV module above the microinverter.
H. Energize the AC branch circuit breaker and verify the operation of the replacement microinverter by
checking the Status LED on the connector side of the microinverter.
I. Use the Enphase Installer App to delete the old microinverter serial number from the Enphase IQ
database. In Enphase Installer App, once connected to the IQ
Gateway
a. Tap "Micros" > "Manage".
b. Tap the checkbox
c. Tap
J. Add the new microinverter serial number to the IQ
using one of the following methods:
25
IQ7+/IQ7X/IQ7A Microinverters Installation and Operation Manual
to the right of the microinverter serial number replaced.
to delete the microinverter from the IQ
© 2023 Enphase Energy Inc. All rights reserved.
Gateway
database.
Gateway
database by initiating a device scan
Gateway
:
August 2023
USM-00003-1.0