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SAFETY (all models)
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
Follow these important instructions during the installation and mainte-
nance of the IQ Combiner 5/5C.
Safety and Advisory Symbols
DANGER: This indicates a hazardous situation, which if not avoided, will
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result in death or serious injury.
WARNING: This indicates a situation where failure to follow instructions
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may be a safety hazard or cause equipment malfunction. Use extreme
caution and follow instructions carefully.
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NOTE: This indicates information particularly important for optimal
system operation. Follow instructions carefully.
Safety Instructions
DANGER: Risk of electric shock. Risk of fire. Do not attempt to repair the
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IQ Gateway; it contains no user-serviceable parts. Tampering with the IQ
Gateway will void the warranty. If the IQ Gateway fails, contact Enphase
Customer Support for assistance (enphase.com/en-us/support/contact).
DANGER: Risk of electrocution! Do not install CTs when current flowing
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in the sensed circuit. Always install CT wires in the terminal blocks before
energizing the sensed circuit.
DANGER: Risk of electric shock. Do not use Enphase equipment in a
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manner not specified by the manufacturer. Doing so may cause death or
injury to persons or damage to equipment.
DANGER: Risk of electric shock. Be aware that installation of this equip-
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ment includes risk of electric shock. Do not install the IQ Combiner 5/5C
without first removing AC power from the Enphase System. Ensure the
power coming from the microinverters is de-energized before servicing
or installing.
DANGER: Risk of electric shock. Risk of fire. Only qualified personnel
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should troubleshoot, install, or replace the IQ Combiner 5/5C.
DANGER: Risk of electric shock. Improper servicing of the IQ Combiner
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5/5C or its components may result in a risk of shock, fire, or explosion.
To reduce these risks, disconnect all wiring before attempting any main-
tenance or cleaning.
DANGER: Risk of electric shock. Always de-energize the AC branch circuit
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before servicing. While connectors are rated for disconnect under load, it
is a best practice to de-energize before disconnecting.
DANGER: Risk of electric shock. Risk of fire. Only use electrical system
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components approved for wet locations.
DANGER: Risk of electric shock. Risk of fire. Ensure that all wiring is
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correct and that none of the wires are pinched or damaged.
DANGER: Risk of electric shock. Risk of fire. Do not work alone. Someone
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should be in the range of your voice or close enough to come to your aid
when you work with or near electrical equipment. Remove rings, brace-
lets, necklaces, watches, etc. when working with batteries, photovoltaic
modules, or other electrical equipment.
DANGER: Risk of electric shock. Risk of fire. Before making any connec-
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tions verify that the circuit breaker(s) are in the off position. Double-check
all wiring before applying power.
DANGER: Risk of electric shock. Risk of fire. Do not wire unused termi-
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nals or terminal blocks on the IQ Gateway.
Enphase customer support:
enphase.com/contact/support/
FCC Statement: This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference in a
residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interfer-
ence to radio communications. However, there is no guarantee that interference will
not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, you are encouraged
to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and the receiver.
- Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for com-
pliance may void the user's authority to operate the equipment.
This Class B digital apparatus complies with Industry Canada ICES-003.
WARNING: Risk of electric shock. To maintain the warranty,
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do not modify the dead-front other than to remove filler plates, as
needed.
WARNING: Before installing or using the IQ Combiner 5/5C, read all
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instructions and cautionary markings in the technical description and on
the equipment.
WARNING: Use the circuit breakers in the IQ Combiner 5/5C only for
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serving Enphase equipment. No other loads are allowed.
WARNING: This unit is not provided with a GFDI device. This inverter or
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charge controller must be used with an external GFDI device as required by
the Article 690 of the National Electrical Code for the installation location.
WARNING: The IQ Combiner 5/5C have a pre-installed heat shield at-
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tached to the enclosure door. Do not remove the heat shield.
WARNING: This product is intended for operation in an environment
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having a maximum ambient temperature of 46ºC (115ºF).
WARNING: BONDING BETWEEN CONDUIT CONNECTIONS IS NOT AUTO-
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MATIC AND MUST BE PROVIDED AS PART OF THE INSTALLATION.
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NOTE: Perform all wiring in accordance with all applicable local electrical
codes, with the Canadian Electrical Code, Part I, and with the National
Electrical Code (NEC), ANSI/NFPA 70.
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NOTE: Protection against lightning and resulting voltage surge must be in
accordance with local standards.
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NOTE: Using unapproved attachments or accessories could result in
damage or injury.
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NOTE: Install the IQ Combiner 5/5C in the field with 75°C or higher
copper conductors sized per local code requirements and voltage drop/
rise considerations.
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NOTE: Use Class 1 wiring methods for field wiring connections to terminals
of a Class 2 circuit. Use 14 to 6 AWG wire for branch circuits and 14 to 3
AWG for output circuits. Select the wire gauge used based on the protection
provided by the circuit breaker(s)/fuses. Overcurrent protection must be
installed as part of the system installation.
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NOTE: To ensure optimal reliability and to meet warranty requirements,
the IQ Combiner 5C and/or IQ Combiner 5 must be installed according to
the instructions in this guide.
Environmental protection
ELECTRONIC DEVICE: DO NOT THROW AWAY. Waste electrical prod-
ucts should not be disposed of with household waste. Refer to your
local codes for disposal requirements.
© 2023 Enphase Energy. All rights reserved. Enphase, the e and CC logos, IQ, and cer-
tain other marks listed at
https://enphase.com/trademark-usage-guidelines
marks of Enphase Energy, Inc. in the US and other countries. Data subject to change.
are trade-
Rev05/05-17-2023
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