IQ Combiner 5/5C Quick Install Guide53
Safety and advisory symbols
DANGER: This indicates a hazardous situation, which, if not avoided, will result in
death or serious injury.
WARNING: This indicates a situation where failure to follow instructions may be a
safety hazard or cause equipment malfunction. Use extreme caution and follow
instructions carefully.
NOTE: This indicates information particularly important for optimal system
operation. Follow instructions carefully.
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
interference 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 o 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 dierent from that
to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Changes or modications not expressly approved by the party responsible for
compliance may void the user’s authority to operate the equipment.
This Class B digital apparatus complies with Industry Canada ICES-003.
Safety (all models)
IMPORTANT SAFETY INSTRUCTIONS. SAVE THESE INSTRUCTIONS.
Follow these important instructions during the installation and
maintenance of the IQCombiner5/5C.
Environmental protection
ELECTRONIC DEVICE: DO NOT THROW AWAY. Waste electrical
products should not be disposed of with household waste. Refer to
your local codes for disposal requirements.
Enphase Support: https://enphase.com/contact/support
Safety instructions
DANGER: Risk of electric shock. Risk of re. Do not attempt to repair the
IQCombiner5/5C; it contains no user-serviceable parts. Tampering with the
IQCombiner5/5C will void the warranty. If the IQCombiner5/5C fails, contact
Enphase Support for assistance (enphase.com/en-us/support/contact).
DANGER: Risk of electrocution! Do not install CTs when current ows 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 manner not
specied 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 equipment
includes the risk of electric shock. Do not install the IQCombiner5/5C without
rst 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 re. Only qualied personnel should
troubleshoot, install, or replace the IQCombiner5/5C.
DANGER: Risk of electric shock. Improper servicing of the IQCombiner5/5C or
its components may result in a risk of shock, re, or explosion. To reduce these
risks, disconnect all wiring before attempting any maintenance or cleaning.
DANGER: Risk of electric shock. Always de-energize the AC branch circuit 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 re. Only use electrical system
components approved for wet locations.
DANGER: Risk of electric shock. Risk of re. Ensure that all wiring is correct and
that none of the wires are pinched or damaged.
DANGER: Risk of electric shock. Risk of re. Do not work alone. Someone 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, bracelets, necklaces, watches,
etc., when working with batteries, photovoltaic modules, or other electrical
equipment.
DANGER: Risk of electric shock. Risk of re. Before making any connections,
verify that the circuit breaker(s) are in the o position. Double-check all wiring
before applying power.
DANGER: Risk of electric shock. Risk of re. Do not wire unused terminals or
terminal blocks on the IQCombiner5/5C.
WARNING: Risk of electric shock. To maintain the warranty,
do not modify the dead front other than to remove ller plates, as needed.
WARNING: Before installing or using the IQCombiner5/5C, read all instructions
and cautionary markings in the technical description and on the equipment.
WARNING: Use the circuit breakers in the IQCombiner5/5C only for serving
Enphase equipment. No other loads are allowed.
WARNING: This unit is not provided with a GFDI device. This inverter or
charge controller must be used with an external GFDI device as required by
Article 690 of the National Electrical Code for the installation location.
WARNING: The IQCombiner5/5C has a pre-installed heat shield attached to
the enclosure door. Do not remove the heat shield.
WARNING: This product is intended for operation in an environment having a
maximum ambient temperature of 46°C (115°F).
WARNING: Bonding between conduit connections is not automatic and must
be provided as part of the installation.
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.
NOTE: Protection against lightning and resulting voltage surges must be in
accordance with local standards.
NOTE: Using unapproved attachments or accessories could result in damage
or injury.
NOTE: Install the IQCombiner5/5C in the eld with 75°C or higher copper
conductors sized per local code requirements and voltage drop/rise
considerations.
NOTE: Use Class 1 wiring methods for eld wiring connections to terminals
of a Class 2 circuit. Use 14 to 6 AWG wires 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.
NOTE: To ensure optimal reliability and to meet warranty requirements, the
IQCombiner 5C and/or IQCombiner 5 must be installed according to the
instructions in this guide.
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