Enphase IQ System Controller 2 install guide
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IQ System Controller 2 Quick Install Guide
WARNING: Risk of equipment damage. IQ System Controller 2 is shipped
and stored on its back. The upright position is only needed when installed.
WARNING: You must install the IQ System Controller 2 only on a suitable
wall using an Enphase wall-mount bracket.
WARNING: Before installing or using the IQ System Controller 2, read all
instructions and cautionary markings in this guide and on the equipment.
WARNING: Do not install or use the IQ System Controller 2 if it has been
damaged in any way.
WARNING: Do not sit on, step on, place objects on, or insert objects into
the IQ System Controller 2.
WARNING: Do not place beverages or liquid containers on top of the IQ
System Controller 2. Do not expose the IQ System Controller 2 to ooding.
NOTE: Perform installation and wiring, including protection against
lightning and resulting voltage surge, in accordance with all applicable
local electrical codes and standards.
NOTE: Because IQ Battery is grid forming, you must install signage in
accordance with NEC articles 705, 706, and 710.
NOTE: Using unapproved attachments or accessories could result in
damage or injury.
NOTE: Install properly rated over current protection as part of the system
installation.
NOTE: To ensure optimal reliability and to meet warranty requirements, the
IQ System Controller 2 must be installed and/or stored according to the
instructions in this guide.
NOTE: The IQ System Controller 2 is compatible only with the IQ Combiner
4/4C tted with USB hub, USB radios, and production and Consumption/
PCS CTs. The IQ Combiner with the IQ Gateway inside is required for
operation of the IQ System Controller 2. Earlier versions of the Enphase IQ
Gateway communications gateway are incompatible.
NOTE: The Enphase IQ System Controller 2 is intended to operate with
an Internet connection through the IQ Gateway. Failure to maintain an
Internet connection may have an impact on the warranty. See Limited
Warranty for full terms and services (enphase.com/warranty).
NOTE: When replacing an Enphase IQ System Controller 2, you must
replace it with an IQ System Controller 2 of the same type, with the same
AC current rating.
NOTE: Properly mount the IQ System Controller 2. Ensure that the
mounting location is structurally suited to bearing the weight of the IQ
System Controller 2.
NOTE: During use, storage, and transport, keep the IQ System Controller 2:
• Properly ventilated
• Away from water, other liquids, heat, sparks, and direct sunlight
• Away from excessive dust, corrosive and explosive gases, and oil
smoke
• Away from direct exposure to gas exhaust, such as from motor
vehicles
• Away from falling or moving objects, including motor vehicles. If
mounted in the path of a motor vehicle, we recommend a 91cm (36-
inch) minimum mounting height
• In a location compliant with re safety regulations
• In a location compliant with local building codes and standards
NOTE: IQ System Controller 2 is not suitable for use as service equipment
in Canada.
Safety
IMPORTANT SAFETY INSTRUCTIONS. SAVE THESE INSTRUCTIONS. This guide contains important instructions that you must follow during
installation and maintenance of the Enphase IQ System Controller 2. Failing to follow any of these instructions may void the warranty
(enphase.com/warranty).
In Case of Fire or Other Emergency
In all cases:
• If safe to do so, switch o the AC breaker for the IQ System Controller 2
circuit, and if an isolator switch is present, switch o the AC isolator for the
IQ System Controller 2 circuit.
• Contact the re department or other required emergency response team.
• Evacuate the area.
In case of re:
• When safe, use a re extinguisher. Suitable types are A, B, and C dry
chemical re extinguishers. Additional extinguishing media include carbon
dioxide, or alcohol-resistant foams.
In case of ooding:
• Stay out of water if any part of the IQ System Controller 2 or wiring is
submerged.
• If possible, protect the system by nding and stopping the source of the
water, and pumping it away.
• If water has contacted the UNIT, call your installer to arrange a inspection.
If you are sure that water has never contacted the battery, let the area dry
completely before use.
In case of unusual noise, smell or smoke:
• Ensure nothing is in contact with the IQ System Controller 2 or in the
venting area on top of the IQ System Controller 2.
• Ventilate the room.
• Contact Enphase Customer Support at enphase.com/en-us/support/
contact.
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.
Safety Instructions
DANGER: Risk of electric shock. Risk of re. Only qualied electricians
should install, troubleshoot, or replace the IQ System Controller 2.
DANGER: Risk of electric shock. Risk of re. Do not attempt to repair the IQ
System Controller 2. Tampering with or opening the IQ System Controller 2
will void the warranty. If the IQ System Controller 2 fails, contact Enphase
Customer Support for assistance at enphase.com/en-us/support/
contact.
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. Do not install the IQ System Controller
2 without rst removing AC power from the photovoltaic system
and ensuring that the DC switch on the Enphase IQ Batteries are o.
Disconnect the power coming from the photovoltaics and ensure that the
DC switch on the IQ Battery batteries are o before servicing or installing.
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.
DANGER: Risk of re. Do not allow or place ammable, sparking, or
explosive items near the IQ System Controller 2.
DANGER: Risk of electric shock. In areas where ooding is possible, install
the IQ System Controller 2 at a height that prevents water ingress.
Environmental Protection
ELECTRONIC DEVICE: DO NOT THROW AWAY. Waste electricalproducts
should not be disposed of with household waste. Refer to your local
codes for disposal requirements.