IQ Load Controller Installation
RMA instructions for the load control box
A ) Enphase Store provides an option for a 30 days no questions asked
return. This policy is applicable for the load control box as well. Reach
out to Enphase Support [at https://support.enphase.com/s/contact-us]
within this time to return the load control box.
B ) Enphase will provide a standard warranty of 5 years from the date of
purchase only on the following items present in the box:
o Power Supply
o Contactors
o Box internal din rail
No warranty is applicable on any other items present in the box.
C ) If you are seeking a replacement for a failed part withing the warranty
period, please write to Enphase Support [at https://support.enphase.
com/s/contact-us]. Once your request has been approved, you will
receive a mail with a digital copy of a FedEx label. You can place the
failed part in any standard box(or bag), apply the FedEx label provided
and drop it at the nearest FedEx facility or ask FedEx for a site pickup.
D ) Upon receipt of the defective part, Enphase will ship a new replacement
part to the provided address.
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
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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 risk of electric shock. Do not install the IQ Load Controller without
rst removing AC power from the Enphase System.
+
DANGER: Risk of electric shock. Risk of re. Only qualied personnel should
troubleshoot, install, or replace the IQ Load Controller.
+
DANGER: Risk of electric shock. Improper servicing of the IQ Load Controller
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.
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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: Appliances connected to controlled branch circuits can experience
unintended starts. Ensure appliances are turned off per manufacturer
instructions before servicing.
+
DANGER: Product not suitable for Loads that provide emergency/safety
functions, medical critical loads, or required emergency egress.
*
WARNING: This product is intended for operation in an environment having a
temperature range of -25 to 40
º C.
*
WARNING: Before installing or using the IQ Load Controller, read all instruc-
tions and cautionary markings in the technical description/guide and on the
equipment.
*
WARNING: Non-metallic enclosure does not provide bonding between con-
duit connections. Use grounding type bushings and jumper wires.
*
WARNING: Disconnect all sources of supply before servicing.
✓
NOTE: Perform all wiring in accordance with all applicable local electrical
codes, with the Canadian Electrical Code, Part I, and with the National Electri-
cal Code (NEC), ANSI/NFPA 70.
✓
NOTE: Protection against lightning and resulting voltage surge must be in
accordance with local standards.
✓
NOTE: Using unapproved attachments or accessories could result in dam-
age or injury.
✓
NOTE: To ensure optimal reliability and to meet warranty requirements, the
Enphase IQ Load Controller must be installed according to the instructions
in this manual.
SAFETY
IMPORTANT SAFETY INSTRUCTIONS. SAVE THESE INSTRUCTIONS. This guide contains important instructions that you must follow during installation
and maintenance of the Enphase IQ Load Controller. Failing to follow any of these instructions may void the warranty (enphase.com/warranty).
Safety Instructions, continued
Enphase Customer Support: enphase.com/en-us/support/contact
Environmental Protection
ELECTRONIC DEVICE: DO NOT THROW AWAY. Waste elec-
trical products should not be disposed of with household
waste. Refer to your local codes for disposal requirements.
D ) Connect the AC lines of the Contactors
Once the above test has successfully been performed, complete the
circuit by following the below steps:
1) Connect the 2 wires from L1 & L3 of the contactors to a double
pole breaker on the combiner.
2) Connect the 2 wires from T1 & T3 of the contactor to the PV.
Contactor wiring diagram for PV shedding