IQ Load Controller Manual

Tech Brief – Bill of Materials to Use Load Control
2 © 2021 Enphase Energy Inc. All rights reserved. May 21, 2021
Bill of Materials to Use Load Control
USING THIS DOCUMENT
This document shows 3 of the options for the Ensemble Contactor Box that can be used to shed PV
Circuits or Home Loads.
BEST PRACTICES: Before going to the job site complete these steps from the office
• To ensure a consistent installation process and predictable installations times, make sure to
ensemble the system contactor box at the warehouse, before going to the job site.
• Have sufficient inventory to build enough boxes for several projects at a time.
• Bring spare parts to the job site, including Fuses, Contactors and Transformers.
• Time to Assemble and install the Box on Site: 1hr.
• Time to install the Pre-Assemble Box on site: 30 min
Load Control Type
Bill of Materials
Item
Qty
Description
Excess Solar or Load
Shedding for (1) 20A
Circuit
Control transformer
1
Endurance Pro EP4031OF 24V 40VA
Fuse Retainer
1
Bussmann BP/HMK-RP fuse holder
Fuse
1
NTC 74-6SG1A-C 1A 250V glass fuse
Contactor
1
Eaton C25BNB220T 20A
Box
1
Gratury Junction Box, Hinged Cover Stainless Steel Clip IP67
Waterproof Plastic Enclosure for Electrical Project Includes
Mounting Plate and Wall Bracket 290×190×140mm
(11.4"×7.5"×5.5")
Quick Disconnects/Fast
on Terminals/Receptacle
lug (required for
contactors without screw
on terminals)
1
PIDG, Quick Disconnects, Receptacle, 22 – 18AWG Wire Size
TE Internal #: 640911-1
Excess Solar or load
Shedding for (2) 30A
Circuit
Control transformer
1
Fiada B07RDBS6NK
Fuse Retainer
2
Eaton BP/HMK-RP fuse holder
Fuse
2
Eaton BP-AGC-1-RP 250 V glass fuse
Contactor
2
Square D 8910DP32V14 30A
Box
1
Gratury Junction Box, Hinged Cover Stainless Steel Clip IP67
Waterproof Plastic Enclosure for Electrical Project Includes
Mounting Plate and Wall Bracket 290×190×140mm
(11.4"×7.5"×5.5")
Quick Disconnects/Fast
on Terminals/Receptacle
lug (required for
contactors without
screw-on terminals)
1
PIDG, Quick Disconnects, Receptacle, 22 – 18AWG Wire Size
TE Internal #: 640911-1
Excess Solar or Load
Shedding for (1) 60A
Circuit
Control transformer
1
Fiada B07RDBS6NK
Fuse Retainer
1
Littelfuse Universal Fuse Retainer Part No: 150145
Fuse
1
NTC 74-6SG1A-C 1 A 250V glass fuse
Contactor
1
Square D 8910DPA63V14 60 A
Box
1
6X6 PVC box rated for outdoor use (NEMA 3R or better) (Carlon
junction box, for example)