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enphase IQ System Controller 3M Quick Install Manual
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enphase IQ System Controller 3M Quick Install Manual

enphase IQ System Controller 3M Quick Install Manual

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IQ System Controller 3M
Quick install guide
Sca n t he QR code for th e
late st q ui ck i nst all g uide
V ERS I O N 2 .0
N OVE MB ER 2024
IQ System Controller 3M quick install guide
1

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Summary of Contents for enphase IQ System Controller 3M

  • Page 1 Quick install guide Sca n t he QR code for th e late st q ui ck i nst all g uide V ERS I O N 2 .0 N OVE MB ER 2024 IQ System Controller 3M quick install guide...
  • Page 2 IQ System Controller 3M is not interchangeable with IQ System Controller 3 and IQ System Controller 3G in the field. The IQ System Controller 3M supports one PV and one IQ Battery 5P port. It supports additional IQ Battery 5P or PV on the third DER port.
  • Page 3 Table of contents Full Energy Independence configuration Section C Whole home backup with IQ System Controller 3M Wiring Drill conduits DER wiring Compatibility Aux wiring: System Shutdown Switch Specifications Aux wiring: IQ Load Controller Electrical specifications Main/supply side wiring Mechanical specifications...
  • Page 4 NOTE: The System Shutdown Switch is not used for IQ6 and IQ7 Series NOTE: This figure shows the system configuration. systems. Refer to the System Shutdown wiring section for details. For wiring, follow the details in the wiring section. IQ System Controller 3M quick install guide...
  • Page 5 The existing Production CT in the IQ Combiner 5/5C, IQ Combiner 4/4C, or IQ Gateway can also be extended into the IQ System Controller 3M and used to capture L1 lines of PV landing on the PV and the DER port.
  • Page 6 Breaker rating (pre-installed) 40 A between L2 and Neutral Continuous rated power 3,600 VA Maximum continuous unbalanced current 30 A @ 120 V Peak unbalanced current 80 A @ 120 V for two seconds IQ System Controller 3M quick install guide...
  • Page 7 -40°C to 50°C (-40°F to 122°F) Maximum altitude 2,500 meters (8,200 feet) Enclosure type 3R or rainproof For conduit hubs, use only UL Listed raintight or wet location hubs of type 3R for entry into the enclosure. IQ System Controller 3M quick install guide...
  • Page 8 — Feed-through header with Cable Assy Header System Shutdown feed-through Cable assembly Enpower 200G R2 header with cable assembly Labels required as per NEC NEC Labels for Rapid Shutdown Label for Rapid Shutdown IQ System Controller 3M quick install guide...
  • Page 9 As required Provided by installer on attaching wall) for each wall-mount bracket Control wire As required Distribution/Enphase Store** ** Enphase SKU for control cable: CTRL-SC3-NA-01 WARNING: Do not use power tools for electrical connections. IQ System Controller 3M quick install guide...
  • Page 10 It is safe to install the IQ System Controller in direct sunlight. The product is designed to operate at an ambient temperature of -40°C to 50°C, even under direct sunlight. Extended exposure to direct sunlight in higher ambient temperature conditions may cause the internal breakers to trip when operating at full load. IQ System Controller 3M quick install guide...
  • Page 11 Follow all local standards and regulations related to mounting an IQ System Controller. 6 i n 6 i n 6 i n 3 6 i 1 9 . 7 9 . 7 NOTE: Follow all local standards and regulations related to mounting. IQ System Controller 3M quick install guide...
  • Page 12 IQ System Controller is fully seated in the wall-mount bracket requirements. Use an appropriately sized washer for each of the shelf. screws. Torque (0.5 N m/ 4.42 lb.in) Provided in the accessory kit IQ System Controller 3M quick install guide...
  • Page 13 The product warranty can be affected in case of modification. The ground connection to the dead front needs to Phillips screw #2 be carefully disconnected before the dead front can be dismantled from the IQ System Controller. IQ System Controller 3M quick install guide...
  • Page 14 Mounting the breakers Internal view of IQ System Controller 3M The following figure shows the IQ System Controller 3M after the dead front is removed. It comes with an inbuilt neutral forming transformer, microgrid interconnection device, and a panel board to mount plug-in type breakers.
  • Page 15 Section B - Mounting the breakers Breakers for IQ8 Systems The IQ System Controller 3M comes pre-installed with a quad breaker for the neutral forming transformer (NFT) and IQ Gateway. The hold-down kit for the breakers is factory-installed in the IQ System Controller 3M.
  • Page 16 Eaton’s installation manual for recommendations Torx - T20 13.3 lb.in Screw part of the Eaton breaker kit WARNING: Tighten the Hex nut and recheck the torque before every wire installation. IQ System Controller 3M quick install guide...
  • Page 17 Section B - Mounting the breakers Breaker for NFT and IQ Gateway The IQ System Controller 3M comes pre-installed with a quad breaker (Siemens or Eaton) for the neutral forming transformer (NFT) and IQ Gateway. Siemens breaker NFT pre-wired to 40 A terminal of the quad breaker.
  • Page 18 * The recommendation is applicable for 200 A-rated wire with a bending radius as per NEC codes. NOTE: Drilling on the rear wall of the IQ System Controller for conduit entry is not supported. IQ System Controller 3M quick install guide...
  • Page 19 AW G TO R Q U E ( L B . I N ) 6–8 Neutral and ground bar – small holes 14–10 10–14 #10-32 UNF Neutral lugs 300 kcmil–6 4–6 " 2–3 IQ System Controller 3M quick install guide...
  • Page 20 NOTE: Control lines to headers support 28 AWG and 16 AWG wire gauges. NOTE: Do not use cables more than 20 ft. long for connections between the System Shutdown Switch and the System Shutdown header. IQ System Controller 3M quick install guide...
  • Page 21 NOTE: An improved SSD header kit allows for the co-location of SSD wiring and AC power conductors in a single conduit, eliminating the need for separate conduits. WARNING: To prevent water ingress, do not use the top conduit entry on System Shutdown Switch. IQ System Controller 3M quick install guide...
  • Page 22 Aux wiring: System Shutdown Switch IQ System Controller 3M units may get stuck in a system shutdown or rapid shutdown state, preventing system provisioning. Either follow the wiring tests for the SSD Switch in the ON position or the wiring tests for the SSD Switch in the OFF position.
  • Page 23 3 and 4 at the SSD Switch • 3 and 4 at the SSD header The multimeter should show a value between 2.7 VDC to 3.3 VDC in all cases. Verify the connections and rewire them if needed. IQ System Controller 3M quick install guide...
  • Page 24 For detailed wiring instructions, refer to the IQ Load Controller quick install guide. Do not use NOTE: Control lines to headers support 28 AWG and 16 AWG wire gauges. IQ System Controller 3M quick install guide...
  • Page 25 10–14 6–8 Neutral and ground bar – small holes 10–14 #10–32 UNF Neutral lugs 300 kcmil–6 " WARNING: Tighten the Hex nut and recheck the torque (48 lb. in) before every wire installation. IQ System Controller 3M quick install guide...
  • Page 26 (L2) • Battery CT shall be placed on L2 of all IQ Battery circuits. • If using CT-200-SPLIT as the Consumption CT, ensure the CT has a “Service Entrance Rated” label on it. IQ System Controller 3M quick install guide...
  • Page 27 Scenario 1: CT wiring for IQ Battery on both IQ Battery and DER ports Power IQ Gateway position from 20 A Terminals of the Quad breaker at NFT & IQ Gate- way position. (NFT pre-wired to 4 A terminals of the Quad breaker). IQ System Controller 3M quick install guide...
  • Page 28 Scenario 2: CT wiring for PV on both IQ Combiner and DER ports When Production CT is added to capture L1 lines of PV landing on both the IQ Combiner port and DER port in IQ System Controller 3M or when the Production CT in the IQ Combiner is extended to L1 wires of PV on both the IQ Combiner port and DER port.
  • Page 29 NOTE: The control cable required for IQ Battery 5P, wired control network. Use a control cable of length of IQ Combiner 5/5C, and IQ System Controller 3M must be 40 inches plus a conduit length on each side. compliant with UL 3003, UL 1277, and UL 83 standards.
  • Page 30 Enphase CTRL cable, that is, CTRL-SC3-NA-01. The following are the common wiring sequences: Sequence 1: IQ Combiner 5/5C → IQ Battery(s) 5P → IQ System Controller 3M → IQ Meter Collar Always wire IQ Meter Collar to top connector of...
  • Page 31 Section C - Wiring Sequence 2: IQ Battery 5P → IQ Combiner 5/5C → IQ System Controller 3M → IQ Meter Collar Always wire IQ Meter Collar to top connector of IQ System Controller 3M since it contains 24 V source...
  • Page 32 (time of use) with optimization. Battery export-only mode allows Enphase IQ Battery 5P to export to the grid but ensures it never imports from the grid. Homeowners can benefit from a lower payback period by storing excess PV power during off-peak hours and discharging the stored energy to the grid during the time when it is most beneficial to the homeowner based on the import and export tariff rates.
  • Page 33 Section D - Power Control System (PCS) Setting up PCS on-site during commissioning Ensure the availability of the following Enphase products as required on-site to implement PCS. P R O D U C T S K U IQ System Controller 3M...
  • Page 34 ORY). EACH LABEL MUST BE MARKED WITH VENDOR’S MARK AS DEFINED IN THE CSA LIST OF Use the site configurations section in the Enphase Installer App to define the PCS settings for the site. TYPE NAMEPLATES. THE SMALLEST SHIPPING PACKAGE MUST BE MARKED WITH SUPPLIER’S 19MAY24 ATION.
  • Page 35 If you plan to commission the system, follow the instructions ensure that the DC switches on all IQ Batteries are turned in the Enphase Installer App to provision and energize the off to avoid the depletion of charge on the IQ Batteries.
  • Page 36 Safety IMPORTANT SAFETY INSTRUCTIONS. SAVE THESE INSTRUCTIONS. This guide contains important instructions that you must follow during the installation and maintenance of the IQ System Controller 3M. Failing to follow any of these instructions may void the warranty (enphase.com/warranty). In case of fire or other emergency WARNING: Risk of equipment damage.
  • Page 37 4.0/35 10–14 AWG Neutral and ground bars 2.8/25 6–8 AWG small holes (10–32 UNF) 75°C 1.7/15 10–14 AWG CTRL cable 0.2/1.77 18 AWG — 75°C NOTE: Use copper wire only except where indicated. IQ System Controller 3M quick install guide...
  • Page 38 The IQ System Controller 3M is typically not used as a service entrance. However, If the IQ System Controller 3M is being tapped on the grid side of the main panel, then, 1. Connect a suitable system-bonding jumper between the neutral and ground bars.
  • Page 39 R E V I S I O N D AT E D E S C R I P T I O N 14-00404-02 November 2024 Added Addendum B. 14-00404-01 August 2024 Initial release. IQ System Controller 3M quick install guide...
  • Page 40 IQSC-3M-QIG-140-00404-02-EN-US-2024-11-25 © 2024 Enphase Energy. All rights reserved. Enphase, the e and CC logos, IQ, and certain other marks listed at https:/ /enphase.com/trademark-usage-guidelines are trademarks of Enphase Energy, Inc. in the U.S. and other countries. Data subject to change. IQ System Controller 3M quick install guide...