Metering Considerations
The IQ Envoy includes a production CT and you may order two consumption CTs for consumption
monitoring. When installing CTs:
• Do not install the CTs in a panel where they exceed 75% of the wiring space of any cross-
sectional area within the panel, or refer to local standards for guidance.
To install the production CT
• Ensure there is sufficient room to install the production CT around line 1 of the solar PV
disconnect.
To install consumption CTs (order CT-200-SPLIT separately)
• For net consumption metering, ensure there is sufficient room to install both CTs around lines 1
and 2 from the main feeds.
• For total consumption metering, ensure there is sufficient room to install the CTs around the
lines that feed the consumption circuit.
Box Contents
Check the shipping box for the following items:
• Enphase IQ Envoy (look for the orange IQ logo)
• Solid-core production metering CT
• Length of DIN rail for mounting
• Ferrite bead to attach to your Ethernet Cable, if used
• Enphase IQ Envoy Quick Install Guide
Required Items
Install the IQ Envoy in a NRTL certified NEMA type 3R (or better) enclosure with conduit attachment when
installing outdoors. Do not drill holes on the top of the enclosure or anywhere that allows moisture ingress.
Metallic enclosures may impair Wi-Fi signal strength. Use an appropriately rated enclosure if installing
indoors.
Optional Items
Make sure you have the following optional items, if needed:
• If you plan to do consumption metering, you need two consumption metering split-core CTs
(order two CTs: Enphase CT-200-SPLIT)
• Decide which option to use for the Internet connection:
• Enphase Mobile Connect modem [order Enphase CELLMODEM-01 (3G) or CELLMODEM-
03 (4G)]
• Ethernet over power line communication (PLC) bridge with Ethernet cables (order
Enphase EPLC-01)
• Ethernet cable [802.3, Cat5E or Cat6, unshielded twisted pair (UTP)]. Do not use shielded
twisted pair (STP) cable.
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