Enphase ET-DISC-001 Cable Disconnect Tool, 1 count
The Enphase M215 Microinverter is Enphase's most powerful and efficient model yet. This grid-tied microinverter is compatible with most 60-cell PV modules (up to 260W) and installs quickly and easily. It works with both three-phase 208 Vac or single-phase 240 Vac services in North America; voltage is determined by cable type.
The Cabling System is flexible enough to adapt to almost any solar design. To determine the length and cable type that you need, take into account the following considerations:
The number of Enphase Microinverters to be installed on the AC branch. Be certain to allocate the correct number of connectors, including extra connectors for gaps and turns.
Additional length required to reach from the AC branch circuit junction box to the first microinverter. If greater than half a connector cable interval is needed, it may be necessary to include one (or more) unused connectors in order to span this distance. Unused connectors must be covered with Enphase watertight sealing caps.
Additional length required to reach from one row of PV modules to the next. If the PV modules are laid out in multiple rows, the distance from one row to the next often requires additional cabling length.
Bend radius. When planning cabling turns or loops, you must account for a minimum bend radius of 6.7 cm (2.625").
Multiple sub-arrays. Often, the AC branch circuit may be composed of several smaller sub-arrays across more than one roof plane. In this case, the cable is cut to service each smaller array, and the sub-arrays are connected together using appropriately rated runs of conduit. The transition from cable to conduit is accomplished using an outdoor rated junction box, as required by the NEC and local code. Unused connectors must be covered with Enphase watertight sealing caps.
Mixture of PV modules in both portrait and landscape installation. Often, PV installations use modules installed in mixed orientation (both portrait and landscape mode). In this case there are three choices for cabling:
1. Cabling with 1.025 meter spacing between connectors results in cleanest install for the modules in portrait mode. For modules placed in landscape mode, plan for an unused connector between each PV module to achieve the required additional distance. Unused connectors must be covered with Enphase watertight sealing caps.
2. Cabling with 1.7 meter spacing between connectors results in cleanest install for the modules in landscape mode, but requires that any additional cable length between PV modules in portrait mode be coiled and dressed so that cabling does not contact the roof. Again, unused connectors must be covered with Enphase watertight sealing caps.
3. Another solution when modules are installed in mixed orientation is to transition between 1.025 and 1.7 meter spacing cable options using an outdoor rated junction box. This junction box can be installed to the PV module railing.
Enphase M215 Microinverter Installation Planning:
Enphase M215 Installation Video:
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