Envertech EVT300 Quick Installation Guide
Please read and follow the safety and installation
instructions below. You can find and download the
instructions or other technical documents on our
website:
Components
Microinverter
Monitoring Device
EnverPortal
EVT300
EnverBridge
PV
Module
60-cell / 72-cell module
AC
Extension
Cable
(Optional)
To connect the AC side to
the grid.
Three-wire cable:
AWG12 or above.
AC End
Cap
To seal the end of
unused AC cable.
Envertech EVT 300 Microinverter Installation
1.
Mount microinverters onto the rack
Mark out the estimated center of each PV module on the rack to facilitate locating
microinverters..
Mount all microinvertes under modules to avoid rain and sun, with the trademark
facing downward.
Please make sure that there are less than 20 units of EVT300 in each
branch(12AWG).
2.
Grounding
Microinverters and modules must be connected to the grounding conductor in
accordance with national standards.
Fix the grounding wire with screws to the microinverter’s grounding hole, so that the
grounding of microinverters can be realized.
3.
Connect microinverter AC cables serially
Connect the AC connectors on both sides of microinverters in a hand-in-hand way.
4.
Fastern AC cables
Fasten AC cables and grounding cables to the rack with cable ties.
5. Seal the unused connector of AC cable
Insert the end cap directly into the connector on the unused end, and check if it is
inserted in place.
6. Connect AC cable to the junction box
Connect AC cable to the input of the junction box.
7. Mount EnverBridge
Option 1: Indoor installation
（
I
）
1. Turn off the air switch and connect
EnverBridge to the socket. This
operation should be done under the
instruction of professionals.
2. Fix EnverBridge at proper position in
or close to the distribution box
；
3. Open the cover on the right side of
EnverBridge.
Run the
RJ45 cable
through the waterproof connector and
connect it to the network input. Close
the cover and recheck if it’s completely
sealed
；
4. Run the RJ45 cable and connect the
other side to your router;
5. Put the EnverBridge plug into the
socket.
Option 2: Indoor installation
（
II
）
1. Open the cover on the right side of
EnverBridge.
Run the
RJ45 cable
through the water proof connector and
connect it to he network input. Close the
cover and recheck if it ’ s completely
sealed;
2. Run the RJ45 cable and connect it to
your router;
3. Fix EnverBridge at proper position in
or close to the distribution box;
4. Turn off the air switch and connect
EnverBridge ’ s power cable to the air
switch.
This operation should be done under the
instruction of professionals.
8.
Prepare AC extension cable
1
）
Remove the skin of the two ends of the extension cable by y=40mm and remove
the skin of internal wires by x=14mm. Set the metal terminals onto the open parts
and clamp them to tighten the connection;
Y=40mmR
Y=14mmR
2
）
Connect one side of the extension cable to the junction box;
3
）
Connect the other side of the extension cable to the air switch.
Installation could only be implemented when the system is
disconnected from the grid, and the solar panel has been covered
or disconnected.
