Envertech EVT248 Quick Installation Guide
Components
Select The AC Bus Cable
The longitudinal
The transverse
Envertech EVT248 Microinverter Installation
Installation could only be implemented when
the system disconnected from the grid, and
the solar panel has been covered or
disconnected.
1.
Position Bus Cable
Please make sure that the microinverter connected in each branch are less than 20
sets.
2.
Fasten AC Bus Cable To The Rack
3.
Fix The Microinverter To The Rack
Fix the microinverter to the rack at the appropriate location of bus cable
connectors. You can mark the location of the bus cable connectors on the rack.
4.
Grounding
Both PV modules and microinverters should be connected to the ground according to
the regulation of safety.
Notice: T-connector of bus cable should be located within the range of the
microinverter
5.
Connect The AC Cable
A. Remove the AC trunk plug caps from bus cable connectors
and connect microinverters;
B. Fitting the plug caps to unused connectors to keep them
water tight.
6.
Seal The Cutting End Of AC Bus Cable
A. Remove the cover of wire for 25mm;
B. Check if all the parts of connector are inside. Screw the nuts
on the cable, set the lock ring and seal ring at the wire end;
C. Plug the sealed wire end into the hole to isolate each wire
with others;
D. Screw the nut to the seal ring with torque of 2.5 Nm.
7.
Connect The Trunk Cable To The Junction Box
8.
Mount EnverBridge
9.
Prepare AC Extension Cable
You can order AC Extension Cable from Envertech, or from any other stores. 25mm
2
or 44mm
2
cable suggested
.
A.
Remove the external cover of cable by y=40mm and cover of wire by
x=14mm. Set the metal connector on the wire and clamp to fix the
connection;
B.
Connect the extension cable to the junction box;
A
B
C
D
Three wires cable:
Live wire (Brown)
Neutral wire (Blue)
P/E wire (Green & Yellow)
Distance between T-
connector is 1.05m(41”),
2.1m (83”)
Three wires cable. To
connect the AC junction box
to the grid. Three wires
cable: 2.5mm
2
-4mm
2
To protect the unused T-
Connector of bus cable
To Protect the end cut of
bus cable
To unplug the branch
cable from the T-
Connector and bus cable.
Please read and follow the
safety andinstallation instructions belo
w. You can find
and download this instructions or
other technical documents on our web
site:
http://www.envertec.com
or call us by: 400-666-5819
http://www.envertecportal.com
EnverPortal
EnverBridge
EVT248
Microinverter
AC Bus
Cable
AC Extension
Cable (Optional)
AC Trunk
Plug Cap
AC Trunk
End Cap
AC Trunk
Unlock Tool
Run AC bus cable along
the racking system
Fix the microinverters
on the back side of panel
to avoid sunlight and rain
(Keep the logo face down)
ENVERTECH
ENVERTECH
Use screw(M6) to fix the
ground cable terminal at
the grounding mark of
microinverter
Connect the trunk cable to
the AC junction box
Fasten AC bus cable and
ground cable to the rack
with cable ties
Option 1: Fix EnverBridge in the house
distribution box
1. (Dangerous !) Turn off the air switch and
connect the socket. This operation should be
done under the instructions 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. Set RJ45 cable through the
water proof connect or and connect it to the
EnverBridge. Close the cover and recheck if
it’s completely sealed
；
4. Run the RJ45 cableand connect it to your
router5.Plug the EnverBridge on the
socket
；
Option 2: Fix EnverBridge inside the house
1. Open the cover on the right side of
EnverBridge. Set RJ45 cable through the
water proof connect or and connect it to the
EnverBridge. 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. (Dangerous !) Turn off the air switch and
connect the EnverBridge to it. This operation
should be done under the instructions of
professionals
；
Option 3: Mount Enverbridge outside of the
house
1. Open the cover on the right side of
EnverBridge. Set RJ45 cable through the
water proof connector and connect it to the
EnverBridge. Close the cover and recheck if
it’s completely sealed
；
2. Run the RJ45 cable and connect it to your
router
；
3. Fix the EnverBridge on the rack (Refer to
the installation of Microinverter)
；
4.Connect the power cable to the T-
Connector of trunk cable
；
ENVERTECH
ENVERTECH
1.05m
ENVERTECH
1.05m
To install the AC bus cable, you just simply unroll the cable to the needed length
to make the cut. Directly connect the AC bus cable to the junction box of the
branch. Seal the other cutting end with the end cap to make it isolated from the
environment. You should choose the type of AC bus cable according to the
orientation of PV module. We suggest the following type of cable:
ENVERTECH
2.1m
ENVERTECH
ENVERTECH
2.1m
Cable tie
Monitoring Device
A
B
