YC500I Installation/User Manual
9
Installation Procedures
Step 1 - Position the AC bus cable
Step 2 - Install the AC branch circuit junction box
Figure 2
a. Install an appropriate junction box at a suitable location on the PV
racking system ((typically at the end of a branch of modules).
b. Connect the open wire end of the AC bus cable into the junction
box using an appropriate gland or strain relief fitting.
c. Wire the conductors
of the AC bus
: L - BROWN; N - BLUE; PE - YELLOW GREEN.
d. Connect the AC branch circuit junction box to the point of utility
Interconnection.
WARNING:
Wiring colour code can be different according local regulation,
check all the wires of the installation before connecting to the AC bus to be
sure they match.Wrong cabling can damage irreparably the microinverters,
such an issue is not covered by the warranty.
Step 3 - Attach the APsystems Microinverters to the racking or the PV
module frame
a. Mark the location of the Microinverter on the rack, with respect to
the PV module junction box or any other obstructions.
b. Mount one Microinverter at each of these locations using hardware
recommended by your module racking vendor.
Option 1:
A
B
Figure 3
Option 2:
Figure 4
M8
M8
(not supplied by APsystems)