If you need to connect the BACK-UP output, go to the next
8.
section. Otherwise, place the housing in its position and
secure it using the 4 screws included in the package.
Insert the relevant AC circuit breakers in between, as shown
9.
in the table below:
Circuit breaker (*)
Model
Without
With batt.
batt.
EQX2
4002-HT
4P 10 A C
4P 16 A C
curve
curve
EQX2
5002-HT
EQX2
4P 20 A C
6002-HT
curve
4P 16 A C
curve
EQX2
4P 25 A C
8002-HT
curve
EQX2
4P 20 A C
10002-HT
curve
4P 32 A C
curve
EQX2
4P 25 A C
12002-HT
curve
Tab. 17. AC circuit breakers.
Connect the other end of the hose to the AC circuit breaker in
10.
the junction box, downstream of the connection's IGA.
IGA
ICP
Fus.
SPD
Fig. 54. Connecting the inverter to the electrical panel.
USER MANUAL
Over-
Previous
Dif-
voltage
fuse. Max.
ferential
protec-
value
relay
tion
(1/phase)
4P 25 A
30 mA
Class A
Type II
40 kA
125 A gL
400 V TT
4P 32 A
30 mA
Class A
PIAs
Back-up
ID
ID
MCB
Inverter
5.3.5.3. Steps for connecting the AC BACK-UP
connector.
Remove the housing (item number 4) from its packaging (if not
1.
done in the previous On-Grid step).
According to Tab. 16 above, select an appropriate cable
2.
and pass it through the cable gland on the housing labelled
BACK-UP. A hole must be drilled in the rubber gasket to allow
the bundle to pass, as shown in the following sequence:
Cables Screw
cap
Remove the insulation sleeve from the AC bundle by about
3.
50 mm, and remove the insulation from the end of the L/N
cables by about 8 mm, as shown in Fig. 55.
Cable diameter: 12÷18 mm.
Fig. 55. Stripping the AC cable.
Remove the ferrules included in the accessory bag from the
4.
AC BACK-UP connector and crimp them to the stripped ends
of the R, S, T / N cables with an approved tool to ensure
optimal connection.
BACK-UP
BACK-UP
Cover
Insulation
8 mm.
50 mm.
EQX2 SOLAR INVERTERS CONNECTED TO THE GRID
79