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