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Remove the AC BACK-UP connector from the accessory bag.
5.
Insert the ends of the four cables into the corresponding
6.
holes on the connector: cables for phases R, S, T into the R,
S, T ports and neutral into the N port. Make sure the cables
reach the back of the connector and screw them in tightly. Pull
slightly on the cable to check that it is properly connected.
Connect the AC BACK-UP connector to the AC BACK-UP
7.
terminal on the inverter, as shown in Fig. 56 below:
Fig. 56. AC BACK-UP connection.
for the critical BACK-UP loads.
Fig. 57. Complete diagram of the AC BACK-UP connections.
80
Inverter
Place the housing in its position and secure it using the
8.
4 screws included in the package.
Insert the relevant AC circuit breakers in between, as shown
9.
in the table below:
Thermal-
magnetic
Model
ferential
circuit
breaker
EQX2 4002-HT
4P 10 A C
curve
EQX2 5002-HT
EQX2 6002-HT
4P 16 A C
curve
EQX2 8002-HT
4P 20 A C
EQX2 10002-HT
curve
4P 25 A C
EQX2 12002-HT
curve
Tab. 18. AC circuit breakers.
Connect the other end of the bundle to the AC circuit breakers
10.
ID
Fus.
MCB
SPD
Previous
Dif-
Over-
fuse. Max.
voltage
value
relay
protection
(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
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