Fronius Primo GEN24 8.0 Plus - Fronius Primo GEN24 with Two BYD Battery-Box Premium HV Connected in Parallel; Circuit Diagram

Fronius Primo GEN24 with two BYD Battery-Box
Premium HV connected in parallel
Circuit Diagram
=A3.1 BCU BYD B-Box Premium
=A3.2 Battery BYD B-Box Premium HVS/HVM
=A3.x Battery BYD B-Box Premium HVS/HVM
P+
P-
12V IN
12V IN_GND
RS485A RS485B
EN
EN_GND
CANL
CANH
X
=A2.1 BCU BYD B-Box Premium
=A2.2 Battery BYD B-Box Premium HVS/HVM
=A2.x Battery BYD B-Box Premium HVS/HVM
P+
P-
12V IN
12V IN_GND
RS485A RS485B
EN
EN_GND
CANL
CANH
OPTION A OPTION B
X
OPTIONAL A OR B OPTIONAL A OR B
CAN RS485
IN COM
PARALLEL
OUT COM
PARALLEL
ETHERNET CAN RS485
IN COM
PARALLEL
OUT COM
PARALLEL
ETHERNET
=A1 Fronius
GEN24 / GEN24 Plus
Primary Battery Secondary Battery
connection area at BCU´s:
*
The ferrite cores -Z1 to -Z8 are only mandatory for storage installations in Italy!
Certified ferrites for DC connection path: -Z1 and -Z2: WE742-712-21, manufacturer: Würth
Certified ferrites for communication connection: -Z4 to -Z6: WE742-711-12, manufacturer: Würth
FUSES
OPTIONALLY
FUSES
OPTIONALLY
MODE SWITCH MODE SWITCH
PE
=A3.1-X0
=A3.1-X7
1 3
1
=A3.1-X1
27
2
27 28
3
29
4
30
5 6
31 32
7
33
8
2
=A1-X5:A4 (BAT+)
=A1-X6:A1 (BAT-)
-Z2 *
WE742-712-21
PE
=A2.1-X0
1
=A2.1-X7
3
42
1
=A2.1-X1
43
2
44
3
45
4
5
46 47
6
48
7
49
8
2
WE742-712-21
-Z1 *
=A2.1-X2 =A2.1-X3 =A2.1-X4 =A2.1-X5 =A2.1-X6
8 7 2 1
=A3.1-X2 =A3.1-X3 =A3.1-X4 =A3.1-X5 =A3.1-X6
=A1+A2-X8:MO+
=A1+A2-X8:MO-
=A1+A2-X8:GND
=A1+A2-X8:V+
WE742-711-12
-Z5 * -Z6 *
WE742-711-12 WE742-711-12
-Z4 * -Z4 *
WE742-711-12
=A1+A2-X8:SHIELD
-X6
26
1
2
26
180