Replacing The Overvoltage Pc Board - Primo - Fronius 10.0-1 Serviceanleitung

Replacing the
overvoltage PC
board - Primo
Removing the overvoltage PC board:
128
NOTE! The Primo DC power board from version V1.4A_B already has an inte-
grated overvoltage function. If the Primo DC replacement PC board is version
V1.4A_B or higher, any existing OVP SYMPRI overvoltage PC board must be re-
moved.
(1) (3)
(4)
(5)
(2)
Take the inverter out of the wall bra-
1
cket and open it (see "Opening and
closing the device" section)
Remove the insulation sheet (1)
2
Undo the three 4x9 TX20 screws of the
3
cable connections (2)
Undo the two 4x9 TX20 screws (3)
4
Undo the plug connection to the PS(4)
5
Undo the plug connection to the OVP
6
(5)
Remove the overvoltage PC board
7
WARNING! Observe the safety
rules (see the beginning of the
"Safety" section)