Removing The Communication Assembly - SMA Sunny Boy Storage 3.8-US Manual De Instrucciones

SMA
5

Removing the Communication Assembly

1. Disconnect the inverter from voltage sources (see inverter manual).
2. Pull the ribbon cable connecting the Power Unit to
the battery interface module out of the battery
interface module.
3. Remove all connection cables from the jacks located
on the interface module of the battery. Make a note
of the position of the connection cable.
4. Unscrew (TX20) the two screws of the battery interface module.
5. Take out the battery interface module. Press the middle and side locking tabs of the
communication assembly slightly to the side until the battery interface module releases from the
locking tabs.
6. Take out the 20-pin connector connecting the battery interface module with the communication
assembly, and keep it in a safe place.
7. Pull the ribbon cable connecting the communication
assembly to the Power Unit out of the
communication assembly.
8. Remove all plugs from the used sockets of the communication assembly.
9. Unscrew (TX20) the three screws of the communication assembly and remove the
communication assembly.
Service Manual
5 Removing the Communication Assembly
COM
_
+
1
M1 M2
X1 X2
ANT.
FCC ID: SVF-KP20
IC: 9440A-KP20
DISPLAY
2
A B
D-IN SPS
Max. 30V DC
BAT MFR USB
COM
M1 M2
X1 X2
ANT.
FCC ID: SVF-KP20
IC: 9440A-KP20
A B
D-IN SPS
SBSxx-10-AT-COM-SG-xx-10
AC-out SPS
1
AC-out SPS
9