- 164 -
000882BG
8 - Maintenance
Replacement of the buffer battery
Some inverter parts may be subject to voltages that could be hazardous for the operator.
Before performing any work on the inverter, refer to “Inverter switch-off” chapter on this manual
to know all the necessary step to safely operate on the inverter.
Replacing the buffer battery
61
is carried out on the wiring box and may
be necessary in the following circumstances:
1. LED error signal
2. Reset of the date and time settings
The battery is of the CR2032 type and is installed on the communication
and control board
30
.
Procedure to replace the buffer battery
61
:
1. Open any AC disconnect switch of the inverter.
2. Open any DC disconnect switch:
- Upstream of the inverter on -Standard model.
- Open the DC disconnect switch
15
on -S, -SX and -SX2 model.
3. Disconnect the quick t input connectors on -SX and -SX2 model.
4. Wait 30 minutes before open the wiring box front cover
04
.
5. Remove the buffer battery
61
to be replaced
6. Install the new battery, taking care to handle it with insulating gloves in
order not to compromise the charge and respecting the polarity shown on
the diagram on the communication and control board
30
7. Reconnect all the input strings and start the inverter.
~30°
J1
J18
J8
X5
J9 J10 J11 J12
J16
A5
J14
J13
S6
J20
J17
J21
J7
J18
J2
S5
S7
J5
J24
K5
S9
S8
T5
J27
J6
J19
J22
K6
J25
J15
J3
8
9
0
5
6
7
NCCOM
NO
NCCOM
NO
1
2
3
4
1
2
3
4
8
9
0
5
6
7
OFFON
PC2
OFFON
PC1
61
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