Replacement Of The Buffer Battery - ABB PVS-50-TL Product Manual

R
eplacement 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.
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J8
J9 J10 J11 J12
J16
J18
X5
5
5
J1
~30°
Replacing the buffer battery
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 .
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Procedure to replace the buffer battery
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
3. Disconnect the quick fit input connectors on -SX and -SX2 model.
4. Wait 30 minutes before open the wiring box front cover
5. Remove the buffer battery
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
7. Reconnect all the input strings and start the inverter.
- 164 -
is carried out on the wiring box and may
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:
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on -S, -SX and -SX2 model.
15
to be replaced
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30
8 - Maintenance
.
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