Inserting And Changing The Battery - ABB REU 610 Operator's Manual

1MRS755770
4.4.3.
Voltage Protection Relay
Operator's Manual
Fig. 4.4.2.-2 Installing a plug-in unit into the case

Inserting and changing the battery

The battery may only be inserted and changed by trained service
personnel.
To insert or change the battery, first detach the plug-in unit; refer to Section 4.4.2.
Detaching and installing the plug-in unit.
The battery compartment is accessible from underneath the plug-in unit as shown in
Fig. 4.4.3.-1.
1. Gently remove the battery with, for example, a flat-ended screwdriver. Be careful
not to drop the battery inside the plug-in unit.
2. Insert a new battery under the battery holder and ensure that you install the
battery with the correct polarity to avoid damage to the equipment.
3. Dispose the removed battery according to local environmental regulations on the
disposal of lithium batteries.
The battery is not being charged during normal operation.
When the relay is taken out of service, the battery should be removed to avoid
discharge. Typical battery discharge time is 14 days.
REU 610 REU 610
A040167
47