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WHA-ADP2-F8B2-*-**-Z1(-EX1)
Maintenance and Repair
7
Maintenance and Repair
7.1
Exchanging the Battery
Only batteries of type W-BAT-B2-Li can be changed in an area known to be hazardous. You can
order these battery units from Pepperl+Fuchs under the part no. 220390.
Danger!
Batteries in hazardous areas
Batteries from Pepperl+Fuchs for this device may be brought into hazardous areas. However,
always check if the battery is intact before transporting it into hazardous areas. Always
transport batteries enclosed inside their original packages or already installed inside the
device.
Danger!
Loss of intrinsic safety
The use of batteries other than specified voids the qualification for use in hazardous areas.
Only use batteries of type W-BAT-B2-Li from Pepperl+Fuchs.
Danger!
Possible damage because of wrong battery
The use of batteries other than specified may cause damage to the device.
Only use batteries of type W-BAT-B2-Li from Pepperl+Fuchs.
Warning!
Caustic battery acid
Leaking battery acid can cause personal injury and damage to the device.
Never use batteries that are leaking.
Never use batteries with external damage such dents or deep scratches, even if no
battery acid is leaking.
Danger!
Electrostatic discharge hazard
The device contains non-conductive plastic parts. Care must be taken when operating the
installed device because of possible electrostatic charges. Electrostatic charged surfaces may
cause an ignition spark.
Electrostatic charges must be avoided. For example, do not rub the device and never clean
plastic surfaces with a dry cloth. Always use a damp cloth instead.
Note!
You may open the housing and connect/disconnect the battery in Zone 1.
Note!
When operating at ambient conditions different from the conditions specified, battery
capacity can be reduced up to 50%.
The device has internal battery diagnostics that can send a warning when battery
conditions are outside the acceptable operating range.
73
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