PROEL AE604, Operating And Installation Manual

Page: 15 / 48

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4.v Device maintenance
a) Periodically clean the device with a dry cloth
b) Periodically check that the ventilation openings are not obstructed
c) Periodically check the wiring and connections
d) Periodically check the efficiency of the earthing connection
e) Replace the Pb-Gel batteries every 4 years with units having the same voltage and capacity
f) Replace the CR2032 battery of the internal clock (see par. 4s) every 4 years
g) Check the status of EVAC and ALARM messages.