Device description
elrest
Automationssysteme GmbH
e
VISIO PTE715_Windows.EN
Page: 37
6
Maintenance and servicing
6.1
Maintenance
6.1.1
General
•
The following must always be observed or checked daily:
•
The permissible ambient conditions must be adhered
•
Is the housing temperature unusally high?
The visio devices are designed for maintenance-free operation. Maintenance is limited of changing
backup battery.
6.1.2
Changing backup battery
In the visio devices are a backup batterie installed. The battery ensures, if the power supply is interrupted,
the internal clock continues to run.
The lifetime of the battery is approx. 3 years under normal operating conditions
Please use only a VARTA CR 1/2 AA Lithium, this is a 3V battery with 970mAH.
Sources of supply
The battery can be obtained from elrest Automationssysteme GmbH
Requirements:
The battery should be replaced within 10 minutes
•
The following points must be observed when changing the battery:
•
Release the battery cover.
•
Remove the battery cover.
•
Remove the battery.
•
Insert the new battery,
observing the polarity
(see symbol on the battery base and the label on the
housing lid).
•
Time and date must be checked.