ECKELMANN UA 412 S, Инструкция по эксплуатации

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KGL Operating Manual – UA 412 S 2019-01-14 / 52 122
1.
1.
2.
3.
B. System centre For details, see chapter . CI 4x00 System Centre, page 82
The input is made in menu 7-2. C. Store computer / operator terminal
See operating manual of LDSWin. D. PC software LDSWin
6.8 Battery replacement
Only UA 412 S AC
The case controller has a buffer battery of the
. In order to change the battery, it is type CR 2450 N, 3 V Lithium
necessary to remove the case controller from the system. In this case, the refrigeration point is regulated not
and monitored!
Warning about dangerous electrical voltage! Danger of electric shock! The safety regulations
and work safety instructions in chapter
must be observed for the Conventions, page 7
battery replacement.
A battery replacement may
be performed by trained personnel or at the factory by the only
manufacturer!
All plug connectors may only be inserted and removed when the power supply is disconnected
. Label connector if necessary before the removal and then detach.
Circuit boards may only be replaced when the
. Always hold power supply is disconnected
circuit boards at the edge.
Observe ESD (Electrostatic Discharge) regulations (see manual ESD - guidelines for handling,
)! page 12
Disconnect case controller and refrigeration point from the power supply. Acknowledge alarm in the
higher level controller if necessary.
Risk of false alarm! The removal of the controller from the CAN bus generates an error message in
the higher level controller (
). Therefore, in addition system centre / store computer / operator terminal
to the precautionary measures that directly affect the control, consequences on the higher level
controllers connected to the CAN bus must also be considered. It must be ensured that
Service Mode
is activated on the higher level controller and that the service centre has previously been , page 84
informed accordingly.
Performing the battery replacement
Disconnect case controller and refrigeration point from the power supply. Acknowledge alarm in the
higher level controller if necessary.
Disconnect all plug connectors, remove the device from the DIN rail.
Warning about dangerous electrical voltage! Danger of electric shock! A voltage of 230 V AC
can be present on some connectors.
Push the plastic lid’s two left-hand snap lugs on the side upwards with a broad flat blade screwdriver (A)