Zapi COMBI AC1, User Manual, Page: 19 / 86

4.3 Protection and safety features
4.3.1 Protection features
The COMBI AC1 is protected against some controller injuries and malfunctions:
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Battery polarity inversion
It is necessary to fit a LINE CONTACTOR to protect the controller against
reverse battery polarity and for safety reasons.
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Connection Errors
All inputs are protected against connection errors.
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Thermal protection
If the controller temperature exceeds 85°C, the maximum current is reduced in
proportion to the thermal increase. The temperature can never exceeds 105°C.
-
External agents
The inverter is protected against dust and the spray of liquid to a degree of
protection meeting IP65. Nevertheless, it is suggested to carefully study
controller installation and position. With few simple shrewdness, the degree of
controller protection can be strongly increased.
-
Protection against uncontrolled movements
The main contactor will not close if:
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The Power unit is not functioning.
- The Logic or CANBUS interface is not functioning perfectly.
- The Can Tiller is not operating correctly.
- Running microswitches are in open position.
-
Low battery charge
when the battery charge is low, the maximum current is reduced to the half of the
maximum current programmed; additionally an alarm message is displayed.
-
Protection against accidental Start up
A precise sequence of operations are necessary before the machine will start.
Operation cannot begin if these operations are not carried out correctly.
Requests for drive must be made after closing the key switch.
AEQZP0BA – COMBI AC1 - User Manual Page - 19/86