JUICE ULTRA - Operation Instructions and Installation Guide
Version 1-3A
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7. Maintenance
Attention
Attention
Observe all hazard warnings in chapter 1.3
7.1. Overview of maintenance work
For the safe operation of the charging station, regular maintenance or control of the safety
equipment is required. All the points listed below are considered mandatory and must be
carried out by the operator of the switchgear at the intervals described.
Table 19 gives an overview of the intended maintenance work. Depending on the individual
conditions of use of the control cabinet, maintenance work may still be necessary so that the
list cannot be considered complete.
Replacement of the complete charging cable set
After 10000
charging
cycles
Function test of residual current circuit breaker
Main switch, voltage
release switch
Verify the correct function
Verification of protective
measures
With the charging station switched off, check the
resistance between the ground of the supply plug
and all externally accessible, non-insulated cabinet
parts (housing, add-on parts, screws)
Check for cleanliness and
condensation
Check if the interior of the control cabinet is clean
and has no traces of condensation.
Random or complete testing of tightening torques at
terminals and mechanical screw connections.
Check the surge arrester for full function
Check the cooling liquid level (fill level indicator)
Concentration of cooling
liquid
Check the concentration (test with refractometer) of
the coolant liquid.
If the concentration is below 50%, this can be
remedied by adding coolant concentrate.
Check the pH (optimal value - pH between 8…9) of
the coolant liquid.
If the pH is below pH 7.7, replace the coolant liquid.
In this case, no complete replacement is necessary,
the change of the majority is sufficient to ensure
protection again.
Table 19: Periodic maintenance work
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