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en – Original instructions
7 Maintenance
Precautions
DANGER: Electrical hazard
Before attempting to use the unit, check that it is unplugged and that the pump and the control
Before any interventions on the unit, the network power supply and any other input voltages
1. Make sure that the cooling fan and the vents are free from dust.
2. Make sure that the ambient temperature is correct according to the limits of the unit.
3. Make sure that qualified personal perform all modifications of the unit.
4. Make sure that the unit is disconnected from the power supply before any work is carried out.
Function and parameter control
In case of changes to the hydraulic system:
1. Make sure that all functions and parameters are correct
2. Adjust the functions and parameters if necessary.
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panel cannot restart, even unintentionally. This also applies to the auxiliary control circuit of
the pump.
must be disconnected for the minimum time indicated in Table 9 (the capacitors of the
intermediate circuit must be discharged by the built-in discharge resistors).
Always consider the pump and motor Instruction.
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