7 Operation
7.1 Precautions
Before taking the unit into operation, check the following:
• All recommended safety devices are installed.
• The cable and cable entry have not been damaged.
• All debris and waste material has been removed.
NOTICE:
Never operate the pump with the discharge line blocked, or the discharge valve closed.
WARNING: Crush Hazard
Risk of automatic restart.
Distance to wet areas
WARNING: Electrical Hazard
Risk of electrical shock or burn. You must connect an additional ground- (earth-) fault
protection device to the grounded (earthed) connectors if persons are likely to come into
contact with liquids that are also in contact with the pump or pumped liquid.
CAUTION: Electrical Hazard
Risk of electrical shock or burn. The equipment manufacturer has not evaluated this unit
for use in swimming pools. If used in connection with swimming pools then special safety
regulations apply.
Noise level
NOTICE:
The sound power level of the product is lower than 70 dB(A). However, in some
installations the resulting sound pressure level may exceed 70 dB(A) at certain operating
points on the performance curve. Make sure that you understand the noise level
requirements in the environment where the product is installed. Failure to do so may
result in hearing loss or violation of local laws.
7.2 Start the pump
CAUTION: Crush Hazard
The starting jerk can be powerful. Make sure nobody is close to the unit when it is started.
Before the pump is started, the following requirements must be fulfilled:
• The pump is free from damage.
• There is oil in the oil housing.
• The cables are correctly tightened and free from damage.
• The monitoring equipment is correctly connected and free from damage.
1. Remove the fuses or open the circuit breaker, and check that the impeller can rotate
freely.
7 Operation
32 Concertor
™
6020 Installation, Operation, and Maintenance Manual
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