Wilo Medana PE3 Series, Инструкция по установке и эксплуатации

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en Commissioning
12 WILO SE 2020-03
8.4 Electrical connection
DANGER
Risk of electric shock
Danger from electrical current must be eliminated.
■ Have all electrical work carried out by a qualified electrician only!
■ Before any electrical connection is made, the pump must be de-energised
(switched off) and protected against unauthorised restarting.
■ To ensure safe installation and operation, the unit must be earthed correctly with
the earth terminals of the power supply.
CAUTION
Risk of damage to the pump!
■ The power cable must never touch the piping or the pump, and must be Kept
away from any moisture.
■ Connect the plug of product to only grounded electric outlet.
■ To use an outlet without grounding may bring the pump to malfunction.
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See the pump's rating plate for its electrical characteristics (frequency, voltage, cur-
rent).
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The single-phase motor of this pump has a built-in thermal protector.
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A damaged cable or connector must be replaced by the corresponding part available
from the manufacturer or the manufacturer's customer service.
9 Commissioning
9.1 Filling - Venting
CAUTION
Risk of damage to the pump!
Never operate the pump dry, even briefly.
The system must be filled before starting the pump.
9.2 Starting
CAUTION
Risk of damage to the pump
The pump must not operate at zero flow (discharge valve closed) for more than 10
minutes.