en – Original Instructions
Installation, Operation and Maintenance Manual
27
4.4
Electrical connection
WARNING: Risk of electric shock
Electrical connections are to be made by a qualified electrician in accordance with all applicable
codes, ordinances and good practices.
DANGER: Electrical hazard
Disconnect and lock out the power before making electrical connections. Before starting work,
check that the unit cannot restart, even unintentionally.
CAUTION:
For supply connection, use wires acceptable for at least 194 °F (90 °C).
Use copper conductors only.
WARNING: Risk of electric shock
Connect only to a branch circuit protected by a ground-fault circuit-interrupter (GFCI). Contact
a qualified electrician if you cannot verify that the circuit is protected by a GFCI.
The unit must be connected only to a supply circuit that is protected by a ground-fault circuit-
interrupter (GFCI). Such a GFCI should be provided by the installer and should be tested on a
routine basis. To test the GFCI, push the test button. The GFCI should interrupt power. Push the
reset button. Power should be restored. If the GFCI fails to operate in this manner, the GFCI is
defective. If the GFCI interrupts power to the pump without the test button being pushed, a
ground current is flowing, indicating the possibility of an electric shock. Do not use this pump.
Disconnect the pump and have the problem corrected by a qualified service representative
before using.
4.4.1
Ground
DANGER: Electrical hazard
Adequate electrical grounding is required for the safe operation of the pumps. Ground the
pump back to the service using a copper conductor at least the size of the circuit connectors
supplying the pump. Connect the ground wire to the ground terminal in the wiring
compartment.
DANGER: Electrical hazard
Always connect the external protection conductor (ground) to the ground terminal before
attempting to make any other electrical connections.
DANGER: Electrical hazard
Connect the pump unit and any electric accessories to a socket with protection conductor
(ground).
DANGER: Electrical hazard
Check that the external protection conductor (ground) is longer than the phase conductors.
In case of accidental disconnection of the unit from the phase conductors, the protection
conductor must be the last one to detach itself from the terminal.
DANGER: Electrical hazard
Install suitable systems for protection against indirect contact, in order to prevent lethal electric
shocks.
