Installations; Connection To The Mains - Pentair DHR Serie Manual De Instrucciones

SUPPORTING SYSTEM
The machine supporting system can correspond to one of the following configurations:
•
The machine can be connected to a
fixed pipe able to maintain the machine
in position

3.6 INSTALLATIONS

DANGER
All installation operations should be performed while the electropump is disconnected from the mains.
WARNING
Do not install the machine in environments containing gases and/or inflammable or explosive materials.
DANGER
Electropumps are designed so that all the moving parts are rendered inoffensive by means of protections.
Do not use the electropump if these protections have been removed or are damaged, since this could cause serious
accidents to people.
WARNING
The machine supply line should always have a differential circuit breaker.
If installed for use with drinking water, clean the pump prior to installation - also clean if left unused for prolonged periods of time.
For drinking water, all materials used upstream and downstream of the pump must also be suitable for contact with drinking water for
human consumption
3.6.1 CONNECTION OF THE MACHINE TO THE PIPES
To connect the machine to the pipes, perform the following operations:
•
Position the machine so that the
arrows present on the base correspond
to the direction of the fluid flow

3.6.2 CONNECTION TO THE MAINS

MACHINES WITH THREE-PHASE MOTORS
DANGER
The installer will have to make sure that the electric supply system has an adequate grounding compliant with the laws in
force.
WARNING
Check that the supply system has a differential switch with a degree of sensitivity of
Δ = 30 mA (EN 61008-1 / EN 61009-1).
DANGER
Before removing the cover from the terminal block of the motor and before performing operations on the machine, make
sure that the supply line has been cut-off.
To connect the machine to the mains, perform the operations described here below:
•
Make sure that the motor is suitable to
the mains voltage and frequency
•
Cut the electric system off by using a
cut-off switch
•
Loosen the screws that fix the cover to
the terminal block
•
Insert the supply cable into the cable
holder
•
The machine can be connected to a
pipe and rested on a base having the
characteristics indicated in "Product
specifications" under paragraph
"Dimensions and weights"
•
Tighten the threaded ends of the pipes
to the delivery/suction mouths using T
eflon as sealing material
•
Connect the phases and ground to the
terminals
•
Reposition the cover of the terminal
block with the related gasket
•
Tighten the screws that fix the cover to
the terminal block
•
The machine can be connected to
a pipe and fixed, by means of nuts,
to a base having the characteristics
indicated in "Product specifications",
paragraph "Dimensions and weights"
•
Supply the machine with the cut-off
switch
•
Supply one current impulse and check
the direction of rotation of the motor
EN
27