Speck pumpen 2 VGX 12/15, Operation Manual

Page: 68 / 104

Installation
16 EN 09|2018
5.4 Electrical connection
WARNING
Risk of electric shock due to incorrect connections!

Electrical connections must always be carried out by
authorised specialists.
 Observe VDE and utility company regulations.
 Install a disconnecting device with at least a 3 mm contact
gap per pole to interrupt the power supply.
 Protect power supply with a ground fault circuit interrupter,
nominal residual current I
FN
≤ 30 mA.
 Only use suitable pipe types according to regional
regulations.
 Adjust minimum diameter of the electrical pipes to
accommodate the motor output and pipe length.
 Do not bend or squash the pipes.
 If hazardous situations can occur, provide an emergency off
switch according to DIN EN 809. The builder/operator must
make a decision according to this standard.
WARNING
Risk of electric shock due to voltage on the housing!

A correctly set motor protection switch must be installed in
pumps with a three-phase motor. In doing so, observe the
values on the motor name plate.
NOTE
During connection please be aware that the pump may only be
operated once the system has been filled with water. Otherwise
the pump may run dry and cause damage.
 The motor has thermal overload protection. Moreover, the
motor has an automatic starter. Thus this can be connected
directly to the power supply.