User Guide

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21. Installation in the USA and Canada
In order to maintain the UL/cUL approval, these additional
installation procedures must be followed. The UL approval is
according to UL508C.
21.1 Electrical installation
21.1.1 Conductors
Use 140/167°F (60/75°C) copper conductors only.
21.1.2 Torques
Power terminal, M4: 2.35 Nm.
Relay, M2.5: 0.5 Nm.
Input control, M2: 0.2 Nm.
21.1.3 Overload protection
Degree of overload protection provided internally by the drive, in
percent of full-load current: 102%.
21.2 Before starting the pump
• The pump must always be connected to the power supply at
least one hour prior to start.
• From then on the pump must always be connected to the
power supply.
This procedure will help to avoid condensation in the terminal
box.
Subject to alterations.
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