Profroid GSB Notice D'instructions page 72

4.2.2 CoreSense™ Diagnostics with Υ/Δ motors
Figure 37: Current sensing transformer
Figure 38: Wiring sensor module and leads routed through the current sensor
One motor lead must be routed through the centre opening of the current sensing transformer.
4.2.3 CoreSense™ Diagnostics with part winding
If using the CoreSense™ Diagnostics module with a part-winding start motor, one power lead of each of the windings should be passed
through the current sensing transformer in the same direction (see Figures 11 and 12) to provide accurate compressor proofing. If
the leads (L2 and L8 in picture below) are not routed in the same direction, the running current may indicate close to zero.
Terminal box and the current sensing "toroid" connections are factory-installed.
One of the motor power leads must be routed through Current Sensing
Transformer (see Figures 9 & 10 below).
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