Connecting An Additional Pxtex Extension Unit - Koch PxtFX Operating Manual

8 PxtEX extension unit
8.12
42
Operating manual PxtFX active energy management device
V1.1DE/EN

Connecting an additional PxtEX extension unit

Before another PxtEX extension unit can be connected, first this extension unit and
then the already connected ones must be discharged.
1. Discharging an additional (second) PxtEX extension unit
Fig. 29: Discharging an additional PxtEX extension unit

Connect terminal X1

cable.
The additional PxtEX extension unit is discharged.

Measure the voltage at terminal X2


(or at terminal X3 (pins 1 and 3)) with a multimeter.
Leave the "VBST-PXT" cable plugged in until no more voltage is measured.

The additional PxtEX extension unit is discharged.





and terminal X2 (or terminal X3

(pins 1 and 3)

) with the "VBST-PXT"