Connecting The Pxtfx Energy Management Device And Pxtex Extension Unit - Koch PxtFX Operating Manual

8.11
C
PxtFX energy management device
ONNECTING THE
extension unit
Risk of damage!
Connecting undischarged "PxtEX extension units" or "PxtEX
extension unit and PxtFX energy management device" may
destroy the components.
Only connect discharged devices together.

Risk of damage!
Connecting devices of different storage types can lead to the
destruction of the devices.
Only connect PxtEX extension units and PxtFX energy

management device of the same storage type.
1. Discharging the PxtEX extension unit
Fig. 26: Discharging the PxtEX extension unit

Connect terminal X1

cable.
The 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 PxtEX extension unit is discharged.





and terminal X2 (or terminal X3

(pins 1 and 3)
Operating manual PxtFX active energy management device
8 PxtEX extension unit
PxtEX
AND

) with the "VBST-PXT"
39
V1.1DE/EN