V-TAC VT-6605305 Manuel D'instructions page 15

(4) Fix the installation bracket
onto the expansion bolts and
ensure the installation is firm
enough(tightening torque is
13N•m) . As shown in Figure
13.
Figure 13 Fix the installation bracket
(5) Hang the inverter onto the
installation bracket and ensure
the installation is firm enough.
As shown in Figure 14.
Figure 14 Installation of inverter
(6) Ensure the inverter is
installed properly and tighten
the M5X20 bolts into the screw
holes on the left and right side
of inverter (tightening torque is
3N•m). As shown in Figure 15.
Figure 15 Installation of M5X20 bolts