Delta RT Series User Manual page 27

Carefully lift the UPS upright  (at least two people are required) with the Delta logo nameplate
and buttons on the LCD facing up.
Facing Up
Lift Up 90∘

(Figure 6-7: Place the UPS Upright)
Fit the whole unit into the tower stands  (at least two people are required).

(Figure 6-8: Fit the UPS into the Tower Stands)
Leave adequate space (at least 50 cm (19.69'')) around all sides of the UPS for good ventilation.
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