3.1.2 Placing the Liebert XDC on a Floor Stand
WARNING! Risk of top-heavy unit falling over. Improper handling can cause equipment
damage, injury or death.
Only properly trained and qualified personnel wearing appropriate safety headgear, gloves,
shoes and glasses should attempt to move, lift, remove packaging from or prepare unit for
installation.
Read all of the following instructions before attempting to move, lift, remove packaging from or
preparing unit for installation.
The water/glycol floor stand can be located beneath the Liebert XDC unit or can be installed
nearby.
NOTE: Consult the factory if the Liebert XDC is not installed on the water/glycol condenser floor stand
to prevent exceeding the maximum piping distances.
Refer to the floor stand installation sheet shipped inside the water regulating valve package.
1. Move the floor stand assembly to its installation area and uncrate the unit.
2. Position the floor stand in its final location.
3. Insert leveler pads into each floor stand leg.
4. Level the top of the floor stand to the specified height with the flanged adjusting nut.
5. Tighten jam nuts on all legs against flanged adjusting nuts.
6. Using an appropriate lifting device or method, raise the Liebert XDC and move it above the
floor stand.
7. Align the welded tabs on top of the floor stand with the inside of the unit frame base (see Detail
A in Figure 3.3 on the next page).
8. Maintaining the alignment of the Liebert XDC and the floor stand, lower the Liebert XDC onto
the floor stand.
9. Connect the hot gas refrigerant lines from the Liebert XDC to the floor stand with 1-3/8" tubing
(see Figure 3.3 on the next page andFigure 3.4 on page20).
10. Connect the liquid refrigerant lines as shown from the Liebert XDC unit to the floor stand with
7/8" tubing (see Figure 3.3 on the next page andFigure 3.4 on page20).
11. Connect the water lines as shown with the provided valving (see Figure 3.3 on the next page
andFigure 3.4 on page20).
12. Connect capillary lines from each water regulating valve to condensers in the floor stand (see
Figure 3.3 on the next page andFigure 3.4 on page20).
Capillary length is limited to 48" (1219mm).
13. Check the pipes for leaks and evacuate air from all pipes.
14. Insulate all water/glycol lines.
15. Charge each condenser loop with R-407C (see Table 4.15 on page57).
Vertiv | Liebert® XDC™ User Manual | 17
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