Emerson Liebert Xtreme Density Dokumentacja Pobierz pdf (Strona 8)

System Description

1.1 Direct and Indirect System Configurations

Liebert XD systems are available in Direct and Indirect configurations—differentiated essentially

by the location of the pumping unit (see Figures 2 and 3). The indirect system uses a pumping unit

to control and circulate the XD Coolant™. In the direct system, the pumping functions are incorpo-

rated in the chiller.

Figure 2 Direct system configuration—hydraulic system schematic

Figure 3 Indirect system configuration—hydraulic system schematic

1.2 Liebert XDO—Overhead Cooling Module

The XDO ceiling-mounted cooling module draws in hot air rising from densely populated cabinets,

passes it over the XDO’s coils and exhausts cooled air downward into the cold aisle.

Liebert

XDC Coolant

Chiller

XDO/XDV

XDCoolant

Liebert

Heat

Rejection

Liebert

XDC Coolant

Chiller

Direct XD System Configuration

Pumping and control are performed by chiller.

Supply Piping

Return Piping

Liebert

XDP

XDO/XDV

XDCoolant

Building

Chilled

Water

Liebert

XDP

XDO/XDV

XDCoolant

Indirect XD

System Configuration

XDPs pump coolant to XDO and XDV

modules, isolate coolant from building

chilled water supply with an internal

heat exchanger and maintains coolant

above the dew point.

Supply Piping

Return Piping

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 51 52

Komentarze do niniejszej Instrukcji

Brak uwag

Emerson Liebert Xtreme Density Dokumentacja Strona 8

Komentarze do niniejszej Instrukcji

Powiązane produkty i podręczniki dla Networking Emerson Liebert Xtreme Density