HP Modular Cooling System Installationshandbuch PDF herunterladen (Seite 44)

Note:

HP recommends that the HP mc-Series 5042 Hook Up Kit (BW971A) be

ordered for each MCS 5042 to be installed.

Coolant requirements

General thermal requirements

Table 8: Facility coolant requirements

Parameter Value

Allowable operational chilled water temperature

Minimum

Maximum

7°C (45°F) Min.

18°C (64°F) Max

Maximum heat load (50kW) operational chilled water temperature

Minimum

Maximum

7°C (45°F) Min.

13°C (55°F) Max

Chilled water flow rate (maximum)

Approximately 159 lpm (42 gpm)

Inlet/outlet water connections to MCS 5042 (2)

1.75-inch BSPP (parallel-thread)

Inlet/outlet hose connections to facility 1.25-inch BSPP (parallel-thread)

Hose insulation thickness 6.3 mm (0.25 inch), min. closed cell

Condensate discharge tubing 3 m (118 inch) length,

8 mm (0.31 inch) outer diameter,

6 mm (0.24 inch) inner diameter

Overflow tubing 3 m (118 in) length,

15 mm (0.59 inch) outer diameter,

9 mm (0.35 inch) inner diameter

Chilled water pressure differential at required flow 1 - 1.5 bar (15 – 22 psi) required

Cooling capacity

50 kW Maximum

(Performance is affected by water

temperature—

See Figures 21, 32, and 33.)

For more information, see “Determining heat load capacities.”

For more information, see “Plumbing considerations.”

For more information, see “Determining heat load capacities.”

In addition to the requirements listed in Table 8, the coolant must meet the requirements listed “Water

quality requirements.”

Caution:

Operating the MCS 5042 below the allowable chilled water temperature

should be avoided, because it might cause excessive amount of

condensation.

Important:

The MCS 5042 must not be operated with being supplied of a public water

system, like drinking water. Only systems that are operating by recycling

water to cool the MCS 5042 are highly recommended for proper use.

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