Cray CX1000, Руководство по подготовке площадки, Страница: 42 / 56

The following table lists common water impurities and recommended treatment:
Table 2. Water treatment recommendations
4.2. Water-Cooled Cabinet Chilled Water Supply Requirements
mportant Consult your Air Conditioning System specialist for advice on how to plan
for the installation of water-cooled cabinets.
For a cooling capacity of up to 40kW, the following environmental conditions must be
complied with:
•
•
•
•
Room temperature = 20°C: input water temperature = 7°C
Room temperature = 25°C: input water temperature = 12°C
Waterflow: 2 liters per second
Pressure drop: 140 kPa typical at 2l/second.
mportant For other site options, please contact your Customer Service
Representative.
Chapter 4. Water Supply 4-3
Impurity Treatment
Mechanical pre-treatment (dp < 1 mm) Filter the water
Excessive hardness Soften the water using ion exchange
Moderate content of mechanical impurities
and hardness formers
Add dispersing agents or stabilising agents
Moderate content of mechanical impurities Add passivation agents and inhibitors
Biological impurities (bacteria and algae)
Add biocides