Asetek InRackCDU Installation, Operation & Maintenance Guide 22
Appendix III – Facility Water Requirements
General Requirements
Parameter
Specification
Facilities Supply Water
Temperatures for 4u
InRackCDU with dew point
control
Max: 45°C (113°F)
Min: 2°C (5°F) above freezing temperature
Facilities Supply Water
Temperatures for 4u
InRackCDU without dew
point control
Max: 45°C (113°F)
Min: 2°C (5°F) above the higher of freezing or dew point temperature
Facilities Return Water
Temperatures
Max: 60°C (140°F)
Min: 2°C (5°F) above the higher of freezing or dew point
Material Requirements,
Facilities Side
ASHRAE D-90564, 5.1.2.5 Wetted Materials Requirements
Particulates
Facilities liquid shall be clear of particulate matter greater than 0.84mm in any
dimension.
Corrosion Inhibition
Compatible with wetted materials in CDU cabinet:
• Copper
• Brass
• Stainless Steel
Pressure drop across the
InRackCDU facility side
