CH550 and CH551 Chiller Operator’s & Installation Manual
© 2002-2010, IMI Cornelius Inc.
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Publication Number: 91272
FLUID RECOMMENDATION
Cornelius chillers are designed to operate with water to provide maximum performance for temperatures of 40° F
(4.4° C) to 100° F (37.8° C).
For questions regarding special or other fluids contact IMI Cornelius at 800-551-4423.
To purchase Lab or Industrial Glycol contact:
IMI Cornelius, 1-800-551-4423 - Part No. 111521000, 5 Gal.
Distilled Water
Acceptable
De-Ionized Water
(1-5 Meg
ohms)
Acceptable
De-Ionized Water
(5+ Meg
ohms)
Acceptable with Stainless Steel & PVC only (No Copper
or Brass)
Propylene Glycol
(Lab & Industrial Grade)
Acceptable - 30% Glycol/70% Water
(For Applications with Temperatures below 40° F)
Lab & Industrial Grade
Ethylene Glycol
Acceptable - 30% Glycol/70% Water
(For Applications with Temperatures below 40° F)
Mineral/Hydraulic Oils
(Commercial/Automotive Antifreeze)
NOT Acceptable
(Silicate Rust Inhibitors in Automotive/Commercial anti-
freeze damages pump seals and housing which lead to
failure.)
Acidic/Basic Solutions
(Above 8 or below 6 PH)
Not Acceptable
Mineral/Hydraulic Oils
(Viscosity > 50 Centistrokes)
Not Acceptable
