Data Centers
Don’t mistake redundancy for reliability – test power and cooling train system fluids to strengthen overall Data Center reliability.
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Why Test?
As IT systems and data center operations become more integrated, the importance of a preventive, holistic approach to maintenance is becoming increasingly evident. Testing equipment and system fluids is an ideal complement to any data center PM strategy for maximizing both power and cooling train reliability.
Whether interval-based or condition-based, a data center PM strategy that includes fluid analysis can transform a maintenance program dependent on redundancy to one focused on overall data center performance and reliability.
Equipment to Test
Whether interval-based or condition-based, a data center PM strategy that includes fluid analysis can transform a maintenance program dependent on redundancy to one focused on overall data center reliability.
Power Train
- Back-up generator engine oils & coolants
- Diesel fuel
- Transformer oils
Cooling Train
- HVAC systems (components include)
- Computer room air conditioners & air handlers
- Humidifiers
- Condensers
- Chillers
FLUID CONDITION MONITORING FOR DATA CENTER ASSET MAINTENANCE
Recommended test slates by application for data centers:
| Application / Fluid | Recommended Test Slate | Sample Size | Sample Frequency |
Diesel Generators (Lube Oil) |
Elemental Analysis (21-elements), Viscosity, Fuel Soot, Oxidation, Nitration, Water (%), Glycol, Fuel Dilution, and Total Base Number. | 4 oz / 120 mL | 250-hrs or Semi-Annual |
|---|---|---|---|
|
Diesel Generators (Antifreeze / Coolant) |
Elemental Analysis (Corrosion & Inhibitor Metals), Appearance, Color, Foam, Oil, Fuel, Magnetic precipitate, Non-magnetic precipitate, Odor, pH, Glycol %, Freeze Point, Nitrites, Specific Conductance, and Total Hardness. | 4 oz / 120 mL | 250-hrs or Semi-Annual |
|
Turbine Generators (Lube Oil) |
Elemental Analysis (21-elements), Viscosity, Total Acid Number, Water (ppm) and ISO Particle Count. | 4 oz / 120 mL | 200-hrs or Quarterly |
|
On-Site Fuel Storage (Diesel Fuel) |
Particulate Contaminant, Trace Metals, Sediment & Water, Microorganism Study, and Accelerated Stability. | 16 oz / 500 mL | Annually |
|
New Fuel Deliveries (Diesel Fuel) |
Distillation, Density, Cetane Index, Sulfur, Flash Point, Copper Corrosion, Cloud Point, Ash, Sediment & Water, Viscosity, Carbon Residue. | 32 oz / 1 L | At Delivery |
|
HVAC / CRAC (Refrigeration Oil) |
Elemental Analysis (21-elements), Evacuated Viscosity, *Total Acid Number, and Water (ppm), * Total Base Number performed on Amonia Compressors |
4 oz / 120 mL | Semi-Annual |
|
HVAC / CRAC (Refrigerants) |
Water (ppm), Acidity, Oil Content, Sediment, Appearance, and Color |
32 oz. (Steel Canister Required) |
Semi-Annual |
|
Chillers / Cooling System (Cooling Water / Condensate) |
Elemental Analysis (21-elements), Appearance, pH, Total Hardness, Alkalinity, Total Disolved Solids, Total Suspended Solids, Free Chlorine, Chloride, Sulphate, Nitrite, Ammonia, Algae, Turbidity, Density, Conductivity, % Glycol, Freeze Point | 8 oz / 250 mL | Semi-Annual |
|
Chillers / Cooling System (Water-Glycol) |
Elemental Analysis (Corrosion & Inhibitor Metals), Appearance, Color, Foam, Oil, Fuel, Magnetic precipitate, Non-magnetic precipitate, Odor, pH, Glycol %, Freeze Point, Nitrites, Specific Conductance, Total Hardness, Contaminant and Inhibitor Anions by Ion Chromatography (Fluoride, Chloride, Nitrite, Nitrate, Sulfate, Glycolate, Formate, Acetate, and Oxalate) Organic Acid and Azole Inhibitors by HPLC (Benzoate, 2-Ethylhexanoic acid, Sebacic acid, Octanoic acid, p-Toluic, Adipic, MBT, TTZ, BZT.) | 8 oz / 250 mL | Semi-Annual |
|
Transformers (Insulating Oils) |
Dielectric Strength, Total Acid Number, Interfacial Tension (IFT), Color, Visual, Specific Gravity, Moisture Content (Karl Fischer), Disolved Gas Analysis (DGA), and Power Factor. | 16 oz / 500 mL | Annual |