Chiller & Gearbox
Lubricant Analysis
As more than half of the bearing failures that occur within chiller systems are due to lubrication issues, oil analysis is a critical part of a good maintenance program.
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Testing HVAC chillers ensures that equipment condition is within safe operating ranges, refrigerants are contaminant-free and lubrication is taking place as specified so that cost effective maintenance can be scheduled and unplanned downtime avoided.
Successful programs cost just a fraction of replacement, major repair or downtime costs.
Test methodologies should be in accordance with ARI (Air Conditioning & Refrigeration Institute) Standard 700-95 and UL 1995/CSA C22.2 No. 236
Recommended Testing for Refrigeration Lubricants
| Test | Method |
| Spectrochemical Analysis (21 elements) | ICP (Inductively-Coupled Plasma) |
| Acid Number, Base Number (Ammonia) | ASTM D974, D664 |
| Water by Karl Fischer | ASTM D6304 |
| Viscosity @ 40ºC, cST (EVAC) | ASTM D445 D-7279 |
| Oil Filter Analysis | 1 – Visual examination of filter media 2 – Microscopic examination of filter media debris |