Equipment Failure Rates: Evaporator
H18-100 to H18-120
Equipment failure rates, MTBF, MTTR, and downtime statistics for electrical and mechanical plant equipment. Primary data from the USACE PREP reliability database (IEEE Std 3006.8-2018 Table 2), covering ~280 equipment classes. Supplemental data from IEEE motor and transformer surveys.
| equipment type | class code | description | failure rate per year (failures/year) | failures (count) | mdt hours (h) | mtbf hours (h) | mttm hours (h) | mttr hours (h) | standard | survey | unit years (unit-years) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Evaporator | H18-100 | Evaporator, direct expansion, | 0.004358 | 31 | 0.29 | 2,010,312 | 0.27 | 14.55 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 7,114.1 |
| Evaporator | H18-120 | Evaporator, direct expansion, | 0.008687 | 9 | 0.3 | 1,008,461 | 0.28 | 5.17 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 1,036.1 |
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