Compressor — R290 compressor — 4.9 kW cooling, 2.01 kW input, COP 2.42 at the AHRI 7.2/54.4 °C rating point.
A Tecumseh listing, from the manufacturer's published data.
| Model | Tecumseh AJ2475U (R290 recip, EN 12900) |
| Refrigerant | R290 |
| Performance data | AHRI 540 / EN 12900 10-coefficient map |
| Reference superheat / subcool | 10.0 / 0.0 K |
| Cooling capacity @ 7.2/54.4 °C | 4.86 kW |
| Input power @ 7.2/54.4 °C | 2.01 kW |
| COP @ 7.2/54.4 °C | 2.42 |
AHRI 540 / EN 12900 ten-coefficient polynomials in evaporating and condensing temperature, rated at 10.0 K superheat and 0.0 K subcooling; the solver corrects them to the operating superheat and subcooling. Envelope: not published — the map is used unbounded.
| te / tc °C | Capacity kW | Power kW | COP |
|---|---|---|---|
| -10 / 30 | 3.51 | 1.18 | 2.98 |
| -10 / 40 | 3.10 | 1.32 | 2.34 |
| -10 / 60 | 2.21 | 1.60 | 1.39 |
| 0 / 30 | 5.16 | 1.30 | 3.96 |
| 0 / 40 | 4.58 | 1.51 | 3.03 |
| 0 / 60 | 3.35 | 1.93 | 1.74 |
| 10 / 30 | 7.33 | 1.36 | 5.39 |
| 10 / 40 | 6.53 | 1.64 | 3.98 |
| 10 / 60 | 4.88 | 2.23 | 2.19 |
Points on a 10 K grid inside the published envelope; the builder solves any point in it, and warns past it.
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Listed from published data; a listing's figures are the manufacturer's, the model that runs them is ours. Solver results never depend on who has claimed what.