Compressor — R290 compressor — 3.7 kW cooling, 1.88 kW input, COP 1.95 at the AHRI 7.2/54.4 °C rating point.
A Tecumseh listing, from the manufacturer's published data.
| Model | Tecumseh AJ2464U-FZ3C (R290 hermetic, LBP, EN12900, 50 Hz) |
| Refrigerant | R290 |
| Performance data | AHRI 540 / EN 12900 10-coefficient map |
| Reference superheat / subcool | 45.0 / 0.0 K |
| Cooling capacity @ 7.2/54.4 °C | 3.67 kW |
| Input power @ 7.2/54.4 °C | 1.88 kW |
| COP @ 7.2/54.4 °C | 1.95 |
AHRI 540 / EN 12900 ten-coefficient polynomials in evaporating and condensing temperature, rated at 45.0 K superheat and 0.0 K subcooling; the solver corrects them to the operating superheat and subcooling. Envelope: evaporating -40 to -10 °C, condensing 30 to 60 °C (a rectangle).
| te / tc °C | Capacity kW | Power kW | COP |
|---|---|---|---|
| -40 / 30 | 0.74 | 0.61 | 1.21 |
| -40 / 40 | 0.54 | 0.61 | 0.88 |
| -40 / 60 | 0.18 | 0.64 | 0.28 |
| -30 / 30 | 1.32 | 0.79 | 1.67 |
| -30 / 40 | 1.12 | 0.82 | 1.36 |
| -30 / 60 | 0.71 | 0.88 | 0.80 |
| -20 / 30 | 2.02 | 0.96 | 2.10 |
| -20 / 40 | 1.76 | 1.04 | 1.69 |
| -20 / 60 | 1.23 | 1.18 | 1.04 |
| -10 / 30 | 2.91 | 1.09 | 2.67 |
| -10 / 40 | 2.56 | 1.24 | 2.06 |
| -10 / 60 | 1.82 | 1.51 | 1.21 |
Points on a 10 K grid inside the published envelope; the builder solves any point in it, and warns past it.
Open the builder and pick this listing from the catalog picker — the solver runs it with the catalog's own figures, at your design point or across a year of weather.
| compressors | Tecumseh AJ2464U-XA3C (R290 hermetic, LBP, EN12900, 50 Hz) | R290 |
| compressors | Tecumseh AJ2464U-HZ3C (R290 hermetic, LBP, EN12900, 60 Hz) | R290 |
| compressors | Tecumseh AJ2464U-XA3C (R290 hermetic, LBP, EN12900, 60 Hz) | R290 |
| Tecumseh hermetic compressor maps, the maker's own coefficient sets | 864 maps from 297 models (R404A 324, R134a 178, R290 109, R22 97, R513A 89, R1234yf 53, R600a 10, R410A 4) at 93 application × refrigerant × frequency listings | power reads the selector's point within 0.95 % on every map (units and coefficient order, BTU/h sets scaled and Fahrenheit sets substituted exactly); 522 maps rate at their own basis and read the selector's capacity within 1 %; on the 342 the selector corrected from a liquid-temperature or return-gas basis to the regime, this solver's AHRI 540 §6 correction reproduces the selector's corrected capacity within +0.3 % on average (the raw polynomial sits +9.5 % over it), single maps ±11 % where a return-gas basis is carried as one reference superheat. 2 028 zeotrope rows (R448A, R449A, R452A, R454C, R455A, R407C) are withheld: Tecumseh publishes them on the glide's mid-point where AHRI 540 and this catalog rate on dew points |
From the validation page; every row is held by a test.
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.