Compressor — R513A compressor — 2.7 kW cooling, 1.25 kW input, COP 2.19 at the AHRI 7.2/54.4 °C rating point.
A Tecumseh listing, from the manufacturer's published data.
| Model | Tecumseh AJ4511N-FZ3B (R513A hermetic, HBP, EN12900, 50 Hz) |
| Refrigerant | R513A |
| Performance data | AHRI 540 / EN 12900 10-coefficient map |
| Reference superheat / subcool | 25.0 / 0.0 K |
| Cooling capacity @ 7.2/54.4 °C | 2.73 kW |
| Input power @ 7.2/54.4 °C | 1.25 kW |
| COP @ 7.2/54.4 °C | 2.19 |
AHRI 540 / EN 12900 ten-coefficient polynomials in evaporating and condensing temperature, rated at 25.0 K superheat and 0.0 K subcooling; the solver corrects them to the operating superheat and subcooling. Envelope: evaporating -25 to 15 °C, condensing 30 to 60 °C (a rectangle).
| te / tc °C | Capacity kW | Power kW | COP |
|---|---|---|---|
| -20 / 30 | 1.27 | 0.62 | 2.05 |
| -20 / 40 | 1.04 | 0.62 | 1.68 |
| -20 / 60 | 0.52 | 0.51 | 1.03 |
| -10 / 30 | 2.07 | 0.75 | 2.75 |
| -10 / 40 | 1.76 | 0.80 | 2.20 |
| -10 / 60 | 1.11 | 0.84 | 1.32 |
| 0 / 30 | 3.15 | 0.89 | 3.55 |
| 0 / 40 | 2.71 | 0.96 | 2.81 |
| 0 / 60 | 1.80 | 1.12 | 1.61 |
| 10 / 30 | 4.60 | 1.06 | 4.34 |
| 10 / 40 | 3.95 | 1.15 | 3.44 |
| 10 / 60 | 2.67 | 1.39 | 1.93 |
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 AJ4511N-CZ3A (R1234yf hermetic, HBP, EN12900, 50 Hz) | R1234yf |
| compressors | Tecumseh AJ4511N-FZ3B (R1234yf hermetic, HBP, EN12900, 50 Hz) | R1234yf |
| compressors | Tecumseh AJ4511N-TZ1A (R1234yf hermetic, HBP, EN12900, 50 Hz) | R1234yf |
| compressors | Tecumseh AJ4511N-TZ1A (R1234yf hermetic, HBP, EN12900, 60 Hz) | R1234yf |
| compressors | Tecumseh AJ4511N-CZ3A (R1234yf hermetic, HBP, EN12900, 60 Hz) | R1234yf |
| compressors | Tecumseh AJ4511N-CZ3A (R134a hermetic, HBP, EN12900, 50 Hz) | R134a |
| compressors | Tecumseh AJ4511N-TZ1A (R134a hermetic, HBP, EN12900, 50 Hz) | R134a |
| compressors | Tecumseh AJ4511N-FZ3B (R134a hermetic, HBP, EN12900, 50 Hz) | R134a |
| compressors | Tecumseh AJ4511N-TZ1A (R134a hermetic, HBP, EN12900, 60 Hz) | R134a |
| compressors | Tecumseh AJ4511N-CZ3A (R134a hermetic, HBP, EN12900, 60 Hz) | R134a |
| compressors | Tecumseh AJ4511N-CZ3A (R513A hermetic, HBP, EN12900, 50 Hz) | R513A |
| compressors | Tecumseh AJ4511N-TZ1A (R513A hermetic, HBP, EN12900, 50 Hz) | R513A |
| 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.