• Compressors — 25

Compressor maps by refrigerant: R410A 9, R32 4, R448A 4, R449A 4, R454B 4.

Bitzer compressor ranges

Each range on a page of its own: every model code with its refrigerants, frequencies and ratings, and every model a page.

• Bitzer GSD — 14
• Bitzer 4CES — 2
• Bitzer 4FES — 2
• Bitzer 4NES — 2
• Bitzer 4VES — 2

Are you Bitzer?

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Components

Showing 1–24 of 25

How the model reads against Bitzer's data

BITZER ECOLINE recip and ORBIT/GSD scroll maps, the maker's own EN 12900 coefficients

9 maps — three ECOLINE semi-hermetic recips (4FDC-5, 4CDC-9, 4NDC-20) and six ORBIT/GSD scrolls (GSD60120/60182/80235/80295/80385/80485VA)

every map reproduces its recorded reading at 5 / 50 °C exactly (13.1 / 23.9 / 51.9 kW on the recips, 26.7 to 104.3 kW on the scrolls; COP 2.73 to 3.32), because nothing between the record and the seed touches a coefficient. Inside the envelope each map now carries, capacity and power stay positive, capacity rises with evaporating temperature and falls with condensing at every one of 169 grid points, and the COP stays under 80 % of Carnot. The maker states two ranges, which is a box, and on eight maps the cubic behaves everywhere in it; the GSD80235VA goes negative in the cold-and-hot corner (−9.3 kW at −23.8 / 65 °C, where its siblings read +8.0 and +13.7), so that corner is cut at the map's own zero-capacity contour and the cut is recorded. Not validated: no BITZER selection was reproduced end to end — the maps are the maker's coefficients, not a duty this project computed against the maker's software

From the validation page; every row is held by a test.

Listed from published data with the source named on every entry; a listing's figures are the manufacturer's, the model that runs them is ours. Solver results never depend on who has claimed what.