Baltimore Aircoil FXT-0709B-J cooling tower (130 tons, 571 kW) — modelled

Modelled from the manufacturer's published data — not verified by Baltimore Aircoil. Source: Baltimore Aircoil Product & Application Handbook volume VI, FXT engineering data — the model's own row (nominal tonnage, airflow in CFM, fan motor, dimensions) and the sheet's own rating note: a nominal ton is 3 USGPM of water cooled from 95 °F to 85 °F at a 78 °F entering wet-bulb temperature (docs/bac-source.json). The figures below come from this model run against that data; the manufacturer has not reviewed them. Are you Baltimore Aircoil? Claim this page.

CTI STD-201: the line, not this model — Baltimore Aircoil's FXT line is certified (validation 92-11-01), but this model is not named in the disclosure that covers it, so nothing is claimed for it here: the disclosure is the 2006 revision and names the previous generation of FXT model numbers (FXT-6 … FXT-257); every FXT listing here is the handbook's current FXT-0506A-E form, so none can be matched by name. What the model of it reads against the maker's published tables is a separate question.

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A crossflow, axial-fan, forced-draft tower from the middle of BAC's FXT range, rated to cool 390 USGPM from 95 to 85 °F at a 78 °F entering wet bulb on 18.1 m³/s of air. The fan sits ahead of the fill, so its motor heat is in the air the fill sees — which is how BAC builds an FXT and how this model wires it. Modelled from the manufacturer's published data — not verified by Baltimore Aircoil. Published as an example; the figures below are solved from this model.

Example450–700 kW heat rejectionEU

Example system. Published by HVAC Builder to show suppliers what their own page looks like. There is no company behind it and it is not a product offer — the specification is generic and the performance is solved from the model on this page.

Design-point performance

563.7 kWheat rejected
5.6 kWelectrical power
910 l/hwater use

Solved from this example's own model as it is published — the same numbers a supplier's page shows for their machine.

Component schedule

ComponentKindDuty
FXT-0709B-J fillWet pack-563.7 kW
FXT-0709B-J fanFan-5.6 kW

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