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PDWA – Medium ESP Ducted

The Polar Air Low Static Ducted fan coil units have been specifically designed to satisfy high cooling capacity at low external static pressure applications. They represent one of the most cost-effective solutions to provide a comfortable environment for both commercial and residential applications. With quiet operation, compact dimensions and low heights, these units are ideal for ceiling concealed installations even in buildings with limited ceiling spaces.

PDWA – Medium ESP Ducted Product Range

The Polar Air Low ESP ducted fan coil has a range of AC and EC motor in 230V/50Hz units or EC motor in 115V-220V/60Hz with the following capacities:

Low static ESP Ducted [PDWA]
Low Static ESP Ducted PDWA range
Product range legend

Main Features



Made from heavy-gauge galvanized steel panels with couplings for the connection of ducting and gravity drain pan with insulation for condensation. Low height dimensions for perfect low height ceiling concealed installations.

Water coils

Water Coils

Built with seamless copper tubes and headers, mechanically expanded into corrugated aluminium fin material for a permanent primary to secondary surface bond. Tested at 35 bar, with maximum operating limits at 20 bar.


Fan Blowers

Heavy-gauge galvanized steel with die-formed inlet cones housings, inlet forward curved centrifugal type, statically and dynamically balanced for smooth and quiet operation.



EC motors with included driven controls PCB, constant torque, permanent magnet, 3 speeds pre-set to allow precise air balancing.



Easily removable and washable filters made from self-extinguishing acrylic with EU2 (G2) (Merv 2-4) efficiency class. G4 (Merv 8) efficiency filters are optional.

Drain pans

Condensate Pans

Steel drain pans positively sloped, coated with self-extinguishing closed cell expanded polyethylene with thermal properties. The drain pan outlet is 3/4” (standard on the same side of coil connections).



Left or right-hand water connections easily interchanged on site by changing the positions of the water inlet and outlet directions.



Optimized water circuit designs tested in accredited thermal test rooms to guarantee dependable performance and low water pressure drops. Airflow supplied at 0.2in.wg External Static Pressure (ESP), varies from 275 to 1948CFM at high.

Related Project References


Specified under Eurovent Standards (50 & 60Hz)

Metric System
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Specified under AHRI Standards (60Hz)

Imperial System
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We have a complete range of accessories, please contact us directly for any specific inquiry you might have or download our complete product catalogue.

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