Products

Low Static ESP Ducted Fan coil

PDWA & PDWA-ECM

The Polar Air low ESP ducted fan coil units have been specifically designed for high cooling capacity.

 

The Polar Air low ESP ducted fan coil units have been specifically designed for high cooling capacity. These units are a cost effective solution that provides 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 and buildings with limited ceiling spaces.

The Polar Air Low ESP ducted fan coil offer AC and EC motor 230V/50Hz units with the following capacities:

  • 10 Models of 2 pipe 3Row from 2.82kw to 15.54kW (9600 BTU/H to 53000 BTU/H) cooling capacity, and 2.43kw to 15.3kW (8300 BTU/H to 52200 BTU/H) heating capacity
  • 2 pipe models 4 row also available
  • 4 pipe models available by adding an auxiliary heating coil (3+1).
  • External Static Pressure available u to 120pa (0.48in.wg)

Standard Configuration

The Ducted Low series are supplied with return plenum and air filter as well as dynamically balanced centrifugal fans.

 

Product Accessories

Control Accessories

  • Infra-red handset controller and wall holder
  • ABS external LED receiver
  • Unlimited wired wall pad controller
  • DIP switch configuration service
  • Universal EC thermostat
  • STCD series thermostats

Other Accessories

  • Electrical heaters
  • Auxiliary heating coils
  • Valves and valve kit
  • Insulation for sound attenuation
  • Optional stainless steel drain pan

Structure

  • Made from heavy gauge galvanised steel panels
  • Couplings for the connection of ducting
  • Gravity drain pan with insulation for condensation
  • Low height dimensions perfect for low height ceiling concealed installations.

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

Motors

  • EC motors with driven controls PCB
  • Constant torque
  • Permanent magnet
  • 3 speed pre-set to allow precise air balancing
  • AC 3 speed motors are PSC and are permanently lubricated type with internal thermal overload protection.

Filtration

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.

Condensate Pans

Positively sloped steel drain pans with powder finish. Coated with self-extinguishing closed cell expanded polyethylene containing thermal properties. The drain pan outlet is 3/4” (standard on the same side of coil connections).

Flexibility

Left and right water connections easily interchangeable by changing the positions of the water inlet and outlet directions.

Performance

Optimised water circuit designs tested in accredited thermal test rooms to guarantee dependable performance and low water pressure drops. Air flow supplied at 50Pa external static pressure (ESP), varies from 429 to 3019 m3/h at medium speed.

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