描述：Series OPAArchitectural Cabinet ConvectorPower without noiseThe architectural convection units in the OPA series are well suited for applications requiring a power rating of 4000W without fan noise. The heater can be recessed if warm air outlets are in front (option-FR). A large number of options are available for wall-to-wall installation.FeaturesColor• Standard: white, almond.• Optional (upcharge applicable): metallic silver, bronze, metallic charcoal, aluminum, semi-gloss black, sand.• Custom colors available upon request.Finish• Standard: epoxy/polyester powder paint.Voltage• 208V, 240/208V, 277V, 347V, 600V, 1 phase.Construction• Front fresh air inlet; top warm air outlet. - Front warm air outlet available (-FR).Heating element• Two stainless steel tubular heating elements with aluminum fins. • Floating elements on high-temperature nylon bushings reducing expansion noises. Watt density• Average standard watt density of 500W/ft.• Average low watt density of 375W/ft.Control• Built-in tamperproof thermostat available.• Mechanical, electronic or pneumatic relays available.Ouellet highly recommends use of an electronic wall thermostat for greater comfort.Installation• Front outlet -FR models may be recessed.Warranty• 3-year warranty against defects.Application• Commercial building, office building, hospital, daycare center.