The Apex™ Series DU-15 thru -25 Single Package Rooftops Gas/Electric Units & Air Conditioners (9.6 to 10.8 EER)
The convertible DU-15 to -25 commercial rooftop line combines ultra high efficiency and advanced economizer controls with installation flexibility and low installed costs. This new series units also have our Sure Sense control board standard on every unit.

Special Benefits:
● Installation time and costs are reduced by easy power and control wiring.
● All units are factory-wired, piped, charged, and tested prior to shipment.
● Factory-installed options such as stainless steel heat exchanger, electric heating elements, single enthalpy economizer, power exhaust and high static drive blower motor further reduce installation costs.
● Gas and electric utility knockouts are provided on unit side and bottom for easy connections.
● Convertible airflow design means no panel cutting is required, and no accessory panel is necessary.
Wide range of indoor airflows using belt-drive blowers.
● Durable finish, made of powder-painted, galvanized steel to meet 750-hour salt-spray test demands.
● Full-perimeter base rails are permanently attached to provide a solid unit foundation.
● Compressor is internally protected against high pressure and temperature.
● Grooved copper tubes and enhanced aluminum- fin construction improve heat transfer.
● Heat exchangers are corrosion-resistant, with aluminized steel tubular construction for durability and long service life.
● Permanently lubricated condenser and evaporator fan motor bearings need no annual maintenance.
● Complete line of field-installed accessories, propane and high-altitude conversion kits, motorized dampers, single enthalpy economizers, and dual enthalpy sensors are available

The Coleman® Apex™ Series combines high-efficiency and advanced economizer
controls with unprecedented installation flexibility and low installed costs, providing
a great solution for commercial-building applications.

● High and low pressure switches— one each per circuit
● Power ventor motor with pre- and post-purge cycle
● Low voltage circuit breakers
● Simplicity™ control board
● Four independent cooling stages (select Apex™ models only)
● Double “V” coil bank with copper tubes and enhanced aluminum fins (select Apex™ models only)
● Optional factory-mounted disconnect switch and your choice of powered or non-powered convenience outlet
● Four condenser fans (select Apex™ models only)
● Internal fusing
● Class 1 and class 2 transformers
● Two-stage gas train
● Belt drive blower motor
● Capillary tubes sheathed in vinyl to prevent chafing

Available models for Apex™ Series DU-15 thru -25 Single Package Rooftops Gas/Electric Units & Air Conditioners (9.6 to 10.8 EER): DU-15, DU-18, DU-20 and DU-25