The York D7NQ Gas Packaged Air conditioner is designed for outdoor installation. Only utility and duct connections are required at the point of installation. The single or two stage gas-fired heaters have aluminized steel tubular heat exchangers and spark to pilot ignition. They are available in natural gas with field conversion to propane. They shall have built in, equal size, field convertible duct connections for down discharge supply/return or horizontal discharge supply/return. The units shall be factory wired, piped, charged with R-410A Refrigerant and factory tested prior to shipment. All unit wiring shall be both numbered and color coded. All units shall be manufactured in a facility certified to ISO 9001 standards, and the cooling performance shall be rated in accordance with DOE and AHRI test procedures. The heating performance shall be rated to DOE and GAMA test procedures. Units shall be CSA listed and classified to ANSI Z21.47/CAN/CSA 2.3 standards and UL 1995/CAN/CSA No. 236-M90 conditions.
Standard Features:
Operating Efficiency: DNQ Model gas units provide a minimum AFUE of 81 and 14 SEER/12 EERs
On Site Flexibility
Lower Installation Cost
Utility Connections Made Easy
Convertible Airflow Design
Condensate Pan
Condensate Drain
Durable Finish
Full Perimeter Base Rails
More Attractive Appearance
Top Discharge
Condenser Coil Grille
Low Operating Sound Level
Fan System
Simple Control Circuit
Protected Compressor
Pressure Switches
Exclusive Coil Design
Heat Exchangers
Post Purge Induced Draft Combustion
Self Diagnostic Fan Control Module
Spark To Pilot Ignition
Multi Port In-shot Burners
Low Maintenance
Secured Service Access Ports
Easy Service Access
System Integration
Cabinet Features:
Unit cabinet shall be constructed of G-90, pre-paint textured steel
The unit top shall be a single piece ?Water Shed inches design, with drip edges and no-seam corners to provide optimum water integrity
Unit shall have a rigidly mounted condenser coil guard to provide protection from objects and personnel after installation
Indoor blower section shall be insulated with up to 3/4 inches thick, aluminum, foil faced insulation, fastened to prevent insulation from entering the air stream
Cabinet panels shall be large size, easily removable for servicing and maintenance, with built-in lift handle
Unit shall be built on a formed, Super-Structure design base pan, with embossments at critical points to add strength, rigidity and aidin minimizing sound
Full perimeter base rails shall be provided to assure reliable transit of equipment, overhead rigging, for truck access and proper sealing on roof curb application
Base rails shall be removable, when required, to lower unit height
Condensate pan shall be internally sloped and conform to ASHRAE 62-89 self-draining standards, with 3/4 inches NPTF ridged mount connection