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1 Installation........................................ 3 Limitations.................................... 3 Location........................................ 5 Rigging And Handling............................. 5 Ductwork....................................... 9 Roof Curb...................................... 9 Filters......................................... 9 Condensate Drain................................ 9 Service Access................................. 10 Thermostat.................................... 10 Power And Control Wiring......................... 10 Compressors................................... 15 TABLE OF CONTENTS Phasing..................... Gas Heat.................... Flue Vent Hood............... Airflow Performance............. Blower Speed Selection........ Operation ..................... Heating Sequence Of Operation. . Cooling Sequence Of Operations . Start-Up....................... Adjustment of Temperature Rise . Checking Gas Heat Input......... Natural Gas.................. Typical Wiring Diagrams.......... 15 15 16 18 21 22 22 24 25 27 27 27 28 1 Unit Limitations................................. 4 2 Weights and Dimensions ......................... 6 3 Unit Accessory Weights.......................... 6 4 Unit Dimensions................................ 7 5 Unit Clearances ................................ 7 6 Electrical Data................................. 12 7 Natural Gas Pipe Sizing Chart.................... 16 8 Propane (LP) Gas Pipe Sizing Chart............... 16 9 Natural Gas Application Data-Single Stage.......... 17 10 Natural Gas Application Data-Two Stage............ 17 LIST OF TABLES Propane (LP) Gas Application Data-Single Stage Propane (lp) Gas Application Data-Two Stage . . Side Duct Application...................... Bottom Duct Application.................... Additional Static Resistance................. Indoor Blower Specifications................. Delay Profile............................. Ignition Control Board FLASH CODES......... Gas Rate Cubic Feet Per Hour............... 11 12 13 14 15 16 17 18 19 17 17 18 19 21 21 22 24 27 LIST OF FIGURES Unit Dimensions........... Dimensions Front and Bottom Dimensions Back and Bottom Typical Field Control Wiring Diagram Single Stage Thermostat - Single Stage Gas Heat............ Typical Field Control Wiring Diagram Single Stage Thermostat - Two Stage Gas Heat............. Typical Field Control Wiring Diagram Two Stage Thermostat - Single Stage Gas Heat............ 4 10 6 7 11 8 12 8 13 9 14 15 10 16 17 11 18 19 11 20 Typical Field Control Wiring Diagram Two Stage Thermostat - Two Stage Gas Heat........... Typical Field Power Wiring Diagram .......... External Supply Connection External Shut-Off . . Flue Vent Outlet Air Hood.................. Control Board Speed Tap Location........... Single Stage Gas Valve Front............... Two Stage Gas Valve Front................. Single Stage Gas Valve Rear............... Two Stage Gas Valve Rear................. Proper Flame Adjustment .................. R-410A Quick Reference Guide............. 12 12 15 16 22 25 26 26 26 26 36 General YORK® Affinity Model DNX units are cooling/heating air conditioners designed for outdoor installation. Only gas piping, electric power and duct connections are required at the point of installation. The single or two stage gas-fired heaters have spark to pilot ignition. The tubular heat exchangers are aluminized steel. The refrigerant system is fully charged with R-410A Refrigerant, and is tested and factory sealed. Safety Considerations This is a safety alert symbol A. When you see this symbol on labels or in manuals, be alert to the potential for personal injury. Understand and pay particular attention the signal words DANGER, WARNING or CAUTION. DANGER indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury. WARNING indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury. CAUTION indicates a potentially hazardous situation, which, if not avoided may result in minor or moderate injury. It is also used to alert against unsafe practices and hazards involving only property damage. 8 9 279550-YIM-A-0207 279550-YIM-A-0207 AWARNING Improper installation may create a condition where the operation of the product could cause personal injury or property damage. Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual for assistance or for additional information, consult a qualified contractor, installer or service agency. A CAUTION This product must be installed in strict compliance with the installation instructions and any applicable local, state and national codes including, but not limited to building, electrical, and mechanical codes. AWARNING Before performing servi...