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R-410A
AFFINITY SERIES
DNX024-048
2-4 Ton
TABLE OF CONTENTS
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Phasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Gas Heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Limitation
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279550-YIM-A-0207 Due to system pressure, moving parts, and electrical components, installation and servicing of air conditioning equipment can be hazardous. Only qualified, trained service personnel should install, repair, or service this equipment. Improper installation may create a condition where the Untrained personnel can perform basic maintenance functions operation of the product could cause personal injury or of cleaning coils and filters and replacing filters. property damage. I
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279550-YIM-A-0207 3. For installation on combustible material and may be installed directly on combustible flooring or, in the U.S., on wood flooring or Class A, Class B or Class C roof covering materials. Improper installation may create a condition where the 4. For use with natural gas (convertible to LP with kit). operation of the product could cause personal injury or property damage. This product must be installed in strict compliance with the enclosed installation instructions and an
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279550-YIM-A-0207 In Canada: If components are to be added to a unit to meet local codes, they are to be installed at the dealer’s and/or customer’s 1. Canadian Electrical Code, CSA C22.1 expense. 2. Installation Codes, CSA - B149.1. Size of unit for proposed installation should be based on heat 3. Local plumbing and waste water codes, and loss/heat gain calculation made according to the methods of Air 4. Other applicable local codes. Conditioning Contractors of America (ACCA). Refer to unit
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279550-YIM-A-0207 codes. Refer to Table 5 for clearances required for combustible Location construction, servicing, and proper unit operation. Use the following guidelines to select a suitable location for these units: 1. Unit is designed for outdoor installation only. 2. Condenser coils must have an unlimited supply of air. Do not permit overhanging structures or shrubs to Where a choice of location is possible, position the unit on either north or east side of building. obstruct condenser
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279550-YIM-A-0207 Figure 2: Unit 4 Point Load Weight Table 2: Weights and Dimensions Size Weight (lbs.) Center of Gravity 4 Point Load Location (lbs.) (Tons)ShippingOperating X Y ABCD 024 445 440 20 24.5 127 93 93 127 (2.0) 036 445 440 20 24.25 126 91 93 129 (3.0) 048 505 500 20 24 142 102 107 149 (4.0) Table 3: Unit Accessory Weights Weight (lbs.) Unit Accessory Model Shipping Operating Add Economizer All 45 40 6 Unitary Products Group
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279550-YIM-A-0207 Figure 3: Unit Dimensions Table 4: Unit Dimensions Dimensions Unit Size “A” “B” 024 33-1/2 18-1/4 036, 048 41-1/2 23-1/8 1 2 Table 5: Unit Clearances Distance Distance Direction Direction (in.) (in.) 3 Top 36 Right 12 Front 36 Left 24 4 Rear 0 Bottom 0 1. A 1" clearance must be provided between any combustible material and the supply air duct work. 2. The products of combustion must not be allowed to accumulate within a confined space
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279550-YIM-A-0207 Figure 4: Dimensions Front and Bottom Figure 5: Dimensions Back and Bottom 8 Unitary Products Group
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279550-YIM-A-0207 1 Figure 6: Roof Curb Ductwork Roof Curb These units are adaptable to downflow use as well as rear On applications when a roof curb is used, the unit must be supply and return air duct openings. To convert to downflow, positioned on the curb so the front of the unit is tight against the use the following steps: curb. 1. Remove the duct covers found in the bottom return and Filters supply air duct openings. There are four (4) screws securing each duct
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279550-YIM-A-0207 Service Access Thermostat Access to all serviceable components is provided at the The room thermostat should be located on an inside wall following locations: approximately 56" above the floor where it will not be subject to drafts, sun exposure or heat from electrical fixtures or • Blower compartment access panel appliances. Follow manufacturer's instructions enclosed with • Gas control/electrical access panel the thermostat for general installation procedure. Color coded
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279550-YIM-A-0207 NOTE: HEAT ANTICIPATOR SHOULD BE SET AT 0.35 SINGLE STAGE UNIT CONTROL BOARD AMPS FOR ALL MODELS. THERMOSTAT TERMINAL STRIP ** = Minimum wire size of 18 AWG ** R R wire should be used for all field JUMPER NEEDED FOR FULL SPEED installed 24 volt wire. COMPRESSOR OPERATION G G Y Y1 24 VOLT Y/Y2 TRANSFORMER W1 W W2 C C PROGRAMMABLE THERMOSTAT ONLY Figure 8: Typical Field Control Wiring Diagram Single Stage Thermostat - Two Stage Gas Heat Fig
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279550-YIM-A-0207 NOTE: HEAT ANTICIPATOR SHOULD BE SET AT 0.35 2 STAGE UNIT CONTROL BOARD AMPS FOR ALL MODELS. THERMOSTAT TERMINAL STRIP ** = Minimum wire size of 18 AWG ** R R wire should be used for all field installed 24 volt wire. G G Y1 Y1 24 VOLT Y2 Y/Y2 TRANSFORMER W1 W1 W2 W2 C C PROGRAMMABLE THERMOSTAT ONLY Figure 10: Typical Field Control Wiring Diagram Two Stage Thermostat - Two Stage Gas Heat Figure 11: Typical Field Power Wiring Diagram Table 6: Electrical Data OD Fan Suppl
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279550-YIM-A-0207 DNX024-048 Single Stage Gas Heat Models Component DNX024 DNX036 DNX048 Nominal Tonnage 2.0 3.0 4.0 ARI COOLING PERFORMANCE Gross Capacity @ ARI A point (Btu) 24.6 38.4 50.0 ARI net capacity (Btu) 24.0 37.0 48.0 EER 11.5 12.3 11.2 SEER 15.0 16.5 15.0 Nominal CFM 800 1275 1550 System power (KW) 2.1 3.0 4.3 Refrigerant type R-410A R-410A R-410A Refrigerant charge (lb-oz) 7-8 9-12 9-8 ARI HEATING PERFORMANCE Heating model 36 56 65 90 65 90 110 Heat input (K Btu) 45 70 80 108 80 1
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279550-YIM-A-0207 DNX024-048 Two Stage Gas Heat Models Component DNX024 DNX036 DNX048 Nominal Tonnage 2.0 3.0 4.0 ARI COOLING PERFORMANCE Gross Capacity @ ARI A point (Btu) 24.6 38.4 50.0 ARI net capacity (Btu) 24.0 37.0 48.0 EER 11.5 12.3 11.2 SEER 15.0 16.5 15.0 Nominal CFM 800 1275 1550 System power (KW) 2.1 3.0 4.3 Refrigerant type R-410A R-410A R-410A Refrigerant charge (lb-oz) 7-8 9-12 9-8 ARI HEATING PERFORMANCE Heating model 56 90 90 110 Heat input (K Btu) 70/45.5 108/70.2 108/70.2 135
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279550-YIM-A-0207 Compressors The scroll compressor used in this product is specifically designed to operate with R-410A Refrigerant and cannot be interchanged. Scroll compressors require proper rotation to operate properly. Failure to check and correct rotation may result in property damage. Gas Heat This system uses R-410A Refrigerant which operates at These single or two stage gas-fired heaters have aluminized- higher pressures than R-22. No other refrigerant may be steel tubular heat e
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279550-YIM-A-0207 1 Limitations, shown on Page 3. After the gas connections Table 7: Natural Gas Pipe Sizing Chart have been completed, open the main shut-off valve Length Nominal Inches Iron Pipe Size admitting normal gas pressure to the mains. Check all In Feet 1/2” 3/4” 1” 1-1/4” joints for leaks with soap solution or other material suitable 10 132 278 520 1,050 for the purpose. NEVER USE A FLAME. 20 92 190 350 730 30 73 152 285 590 40 63 130 245 500 50 56 115 215 440 60 50 105 195 400 FI
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279550-YIM-A-0207 Table 9: Natural Gas Application Data-Single Stage Temp. Rise ºF 2 Input Output Gas Rate Number of 3 Available On Models At Full Input 1 3 (MBH) (MBH) Ft. /Hr. Burners Min. Max. 2 Ton 45 36 42 2 25 55 2 Ton 70 56 65 3 30 60 3,4 Ton 80 64 74 3 25 55 3 Ton 108 87 100 4 45 75 4 Ton 108 87 100 4 35 65 4 Ton 135 108 126 5 45 75 1. Heating capacity valid for elevations up to 2000 feet above sea level. For elevations above 2,000 feet, rated capacity should be reduced by 4% for each 1
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279550-YIM-A-0207 Airflow Performance Table 13: Side Duct Application External Static Pressure (Inch Water Gauge) Size Thermostat Speed Mode CFM 0.20.3 0.40.5 0.60.7 0.80.9 1.0 (Tons) Input Tap Watts Watts Watts Watts Watts Watts Watts Watts Watts Y1 COOL-A 600 100 122 145 169 194 221 249 279 310 Y1 COOL-B 450 65 81 100 122 147 176 208 243 281 Low Y1 COOL-C 530 81 100 121 145 170 197 226 258 291 Y1 COOL-D 680 127 151 176 202 228 256 284 313 342 Cool Y1+Y2 COOL-A 800 177 204 232 261 290 320 350
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279550-YIM-A-0207 Table 13: Side Duct Application (Continued) External Static Pressure (Inch Water Gauge) Size Thermostat Speed Mode CFM 0.20.3 0.40.5 0.60.7 0.80.9 1.0 (Tons) Input Tap Watts Watts Watts Watts Watts Watts Watts Watts Watts W1 HEAT-A 1200 330 373 416 461 507 554 - - - W1 HEAT-B 1300 394 439 484 531 579 629 - - - N065 W1 HEAT-C 1400 466 513 561 611 663 715 - - - W1 HEAT-D 1500 544 596 648 702 758 815 - - - W1 HEAT-A 1325 412 456 503 550 599 649 - - - W1 HEAT-B 1400 466 513 561 61
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279550-YIM-A-0207 Table 14: Bottom Duct Application (Continued) External Static Pressure (Inch Water Gauge) Size Thermostat Speed Mode CFM 0.20.3 0.40.5 0.60.7 0.80.9 1.0 (Tons) Input Tap Watts Watts Watts Watts Watts Watts Watts Watts Watts Y1 COOL-A 900 198 233 272 313 358 406 458 512 569 Y1 COOL-B 760 166 190 222 262 310 366 431 503 584 Low Y1 COOL-C 830 180 210 245 286 332 384 441 503 571 Y1 COOL-D 970 221 260 302 344 388 434 481 530 579 Cool Y1+Y2 COOL-A 1250 361 408 454 501 548 594 640 68
