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R-410A
AFFINITY SERIES
DEX024-048
DEY060
2-5 Ton
TABLE OF CONTENTS
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Phasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
L
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288429-YIM-A-0307 Wear safety glasses and work gloves. Use quenching cloth and have a fire extinguisher available during brazing operations. Inspection This product must be installed in strict compliance with As soon as a unit is received, it should be inspected for possible the installation instructions and any applicable local, damage during transit. If damage is evident, the extent of the state and national codes including, but not limited to damage should be noted on the carrier’s freight
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288429-YIM-A-0307 Refer to Table 6 for unit physical data and to Table 5 for electrical Installation data. Limitations If components are to be added to a unit to meet local codes, they are to be installed at the dealer's and/or the customer's These units must be installed in accordance with the following expense. national and local safety codes. 1. National Electrical Code ANSI/NFPS No. 70 or Canadian Size of unit for proposed installation should be based on heat Electrical Code Part 1, C2
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288429-YIM-A-0307 Location Rigging And Handling Use the following guidelines to select a suitable location for Exercise care when moving the unit. Do not remove any these units. packaging until the unit is near the place of installation. Rig the unit by attaching chain or cable slings to the lifting holes 1. Unit is designed for outdoor installation only. provided in the base rails. Spreader bars, whose length 2. Condenser must have an unlimited supply of air. Where a exceeds the largest di
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288429-YIM-A-0307 Table 2: Unit Accessory Weights Weight (lbs.) Unit Accessory Model Shipping Operating Add Economizer All 45 40 1 Add Electric Heat All 13 12 1. Weight given is for the maximum heater size available (25 kW). Figure 3: Unit Dimensions Table 3: Unit Dimensions Front Dimensions Unit Size “A” 024, 030, 036 33-1/2 1 042, 048, 060 41-1/2 1. DEY Models Table 4: Unit Clearances Distance Distance Direction Direction (in.) (in.) 1 Top 36
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288429-YIM-A-0307 Figure 4: Dimensions Front and Bottom Figure 5: Dimensions Back and Bottom 6 Unitary Products Group
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288429-YIM-A-0307 1 Figure 6: Roof Curb Ductwork NOTE: Be sure to note supply and return openings. Refer to Figures 4 and 5 for information concerning rear and These units are adaptable to downflow use as well as rear bottom supply and return air duct openings. supply and return air duct openings. To convert to downflow, use the following steps: Roof Curb 1. Remove the duct covers found in the bottom return and On applications when a roof curb is used, the unit must b
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288429-YIM-A-0307 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 • Electrical/Filter access panel the thermostat for general installation procedure. Six color • Comp
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288429-YIM-A-0307 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 W W2 W1 C C PROGRAMMABLE THERMOSTAT ONLY Figure 8: Typical Field Control Wiring Diagram 2 Stage Thermostat Figure 9: Typical Field Power Wiring Diagram Table 5: Electrical Data 2 OD Fan Supply Max Fuse / Compressors 1
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288429-YIM-A-0307 Table 5: Electrical Data (Continued) 2 OD Fan Supply Max Fuse / Compressors 1 3 Motors Blower Electric Heat Option Size MCA Breaker (each) Model Volt (each) Motor (Tons) (Amps) Size (Amps) RLA LRA MCC FLA FLA Model kW Stages Amps None - - - 29 35 2NH04500506 3.8/5 1 18.1/20.8 51.5/55 60/60 208/230-1-60 16.6 96 26 1.4 6.8 2NH04500706 5.6/7.5 2 27.1/31.3 62.8/68 70/70 2NP04501006 7.5/10 2 36.1/41.7 74.1/81 80/90 2NP04501506 11.3/15 2 54.2/62.5 96.7/107.1 100/110 042 DEX None -
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288429-YIM-A-0307 Table 6: Physical Data (Continued) Models Component DEX024 DEX030 DEX036 DEX042 DEX048 DEY060 Nominal Tonnage 2.0 2.5 3.0 3.5 4.0 5.0 DIMENSIONS (inches) Length 49 1/8 49 1/8 49 1/8 49 1/8 49 1/8 49 1/8 Width 47 1/4 47 1/4 47 1/4 47 1/4 47 1/4 47 1/4 Height 33 1/2 33 1/2 33 1/2 41 1/2 41 1/2 41 1/2 OPERATING WT. (lbs.) 355 390 400 410 440 460 COMPRESSORS Type Scroll 2-spd Scroll 2-spd Scroll 2-spd Scroll 2-spd Scroll 2-spd Scroll 2-spd Quantity 1 1 1 1 1 1 CONDENSER COIL DATA
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288429-YIM-A-0307 Procedures which risk oil leakage include, but are not limited to, Phasing compressor replacement, repairing refrigerant leaks, replacing Three-phase, scroll compressors operate in only one direction. refrigerant components such as filter drier, pressure switch, If the scroll is drawing low amperage, has similar suction and metering device or coil. discharge pressures, or is producing a high noise level, the Units are shipped with compressor mountings which are factory s
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288429-YIM-A-0307 Table 7: Side Duct Application (Continued) External Static Pressure (Inch Water Gauge) Size Thermostat Speed Model Mode CFM 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 (Tons) Input Tap Watts Watts Watts Watts Watts Watts Watts Watts Watts Y1 COOL-A 1050 184 216 248 280 313 346 380 414 449 Y1 COOL-B 920 139 166 195 224 255 286 319 352 386 Low Y1 COOL-C 980 159 188 218 249 281 313 346 379 414 Y1 COOL-D 1120 211 245 279 313 348 382 417 452 486 Cool Y1+Y2 COOL-A 1600 448 500 551 600 647 69
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288429-YIM-A-0307 Table 8: Bottom Duct Application (Continued) External Static Pressure (Inch Water Gauge) Size Thermostat Speed Model Mode CFM 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 (Tons) Input Tap Watts Watts Watts Watts Watts Watts Watts Watts Watts Y1 COOL-A 920 139 166 195 224 255 286 319 352 386 Y1 COOL-B 790 100 124 149 176 205 235 266 299 333 Low Y1 COOL-C 850 117 143 170 198 227 257 289 322 356 Y1 COOL-D 980 159 188 218 249 281 313 346 379 414 Cool Y1+Y2 COOL-A 1400 338 383 426 468 509 54
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288429-YIM-A-0307 Table 9: Additional Static Resistance (Continued) Size 1 Model CFM Wet Indoor Coil Economizer Filter/Frame Kit Electric Heat (Tons) 1100 0.03 0.01 0.03 0.05 1200 0.04 0.02 0.03 0.06 042 1300 0.04 0.03 0.03 0.07 DEX (3.5) 1400 0.04 0.04 0.03 0.08 1500 0.05 0.05 0.04 0.09 1600 0.06 0.06 0.05 0.10 1100 0.03 0.01 0.03 0.05 1200 0.04 0.02 0.03 0.06 1300 0.04 0.03 0.03 0.07 1400 0.04 0.04 0.03 0.08 048 1500 0.04 0.05 0.04 0.09 DEX (4.0) 1600 0.04 0.06 0.05 0.10 1700 0.05 0.07 0.05 0.
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288429-YIM-A-0307 Table 13: DEX024 Superheat Charging Superheat at Compressor Suction (°F), Airflow = 800 CFM Outdoor Temp Indoor Wet Bulb Temp (°F) (°F) 55 57 59 61 63 65 67 69 71 73 75 65 23.4 24.2 25.0 25.8 26.7 27.5 28.3 28.1 27.9 27.8 27.7 70 20.8 21.6 22.4 23.2 24.0 24.8 25.6 25.7 25.9 25.9 26.0 75 18.3 19.1 19.8 20.6 21.3 22.1 22.8 23.3 23.8 24.1 24.3 80 15.8 16.5 17.2 17.9 18.6 19.3 20.1 20.9 21.8 22.2 22.6 85 13.2 13.9 14.6 15.3 15.9 16.6 17.3 18.5 19.7 20.3 20.9 90 12.9 13.5 14.0
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288429-YIM-A-0307 Table 17: DEX048 Superheat Charging Superheat at Compressor Suction (°F), Airflow = 1600 CFM Outdoor Temp Indoor Wet Bulb Temp (°F) (°F) 55 57 59 61 63 65 67 69 71 73 75 65 10.1 10.0 9.9 9.8 9.8 9.7 9.6 9.6 9.7 9.7 9.7 70 9.9 9.8 9.7 9.7 9.6 9.5 9.5 9.5 9.6 9.6 9.6 75 9.7 9.6 9.5 9.5 9.4 9.4 9.3 9.4 9.5 9.5 9.5 80 9.5 9.4 9.4 9.3 9.3 9.2 9.2 9.3 9.4 9.4 9.5 85 9.2 9.2 9.2 9.1 9.1 9.0 9.0 9.1 9.2 9.3 9.4 90 8.8 8.9 8.9 8.9 9.0 9.0 9.1 9.2 9.4 9.5 9.5 95 8.4 8.5 8.6 8.7 8.9 9.0 9
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288429-YIM-A-0307 Fan Only CFM: operate the blower at high speed and energizes the compressor solenoid to close the bypass ports so that the When the connection is made from “R” to “G”, the fan only compressor operates at full capacity. If the outdoor fan mode is activated. In this mode, the blower will deliver 75% of motor has an ECM controller, the 24 volts at "Y2" signals the cooling system CFM. This connection is factory set from the the motor to operate at high speed. manufacturer a
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288429-YIM-A-0307 Table 20: Thermostat Signals (Single Phase Units) Signal State Board Function ON BLOWER INSTANT ON AT 75% RATED AIRFLOW G OFF BLOWER INSTANT OFF BLOWER INSTANT ON ON COMPRESSOR AND OUTDOOR FAN INSTANT ON (AFTER ANTI-SHORT CYCLE DELAY) G & Y1 SYSTEM OPERATES IN FIRST STAGE COOLING COMPRESSOR AND OUTDOOR FAN INSTANT OFF OFF BLOWER OFF DELAY DETERMINED BY “DELAY” JUMPER SETTING BLOWER INSTANT ON ON COMPRESSOR AND OUTDOOR FAN INSTANT ON (AFTER ANTI-SHORT CYCLE DELAY) G, Y1 & Y2 SYS
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288429-YIM-A-0307 Maintenance Normal Maintenance Exercise care when cleaning the coil so that the coil fins are not damaged. Do not permit the hot condenser air discharge to be obstructed by overhanging structures or shrubs. Prior to any of the following maintenance procedures, shut off all power to the unit, to avoid personal injury. Troubleshooting Periodic maintenance consists of changing or cleaning filters and general cleaning of the outdoor coil. FILTERS - Inspect once a month. Replace
