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262292-YTG-B-0107
DESCRIPTION
TECHNICAL GUIDE
YORK Sunline MagnaDRY™ units are convertible single
package high efficiency rooftops. All models have independent
dual refrigerant circuits for efficient part load operation.
Although the units are primarily designed for curb mounting on
SUNLINE MagnaDRY™
a roof, they can also be slab-mounted at ground level or set on
steel beams above a finished roof.
All units include:
GAS/ELECTRIC SINGLE
• Powder Paint finish that meets ASTM-B-117 1000 h
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262292-YTG-B-0107 TABLE OF CONTENTS DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Tbl. # Pg. # PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . .3 9 COOLING CAPACITIES FOR WR300 (ALTERNATE FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 REHEAT MODE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 FACTORY-INSTALLED OPTIONS . . . . . . . . . . . . . . . . . . .8 10 ALTITUDE CORRECTION FACTORS .
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262292-YTG-B-0107 PRODUCT NOMENCLATURE 15-25 Ton Sunline MagnaDRY™ Model Number Nomenclature W R 180 N24 A 2 A AA 1 0 1 2 4 A Product Category Product Style W = A/C, Single Pkg., A = Style A R-22 w/6-Row Evap. Configuration Options (not required for all units) Product Identifier These four digits will not be assigned until a quote is requested, or an order placed. SS Drain Pan R = 90.1 w/Reheat CPC Controller, DFS, APS Johnson Controller, DFS, APS Nominal Cooling Capacity Honeywell Controller, D
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262292-YTG-B-0107 outdoor ambient without additional assistance. Optionally, FEATURES the control board can be programmed to lockout the compressors when the outdoor air temperature is low or All models are available with a wide variety of factory-mounted when free cooling is available. options such as stainless steel heat exchangers, phase monitor, dirty filter switch, and coil guard to make them suitable • Anti-Short Cycle Protection - To aid compressor life, an for almost every applica
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262292-YTG-B-0107 LOCATION OF VFD (Optional) LOCATION OF VFD BYPASS (Optional) FIGURE 1: UNIT CUTAWAY • Electric Heat Operation - All electric heat models “NORMAL” MODE (factory installed only) are wired for a single power source When the reheat control board (RCB) detects a need for and include a bank of nickel chromium elements mounted dehumidification (24VAC) at "HUM" via the field supplied at the discharge of the supply air blower to provide a high dehumidistat connected to RHTB-1 and R
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262292-YTG-B-0107 Anytime there is a call for 2 stages of cooling, the unit will not When the room thermostat calls for first stage cooling while operate in the reheat mode, even if there is a call for there is still a call for dehumidification, no operational change is dehumidification at "HUM". made. The call for cooling is ignored and the unit continues to operate with circuit #1 in reheat mode and circuit #2 in cooling The unit will not operate in the reheat mode if there is any call mo
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262292-YTG-B-0107 UCB RHB UNIT CONTROL REHEAT CONTROL BOARD BOARD HUM HUMIDIFY TERMINAL RHR REHEAT RELAY RHTB REHEAT TERMINAL BLOCK FIGURE 3: REHEAT CONTROLS - PART 1 REHEAT SOLENOID 1 REHEAT REHEAT SOLENOID 3 SOLENOID 2 UCB UNIT CONTROL BOARD RHB REHEAT CONTROL BOARD FIGURE 4: REHEAT CONTROLS - PART 2 Unitary Products Group 7
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262292-YTG-B-0107 A ‘VFD-ready’ option provides the provisions for a cus- FACTORY-INSTALLED OPTIONS tomer-installed drive. The unit comes with a mounting • SINGLE INPUT ELECTRONIC ENTHALPY bracket installed in the Blower Access compartment which ECONOMIZERS - Includes a slide-in / plug-in damper may accommodate other vendor’s drives depending on assembly with fully modulating spring-return motor their size. In order to utilize the unit’s mounting bracket, actuator capable of introducing u
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262292-YTG-B-0107 struction mode operation, 365-day real time clock with 7 day programming plus holiday scheduling is built-in. Two different modes of demand ventilation are achieved sensors. It through the INTELLI-Comfort™ using CO 2 Factory installed smoke detectors in the return air, uses an inside CO sensor to perform Demand Ventila- 2 may be subjected to freezing temperatures during tion. It can also use an Outside CO sensor to perform Dif- 2 “off” times due to out side air infiltrat
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262292-YTG-B-0107 Power exhaust is not available as a field installed pressure on units with an economizer without power option. exhaust. This accessory includes a rain hood, a bird screen and a fully assembled damper. With bottom duct • ROOF CURBS - Fourteen-inch high roof curbs provide a connections, the damper should be mounted over the water-tight seal between the unit and the finished roof. opening in the return air panel. With horizontal ductwork, These full perimeter curbs meet th
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262292-YTG-B-0107 1 TABLE 1: SOUND POWER RATING -12 SOUND POWER (db 10 Watts) ESP BLOWER UNIT Octave Band Centerline Frequency (Hz) dB(A) CFM SIZE SWL @ dB(A) IWG RPM BHP 63 125 250 500 1,000 2,000 4,000 8,000 2 10Ft. WR180 6,000 1.00 1,080 4.60 99 99 89 82 84 77 72 67 89 56 WR240 8,000 1.00 1,120 6.65 102 102 92 85 87 80 75 70 92 59 WR300 10,000 1.30 1160 12.5 108 108 98 91 93 86 81 76 98 65 1. These values have been accessed using a model of sound propagation from a point source into the hemis
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262292-YTG-B-0107 TABLE 4: COOLING CAPACITIES FOR WR180 Temperature of Air on Condenser Coil Air on Evaporator Coil 75°F 85°F * 2 * 2 Sensible Capacity (MBH) Sensible Capacity (MBH) Total Total Total Total WB 1 1 Return Dry Bulb (°F) Return Dry Bulb (°F) CFM Cap. Input Cap. Input (°F) (MBH) (kW) (MBH) (kW) 90 85 80 75 70 65 90 85 80 75 70 65 77 217 10.8 7471594530 16 210 11.8 807358 432814 72 200 10.5 115 100 86 72 57 43 193 11.6 114 99 85 70 55 40 3750 67 184 10.2 156 128 113 99 84 70 177 11.3
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262292-YTG-B-0107 TABLE 4: COOLING CAPACITIES FOR WR180 (CONTINUED) Temperature of Air on Condenser Coil Air on Evaporator Coil 115°F 125°F * 2 * 2 Sensible Capacity (MBH) Sensible Capacity (MBH) Total Total Total Total WB 1 1 Return Dry Bulb (°F) Return Dry Bulb (°F) CFM Cap. Input Cap. Input (°F) (MBH) (kW) (MBH) (kW) 90 85 80 75 70 65 90 85 80 75 70 65 77 187 15.8 7366503417 - 179 17.3 746047 3013 - 72 172 15.6 110 93 77 61 44 28 165 17.1 108 91 74 57 40 23 3750 67 157 15.4 146 120 104 88 71
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262292-YTG-B-0107 TABLE 5: COOLING CAPACITIES FOR WR240 Temperature of Air on Condenser Coil Air on Evaporator Coil 75°F 85°F * 2 * 2 Sensible Capacity (MBH) Sensible Capacity (MBH) Total Total Total Total WB 1 1 Return Dry Bulb (°F) Return Dry Bulb (°F) CFM Cap. Input Cap. Input (°F) (MBH) (kW) (MBH) (kW) 90 85 80 75 70 65 90 85 80 75 70 65 77 287 15.1 117 99 80 62 43 25 278 16.4 112 96 77 58 39 20 72 263 14.6 152 134 115 96 78 59 254 16.0 150 131 112 93 74 55 5000 67 238 14.2 187 168 150 131 1
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262292-YTG-B-0107 TABLE 5: COOLING CAPACITIES FOR WR240 (CONTINUED) Temperature of Air on Condenser Coil Air on Evaporator Coil 115°F 125°F * 2 * 2 Sensible Capacity (MBH) Sensible Capacity (MBH) Total Total Total Total WB 1 1 Return Dry Bulb (°F) Return Dry Bulb (°F) CFM Cap. Input Cap. Input (°F) (MBH) (kW) (MBH) (kW) 90 85 80 75 70 65 90 85 80 75 70 65 77 240 21.3 101 86 66 46 27 - 225 23.1 100 81 63 43 23 - 72 221 21.0 140 120 101 81 61 42 208 22.8 136 117 97 77 57 37 5000 67 202 20.7 179 15
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262292-YTG-B-0107 TABLE 6: COOLING CAPACITIES FOR WR300 Temperature of Air on Condenser Coil Air on Evaporator Coil 75°F 85°F * 2 * 2 Sensible Capacity (MBH) Sensible Capacity (MBH) Total Total Total Total WB 1 1 Return Dry Bulb (°F) Return Dry Bulb (°F) CFM Cap. Input Cap. Input (°F) (MBH) (kW) (MBH) (kW) 90 85 80 75 70 65 90 85 80 75 70 65 77 331 17.7 186 162 137 113 88 64 322 20.0 168 144 119 95 70 46 72 315 17.2 212 187 163 138 114 90 303 19.4 199 175 151 126 102 78 6250 67 299 16.7 237 213
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262292-YTG-B-0107 TABLE 6: COOLING CAPACITIES FOR WR300 (CONTINUED) Temperature of Air on Condenser Coil Air on Evaporator Coil 115°F 125°F * 2 * 2 Sensible Capacity (MBH) Sensible Capacity (MBH) Total Total Total Total WB 1 1 Return Dry Bulb (°F) Return Dry Bulb (°F) CFM Cap. Input Cap. Input (°F) (MBH) (kW) (MBH) (kW) 90 85 80 75 70 65 90 85 80 75 70 65 77 281 26.6 128 108 84 60 36 12 265 28.8 122 99 75 51 27 - 72 262 26.0 172 148 124 100 76 52 248 28.2 165 141 117 93 69 45 6250 67 243 25.3 21
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262292-YTG-B-0107 TABLE 7: COOLING CAPACITIES FOR WR180 (ALTERNATE REHEAT MODE) Temperature of Air on Condenser Coil Air on Evaporator Coil 75°F 85°F 2 * 2 * Total Total Sensible Capacity (MBH) Total Total Sensible Capacity (MBH) WB 1 1 CFM Cap. Input Return Dry Bulb (°F) Cap. Input Return Dry Bulb (°F) (°F) (MBH) (kW) (MBH) (kW) 90 85 80 75 70 65 90 85 80 75 70 65 67 88 10.6 23 2119 1614 11 80 11.2 181614 1210 9 4500 62 79 10.1 44 4239 373532 72 10.8 353432 3028 26 57 70 9.9 48 4644 413936 66 1
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262292-YTG-B-0107 TABLE 8: COOLING CAPACITIES FOR WR240 (ALTERNATE REHEAT MODE) Temperature of Air on Condenser Coil Air on Evaporator Coil 75°F 85°F 2 * 2 * Total Total Sensible Capacity (MBH) Total Total Sensible Capacity (MBH) WB 1 1 CFM Cap. Input Return Dry Bulb (°F) Cap. Input Return Dry Bulb (°F) (°F) (MBH) (kW) (MBH) (kW) 90 85 80 75 70 65 90 85 80 75 70 65 67 100 15.9 20 18 16 14 12 10 94 16.6 13 12 11 9 8 7 6000 62 93 15.1 44 4240 383635 86 15.9 302927 2625 23 57 83 15.1 50 4846 454341
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262292-YTG-B-0107 TABLE 9: COOLING CAPACITIES FOR WR300 (ALTERNATE REHEAT MODE) Temperature of Air on Condenser Coil Air on Evaporator Coil 75°F 85°F 2 * 2 * Total Total Sensible Capacity (MBH) Total Total Sensible Capacity (MBH) WB 1 1 CFM Cap. Input Return Dry Bulb (°F) Cap. Input Return Dry Bulb (°F) (°F) (MBH) (kW) (MBH) (kW) 90 85 80 75 70 65 90 85 80 75 70 65 67 140 21.1 19 17 16 14 12 10 129 22.3 12 11 9 8 7 6 7500 62 128 19.9 88 86 84 82 80 78 119 21.1 68 67 66 65 64 62 57 117 18.8 104 1
