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246721-YTG-C-0606
TECHNICAL
GUIDE
DESCRIPTION
ASHRAE 90.1 COMPLIANT
® ®
YORK Predator MagnaDry™ units are convertible single
packages with a common footprint cabinet and common roof
curb for all 7-1/2 through 12-1/2 ton models. All units have
two compressors with independent refrigeration circuits to
MagnaDRY™
provide 2 stages of cooling. The units were designed for light
commercial applications and can be easily installed on a roof
SINGLE PACKAGE AIR CONDITIONERS
curb, slab, or fr
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246721-YTG-C-0606 TABLE OF CONTENTS DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 30 SLAB ECONOMIZER DOWNFLOW W/POWER EXHAUST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 31 SLAB ECONOMIZER END RETURN W/POWER FACTORY INSTALLED OPTIONS . . . . . . . . . . . . . . . . . . . . . 6 EXHAUST . . . . . . . . . . . . . . . . . . . . . . . .
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246721-YTG-C-0606 14 ELECTRICAL DATA DR120 WITH PWRD 26 BLOWER PERFORMANCE DR150 SIDEFLOW . . . . . . . 37 CONVENIENCE OUTLET . . . . . . . . . . . . . . . . . . . . . . . . . 27 27 BLOWER PERFORMANCE DR150 SIDEFLOW 15 ELECTRICAL DATA DR150 W/O PWRD ECONOMIZER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 CONVENIENCE OUTLET . . . . . . . . . . . . . . . . . . . . . . . . . 28 28 BLOWER PERFORMANCE DR150 DOWNFLOW . . . . . 39 16 ELECTRICAL DATA DR150 W/PWRD 29 BLOWER PERFO
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246721-YTG-C-0606 Simplicity® control board w/ Disconnect location Filter drier (solid core) Filter access (2” throw-away) screw connector for T-stat wiring (optional disconnect switch) and network connections Terminal block for hi-voltage connection Condenser section Second model nameplate Slide-out motor and inside hinged blower assembly fo access panel easy adjustment and service Dual stage Belt-drive cooling for blower motor maximum comfort Power ventor motor Compressor #2 access (
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246721-YTG-C-0606 Simplicity™ Control Disconnect Filter access board w/screw location (optional (2" throw-away) Second model connectors for T-stat disconnect switch) Filter drier (solid core) nameplate inside wiring and Network hinged access panel Connection Condenser Section Dual stage cooling Belt-drive blower for maximum motor comfort Slide out motor and blower Compressor #2 assembly for easy access adjustment and (high-efficiency service compressor w/ crankcase heater) Power ventor motor 20-
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246721-YTG-C-0606 return is desired, the installer simply removes the two Alarms and programmed values are retained side duct covers from the outside of the unit and installs through the loss of power. them over the down shot openings. No panel cutting is • Reliable – From the beginning – All units undergo com- required. Convertible airflow design allows maximum puter automated testing before they leave the factory. field flexibility and minimum inventory. Units are tested for refrigerant ch
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246721-YTG-C-0606 • Downflow Economizer - (With barometric relief) - • Alternate Indoor Blower Motor - For applications with The economizer is provided with a single enthalpy high static restrictions, units are offered with optional input. The economizer is 2% low leakage type, and is indoor motors that provide higher static output and/or shipped installed and wired. The installer needs only higher airflow, depending upon the installer’s needs. to assemble and mount the outdoor air hood (Pro-
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246721-YTG-C-0606 • Technicoat Condenser Coils - The condenser coils are Includes air supply sensor, return air sensor, dirty filter coated with a phenolic coating for protection against cor- indicator switch, and air proving switch. rosion due to harsh environments. FIELD INSTALLED ACCESSORIES • Technicoat Evaporator Coil - The evaporator coils are ® coated with a phenolic coating for protection against cor- YORK offers several equipment accessories for field instal- rosion due to harsh envi
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246721-YTG-C-0606 • Power Exhaust - This accessory installs in the unit with included with the heaters. All heaters are intended for a down flow economizer. Power exhaust plugs into the single point power supply. connector in the unit bulkhead. You must purchase • Low Limit / Compressor Lockout Kit 1EH0408 barometric relief when applying to a hori- 1. Compressor Lockout (CLO): To prevent mechanical zontal flow application. (compressorized) operation of the unit during cold • Manual Outdoor
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246721-YTG-C-0606 When the room thermostat calls for second stage cooling, the falls below 175 psig. Both outdoor fans of circuit #1 in the RCB senses a signal through "Y1" & "Y2" and engages circuit DR150 also disengage to conserve energy.) The unit then #1 and circuit #2 in cooling mode. operates with circuit #1 in reheat mode and circuit #2 in cool- ing mode. Indoor blower operation is initiated upon a call for first stage cooling, second stage cooling or dehumidification. When the room therm
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246721-YTG-C-0606 FIGURE 4 - DR090 & 120 REHEAT CONTROLS Unitary Products Group 11
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246721-YTG-C-0606 FIGURE 5 - DR150 REHEAT CONTROLS 12 Unitary Products Group
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246721-YTG-C-0606 TABLE 1: ACCESSORIES Part Number Description Weight 1RC0470 Roof Curb, 8" Height - 1RC0471 Roof Curb, 14" Height - 1RC0472 Roof Curb, Transition (7.5 T through 12.5 T) - 1BD0408 Burglar Bars, Downflow - 2TP04520925 Electric Heat 9kW 230V - 2TP04521825 Electric Heat 18kW 230V - 2TP04522425 Electric Heat 24kW 230V - 2TP04523625 Electric Heat 36kW 230V - 2TP04525425 Electric Heat 54kW 230V - 2TP04520946 Electric Heat 9kW 460V - 2TP04521846 Electric Heat 18kW 460V - 2TP04522446 Ele
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246721-YTG-C-0606 NOMENCLATURE ® 7.5-12.5 Ton York Model Number Nomenclature D R 090 N10 A 2 A AA 3 0 1 2 4 A Product Category Product Style D = A/C, Single Pkg., R-22 A = Style A B = Style B C = Style C Product Identifier R = REHEAT Configuration Options (not required for all units) These four digits will not be assigned until a quote is requested, or an order placed. SS Drain Pan CPC Controller, DFS, APS Nominal Cooling Capacity Johnson Controller, DFS, APS 090 = 7.5 Ton Honeywell Controller,
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246721-YTG-C-0606 TABLE 2: PHYSICAL DATA Models Component 90 120 150 Blower, Centrifugal (Dia. X Wd. In.) 15 x 15 15 x 15 15 x 15 Evaporator Motor, Standard (HP) 1-1/2 2 3 Blower Motor, Optional (HP) 2 3 5 Rows 3 4 4 Fins per Inch 15 15 15 Evaporator Coil Height (in.) 324040 Face Area (ft.2) 10.6 13.2 13.2 Rows 2 2 2 Fins per Inch 13 13 13 Reheat Coil Height (in.) 283636 Face Area (ft.2) 7.8 10 10 Quantity 2 2 4 Propeller Dia. (in., each) 24 24 24 Condenser Fan Motor (HP, each) 1/3 3/4 1/3 CFM,
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246721-YTG-C-0606 TABLE 3: DR CAPACITY RATINGS Cooling Capacity Nominal Gas Heat Capacity 1 Gas ARI Ratings Sound Electric Line Rating Heat Size Model CFM Seasonal Temp. Size 2 3 Input Output (dB) Capacity MBH EER IPLV Efficiency Rise (in. OD) (MBH) (MBH) (kW) (%) (°F) Cooling -- - - - - Only Electric 9, 18, 24, -- - - - 090 90 11.2 11.65 3000 84 Heat 36 Gas Heat - 120 96 80 15-45 3/4 Gas Heat - 180 144 80 30-60 3/4 Cooling -- - - - - Only Electric 18, 24, 36, -- - - - 120 116 11.2 11.40 3480
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246721-YTG-C-0606 TABLE 5: COOLING CAPACITY DR090 UNIT Air On Temperature of Air on Condenser Coil 85°F Temperature of Air on Condenser Coil 95°F Evap. Coil Total Tot. Sensible Capacity (MBH) Total Tot. Sensible Capacity (MBH) * † * † CFM WB (°F) Cap. Input Return Dry Bulb (°F) Cap. Input Return Dry Bulb (°F) (MBH) (kW) (MBH) (kW) 86 83 80 77 74 71 68 86 83 80 77 74 71 68 72 105 6.7 60 54 47 41 35 28 22 96 7.3 57 50 44 38 31 25 18 67 94 6.5 73 67 61 54 48 41 35 87 7.1 70 64 57 51 45 38 32 2250 6
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246721-YTG-C-0606 TABLE 6: COOLING CAPACITY DR090 UNIT (ALTERNATE REHEAT MODE) Air On Evap. Coil Temperature of Air on Condenser Coil 85°F Temperature of Air on Condenser Coil 95°F Tot. Sensible Capacity (MBH) Tot. Sensible Capacity (MBH) Total Total † † CFM WB (°F) Cap.* Input Return Dry Bulb (°F) Cap.* Input Return Dry Bulb (°F) (MBH) (kW) (MBH) (kW) 86 83 80 77 74 71 68 86 83 80 77 74 71 68 72 44 6.6 10 3 ----- 39 6.9 10 4 ----- 67 39 6.3 17 11 4 ---- 34 6.6 14 8 2 ---- 2250 62 35 6.0 24 18 1
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246721-YTG-C-0606 TABLE 7: COOLING CAPACITY DR120 UNIT Air On Evap. Coil Temperature of Air on Condenser Coil 85°F Temperature of Air on Condenser Coil 95°F Total Tot. Sensible Capacity (MBH) Total Tot. Sensible Capacity (MBH) 1 2 1 2 CFM WB (°F) Cap. Input Return Dry Bulb (°F) Cap. Input Return Dry Bulb (°F) (MBH) (kW) 86 83 80 77 74 71 68 (MBH) (kW) 86 83 80 77 74 71 68 72 134 8.6 80 72 63 54 46 37 29 126 9.4 76 67 59 50 42 33 24 67 121 8.4 96 88 79 71 62 53 45 113 9.1 93 85 76 67 59 50 42 300
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246721-YTG-C-0606 TABLE 8: COOLING CAPACITY DR120 UNIT (ALTERNATE REHEAT MODE) Air On Evap. Temperature of Air on Condenser Coil 85°F Temperature of Air on Condenser Coil 95°F Coil Total Tot. Sensible Capacity (MBH) Total Tot. Sensible Capacity (MBH) WB 1 2 1 2 CFM Cap. Input Return Dry Bulb (°F) Cap. Input Return Dry Bulb (°F) (°F) (MBH) (kW) (MBH) (kW) 86 83 80 77 74 71 68 86 83 80 77 74 71 68 72 56 8.8 9 1 ----- 48 9.1 18 9 1 ---- 67 50 8.4 21 13 4 ---- 43 8.7 17 8 ----- 3000 62 43 8.0 32 24
