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FORM 150.64-EG1 (505)
AIR-COOLED
SCROLL CHILLERS
STYLE D
YCAL0041 – YCAL0065
50 AND 60HZ
47 – 60 TON
165 – 210 KW
R-22
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Table of Contents FORM 150.64-EG1 (405) ....................................................................................................................................................................................... 1 Introduction ........................................................................................................................................................................................................... 3 Specification ..........................................
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FORM 150.64-EG1 Introduction YORK Air-Cooled Scroll Chillers provide chilled water for all air conditioning applications using central station air handling or terminal units. They are completely self-contained and are designed for outdoor (roof or ground level) installation. Each unit includes hermetic scroll compressors, a liquid cooler, air cooled condenser, and a weather resistant microprocessor control center, all mounted on a pressed steel base. YORK INTERNATIONAL 3
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Specification GENERAL tion for the cooler down to -20°F (-29°C) ambient. The cooler is covered with 3/4” (19mm) flexible, closed-cell, The 47 - 60 Ton (165 - 210 kW) YCAL models are foam insulation (K~0.25). shipped complete from the factory ready for installation and use. Brazed plate heat exchangers shall be UL (Underwriters Laboratories) listed. Installing contractor must include The unit is pressure-tested, evacuated, and fully charged accommodations in the chilled water piping to allow
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FORM 150.64-EG1 MILLENNIUM CONTROL CENTER All controls are contained in a NEMA 3R/12 (and equivalent to IP55*) cabinet with hinged outer door and UNIT ON/OFF switch includes: The microprocessor control center is capable of dis- Liquid Crystal Display with Light Emitting Diode back- playing the following: lighting for outdoor viewing: Two display lines • Return and leaving liquid temperature Twenty characters per line • Low leaving liquid temperature cutout setting Color coded 12-button
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Provisions are included for: pumpdown at shutdown; POWER PANEL optional remote chilled water temperature reset and two steps of demand load limiting from an external building Each panel contains: automation system. Unit alarm contacts are standard. • Compressor power terminals • Compressor motor starting contactors per l.E.C.** The operating program is stored in non-volatile memory • Control power terminals to accept incoming for (EPROM) to eliminate chiller failure due to AC powered fail
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FORM 150.64-EG1 Options and Accessories includes the Discharge Pressure Transducer / Readout- POWER OPTIONS: Capability option.) (Field-Mounted.) COMPRESSOR POWER CONNECTIONS – Single- BUILDING AUTOMATION SYSTEM INTERFACE – The point (YCAL0041-0065) terminal block connection(s) are factory addition of a Printed Circuit Board to accept a provided as standard. The following power connections 4-20 milliamp, 0-10VDC or contact closure input to reset are available as options. (See electrical dat
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chilling below 30°F (-1°C) leaving brine temperature REMOTE DX COOLER – A split system arrangement for YCAL0041 - 0065 models. Option includes resized with the cooler, leaving & return water sensors, liquid thermal expansion valve. (Factory-Mounted) line solenoid valves, filter driers, sightglasses & TXVs shipped loose for field connection to the air-cooled con- CHICAGO CODE RELIEF VALVES – Unit will be pro- densing section. The DX cooler and outdoor section will vided with relief valves to me
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FORM 150.64-EG1 residential or other similar sound-sensitive locations. of welded PVC, reinforced for temperature and UV Louvered Panels can be ordered for winter applications resistance. (Factory-Mounted.) where wind gusts may exceed five miles per hour. The following types of enclosure options are available: ULTRA QUIET FANS – Lower RPM, 8-pole fan motors are used with steeper-pitch fans. (Factory-Mounted.) COMPRESSOR ACOUSTIC SOUND BLANKET – Each compressor is individually enclosed by an a
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This page intentionally left blank. 10 YORK INTERNATIONAL
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FORM 150.64-EG1 Selection Data GUIDE TO SELECTION 6. Ethylene Glycol Correction Factors – The fol- lowing factors are to be applied to the standard Capacity ratings for YORK YCAL Packaged Air-Cooled ratings for units cooling ethylene glycol. Liquid Chillers, shown on pages 16 through 39 cover ETHYLENE GLYCOL the majority of design applications for these units. For % COMPR GPM PRESS FREEZE unusual applications or uses beyond the scope of this TONS WEIGHT KW °F/TON DROP PT catalog, please co
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a. 56.1 Tons 7. Determine average full load Compressor kW at 34 tons b. 55.9 Compressor KW c. 10.7 Unit EER 3 4 t o n s x ( 4 1 . 7 7 ) = 4 1 . 9 3 C o m p r e s s o r k W 4. Calculate Compressor kW at 50 Tons: 3 3 . 8 7 t o n s 8. Determine E.G. GPM: 5 0 k W = x 5 5 . 9 k W = 4 9 . 8 k W T o n s × G a l . ° F / m i n / T o n f a c t o r 5 6 . 1 G P M = 5. Calculate GPM: R a n g e 3 4 . 0 × 2 6 . 1 G P M = = 8 8 . 7 ( G P M ) ( 5 0 T o n s ) × 2 4 1 0 G P M = = 1
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FORM 150.64-EG1 Design Parameters ENGLISH LEAVING WATER YCAL COOLER FLOW (GPM) AIR ON CONDENSER (°F) TEMPERATURE (°F) MIN MAX MIN MAX MIN MAX 0041 40 55 40 200 0 125 0045 40 55 40 200 0 125 0051 40 55 40 200 0 125 0055 40 55 60 300 0 125 0061 40 55 60 300 0 125 0065 40 55 60 300 0 125 SI UNITS LEAVING WATER YCAL COOLER FLOW (L/S) AIR ON CONDENSER (°C) TEMPERATURE (°DC) MIN MAX MIN MAX MIN MAX 0041 4.4 12.8 2.5 12.6 -17.7 51.7 0045 4.4 12.8 2.5 12.6 -17.7 51.7 0051 4.4 12.8 2.5 12.6 -17.7 51.7 00
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Water Pressure Drop ENGLISH 100 A C D B 10 1 10 100 1000 FLOW, GPM Note: Water Pressure Drop Curves may extend past the minimum and maximum water flow ranges. See page 13 for minimum and maximum flow points. 14 YORK INTERNATIONAL Press Drop, Ft H O 2
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FORM 150.64-EG1 SI 1000 A C B D 100 10 1 1 10 100 FLOW, L/S Note: Water Pressure Drop Curves may extend past the minimum and maximum water flow ranges. See page 13 for minimum and maximum flow points. YORK INTERNATIONAL 15 Press Drop, kPA
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Ratings - R-22 (60Hz - English Units) IPLV= 13.9 MODEL: YCAL0041EC AIR TEMPERATURE ON - CONDENSER (°F) 75.0 80.0 85.0 90.0 95.0 100.0 LCWT (°F) TONS KW EER TONS KW EER TONS KW EER TONS KW EER TONS KW EER TONS KW EER 40.0 35.8 30.3 12.0 35.1 32.0 11.2 34.4 33.8 10.5 33.7 35.7 9.8 32.9 37.7 9.1 32.1 39.9 8.5 42.0 37.0 30.6 12.3 36.2 32.2 11.5 35.5 34.0 10.8 34.8 35.9 10.0 34.0 38.0 9.4 33.2 40.1 8.7 44.0 38.1 30.8 12.6 37.4 32.5 11.8 36.7 34.3 11.0 35.9 36.2 10.3 35.1 38.2 9.6 34.3 40.4 8.9 45.
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FORM 150.64-EG1 IPLV= 13.9 MODEL: YCAL0041EC AIR TEMPERATURE ON - CONDENSER (°F) 105 110.0 115.0 120.0 125.0 LCWT (°F) TONS KW EER TONS KW EER TONS KW EER TONS KW EER TONS KW EER 40.0 31.3 42.2 7.9 30.5 44.7 7.3 29.6 47.4 6.7 28.7 50.2 6.2 27.8 53.2 5.7 42.0 32.4 42.5 8.1 31.5 45.0 7.5 30.6 47.6 6.9 29.7 50.4 6.4 28.7 53.4 5.8 44.0 33.4 42.7 8.3 32.5 45.2 7.7 31.6 47.9 7.1 30.7 50.7 6.5 29.7 53.7 6.0 45.0 34.0 42.9 8.4 33.1 45.3 7.8 32.1 48.0 7.2 31.2 50.8 6.6 30.2 53.8 6.1 46.0 34.5 43.0 8.5
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Ratings - R-22 (60Hz - English Units) - Cont. IPLV= 13.6 MODEL: YCAL0055EC AIR TEMPERATURE ON - CONDENSER (°F) 75.0 80.0 85.0 90.0 95.0 100.0 LCWT (°F) TONS KW EER TONS KW EER TONS KW EER TONS KW EER TONS KW EER TONS KW EER 40.0 48.6 42.1 11.9 47.6 44.4 11.2 46.6 46.8 10.5 45.6 49.4 9.7 44.6 52.2 9.1 43.5 55.1 8.4 42.0 50.2 42.4 12.3 49.2 44.7 11.5 48.2 47.1 10.7 47.1 49.7 10.0 46.1 52.5 9.3 44.9 55.4 8.7 44.0 51.8 42.7 12.6 50.8 44.9 11.8 49.8 47.4 11.0 48.7 50.0 10.3 47.6 52.8 9.6 46.4 55.7
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FORM 150.64-EG1 IPLV= 13.6 MODEL: YCAL0055EC AIR TEMPERATURE ON - CONDENSER (°F) 105 110.0 115.0 120.0 125.0 LCWT (°F) TONS KW EER TONS KW EER TONS KW EER TONS KW EER TONS KW EER 40.0 42.3 58.2 7.8 41.2 61.4 7.2 39.9 64.8 6.7 29.0 48.0 6.4 28.0 50.6 5.9 42.0 43.8 58.5 8.1 42.6 61.8 7.5 41.3 65.2 6.9 30.0 48.3 6.6 29.0 50.9 6.0 44.0 45.3 58.8 8.3 44.0 62.1 7.7 42.7 65.6 7.1 31.1 48.5 6.8 30.1 51.2 6.2 45.0 46.0 59.0 8.4 44.7 62.3 7.8 43.4 65.8 7.2 31.6 48.6 6.9 30.6 51.3 6.3 46.0 46.8 59.1 8.5
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Ratings - R-22 (60Hz - SI Units) MODEL: YCAL0041EC AIR TEMPERATURE ON - CONDENSER (°C) 25.0 30.0 35.0 40.0 45.0 50.0 LCWT (°C) KW KW COP KW KW COP KW KW COP KW KW COP KW KW COP KW KW COP 5.0 126.9 31.1 3.5 122.4 34.3 3.1 117.6 37.9 2.7 112.5 41.9 2.4 107.1 46.4 2.1 101.3 51.5 1.8 6.0 130.6 31.3 3.5 125.9 34.5 3.1 121.0 38.1 2.8 115.8 42.1 2.4 110.3 46.6 2.1 104.4 51.7 1.8 7.0 134.3 31.6 3.6 129.6 34.7 3.2 124.5 38.3 2.8 119.2 42.3 2.5 113.6 46.9 2.2 107.6 51.9 1.9 8.0 138.1 31.8 3.7 133.2 35.0
