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YORK INTERNATIONAL

6

Introduction

the optional convenience outlet. All incoming power
is connected in one location, reducing the cost of
field-supplied and installed power wiring.

• Factory-mounted and wired controls – All con-

trol points within the unit are factory-installed, wired
and tested. The OptiLogic

TM

controls can commu-

nicate with BACNet IP.

• Non-fused disconnect – A factory-installed non-

fused disconnect switch simplifies unit installation
and serviceability by reducing installed labor costs.
The disconnect switch is interlocked with the power
cabinet ensuring that all power to the unit has been
disconnected before servicing.

Design Flexibility

• Low Ambient Operation – Head-pressure control

is accomplished via a VFD motor controller rather
than an inefficient and noisy condenser fan damper.
By varying the speed of the condenser fan, better
control and quieter operation is obtained during the
colder months. Low ambient controls are available

on all systems offering higher rooftop cooling ca-
pacity than competitive units.

• Hot Gas Bypass – Optional on constant volume units,

hot gas bypass reduces the cycling of compressors
which helps prolong the life of the equipment.

• Supply Air Openings – Side supply connections

are available on select configurations, offering more
flexibility for duct layout and improving sound trans-
mission characteristics.

• Compressor Sound Blankets – For applications

in sound-sensitive areas, compressor sound blan-
kets are available to reduce sound emitted from
the rooftop unit.

• Fan Spring Isolators – One-inch spring isolation

is used to prevent vibration transmission from the
rooftop unit’s supply fan to the building. Two-inch
spring isolation is also available.

• Harsh Environments – A variety of coil coating and

materials are available as well as hail guards to pro-
tect coils from weather damage. Seismic and hurri-
cane duty curbs and fan restraints are available.

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Содержание ECO 2 50

Страница 1: ...Packaged Rooftop Air Conditioning Units R 407C OPTIMIZED 50 THROUGH 65 TONS FORM 100 50 EG1 201 00406VIP ...

Страница 2: ... 37 Mechanical Specifications 38 TABLES 1 Physical Data 7 2 Cooling Performance Data 50 Ton Model 12 3 Cooling Performance Data 55 Ton Model 14 4 Cooling Performance Data 60 Ton Model 16 5 Cooling Performance Data 65 Ton Model 18 6 50 Through 65 Ton Supply Fan Data 20 7 50 Through 65 Ton Exhaust Fan Data 21 8 Component Static Pressure Drops 22 9 Compressors 24 10 Supply and Exhaust Fan Motor Elect...

Страница 3: ...Return Left or Right Supply 36 8 Curb Layout Drawing 37 BASIC MODEL NUMBER 50 ton 55 ton 60 ton 65 ton Rev Level A Std Product Special R 407C YORK Packaged Rooftop Air Cooled Scroll 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 BASE PRODUCT TYPE NOMINAL CAPACITY APPLICATION REFRIGERANT VOLTAGE DUCT LOCATIONS DESIGN SPECIAL Y 0 5 0 B 1 7 B A P 0 5 5 2 8 L S 0 6 0 4 6 R X A 0 6 5 5 8 B F L S C C V B 200 3 ...

Страница 4: ...ndensate Sloped in two directions conforming to ASHRAE 62n this drain pan swiftly minimizes any condensate within the unit Best of all the drain pan is accessible for periodic cleaning required by IAQ standards Smart ventilation YORK maintains the leader ship role in IAQ products with adaptive ventilation control The OptiLogicTM controls provide continu ous monitoring of air quality and take actio...

Страница 5: ...e scroll surface equal forces in opposing directions cancel one another mini mizing any imbalance Consequently compression is smooth continuous and quiet Vibration isolators on each compressor handle normal vibration For extra quiet operation acoustic sound blankets for each com pressor are available as options Serviceability OptiLogicTM fully integrated factory packaged controls are standard on e...

Страница 6: ...tter control and quieter operation is obtained during the colder months Low ambient controls are available on all systems offering higher rooftop cooling ca pacity than competitive units HotGasBypass Optionalonconstantvolumeunits hot gas bypass reduces the cycling of compressors which helps prolong the life of the equipment Supply Air Openings Side supply connections are available on select config...

Страница 7: ...ata Quantity Size Nominal Tons 4 13 4 13 4 15 4 15 Type Scroll Scroll Scroll Scroll Capacity Steps 25 50 75 100 25 50 75 100 25 50 75 100 25 50 75 100 Supply Fan and Drive Quantity 1 1 1 1 Type FC FC FC FC Size 25 22 25 22 25 22 25 22 Motor Size Range min to max HP 7 5 40 7 5 40 7 5 40 7 5 40 Air Flow Range min to max cfm 10000 22500 12000 24000 14000 27000 14000 27000 Static Pressure Range min to...

Страница 8: ...5x16 25x20 25x16 25x20 25x16 25x20 Total Filter Face Area square feet 63 9 63 9 63 9 63 9 Filters 12 rigid 65 2 30 prefilter Quantity 1 4 9 1 4 9 1 4 9 1 4 9 Size length x width in 16x20 25x16 25x20 16x20 25x16 25x20 16x20 25x16 25x20 16x20 25x16 25x20 Total Filter Face Area square feet 44 6 44 6 44 6 44 6 Filters 12 rigid 95 2 30 prefilter Quantity 1 4 9 1 4 9 1 4 9 1 4 9 Size length x width in 1...

Страница 9: ...s man datory during unloading and setting it into position to retain warranty status Spreader bars must be used to prevent damage to the unit casing All lifting lugs must be used when lifting the rooftop unit Care must be taken to keep the unit in the upright posi tion during rigging and to prevent damage to the water tight seams in the unit casing Avoid unnecessary jar ring or rough handling Grou...

Страница 10: ...owledge of the job site conditions BUILDING EXHAUST SYSTEMS Building exhaust systems are often necessary when economizers are used to bring in outdoor air Without proper building exhaust the building may become over pressurized The exhaust system maintains the proper building pressure by expelling the appropriate amount of air from the building Exhaust systems are typically designed to exhaust app...

Страница 11: ...ator en tering air conditions of 83 F dry bulb and 67 F wet bulb Design ambient temperature is 95 F dry bulb Supply air requirements are 17500 cfm of air at 2 25 IWG ex ternal static pressure Power supply is 460V 3ph 60Hz and the unit requires a modulating economizer 2 inch pleated filters bottom supply and bottom return air open ings and is constant volume Select Unit 1 Determine the internal sta...

Страница 12: ... 715 715 696 610 674 549 643 486 643 429 631 370 Rated performance is at sea level Cooling capacities are gross cooling capacity 85 AIR ON CONDENSER COIL CAPACITY MBH AT ENTERING DRY BULB F CFM ENTERING 90 86 83 80 77 74 WB F CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC 72 673 468 673 416 669 375 667 340 664 301 10000 67 628 536 630 494 615 445 616 404 609 383 605 331 62 618 618 590 590 569 513...

Страница 13: ... 655 655 637 644 591 580 590 514 583 455 Rated performance is at sea level Cooling capacities are gross cooling capacity 105 AIR ON CONDENSER COIL CAPACITY MBH AT ENTERING DRY BULB F CFM ENTERING 90 86 83 80 77 74 WB F CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC 72 563 368 562 318 567 286 558 258 563 233 10000 67 494 424 524 387 514 349 515 313 514 281 518 254 62 498 498 501 501 442 424 458 34...

Страница 14: ... 760 720 701 602 681 534 648 473 649 416 636 357 Rated performance is at sea level Cooling capacities are gross cooling capacity 85 AIR ON CONDENSER COIL CAPACITY MBH AT ENTERING DRY BULB F CFM ENTERING 90 86 83 80 77 74 WB F CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC 72 706 479 678 424 673 381 671 344 668 303 12000 67 651 554 634 504 621 454 621 411 613 382 610 334 62 641 626 598 598 577 527...

Страница 15: ... 374 681 317 24000 67 724 693 659 605 651 545 642 481 635 418 632 359 62 725 691 661 661 645 656 594 590 593 521 586 460 105 AIR ON CONDENSER COIL CAPACITY MBH AT ENTERING DRY BULB F CFM ENTERING 90 86 83 80 77 74 WB F CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC 72 657 460 624 400 618 357 613 321 610 284 12000 67 606 535 579 477 571 435 566 390 563 350 559 312 62 598 581 557 567 528 517 519 45...

Страница 16: ... 873 873 835 835 808 817 763 736 764 669 755 598 Rated performance is at sea level Cooling capacities are gross cooling capacity 85 AIR ON CONDENSER COIL CAPACITY MBH AT ENTERING DRY BULB F CFM ENTERING 90 86 83 80 77 74 WB F CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC 72 773 491 771 442 769 336 769 368 763 331 14000 67 723 527 692 464 703 397 703 432 699 437 696 363 62 671 671 645 645 631 474...

Страница 17: ... 783 783 758 759 710 709 684 636 693 565 Rated performance is at sea level Cooling capacities are gross cooling capacity 105 AIR ON CONDENSER COIL CAPACITY MBH AT ENTERING DRY BULB F CFM ENTERING 90 86 83 80 77 74 WB F CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC 72 726 485 711 413 702 376 698 345 689 309 14000 67 629 574 647 512 647 447 643 411 635 370 633 338 62 626 626 607 622 562 543 561 46...

Страница 18: ... 854 854 812 753 794 674 746 592 743 518 738 441 Rated performance is at sea level Cooling capacities are gross cooling capacity 95 AIR ON CONDENSER COIL CAPACITY MBH AT ENTERING DRY BULB F CFM ENTERING 90 86 83 80 77 74 WB F CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC 72 840 584 839 516 836 467 833 418 828 368 14000 67 785 669 774 605 771 554 772 502 768 456 764 406 62 754 754 724 724 695 640...

Страница 19: ... 791 791 767 772 718 721 712 650 707 574 Rated performance is at sea level Cooling capacities are gross cooling capacity 105 AIR ON CONDENSER COIL CAPACITY MBH AT ENTERING DRY BULB F CFM ENTERING 90 86 83 80 77 74 WB F CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC CAP SHC 72 748 548 744 478 742 429 738 378 735 330 14000 67 708 639 690 570 686 517 684 463 681 417 678 368 62 681 681 664 664 621 608 625 55...

Страница 20: ...6 30 2 687 32 2 716 34 2 742 36 1 769 38 2 798 40 5 27000 665 32 7 693 34 6 723 36 8 751 38 9 778 41 0 802 43 1 TOTAL STATIC PRESSURE inches of water column CFM 0 50 1 00 1 50 2 00 2 50 3 00 STD AIR RPM HP RPM HP RPM HP RPM HP RPM HP RPM HP 10000 249 1 7 321 2 5 382 3 3 12000 269 2 5 335 3 4 392 4 4 443 5 3 493 6 4 14000 290 3 6 352 4 7 405 5 8 454 6 9 497 8 0 540 9 1 16000 312 5 1 371 6 3 421 7 5...

Страница 21: ...00 1 50 2 00 2 50 3 00 STD AIR RPM HP RPM HP RPM HP RPM HP RPM HP RPM HP 10000 674 3 30 801 4 18 12000 713 4 84 823 5 82 929 6 87 14000 762 6 84 858 7 98 952 9 12 1043 10 32 1132 11 62 16000 819 9 36 904 10 73 988 12 04 1070 13 33 1150 14 69 1229 16 10 18000 879 12 42 957 14 04 1032 15 56 1107 17 02 1179 18 48 20000 943 16 18 1014 18 04 ...

Страница 22: ...15 0 08 0 12 0 09 0 09 0 03 0 07 0 14 16000 0 47 0 35 0 11 0 20 0 20 0 11 0 15 0 11 0 11 0 04 0 09 0 16 18000 0 57 0 44 0 14 0 25 0 25 0 13 0 19 0 14 0 13 0 05 0 10 0 19 20000 0 67 0 53 0 18 0 31 0 31 0 17 0 24 0 18 0 15 0 06 0 12 0 22 21000 0 72 0 58 0 20 0 35 0 35 0 18 0 26 0 20 0 16 0 07 0 13 0 24 22000 0 78 0 63 0 21 0 38 0 38 0 20 0 29 0 21 0 17 0 08 0 14 0 26 24000 0 89 0 74 0 25 0 45 0 45 0...

Страница 23: ... 37 0 19 0 75 0 95 0 46 0 32 0 54 0 45 0 09 0 34 0 46 0 15 0 11 0 21 0 15 0 11 0 42 0 55 0 20 0 14 0 26 0 20 0 13 0 49 0 65 0 25 0 18 0 32 0 25 0 15 0 58 0 74 0 31 0 22 0 39 0 31 0 16 0 62 0 79 0 35 0 24 0 42 0 34 0 17 0 66 0 84 0 38 0 27 0 46 0 37 0 19 0 75 0 95 0 46 0 32 0 54 0 45 0 21 0 84 1 06 0 55 0 37 0 62 0 52 0 23 0 89 1 11 0 59 0 40 0 67 0 56 0 09 0 34 0 46 0 15 0 11 0 21 0 15 0 11 0 42 0...

Страница 24: ...otor LOAD3 is the current of the electric heaters zero for cooling only units LOAD4 is the sum of any remaining currents greater than or equal to 1 0 amp Use the following calculations to determine MCA and MOP for units supplied with a single point power connection MCA 1 25 x LOAD1 LOAD2 LOAD4 MOP 2 25 x LOAD1 LOAD2 LOAD4 If the MOP does not equal a standard current rating of an overcurrent protec...

Страница 25: ... NOMINAL VOLTAGE MOTOR 208V 230V 460V 575V HP FLA FLA FLA FLA 5 0 14 9 13 6 6 8 5 5 7 5 22 5 20 0 10 0 7 9 10 0 29 2 25 8 12 9 10 3 15 0 41 5 36 0 18 0 14 5 20 0 55 0 48 0 24 0 19 3 25 0 71 0 61 0 30 5 24 5 30 0 85 5 74 0 37 0 30 0 40 0 109 0 96 0 48 0 38 0 Premium Efficiency NOMINAL VOLTAGE NOMINAL 208V 230V 460V 575V TONS FLA FLA FLA FLA 50 7 5 6 8 3 4 2 7 55 7 5 6 8 3 4 2 7 60 7 5 6 8 3 4 2 7 6...

Страница 26: ...equipped to temporarily override an unoccupied mode of operation This Unoccupied Override feature is fully configurable via the OptiLogic user interface ECONOMIZER OPERATION The unit can be equipped with one of three types of optional economizers dry bulb single enthalpy or com parative enthalpy When the unit controller determines that Outside Air is suitable for economizing the unit controller wi...

Страница 27: ... long as the unit is in the Occupied mode The Out side Air damper may be overridden more open by the unit controller when Outside Air conditions are suitable for economizing Demand Ventilation If an optional CO2 sensor is connected to the unit the unit controller can reset the minimum OA damper position s or minimum flow rate based on demand The unit controller shall monitor the CO2 level within t...

Страница 28: ... Low Ambient Lockout temperature is typically low enough that me chanical cooling will rarely be required However for some applications mechanical cooling is required when the Outside Air temperature is lower than the Low Am bient Lockout temperature For these applications the unit can be equipped with optional Low Ambient controls For optional Low Ambi ent operation the OptiLogic controller monit...

Страница 29: ... idle with the Supply Fan operating as required When a Cooling Stage 1 call Y1 is received and the unit is equipped with an economizer the OptiLogic controller will check the Outside Air conditions to de termine if conditions are suitable for economizing and modulate the outside air damper and or stage up com pressors as required to maintain the VAV High Supply Air Temperature Setpoint This setpoi...

Страница 30: ... a high SAT setpoint If conditions are not suitable for econo mizing or not equipped with an economizer the control will stage up 50 of the compressors This shall be maintained until Stage 1 is deactivated or Stage 2 is called Stage 2 Y2 Call If Y2 is called and the unit is equipped with an econo mizer the control will check to see if the Outside Air is suitable for economizing If conditions are s...

Страница 31: ...cal wiring must be made in accordance with all N E C and or local code requirements 3 Minimum Circuit Ampacity MCA is based on U L Standard 1995 Section 36 14 N E C Section 440 34 4 Maximum Dual Element Fuse size is based on U L Standard 1995 Section 36 15 N E C Section 440 22 5 Use copper conductors only 6 On units with an optional disconnect switch the supplied disconnect switch is a Disconnecti...

Страница 32: ...lded disconnect switch 2 All electrical wiring must be made in accordance with all N E C and or local code requirements 3 Minimum Circuit Ampacity MCA is based on U L Standard 1995 Section 36 14 N E C Section 440 34 4 Maximum Dual Element Fuse size is based on U L Standard 1995 Section 36 15 N E C Section 440 22 5 Use copper conductors only 6 On units with an optional disconnect switch the supplie...

Страница 33: ...Dual Element Fuse size is based on U L Standard 1995 Section 36 15 N E C Section 440 22 5 Use copper conductors only 6 On units with an optional disconnect switch the supplied disconnect switch is a Disconnecting Means as defined in the N E C Section 100 and is intended for isolating the unit from the available power supply to perform maintenance and troubleshooting This disconnect switch is not i...

Страница 34: ...Purge Input Shutdown Input Unoccupied Input Occupied to open full command the VAV boxes output shall be used to Note VAV Heat Relay Common 24 VAC Signal Open Normal Potentiometer Common 0 5V Output Sensor Common Signal CO Open Normal 4 Use shielded wire where shown terminal is 40 VA 2 All wiring is Class 2 low voltage Wiring Notes Common Signal Space Sensor 7 Wire Thermostat G Fan Y2 Cool Stage 2 ...

Страница 35: ... HOODS WHERE APPLICABLE ARE FOLDED INSIDE UNIT FOR SHIPMENT 6 DIM IS TO OUTSIDE OF LIFTING LUGS SEE NOTE 6 CP Control Panel 179 344 236 1 16 7 3 16 106 7 16 40 5 3 4 35 3 4 16 1 16 24 5 16 140 3 4 95 1 4 53 31 7 8 36 7 8 1 9 16 92 3 16 379 9 16 41 3 16 46 7 3 8 71 3 16 82 3 8 9 1 4 6 149 5 16 28 5 8 4 5 8 83 3 9 16 SUPPLY OPENING RETURN OPENING 72 10 72 72 72 1 10 CLEARANCE MINIMAL OVER THE TOP OF...

Страница 36: ...CO Condenser Section REAR VIEW EE SIDE VIEW FL A I TOP VIEW LEFT SIDE 74 5 1 8 30 11 16 5 13 16 28 1 2 117 7 16 6 1 2 79 1 8 SUPPLY OPENING RETURN OPENING FRONT VIEW CONTROL PANEL DETAIL SEE NOTE 6 16 1 16 24 5 16 140 3 4 95 1 4 53 31 7 8 36 7 8 82 3 8 9 1 4 6 4 8 SERVICE ACCESS RECOMMENDED ON ONE SIDE 3 12 CLEARANCE REQUIRED TO ADJACENT UNITS 1 10 CLEARANCE MINIMAL OVER THE TOP OF THE CONDENSING ...

Страница 37: ...GE GALVANIZED NOT PAINTED 3 ROOF CURB MUST BE INSTALLED SQUARE AND LEVEL 2 ROOF CURB SHIPPED IN PIECES FOR FIELD ASSEMBLY OTHER PARTS ARE FURNISHED AND INSTALLED BY OTHERS 1 CURB NAILER GASKET ONLY FURNISHED BY YORK ALL NOTES 5 CURB INSULATED WITH 1 5 3 INSULATION SUPPLY RETURN 237 339 87 71 3 5 40 53 3 4 52 51 35 3 4 ...

Страница 38: ... shall be not acceptable The cabinet corner post and the intermediate side sup ports shall be a minimum of 16 gauge steel All access doors shall be a minimum of 18 gauge on the exterior surfaces and 20 gauge on the interior Interior floor panels shall be 18 gauge All serviceable sections shall have hinged access doors with latches on both sides of the unit All access doors shall be constructed of ...

Страница 39: ...nd cleanable in the field The con densate drain opening shall be flush with the bottom of the drain pan to allow complete drainage Coils in ex cess of 48 high shall have an intermediate drain pan extending the entire width of the coil to provide better water drainage Compressors Compressors shall be hermetic scroll type including tip seals to provide efficient axial sealing while prevent ing scrol...

Страница 40: ...on time for compressors Delay between compressor stages Anti short cycle delays minimum off time for com pressors and supply fan Cooling lockout at 40 F 0 F if equipped for low ambient operation Air flow proving switch requiring proper air flow for cooling operation ACCESSORIES AND OPTIONS Full perimeter and partial perimeter roof curbs 14 high roof curb with wood nailer Roof curb covers the entir...

Страница 41: ...speed control On units with non modulating exhaust a barometric relief damper is included to prevent outside air from entering in the off cycle Fans shall cycle on and off with building pres sure On units with modulating exhaust and two posi tion control based on building pressure a field installed static pressure sensor mounted in the conditioned space or return air duct is required for damper an...

Страница 42: ...YORK INTERNATIONAL 42 NOTES ...

Страница 43: ...FORM 100 50 EG1 43 YORK INTERNATIONAL NOTES ...

Страница 44: ...Team 36USC380 P O Box 1592 York Pennsylvania USA 17405 1592 Subject to change without notice Printed in USA Copyright by York International Corporation 2001 ALL RIGHTS RESERVED Form 100 50 EG1 201 New Release Tele 800 861 1001 www york com ...

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