York ECO R-407C manuale d’uso

Packaged Rooftop Air Conditioning Units R-407C OPTIMIZED 50 THROUGH 65 TONS FORM 100.50-EG1 (201) 00406VIP[...]

YORK INTERNA TIONAL 2 TABLE OF CONTENTS P AGE Nomenclature ......................................................................................................... 3 Introduction ............................................................................................................. 4 Physical Data ............................................[...]

FORM 100.50-EG1 3 YORK INTERNA TIONAL NOMENCLA TURE P AGE FIGURES 1 Packaged Rooftop Air Conditioning Unit .................................................. 4 2 Single-Point Power Supply Wiring .......................................................... 31 3 Single-Point Power Supply Wiring with Non-Fused Disconnect ............. 32 4 Dual-Point Po[...]

YORK INTERNA TIONAL 4 FEA TURES/BENEFITS Ecological and Economical Design • First packaged RTU with 407C optimized design • Cooling and Heating – Superior operating perfor- mance provides lower operating costs. Smaller steps of cooling capacity provide tighter control of building environment and occupant comfort while optimizing energy effici[...]

FORM 100.50-EG1 5 YORK INTERNA TIONAL • Enhanced filtration – The Eco 2 unit gives design- ers the flexibility to meet various IAQ requirements with a full range of rigid and throwaway filters at various efficiency levels. Reliable Scroll Compressor T echnology Reliable, efficient, trouble-free operation is the true mea- sure of a packaged roof[...]

YORK INTERNA TIONAL 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[...]

FORM 100.50-EG1 7 YORK INTERNA TIONAL Physical Data T ABLE 1 – PHYSICAL DA T A MODEL SIZE 50 55 60 65 GENERAL DA T A Length (Inches) 336 336 336 336 Width (Inches) 92 92 92 92 Height (Inches) 82 82 82 82 Operating Weights (Lbs.) (base unit, no options) Cooling Only (Rigging & Refrigerant) 8,080 8,290 8,530 8,740 Rigging Weights (Lbs.) (base u[...]

YORK INTERNA TIONAL 8 Physical Data (continued) T ABLE 1 – PHYSICAL DA T A (Cont’d) MODEL SIZE 50 55 60 65 GENERAL DA T A Condenser Fans Quantity 4444 T ype Prop. Prop. Prop. Prop. Diameter (inches) 36 36 36 36 Filters – 2" throwaway Quantity 8 12 8 12 8 12 8 12 Size (length x width) (in.) 25x16 25x20 25x16 25x20 25x16 25x20 25x16 25x20 [...]

FORM 100.50-EG1 9 YORK INTERNA TIONAL Application Data LOCA TION Of the many factors that can affect the acoustical char- acteristics of a rooftop installation, one of the most im- portant is the unit location. Ideally , the rooftop unit should be installed away from sound-sensitive areas, such as conference rooms, auditoriums and executive offices[...]

YORK INTERNA TIONAL 10 For V A V applications, the YORK eco 2 unit uses a VFD to modulate fan speed and maintain a constant duct static pressure. VFDs offer superior control over the operation of the unit at part load, and offer the addi- tional benefits of quieter and more efficient operation when compared to IGV . HARSH ENVIRONMENTS – CONDENSER[...]

FORM 100.50-EG1 11 YORK INTERNA TIONAL The curb should be located according to the location recommendations above, and properly sealed to pre- vent moisture and air leakage into and out of the duct system. Flexible collars should be used when connect- ing the duct work to prevent unit noise transmission and vibration into the building. Duct work sh[...]

YORK INTERNA TIONAL 12 Cooling Performance Data – 50 T on Model T ABLE 2 – COOLING PERFORMANCE DA T A – 50 TON MODEL CAP ACITY (MBH) A T ENTERING DR Y BULB ( ° F) CFM ENTERING 90 86 83 80 77 74 WB ( ° F) CAP SH C CAP S HC CAP SH C CAP S HC CAP S H C CAP SH C 72 700 477 700 431 695 387 692 353 691 3 1 1 —— 10000 67 653 548 646 500 635 45[...]

FORM 100.50-EG1 13 YORK INTERNA TIONAL T ABLE 2 – COOLING PERFORMANCE DA T A – 50 TON MODEL (CONT ’ D) CAP ACITY (MBH) A T ENTERING DR Y BULB ( ° F) CFM ENTERING 90 86 83 80 77 74 WB ( ° F) CAP SHC CAP S HC CAP SH C CAP SH C CAP SHC CAP S HC 72 649 464 650 409 645 365 644 330 644 290 —— 10000 67 590 513 596 478 589 434 591 390 593 354 5[...]

YORK INTERNA TIONAL 14 T ABLE 3 – COOLING PERFORMANCE DA T A – 55 TON MODEL Cooling Performance Data – 55 T on Model CAP ACITY (MBH) A T ENTERING DR Y BULB ( ° F) CFM ENTERING 90 86 83 80 77 74 WB ( ° F) CAP SH C CAP S HC CAP SH C CAP S HC CAP S H C CAP SH C 72 732 488 704 437 700 393 696 356 695 313 —— 12000 67 677 564 651 5 1 1 641 46[...]

FORM 100.50-EG1 15 YORK INTERNA TIONAL T ABLE 3 – COOLING PERFORMANCE DA T A – 55 TON MODEL (CONT ’ D) * Rated performance is at sea level. Cooling capacities are gross cooling capacity . CAP ACITY (MBH) A T ENTERING DR Y BULB ( ° F) CFM ENTERING 90 86 83 80 77 74 WB ( ° F) CAP SHC CAP S HC CAP SH C CAP SH C CAP SHC CAP S HC 72 642 473 654 [...]

YORK INTERNA TIONAL 16 T ABLE 4 – COOLING PERFORMANCE DA T A – 60 TON MODEL Cooling Performance Data – 60 T on Model CAP ACITY (MBH) A T ENTERING DR Y BULB ( ° F) CFM ENTERING 90 86 83 80 77 74 WB ( ° F) CAP SH C CAP S HC CAP SH C CAP S HC CAP S H C CAP SH C 72 804 495 804 461 801 277 798 383 792 344 —— 14000 67 736 586 728 522 729 339 [...]

FORM 100.50-EG1 17 YORK INTERNA TIONAL T ABLE 4 – COOLING PERFORMANCE DA T A – 60 TON MODEL (CONT ’ D) CAP ACITY (MBH) A T ENTERING DR Y BULB ( ° F) CFM ENTERING 90 86 83 80 77 74 WB ( ° F) CAP SHC CAP S HC CAP SH C CAP SH C CAP SHC CAP S HC 72 753 500 744 438 741 392 741 357 737 319 —— 14000 67 690 469 676 304 672 458 681 416 681 384 6[...]

YORK INTERNA TIONAL 18 T ABLE 5 – COOLING PERFORMANCE DA T A – 65 TON MODEL Cooling Performance Data – 65 T on Model CAP ACITY (MBH) A T ENTERING DR Y BULB ( ° F) CFM ENTERING 90 86 83 80 77 74 WB ( ° F) CAP SH C CAP S HC CAP SH C CAP S HC CAP S H C CAP SH C 72 810 572 808 504 806 454 802 405 798 357 —— 14000 67 767 658 747 593 743 542 [...]

FORM 100.50-EG1 19 YORK INTERNA TIONAL T ABLE 5 – COOLING PERFORMANCE DA T A – 65 TON MODEL (CONT ’ D) CAP ACITY (MBH) A T ENTERING DR Y BULB ( ° F) CFM ENTERING 90 86 83 80 77 74 WB ( ° F) CAP SHC CAP S HC CAP SH C CAP SH C CAP SHC CAP S HC 72 780 560 777 493 774 442 771 393 768 342 —— 14000 67 737 646 717 581 714 529 714 476 71 1 430 [...]

YORK INTERNA TIONAL 20 Fan Performance T ABLE 6 – 50 THROUGH 65 TON SUPPL Y F AN DA T A T ABLE 6 – 50 THROUGH 65 TON SUPPL Y F AN DA T A (CONT ’ D) TOT AL ST A TIC PRESSURE (inches of water column) CFM 3.50 4.00 4.50 5.00 5.50 6.00 STD. AIR RPM HP RPM HP RPM HP RPM HP RPM HP RPM HP 10000 –– –– –– –– –– –– –– ––[...]

FORM 100.50-EG1 21 YORK INTERNA TIONAL T ABLE 7 – 50 THROUGH 65 TON EXHAUST F AN DA T A TOT AL ST A TIC 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 674 3.30 801 4.18 –– – –– –– –– –– –– –– –– 12000 713 4.84 823 5.82 929 6.87 –– ?[...]

YORK INTERNA TIONAL 22 50 10000 0.22 0.15 0.04 0.08 0.08 0.04 0.06 0.04 0.05 0.01 0.04 0.08 12000 0.30 0.21 0.06 0.1 1 0.1 1 0.06 0.09 0.06 0.07 0.02 0.06 0.1 1 14000 0.38 0.27 0.09 0.15 0.15 0.08 0.12 0.09 0.09 0.03 0.07 0.14 16000 0.47 0.35 0 .1 1 0.20 0.20 0.1 1 0.15 0.1 1 0.1 1 0.04 0.09 0.16 17500 0.54 0.41 0.14 0.24 0.24 0.13 0.18 0.14 0.12 0[...]

FORM 100.50-EG1 23 YORK INTERNA TIONAL 0.05 0.21 0.30 0.07 0.05 0 .1 1 0.08 0.07 0.28 0.38 0 .1 1 0.08 0.16 0.1 1 0.09 0.34 0.46 0.15 0 .1 1 0.21 0.15 0.1 1 0.42 0.55 0.20 0.14 0.26 0.20 0.12 0.47 0.62 0.24 0.17 0.31 0.24 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 0.2[...]

YORK INTERNA TIONAL 24 Electrical Data ELECTRICAL SERVICE SIZING In order to use the electrical service required for the cooling only Eco 2 rooftop, use the appropriate calcula- tions listed below from U.L. 1995. Based on the operat- ing mode and configuration of the rooftop, the calcula- tions will yield different MCA (minimum circuit ampac- ity),[...]

FORM 100.50-EG1 25 YORK INTERNA TIONAL T ABLE 10 – SUPPL Y AND EXHAUST F AN MOTOR (ODP OR TEFC) T ABLE 1 1 – CONDENSER F AN MOTORS / EACH NOMINAL VOL T AGE MOT OR 208V 230V 460V 575V HP FLA FLA FLA FLA 5.0 14.0 13.4 6.7 5.3 7.5 22.2 21.6 10.8 8.2 10.0 28.5 28.4 14.2 1 1.4 15.0 44.8 39.0 19.5 16.0 20.0 61.0 50.0 25.0 20.0 25.0 74.0 60.0 30.0 24.[...]

YORK INTERNA TIONAL 26 Controls GENERAL The control system for the YORK eco 2 Packaged Roof- top Unit is fully self-contained and based around an OptiLogic ™ rooftop unit controller . T o aid in unit setup, maintenance, and operation, the OptiLogic ™ rooftop unit controller is equipped with a user interface that is based around a 4 line x 20 ch[...]

FORM 100.50-EG1 27 YORK INTERNA TIONAL less than the Return Air enthalpy and the Outside Air temperature is less than the reference temperature set- ting. This method of economizing is the most accurate and provides the highest degree of energy efficiency for a packaged rooftop economizer . VENTILA TION CONTROL SEQUENCES Minimum OA Damper Position [...]

YORK INTERNA TIONAL 28 operation, the pressure within the building in monitored by the OptiLogic ™ controller . If the pressure rises to or above a selected turn-on pressure, the Exhaust Fan is cycled ON. The fan shall remain on as long as the pres- sure within the building remains above a selected turn- off pressure. If the building pressure fal[...]

FORM 100.50-EG1 29 YORK INTERNA TIONAL Purge When this purge sequence is selected and activated, the Supply Fan is controlled ON and the Exhaust Fan is controlled ON. The Outside Air damper is opened full and the Return Air damper is closed full. If the unit is a V A V unit, the V A V boxes are also driven full open to prevent duct over-pressurizat[...]

YORK INTERNA TIONAL 30 Stand Alone Control If the unit is not configured for Thermostat or Zone Sen- sor operation, the unit will operate in Stand Alone Mode. In Stand Alone Mode, the OptiLogic ™ Controller will monitor only the Occupied/Unoccupied state. When the unit is commanded into the Occupied Mode of opera- tion, the OptiLogic ™ Controll[...]

FORM 100.50-EG1 31 YORK INTERNA TIONAL Power Wiring SINGLE-POINT POWER SUPPL Y WIRING FIG. 2 – SINGLE-POINT POWER SUPPL Y WIRING P ower S id e Fi e l d Pow e r S uppl y E a rth G roun d Line 3 Lin e 2 Lin e 1 Wirin g Terminal Blo ck C ontrol S id e 1L1 1L2 1 L 3 G ND Electrical / C ontrols Bo x TB1 NOTES: 1. All field wiring must be provided thro[...]

YORK INTERNA TIONAL 32 SINGLE-POINT POWER SUPPL Y WIRING WITH NON-FUSED DISCONNECT FIG. 3 – SINGLE-POINT POWER SUPPL Y WIRING WITH NON-FUSED DISCONNECT Power Wiring (continued) Power S id e Fi e l d Pow e r Suppl y E a rth G roun d Line 3 Lin e 2 Lin e 1 Wirin g Terminal Blo ck C ontrol S id e 1L1 1L2 1 L 3 G ND Electrical / C ontrols Bo x Mol de[...]

FORM 100.50-EG1 33 YORK INTERNA TIONAL DUAL-POINT POWER SUPPL Y WIRING FIG. 4 – DUAL-POINT POWER SUPPL Y WIRING NOTES: 1. All field wiring must be provided through a field-supplied fused disconnect switch to the unit terminals (or optional molded disconnect switch). 2. All electrical wiring must be made in accordance with all N.E.C. and/or local [...]

YORK INTERNA TIONAL 34 Field Control Wiring * Use Shielded Wire * Use Shielded Wire * Use Shielded Wire 3. Maximum power available from the 24 VAC 1. Wiring shown indicates typical wiring. Closed = Smoke Purge Closed = Shutdown Open = Unoccupied Closed = Occupied 1.5K Adjust Signal cause equipment damage. power source external of the unit may sourc[...]

FORM 100.50-EG1 35 YORK INTERNA TIONAL ( LEFT SIDE ) T O P VIE W R I A FR O NT VIE W REAR CO CO NTR O L PANEL DETAIL L F S IDE VIE W O W FR O N T REAR VIEW S ID E S ID E CO = C ondenser S ectio n DP = Dischar g e Plenu m CC = Coolin g Coil s FS = Suppl y Fa n _F = Filter Se g ment MB = Mixin g Bo x FE = F a n Exh aust EE = E c onomiz er S E C TI O [...]

YORK INTERNA TIONAL 36 C P = C ontrol Pane l FE IN S IDE U NIT F O R S HIPMENT . 5. ECONOMIZER AND EXHAUST HOODS , WHERE APPLICABLE , ARE FOLDE D 2. O NLY O NE AD J A C ENT WALL C AN EX C EED U NIT HEI G HT . N O TE S: C S E C TI O N DE SC RIPTI O N S EE = E c onomiz er FE = F a n Exh aust MB = Mixin g Bo x _F = Filter Se g men t FS = Suppl y Fa n [...]

FORM 100.50-EG1 37 YORK INTERNA TIONAL Curb Layout Drawing LD06419 FIG. 8 – CURB LA YOUT DRAWING 4. CURB MATERIAL IS 14 GAUGE GALVANIZED , NOT PAINTED . 3. ROOF CURB MUST BE INSTALLED S Q UARE AND LEVEL . 2. R OO F CU RB S HIPPED IN PIE C E S F O R FIELD A SS EMBLY . O THER PART S ARE F U RNI S HED AND IN S TALLED "BY O THER S " . 1. CU[...]

YORK INTERNA TIONAL 38 Guide Specifications GENERAL Units shall be designed for outdoor rooftop installation on a roof curb. Units shall be rated according to ARI 360. Units shall be shipped in a single package, fully charged with HFC-407C refrigerant. The manufactur- ing facility shall be registered under ISO 9001 Quality Standards for Manufacturi[...]

FORM 100.50-EG1 39 YORK INTERNA TIONAL All fan motor drives shall be selected for a minimum service factor of 1.2 and have fixed pitched sheaves. AIR FIL TERING SYSTEM All filter holding frames shall be of heavy-duty construc- tion designed for industrial applications. All filters shall be either side accessible via access doors on both sides of th[...]

YORK INTERNA TIONAL 40 CONTROLS A factory-mounted unit controller with a 4x20 character alphanumeric display and user keypad shall be included as standard. The controller and keypad shall be housed inside the low-voltage compartment of the control/power panel. On units with supply or exhaust VFDs, the VFD keypads shall be located inside the same pa[...]

FORM 100.50-EG1 41 YORK INTERNA TIONAL Modulating Damper Economizer – economizer is available with a modulating damper arrangements. Modulating damper economizers shall have outdoor air and return air dampers that are interlocked and posi- tioned by fully modulating, solid state damper actua- tors. The actuators shall be spring loaded so that the[...]

YORK INTERNA TIONAL 42 NOTES[...]

FORM 100.50-EG1 43 YORK INTERNA TIONAL NOTES[...]

Proud Sponsor of the 2002 U.S. Olympic T eam 36USC380 P .O. Box 1592, Y ork, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in USA Copyright © by Y ork International Corporation 2001 ALL RIGHTS RESERVED Form 100.50-EG1 (201) New Release T ele. 800-861-1001 www .york.com[...]