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Trane RT-PRC007-EN User's Manual

1. 0 10 76 66 68 1 67 F A psychrometric chart can be used to more accurately determine the mixture temperature to the evaporator coil Step 4 Determine total required unit cooling capacity Required capacity total peak load O A load supply air fan motor heat From Figure SP 1 the supply air fan motor heat for 727 bhp 20 6 MBh Capacity 321 18 23 20 6 359 8 MBh 30 tons Step 5 Determine unit capacity FromTable PD 4 unit capacity at 815 DB 67WB entering the evaporator 12000 supply air cfm 95 F entering the condenser is 361 MBh 30 1 tons 279 sensible MBh Step 6 Determine leaving air temperature Unit sensible heat capacity corrected for supply air fan motor heat 279 20 6 258 4 MBh Supply air dry bulb temperature difference 2258 4 MBh 1085 x 12 000 cfm 19 8 F Supply air dry bulb 815 19 8 2617 Unit enthalpy difference 2361 4 5 x 12 000 26 7 Btu lb leaving enthalpy h ent WB 3162 Leaving enthalpy 3162 Btu lb 6 7 Btu lb 24 9 Btu lb FromTable PD 1 the leaving air wet bulb temperature corresponding to an enthalpy of 24 9 Btu lb 575 Leaving air temperatures 617 DB 575WB RFPRCOO7 EN Heating capacity selection 1 Winter outdoor design conditions 5 F 2 Total return air temperature 72 F 3 Winter outside air minimum ventilation load and cfm 1 200 cfm and 872 MBh 4 Peak heating load 225 MBh Utilizing unit selection in th
2. Air Conditioners 27 1 2to 50 Ton 60 Hz Voyager Commerdal October 2001 RT PRCOO7Z EN e TRANE American Standard Inc 2001 Introduction Packaged Rooftop Air Conditioners Through the years Trane has designed and developed the most complete line of Packaged Rooftop products available in the market today Trane was the first to introduce the Micro microelectronic unit controls and again moved ahead with the introduction of theVoyager Commercial products The Voyager Commercial line offers 271 to 50 ton models five sizes to meet the changing demands of the commercial rooftop market Our customers demand thatTrane products provide exceptional reliability meet stringent performance requirements and to be competitively priced Trane delivers with Voyager Commercial Voyager Commercial features cutting edge technologies like the reliable 3 D Scroll compressors Trane engineered microprocessor controls computer aided run testing and Integrated Comfort Systems So whether you re the contractor the engineer or the owner you can be certain Voyager Commercial Products are built to meet your needs Its HardTo Stop ATrane RT PRCOO7 EN RFPRCOO7 EN Contents Introduction Features and Benefits Application Considerations Selection Procedure Model Number Description General Data Performance Data Performance Adjustment Factors Controls Electric Power Dimensio
3. AmbientTemperature Deg F 85 95 105 m5 Ent Entering Wet Bulb Temperature Deg F DB 61 67 73 61 67 73 61 67 73 61 67 73 CFM F TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC 75 556 459 614 356 679 244 529 444 585 342 647 230 502 429 555 327 614 216 475 414 524 312 15000 80 565 547 616 439 680 331 539 533 588 424 649 318 511 511 558 409 616 303 487 487 527 394 85 590 590 622 524 682 417 567 567 593 509 651 403 542 542 564 494 618 389 517 517 534 479 90 623 623 631 611 684 500 599 599 604 597 654 486 574 574 574 574 622 471 547 547 547 547 75 570 491 627 373 691 250 543 476 597 359 659 236 515 460 566 344 625 222 486 445 533 328 17000 80 581 581 630 468 693 348 557 557 601 453 661 334 532 532 570 437 627 320 506 506 538 422 8 615 615 637 564 694 443 590 590 608 549 662 429 565 565 578 534 629 414 538 538 547 518 90 650 650 649 649 698 536 624 624 624 624 667 522 597 597 597 597 634 507 75 576 506 633 386 696 252 548 491 602 371 663 239 520 476 570 356 629 224 491 460 538 340 18000 80 591 591 636 482 698 355 566 566 606 467 666 342 541 541 575 451 632 327 514 514 543 436 8 626 626 644 583 699 455 601 601 615 568 668 441 574 574 584 553 634 426 547 547 553 537 90 661 661 661 661 703 554 635 635 635 635 673 540 608 608 607 607 640 525 75 581 522 638 391 701 255 554 507 607 377 668 241 525 491 575 362 633 227 496 4
4. ensures that the compressor will run for a specific amount of time which allows oil to return for better lubrication enhancing the reliability of the commercial compressor The Voyager with the Micro reduces the number of components required to operate the unit thereby reducing possibilities for component failure Features and Benefits Drum andTube Heat Exchanger The drum and tube heat exchanger is designed for increased efficiency and reliability and has utilized improved technology incorporated in the large roof top commercial units for almost 20 years The heat exchanger is manufactured using aluminized steel with stainless steel components for maximum durability The requirement for cycle testing of heat exchangers is 10 000 cycles by ANSI Z2147This is the standard required by both UL and AGA for cycle test requirements Trane requires the design to be tested to 21 times this current standard The drum and tube design has been tested and passed over 150 000 cycles which is over 15 times the current ANSI cycling requirements Drum and Tube Heat Exchanger The negative pressure gas valve will not allow gas flow unless the combustion blower is operating This is one of our unique safety features The forced combustion blower supplies pre mixed fuel through a single stainless steel burner screen into a sealed drum where ignition takes place It is more reliable to operate and maintain than a multiple burner sy
5. in OD 1b Ib Face Area sq ft 3167 3750 Rows Fins Per Foot 3 180 3 180 Refrigerant Control TXV TXV No of Circuits 1 2 Drain Connection No Size in 1 125 1 125 Type PVC PVC Outdoor Fan Type Propeller Propeller No Used Diameter 3 28 00 4 28 00 DriveType No Speeds Direct 1 Direct 1 CFM 24 800 31 700 No Motors HP RPM 3 110 1125 4 1 10 1125 Indoor Fan Type FC FC No Used 1 1 Diameter Width in 22 38 22 00 25 00 25 00 DriveType No Speeds Belt 1 Belt 1 No Motors HP 1 750 10 00 15 00 1 10 00 15 00 Motor RPM 1760 1760 Motor Frame Size 213 215 254T 215 254T Exhaust FanType Propeller Propeller No Used Diameter in 2 26 00 2 26 00 DriveType No Speeds Motors Direct 2 2 Direct 2 2 Motor HP RPM 10 1075 10 1075 Motor Frame Size 48 48 Filters Type Furnished Throwaway Throwaway No Recommended Size in 16 16 x 20x 2 17 16 x 20x 2 Refrigerant Charge Lbs of R 22 5150 26 00 4710 per circuit Minimum Outside AirTemperature For Mechanical Cooling OF OF Notes 1 Cooling Performance is rated at 95 F ambient 80 F entering dry bulb 67 F entering wet bulb Gross capacity does not include the effect of fan motor heat Rated and tested in accordance with the Unitary Large Equipment certification program which is based on ARI Standard 340 360 93 Heating Performance limit settings and rating data were established and approved under laboratory test conditions using American National Standards Institute standards Ratings shown are for
6. overcool or overheat The supply air temperature setpoint is adjusted based on the temperature of the critical zone s or the return air temperature This can have the effect of improving comfort and or lowering energy usage The user defined parameters are the same as for outdoor air reset Logic for zone or return reset control is the same except that the origins of the temperature inputs are the zone sensor or return sensor respectively The amount of reset applied is dependent upon how far the zone or return air temperature is below the supply air reset setpoint The amount is zero where they are equal and increases linearly toward the value set at the reset amount potentiometer on the VAV Setpoint panel The maximum value is 3 F If the return or zone temperature is more than 3F below the reset temperature setpoint the amount of reset is equal to the reset amount setpoint 3 ZoneTemperature Control Unoccupied Zone Heating and Cooling During Unoccupied mode the unit is operated as a CV unit Inlet guide vanes and VAV boxes are driven full open The unit controls zone temperature to the Unoccupied zone cooling and heating heating units only setpoints DaytimeWam up During occupied mode if the zone temperature falls to a temperature three degrees below the Morning Warm up setpoint DaytimeWarm up is initiated The system changes to CV heating full unit airflow the VAV boxes are fully opened and the CV heating algorithm
7. wg 0 25 0 50 0 75 100 125 150 175 2 00 225 SCFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 8000 341 139 401 185 451 2 30 501 2 84 552 3 45 599 4 11 644 4 80 686 5 51 726 6 24 8500 355 160 412 2 08 462 2 58 508 3 09 556 3 71 602 4 38 646 5 09 688 5 83 728 6 59 9000 368 184 423 2 35 473 2 88 516 3 39 561 4 00 606 4 68 649 5 41 691 616 730 6 94 9500 382 2 10 435 2 64 484 3 20 526 3 73 568 4 32 6n 5 00 653 5 74 694 651 732 731 10000 396 239 448 2 96 495 3 53 537 4 12 576 4 69 616 5 36 657 6 11 697 689 735 771 10500 410 271 461 3 31 506 3 89 549 453 585 5 10 623 5 76 662 6 50 701 730 738 8 13 11000 425 3 07 474 3 68 518 4 29 560 4 95 597 5 57 631 6 20 668 6 93 705 773 742 8 58 11500 440 346 488 4 08 530 4 72 571 5 39 608 6 08 641 6 71 676 741 70 820 747 9 06 12000 455 3 89 501 452 542 5 19 582 5 86 619 6 60 652 727 684 795 718 873 752 9 57 12500 470 434 515 4 98 555 5 69 593 6 38 630 713 664 787 694 8 55 726 9 30 758 10 14 13000 485 484 528 5 47 569 6 23 605 6 94 641 769 675 8 49 706 921 734 9 93 765 10 76 13500 501 5 36 542 6 00 582 6 79 617 754 652 8 29 686 9 12 717 9 91 745 10 65 714 1143 14000 516 5 91 555 6 58 595 740 630 8 18 664 8 95 697 9 78 729 10 64 757 142 784 12 19 14500 532 651 570 720 609 8 04 643 8 85 676 9 65 708 10 48 740 1138 768 12 22 795 13 02 Notes 1 Fan performance table includes internal resistances of cabinet and 2 standard filters For other components refer to component static
8. 16 SEE ROOFCURB DRAWING FOR DETAILS ON FIELD DUCT FITUP AND CONNECTIONS EAAS n ecd 5 3 8 40 1 8 THRU BASE CONNECTOR 33 iae ELECTRICAL THRU BASE OPTION 5 syg ELECTRICAL 28 13 16 191 11 16 TOP VIEW SHOWING DUCT OPENINGS IN BASE FOR DOWNFLOW CONFIGURATION E 1 16 TYP 3 PLACES dpa 2 5 8 OPTION 1 1 47 FEMALE PVC PIP 14 5 16 83 13 16 1 NPT t e GAS INLET 207 172 6 13 16 3 3716 3 ELECTRICAL ACCESS 6 7 8 9 3 8 P od SUPPLY OPENING RETURN OPENING 90 1 16 dd 7 8 CONVENIENCE OUTLET 63 9 16 SIDE VIEW SHOWING FRESH AIR AND POWER EXHAUST HOODS FOR DOWNFLOW CONFIGURATION 55 1 2 51 1 8 REAR VIEW DUCT OPENINGS FOR HORIZONTAL UNIT 1 778 14 3 4 15 5 16 15 14 1 16 RTPRC007 EN H28 7 16 ts Fresh Air 4 3 8 Hood I 2 7 16 Power Exhaust Hood End of Unit 2 7 16 lige 1 1 I 37 3 4 1 4 195 1 2 INS 56 1 e SIDE VIEW SHOWING POWER EXHAUST HOODS FOR HORIZONTAL CONFIGURATION 19 7 78 1 5 16 19 5 8 1 778 Power Exhaust Hoods End of 80 13 16 Unit NOTE The Two Horizontal Power Exhaust Hoods and the three Horizontal Fresh Air Hoods are
9. 321 345 263 380 195 306 306 327 255 360 187 85 368 368 382 336 419 268 354 354 366 328 401 260 340 340 349 320 382 222 325 325 331 31 362 244 90 388 388 388 388 421 321 374 374 374 374 402 313 359 359 359 359 383 304 343 343 343 343 364 296 75 349 308 383 246 422 156 333 300 366 238 403 149 317 291 348 229 383 141 300 283 329 221 363 133 13200 80 357 357 385 293 423 218 343 343 368 285 405 210 329 329 350 276 385 202 314 314 332 268 365 194 85 378 378 389 354 425 278 364 364 372 346 406 270 349 349 355 338 387 261 333 333 337 329 366 253 90 399 399 399 399 427 337 384 384 384 384 408 329 369 369 369 369 389 321 353 353 352 352 369 312 Notes 1 All capacities shown are gross and have not considered indoor fan heat To obtain net cooling subtract indoor fan heat 2 TGC Total gross capacity 3 SHC Sensible heat capacity RTPRCOO7 EN 19 e TRANE Performance Data Table PD 6 35Ton Gross Cooling Capacities Mbh AmbientTemperature Deg F 85 95 105 115 Ent Entering Wet Bulb Temperature Deg F DB 61 67 73 61 67 73 61 67 73 61 67 73 CFM F TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC 75 377 310 416 240 459 166 361 301 398 231 438 158 343 291 379 223 417 150 325 282 359 214 396 141 10500 80 383 367 417 296 460 224 366 359 399 287 439 216 350 349 380 278 418 207 332 332 360 268 397 198 85 398 398 420 351 461 281 38
10. 413 439 346 481 253 397 397 419 336 459 244 380 380 399 327 436 235 363 363 378 317 412 226 85 437 437 445 421 482 326 420 420 426 412 460 317 402 402 406 402 437 308 384 384 384 384 414 298 90 461 461 461 461 486 400 443 443 443 443 464 390 425 425 425 425 442 381 406 406 406 406 419 371 Notes 1 All capacities shown are gross and have not considered indoor fan heat To obtain net cooling subtract indoor fan heat 2 TGC Total gross capacity 3 SHC Sensible heat capacity Table PD 7 40Ton Gross Cooling Capacities Mbh AmbientTemperature Deg F 85 95 105 115 Ent Entering Wet Bulb Temperature Deg F DB 61 67 73 61 67 73 61 67 73 61 67 73 CFM F TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC 75 460 365 510 288 565 202 439 353 486 276 539 190 416 340 462 263 512 178 393 327 436 250 484 166 12000 80 466 432 511 351 566 269 445 419 487 338 540 257 423 406 463 325 513 244 401 393 438 312 486 232 85 480 480 515 415 567 333 461 461 491 402 541 322 441 441 467 390 515 309 421 421 442 376 487 297 90 506 506 521 480 568 398 487 487 498 468 543 385 467 467 475 455 517 373 445 445 450 442 489 360 75 476 396 525 304 580 208 453 383 500 291 553 196 430 370 474 279 525 184 406 357 448 266 496 172 14000 80 484 473 526 378 581 284 463 461 502 365 554 272 438 438 477 352 526 260 417 417 450 339 497 248 85 506 506 532 453 582 359 486 486 508 440 556 347 465 465 482 427 528 335 443 443 457 414 499 321 90
11. 6 30 85 365 D600 110 165 125 50 290 70 115 150 18 6 30 85 365 H600 145 200 125 50 300 70 115 150 18 6 30 85 365 TableW 4 Minimum Operating Clearances for Unit Installation Condenser Coil Service Side Econo Exhaust End End Side Access Single Unit 6Feet 8 Feet 4 Feet 4 Feet Multiple Unit 12 Feet 16 Feet 8 Feet 8 Feet Notes 1 Horizontal and Downflow Units all sizes 2 Condenser coil is located at the end and side of the unit 3 Clearances on multiple unit installations are distances between units 40 RTPRCOO7 EN General The units shall be dedicated downflow or horizontal airflow The operating range shall be between 115 F and OF in cooling as standard from the factory for all units Cooling performance shall be rated in accordance with ARI testing procedures All units shall be factory assembled internally wired fully charged with HCFC 22 and 100 run tested to check cooling operation fan and blower rotation and control sequence before leaving the factory Wiring internal to the unit shall be numbered for simplified identification Units shall be UL listed and labeled classified in accordance to UL 1995 CAN CSA No 236 M 90 for Central Cooling Air Conditioners Canadian units shall be CSA Certified Casing Unit casing shall be constructed of zinc coated heavy gauge galvanized steel All components shall be mounted in a weather resistant steel cabinet with a painted exterior Where top cover seams exist th
12. 789 569 870 599 954 629 1040 658 1131 68 1221 71 1315 16000 460 653 493 736 525 8 17 559 908 588 9 96 615 1083 6043 1173 672 1266 699 13 60 724 1458 17000 485 772 516 859 546 946 577 10 39 608 1136 634 1228 659 1320 687 1417 713 15 15 739 1616 18000 509 906 540 9 97 568 1091 596 1184 627 1288 654 1386 678 1484 702 1583 728 1685 753 1788 19000 534 1054 563 1150 590 1249 617 1345 645 1451 674 1560 697 1664 719 1764 743 1871 768 19 79 20000 560 12 18 587 1318 613 1424 638 1525 664 1631 692 1745 717 18 57 739 1966 760 20 74 783 2185 Notes 1 Fan performance table includes internal resistances of cabinet and 2 standard filters For other components refer to component static pressure drop table Add the pressure drops from any additional components to the duct external static pressure enter the table and select motor bhp 2 The pressure drop from the supply fan to the space cannot exceed 2 50 3 Maximum air flow for 40 ton 17 600 cfm 50 ton 20 000 cfm 4 Maximum motor horsepower for 40 ton 15 hp 50 ton 20 hp Figure PD 3 o a I o e l o o o a 9 w S 2 4000 6000 8000 10000 12000 14000 16000 18000 20000 22000 24000 26000 28000 CFM 24 RT PRCOO7 EN e TRANE Performance Data Table PD 14 Component Static Pressure Drops in W G Heating System Filters Nominal CFM Gas Heat Electric Heat ID Coil High Eff Filters Inlet Guide Tons StdAir
13. Integrated Comfort Systems Some Zone Sensor options have central control panel lights which indicate the mode the unitis in and possible diagnostic information dirty filters for example Features and Benefits Easy Access Low Voltage Terminal Board Voyager s Low VoltageTerminal Board is external to the electrical control cabinet It is extremely easy to locate and attach the thermostat wire This is another cost and time saving installation feature Value Low Ambient Cooling All Voyager Commercial units have cooling capabilities down to 0 F as standard Power Exhaust Option Provides exhaust of the return air when using an economizer to maintain proper building pressurization Great for relieving most building overpressurization problems Micro Benefits The Micro in theVoyager units has built in anti short cycle timer time delay relay and minimum on time controls These controls are functions of the Micro and are factory tested to assure proper operation The Micro softens electrical spikes by staging on fans compressors and heaters Intelligent Fallback is a benefitto tne building occupant If a component goes astray the unit will continue to operate at predetermined temperature setpoint IntelligentAnticipation is a standard feature of the Micro It functions constantly as the Micro and zone sensor worktogether in harmony to provide tighter comfort control than conventional electro mechanic
14. com Literature Order Number RT PRCOO7 EN File Number PL RETC TE YC 27 50 TONS PRCO007 EN 10 2001 Supersedes RT PRCOO7 EN 02 01 Stocking Location Inland LaCrosse SinceTheTrane Company has a policy of continuous product and product data improvement it reserves the right to change design and specifications without notice
15. drops of accessory components must be added to external static pressure to enter fan selection tables 2 Throwaway filter option limited to 300 ft min face velocity 3 Electric Heaters 36 54 KW contain 1 element 72 108 KW 2 elements RT PRCOO7 EN 25 e TRANE Performance Data Table PD 15 Supply Air Fan Drive Selections 75HP 10 HP 15 HP 20 HP Nominal Drive Drive Drive Drive Tons RPM No RPM No RPM No RPM No 550 A 600 B 2740 650 C 700 700 750 750 E 550 600 30T 650 C 700 700 D 750 750 E 600 B 650 650 C 35T 700 700 D 790 790 F 800 800 G 500 500 H 525 525 J 575 575 K 40T 625 625 L 675 675 725 725 N 525 525 J 575 575 K 50T 625 625 L 675 675 M 725 725 N w Note ees YC gas electrics only For TC and TE Cooling only and with electric heat units only 26 REPRCOO7 EN e TRANE Performance Data Table PD 16 Power Exhaust Fan Performance Exhaust External Static Pressure Inches of Water Airflow High Speed Med Speed Low Speed Cfm ESP ESP ESP 3500 0 900 4000 0 860 4500 0 820 5000 0 780 0 400 5500 0 745 0 380 6000 0 700 0 360 6500 0 660 0 330 7000 0 610 0 400 0 300 7500 0 560 0 365 0 260 8000 0 505 0 330 0 215 8500 0 445 0 300 0 170 9000 0 385 0 255 0 120 9500 0 320 0 210 0 070 10000 0 255 0 165 0 020 10500 0 190 0 125 11000 0 125 0 060 11500 0 065 0 000 12000 0 005 Not
16. is equal to or larger than the MCA provided the reselected fuse size does not exceed 800 amps RDE 15 x LOAD1 LOAD2 LOAD3 LOAD4 The selection RDE value will be the larger of the cooling mode RDE value or the heating mode RDE value calculated above Select a fuse rating equal to the RDE value If the RDE value does not equal a standard fuse size as listed in NEC 240 6 select the next higher standard fuse rating NOTE If the selected RDE is greater than the selected MOP value then reselect the RDE value to equal the MOP value DSS 115 x LOAD1 LOAD2 LOAD3 LOAD4 NOTE Keep in mind when determining LOADS that the compressors and condenser fans don t run while the unit is in the heating mode The selection DSS value will be the larger of the cooling mode DSS or the heating mode DSS calculated above Select a disconnect switch size equal to or larger than the DSS value calculated Table ED 1 Ton Electrical Service Sizing Data Electric Heat Module Electric Heat Only Models TED TEH 330 thru 600 Electric Heat FLA Nominal Nominal Unit Size Unit KW Heater Tons Voltage 36 54 72 90 108 FLA FLA FLA FLA FLA 27A 208 74 9 124 30 0 230 86 6 129 9 35 0 460 43 3 65 0 86 6 108 3 575 520 69 3 86 6 40 0 208 124 50 0 230 129 9 460 65 0 86 6 108 3 129 9 575 52 0 69 3 86 6 103 9 Notes 1 All FLA in this ta
17. is in control until the Morning Warm up setpoint is reached The unit is then returned to VAV cooling mode The RFPRCOO7 EN Controls e TRANE Morning Warm up setpoint is set at the unit mounted VAV Setpoint panel or at a remote panel MomingWarm up MWU Morning warm up control MWU is activated whenever the unit switches from unoccupied to occupied and the zone temperature is at least L5 F below the MWU setpoint When MWU is activated theVAV box output will be energized for at least 6 minutes to drive all boxes open the inlet guide vanes are driven full open and all stages of heat gas or electric are energized When MWU is activated the economizer damper is driven fully closed When the zone temperature meets or exceeds the MWU setpoint minus 15 F the heat will be staged down When the zone temperature meets or exceeds the MWU setpoint then MWU will be terminated and the unit will switch over to VAV cooling CV Units Only Sequence of Operation 1 Occupied ZoneTemperature Control Cooling Economizer During occupied cooling mode the economizer if provided and primary cooling are used to control zone temperature If the enthalpy of outside air is appropriate to use free cooling the economizer will be used first to attempt to satisfy the cooling zone temperature setpoint then primary cooling will be staged up as necessary On units with economizer a call for cooling will modulate the fresh air damp
18. located side by side The Fresh Air Hoods not shown only extend 23 15 16 from the end of the unit 35 e TRANE Dimensional Data Figure DD 3 40 50 Tons TC TE YC Low amp High Heat NOTES 1 ALL DIMENSIONS INCHES 37 9 16 m i i 3 ELECTRIC ACCESS 1 5 SLOT STANDARD 7 8 4 Iz m 53 9 16 jH 54 1 8 2 THRU BASE ELECTRICAL LOCATIONS 718 31 16 pd ARE PRESENT ONLY WHEN OPTION 90 5 8 IS ORDERED C e 232 15 16 RETURN SUPPLY 75 13 16 OPENING 70 15 16 OPENING 801 16 C C i A p 5 3 8 258 SEE ROOFCURB DRAWING FOR DETAILS 4 Nps PLACES ES ON FIELD DUCT FITUP AND CONNECTIONS CONNECTOR E NS 49 9 67 THRU BASE CONNECTOR A ELECTRICAL THRU BASE 93 3 8 PVC PIPN OPTION 55g ELECTRICAL P 216 9 4 1i 25 8 OPTION USER 1 NPT 76 13 16 GAS INLET TOP VIEW SHOWING DUCT OPENINGS A ELECTRIC IN BASE FOR DOWNFLOW CONFIGURATION 232 3 8 STANDARD 1 174 TYP e pics _ 11 8 F TYP 3 PLCS 7 81 4 5 8 e 74677 M 172 LOW HEAT 90 1 16 1 SHOWN IN INSET 3 4 NPT SUPPLY RETURN GAS INLET OPENING OPENING 70 1 8 SIDE VIEW SHOWI
19. shall be achieved through the unitary control processor UCP Each heater package shall have automatically reset high limit control operating through heating element contactors All heaters shall be individually fused from factory where required and meet all NEC and CEC requirements Power assemblies shall provide single point connection Electric heat shall be UL listed or CSA certified Gas Heating Section The heating section shall have a drum and tube heat exchanger s design using corrosion resistant steel components A forced combustion blower shall supply premixed fuel to a single burner ignited by a pilotless hot surface ignition system In order to provide reliable operation a negative pressure gas valve shall be used that requires blower operation to initiate gas flow On an initial call for heat the combustion blower shall purge the heat exchanger s 45 seconds before ignition After three unsuccessful ignition attempts the entire heating system shall be locked out until manually reset at the thermostat Units shall be suitable for use with natural gas or propane field installed kit and also comply with California requirements for low NOx emissions All units shall have two stage heating Controls Unit shall be completely factory wired with necessary controls and terminal blockfor power wiring Units shall provide an external location for mounting fused disconnect device Microprocessor controls shall be provide
20. used with Tracer Integrated Comfort system May also be used for Morning Warm up setpoint and sensor BAYSENSOI6 Temperature Sensor is a bullet or pencil type sensor that could be used for temperature input such as return air duct temperature BAYSENSOI7 Remote Sensor can be used for remote zone temperature sensing capabilities when zone sensors are used as remote panels or as a morning warm up sensor for use with VAV units or as a zone sensor with Tracer Integrated Comfort system BAYSENSOI9 amp BAYSENSO20 Electronic programmable sensors with auto or manual changeover with seven day programming Keyboard selection of heat cool auto fan or on All programmable sensors have System on Heat Cool Service LED LCD indicators as standard Night setback sensors have two occupied and two unoccupied programs per day Sensors are available for CV zone temperature control and VAV zone temperature control BAYSENSO2T Zone Sensor with supply air single temperature setpoint and AUTO OFF system switch Status indication LED lights System ON Heat Cool and Service are provided Sensors are available to be used with VAV units BAYSTATO23 Remote Minimum Position Potentiometer is used to remotely specify the minimum economizer position RFPRCOO7 EN TRANE TheTrane Company An American Standard Company www trane com For more information contact your local district office or e mail us at comfort trane
21. x 1 085 2 All heaters on constant volume units provide 2 increments of capacity All VAV units provide 1 step of heating capacity 3 Air temperature rise in this table are based on heater operating at 240 480 or 600 volts Table PD 10 Available Electric Heat KW Ranges Nominal Nominal Voltage Unit Size Tons 208 240 480 600 27 2 27 41 3654 3690 5490 30 0 2 41 3654 3690 5490 350 2 41 3654 3690 5490 40 0 41 54 54 108 54 108 50 0 41 54 54 108 54 108 Notes 1 KW ranges in this table are based on heater operating at 208 240 480 and 600 volts 2 For other than rated voltage KW Applied Sd x Rated KW Rated Voltage 3 Electric heaters up to 54 KW are single element heaters those above 54 KW are dual element heaters Table PD 11 Natural Gas Heating Capacities Heat Input MBH Heating Output MBH Tons Unit Model No See Note 1 See Note 1 AirTemp Rise F YCD YCH330 L 277235 YCD YCH360 L 350 000 250 000 283 500 202 500 10 40 YCD YCH420 L YCD YCH330 H 277235 YCD YCH360 H 600 000 425 000 486 000 344 500 25 55 YCD YCH420 H YCD YCH480 L 40 50 YCD YCH600 L 400 000 300 000 324 000 243 000 5 35 YCD YCH480 H 40 50 YCD YCH600 H 800 000 600 000 648 000 486 000 20 50 Note 1 Second stage is total heating capacity Second Stage First Stage REPRCOO7 EN Performance Data Table PD 12 Supply Fan Performance 27 2 35Ton e TRANE Static Pressure in
22. 0 Application Considerations amounts of outdoor air into the building If however building pressure is not of a critical nature the non modulating exhaust fan may be sized for more than 50 percent of design supply airflow ConsultTable PD 16 for specific exhaust fan capabilities with Voyager Commercial units Barometric Relief Dampers Barometric relief dampers consist of gravity dampers which open with increased building pressure As the building pressure increases the pressure in the unit return section also increases opening the dampers and relieving air Barometric relief may be used to provide relief for single story buildings with no return ductwork and exhaust requirements less than 25 percent Altitude Corrections The rooftop performance tables and curves of this catalog are based on standard air 075 Ibs ft If the rooftop airflow requirements are at other than standard conditions sea level an air density correction is needed to project accurate unit performance Figure PD 1 shows the air density ratio at various temperatures and elevations Trane rooftops are designed to operate between 40 and 90 degrees Fahrenheit leaving air temperature The procedure to use when selecting a supply or exhaust fan on a rooftop for elevations and temperatures other than standard is as follows 1 First determine the air density ratio using Figure PD 1 2 Divide the static pressure at the nonstandard condition by
23. 2 70 6 7 15 0 38 6 36 0 460 60 3 414 506 273213181 142 142 95 10 0 13 2 12 6 3 5 2 9 15 0 19 3 18 0 575 60 3 517 633 218 218 14 6 114 114 76 10 0 10 3 10 1 28 23 150 15 4 14 5 TC TE YC 600 208 60 3 187 229 315 62 8 409 10 0 29 7 29 0 4 11 70 2 10 6 7 15 0 44 4 415 20 0 58 7 56 1 230 60 3 207 253 62 8 376 10 0 26 4 25 2 70 6 7 15 0 38 6 36 0 20 0 510 49 4 460 60 3 414 506 273 142 10 0 13 2 12 6 3 5 2 9 15 0 19 3 18 0 20 0 25 5 24 7 575 60 3 517 633 218 m4 10 0 10 3 10 1 2 8 2 3 15 0 15 4 14 5 20 0 20 4 19 6 Notes 1 All customer wiring and devices must be installed in accordance with local and national electrical codes RT PRCOO7 EN 33 e TRANE Dimensional Data Figure DD 1 27 1 2 35Tons TC TE YC Low Heat NOTES 1 ALL DIMENSIONS INCHES 2 THRU BASE ELECTRICAL LOCATIONS 7 1 16 Lr t51 1 270 4 26 3 8 i 25 1 2 ARE PRESENT ONLY WHEN OPTION 7378 p IS ORDERED 90 5 8 RETURN SUPPLY OPENING OPENING 180 5 16 75 13 16 70 15 16 us 70 7 16 A 40 1 8 2 5 8 33 13 16 3 P SEE ROOFCURB DRAWING FOR DETAILS 1 fos AUN ON FIELD DUCT FITUP AND CONNECTIONS CONNECTOR S 2 1 7 NPS THRU BASE uo jo 137167 CONNECTOR 2 5 8 ELECTRICAL THRU BASE OPTION ELECTRICAL 2 5 8 OPTION a 163 1
24. 232 291 176 322 115 10000 80 310 304 339 244 374 185 297 297 324 237 358 178 283 283 308 229 341 171 270 270 292 221 323 164 85 325 325 341 291 375 233 313 313 326 284 359 226 300 300 311 276 342 219 287 287 295 268 324 212 90 343 343 346 340 376 279 330 330 332 332 360 271 317 317 317 317 343 264 304 304 303 303 326 256 75 31 268 343 205 379 139 297 260 327 198 362 122 282 253 31 191 344 125 268 245 295 183 326 107 11000 80 316 316 344 255 380 192 304 304 329 248 363 185 291 291 313 240 345 178 278 278 297 232 327 170 85 335 335 347 307 381 245 322 322 332 300 364 237 309 309 317 292 347 230 295 295 301 284 329 220 90 353 353 353 353 383 293 340 340 340 340 366 286 327 327 327 327 349 278 313 313 312 312 331 270 75 316 281 348 223 384 142 302 274 332 216 366 135 287 266 316 208 348 128 272 258 299 200 330 121 12100 80 325 325 349 268 385 199 312 312 334 260 368 192 299 299 318 252 350 185 285 285 301 244 331 176 85 344 344 353 324 387 254 331 331 338 317 369 246 317 317 322 309 352 239 303 303 306 301 333 231 90 364 364 363 363 388 309 350 350 350 350 372 301 336 336 336 336 354 294 321 321 321 321 336 286 Notes 1 All capacities shown are gross and have not considered indoor fan heat To obtain net cooling subtract indoor fan heat 2 TGC Total gross capacity 3 SHC Sensible heat capacity Table PD 5 30Ton Gross Cooling Capacities Mbh AmbientTemperature Deg F 85 95 105 115 Ent Entering Wet Bulb Temperature Deg F DB 61 67 73 61 67 73 61
25. 3 383 402 343 440 272 368 368 383 333 419 263 352 352 364 324 397 254 90 419 419 426 409 462 336 404 404 408 400 442 327 388 388 388 388 421 317 371 371 371 371 399 308 75 387 332 425 258 468 171 370 322 406 249 447 162 352 313 387 240 425 154 334 303 366 231 403 145 12000 80 393 393 427 315 469 236 378 378 408 306 448 227 362 362 388 297 426 218 346 346 368 288 404 209 85 415 415 431 379 470 300 399 399 412 370 449 290 383 383 393 361 427 281 366 366 373 351 405 271 90 437 437 437 437 472 361 421 421 421 421 451 352 404 404 404 404 430 342 386 386 386 386 408 333 75 393 346 430 261 473 173 375 337 411 253 452 165 357 327 391 244 429 156 339 317 370 234 406 147 13000 80 402 402 432 328 475 243 387 387 413 319 453 234 370 370 393 310 430 225 353 353 372 300 408 216 85 425 425 437 397 476 312 409 409 418 388 454 303 392 392 399 378 432 294 374 374 379 369 409 285 90 448 448 448 448 478 377 431 431 431 431 457 368 413 413 413 413 435 359 395 395 395 395 412 349 75 398 360 435 270 478 176 380 351 415 261 456 167 362 341 395 252 433 159 343 331 373 243 410 150 14000 80 410 410 437 341 479 250 394 394 417 332 457 241 378 378 397 322 434 232 360 360 376 312 411 223 85 434 434 443 414 480 324 417 417 423 405 458 315 400 400 404 396 436 306 381 381 381 381 413 297 90 458 458 457 457 484 393 440 440 440 440 462 384 422 422 422 422 440 375 403 403 403 403 417 365 75 400 365 436 272 479 177 382 356 416 263 457 168 364 346 396 254 434 160 345 337 375 244 40 151 14400 80 413
26. 5 16 c FEMALE Ie 9718 TOP VIEW SHOWING DUCT OPENINGS 83 13 16 PVC PIPE IN BASE FOR DOWNFLOW CONFIGURATION e 43718 Enc 3 4 NPT Cas E 3 3 16 ELECTRICAL 6 7 8 11 4 1 1 16 3 PLACES ACCESS 2 zr V 179 3 4 2368 90 1 16 7 8 CONVENIENCE Ler OUTLET SUPPLY RETURN OPENING OPENING 63 5 8 SIDE VIEW SHOWING X FRESH AIR AND j POWER EXHAUST HOODS FOR DOWNFLOW CONFIGURATION Fresh Air 4 3 8 Hood 27 3 4 51 1 8 i 28 1 2 2 7 16 REAR VIEW DUCT OPENINGS FOR HORIZONTAL UNIT Hn Power Exhaust i 1 778 Hood End of Unit m j 2 7 16 15 1 8 i 12 15 16 un 167 3 4 32 iic me 28 13 16 37 3 4 14 1 16 171 374 SIDE VIEW SHOWING POWER EXHAUST HOODS FOR HORIZONTAL CONFIGURATION 19 7 8 5 16 19 5 8 1 5 16 Do Power Exhaust Hoods End of Unit NOTE The Two Horizontal Power Exhaust Hoods and the three 27 1 Horizontal Fresh Air Hoods are Hl located side by side The Fresh 1 Air Hoods not shown extend only 32 1 16 23 15 16 from the end of the unit RFPRCOO7 EN e TRANE Dimensional Data Figure DD 2 27 1 2 35Tons YC High Heat NOTES 1 ALL DIMENSIONS INCHES zug P Emp sur SAME 2 THRU BASE ELECTRICAL LOCATIONS d ARE PRESENT ONLY WHEN OPTION IS ORDERED C C 90 5 8 e RETURN n SUPPLY 7513 16 OPENING 7015 16 OPENING AR 208 1 16 3 3 4 EN i RC En 70 7
27. 500 To 3500 To4500 To5500 To 6500 To 7500 Capacity Multiplier 100 92 88 84 80 76 72 Note Correction factors are per AGA Std 221 30 1964 Part VI 6 12 Local codes may supersede RFPRCOO7 EN Performance Data e TRANE T ble PD 4 27 1 2 Ton Gross Cooling Capacities MBh AmbientTemperature Deg F 85 95 105 115 Ent Entering Wet Bulb Temperature Deg F DB 61 67 73 61 67 73 61 67 73 61 67 73 CFM F TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC 75 291 228 323 185 358 130 278 221 309 174 343 123 265 213 295 167 327 116 251 206 279 159 310 109 8000 80 294 268 324 220 359 171 281 261 310 212 343 164 268 253 296 205 327 157 255 246 280 197 31 149 85 301 301 325 258 360 210 290 290 31 251 344 203 278 278 297 243 329 196 266 266 282 236 312 188 90 317 317 328 297 361 248 306 306 315 290 345 241 294 294 301 283 330 234 282 282 286 275 313 226 75 299 242 331 189 367 133 285 235 316 182 351 126 272 227 301 175 334 19 257 219 286 168 316 12 9000 80 302 286 332 232 367 178 290 279 318 225 351 171 276 272 303 217 335 164 261 261 287 209 317 157 85 314 314 334 275 368 221 302 302 319 268 352 215 290 290 305 260 336 208 277 277 289 252 319 201 90 331 331 338 319 369 264 319 319 324 312 354 256 306 306 310 304 337 249 293 293 293 293 320 241 75 305 255 337 197 373 136 292 248 322 190 357 129 277 240 307 183 339 122 263
28. 535 535 541 529 585 432 514 514 518 517 559 420 492 492 492 492 531 407 470 470 469 469 75 482 411 530 317 586 211 459 398 505 305 558 199 436 385 479 292 530 187 41 371 452 279 15000 80 489 489 533 391 587 292 469 469 508 379 560 280 448 448 482 366 531 268 426 426 456 352 85 518 518 539 471 588 372 497 497 514 458 561 360 475 475 489 445 533 346 453 453 463 432 90 547 547 546 546 591 449 525 525 525 525 565 437 503 503 503 503 537 424 480 480 480 480 75 488 425 536 321 591 213 465 412 510 309 563 202 441 399 484 296 534 189 416 385 456 282 16000 80 499 499 539 405 592 299 478 478 513 392 565 287 457 457 487 379 536 275 434 434 460 365 85 528 528 546 489 593 383 507 507 521 477 566 371 485 485 495 463 538 358 461 461 469 450 90 558 558 558 558 597 466 536 536 536 536 571 453 513 513 513 513 543 440 489 489 489 489 75 497 448 543 335 598 217 473 435 517 322 570 206 449 422 490 308 541 193 424 408 462 295 17600 80 513 513 547 425 599 311 491 491 521 412 572 299 469 469 495 399 543 286 446 446 467 385 85 543 543 555 518 601 401 521 521 530 505 574 389 498 498 504 492 545 376 474 474 474 474 90 574 574 574 574 606 492 551 551 551 551 579 479 527 527 527 527 551 466 Notes 1 All capacities shown are gross and have not considered indoor fan heat To obtain net cooling subtract indoor fan heat 2 TGC Total gross capacity 3 SHC Sensible heat capacity 20 RFPRCOO7 EN e TRANE Performance Data Table PD 8 50Ton Gross Cooling Capacities MBh
29. 67 73 61 67 73 CFM F TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC 75 323 255 358 207 397 144 309 247 343 194 380 137 295 239 327 186 362 129 279 230 310 178 344 122 9000 80 326 299 359 245 398 190 313 291 344 237 381 182 298 283 328 229 363 175 284 275 31 221 345 167 8 335 335 361 288 399 234 323 323 346 280 382 227 310 310 330 272 364 219 297 297 313 264 345 210 90 352 352 364 332 400 276 340 340 349 324 383 269 327 327 334 316 365 261 313 313 318 308 347 252 75 331 268 366 210 405 147 316 260 350 202 387 140 301 252 333 194 369 132 286 243 316 186 350 125 10000 80 335 317 367 257 406 197 321 309 351 249 388 189 306 301 335 241 370 182 290 290 318 232 351 174 85 347 347 369 304 407 246 334 334 353 296 389 238 321 321 337 288 371 230 307 307 320 280 352 222 90 366 366 374 353 408 292 353 353 358 345 391 284 339 339 342 337 372 276 325 325 324 324 353 267 75 337 281 372 218 411 150 322 273 356 210 393 143 307 265 339 202 374 135 291 256 321 194 355 127 11000 80 343 335 374 269 412 204 328 327 357 261 394 196 312 312 340 252 375 188 298 298 323 244 356 180 85 358 358 376 321 413 257 345 345 360 312 395 249 331 331 343 304 377 241 316 316 326 296 357 233 90 378 378 382 374 415 306 364 364 367 366 397 298 350 350 349 349 378 290 335 335 334 334 359 282 75 343 294 378 225 417 153 328 285 361 218 398 145 312 277 343 210 379 138 295 268 325 201 359 129 12000 80 348 348 379 280 418 210 334 334 362 272 399 203 321
30. 75 542 345 19000 80 600 600 642 495 702 363 575 575 611 480 670 350 549 549 580 465 636 335 522 522 547 449 85 636 636 651 602 704 467 610 610 621 587 673 453 583 583 590 572 639 438 555 555 559 556 90 671 671 671 671 709 571 645 645 645 645 678 557 617 617 617 617 645 543 75 587 537 642 400 705 257 559 522 611 386 672 244 530 506 579 371 637 230 501 490 545 353 20000 80 609 609 647 509 707 371 583 583 616 494 674 357 557 557 584 478 640 343 529 529 551 463 85 645 645 657 621 708 479 619 619 627 606 677 465 591 591 596 591 643 450 563 563 562 562 90 681 681 681 681 714 589 654 654 654 654 683 575 626 626 626 626 650 560 Notes 1 All capacities shown are gross and have not considered indoor fan heat To obtain net cooling subtract indoor fan heat 2 TGC Total gross capacity 3 SHC Sensible heat capacity RT PRCOO7 EN 21 e TRANE 22 Performance Data Table PD 9 Electric Heat Air Temperature Rise KW Total Cfm Input MBH 8000 9000 10000 11000 12000 13000 14000 15000 16000 17000 18000 19000 20000 36 123 14 2 12 6 113 10 3 94 87 81 16 54 184 212 18 9 170 15 4 14 2 13 1 12 1 113 10 6 10 0 94 89 85 72 246 28 3 252 22 6 20 6 18 9 174 162 151 14 2 133 12 6 119 113 90 307 354 315 28 3 25 7 23 6 218 20 2 18 9 177 16 7 157 14 9 142 108 369 28 3 26 1 243 22 6 212 20 0 18 9 179 170 Notes 1 Air temperature rise 2 KW x 3413 scfm
31. Low High 1 Element 2 Element Adder 2 4 Vanes Economizer 8000 0 08 0 06 0 05 0 06 0 00 0 04 0 03 0 05 0 04 9000 0 10 0 08 0 07 0 07 0 00 0 05 0 04 0 07 0 04 27 10000 0 13 0 10 0 08 0 09 0 00 0 06 0 05 0 08 0 05 11000 0 15 0 12 0 10 0 1 0 00 0 08 0 05 0 10 0 06 12000 0 18 0 14 0 12 0 13 0 00 0 09 0 07 0 12 0 07 9000 0 10 0 08 0 07 0 07 0 00 0 05 0 04 0 07 0 04 10000 0 13 0 10 0 08 0 09 0 00 0 06 0 05 0 08 0 05 30 11000 0 15 0 12 0 10 0 1 0 00 0 08 0 05 0 10 0 06 12000 0 18 0 14 0 12 0 13 0 00 0 09 0 07 0 12 0 07 13000 0 21 0 16 0 14 0 15 0 00 0 1 0 08 0 14 0 09 10500 0 14 0 11 0 09 0 10 0 11 0 07 0 05 0 09 0 06 11500 0 17 0 13 0 1 0 12 0 12 0 08 0 06 0 11 0 07 35 12500 0 20 0 15 0 13 0 14 0 14 0 10 0 07 0 13 0 08 13500 0 23 0 18 0 15 0 16 0 16 0 11 0 08 0 15 0 10 14500 0 26 0 20 0 18 0 19 0 18 0 13 0 10 0 18 0 11 12000 0 01 0 03 0 08 0 13 0 00 0 09 0 07 0 04 0 07 13000 0 01 0 04 0 10 0 15 0 00 0 1 0 08 0 05 0 08 14000 0 02 0 05 0 11 0 18 0 00 0 12 0 09 0 05 0 09 40 15000 0 02 0 05 0 13 0 20 0 00 0 14 0 10 0 06 0 10 16000 0 02 0 06 0 15 0 23 0 00 0 16 0 12 0 07 0 11 17000 0 02 0 07 0 17 0 26 0 00 0 18 0 13 0 08 0 12 15000 0 02 0 05 0 13 0 20 0 12 0 14 0 10 0 06 0 10 16000 0 02 0 06 0 15 0 23 0 13 0 16 0 12 0 07 0 11 50 17000 0 02 0 07 0 17 0 26 0 15 0 18 0 13 0 08 0 12 18000 0 03 0 08 0 19 0 29 0 16 0 20 0 15 0 09 0 14 19000 0 03 0 08 0 21 0 32 0 18 0 23 0 16 0 10 0 16 20000 0 03 0 09 0 23 0 36 0 19 0 25 0 18 0 1 0 18 Notes 1 Static pressure
32. NG FRESH AIR AND POWER EXHAUST HOODS FOR DOWNFLOW CONFIGURATION 1 oo 7 oo Fresh Air I Hood 4 3 8 55 7 16 53 1 8 H36 1716 28 7 16 REAR VIEW SHOWING DUCT OPENINGS FOR HORIZONTAL UNIT iit Power Exhaust i Hood End of Unit 1 7 8 2 7 16 15 11 6 n um 1 1 put 15 15 16 are Ie 220 3 8 37 3 4 56 172 SIDE VIEW SHOWING Hn POWER EXHAUST HOODS H FOR HORIZONTAL CONFIGURATION 14 1 16 xh 18 3 8 1 5 167 Z7 18 378 2 1 5 164 18 3 8 1 7 8 Power Exhaust Hoods End of Unit 80 13 16 NOTE The Two Horizontal Power Exhaust Hoods and the three Horizontal Fresh Air Hoods are n located side by side The Fresh Air Hoods not shown only extend 23 15 16 from the end of the unit 36 32 1 16 4 RFPRCOO7 EN RFPRCOO7 EN e TRANE Dimensional Data Field Installed Sensors SINGLE SETPOINT SENSOR WITH SYSTEM FUNCTION LIGHTS BAYSENSO21 Im c1 1 4 E TIR SERVICE coo g H HH AUTO O HHH OF F HEAT xmao uo SYS UN E 80 E70 OHU E60 al E 50 HHH 40 S mur J HHH e 3 4 PROGRAMMABLE NIGHT SETBACK SENSOR BAYSENS020 5 45 l LT I PROGRAM Mo 19 CLOCK DD J A k 2 4D 47 e L1 DAY ERASE HDLD TEM
33. ONETEMPERATURE SENSOR W TIMED OVERRIDE BUTTONS BAYSENSOL3 ALSO AVAILABLE SENSOR ONLY BAYSENSOL7 1 8 1 1 8 S a m go e o CANCEL Mm I e TRANEN j E t P l TEMPERATURE SENSOR BAYSENSO I6 Note 1 Remote sensors are available for use with all zone sensors to provide remote sensing capabilities RFPRCOO7 EN 4 1 2 REMOTE MINIMUM POSITION POTENTIOMETER CONTROL BAYSTATO23 1 7 16 3 4 z e S Ft Ay SS me Ps E737 97 lt D 15 16 Face 2 3 174 p z Mounting Hive fo A Bracket 4 1 72 DAMPER HONEYWELL 1 1 1 16 5 8 Y e 3 4 39 e TRANE Weights Table W 1 Approximate Operating Weights Lbs Basic Unit Weights Unit YC YC TC TE Model Low Heat High Heat D330 3650 4012 3520 3553 H330 3650 4077 3565 3598 D360 3730 4092 3600 3633 H360 3730 4142 3600 3633 D420 3815 4177 3685 3718 H420 3815 4227 3685 3718 D480 4765 4885 4540 4575 H480 4790 4915 4540 4575 D600 4935 5055 4710 4745 H600 4960 5085 4710 4745 Notes 1 Basic unit weight includes minimum HP Supply Fan motor 2 Optional high static and high efficiency motor weights are in addition to the standard motor weight included in the bas
34. P v MODE ey Gm mar Y a e 6 9 D i C3 Note 1 Remote sensors are available for use with all zone sensors to provide remote sensing capabilities Note 1 Remo 38 TRANE N 1 SE s OQ y HEAT COOL s auto O z OFF HEAT wl COOL O On fig auto ON N 4 1 2 90 90 E 7 E ai E90 70 60 50 epar Y 2 3 4 Dimensional Data Field Installed Sensors PROGRAMMABLE NIGHT SETBACK SENSOR BAYSENSO19 5 45 l LI Lr PROGRAM Mi oud NN inpe CLOCK 1o ind A C F od 37 a D a AUTO HOLD TEMP Q7 MODE FAN my oum TNE e 6 9 1 52 be 1 1 4 DUAL SETPOINT MANUAL AUTOMATIC CHANGEOVER SENSORWITH SYSTEM TERN FUNCTION LIGHTS BAYSENSOIO 4 1 2 WITHOUT LED STATUS INDICATORS BAYSENSOO8 ID SINGLE SETPOINTWITHOUT LED STATUS INDICATORS BAYSENSOO6 e sensors are available for use with all zone sensors to provide remote sensing capabilities RFPRCOO7 EN ZONETEMPERATURE SENSOR W TIMED OVERRIDE BUTTON AND LOCAL SETPOINT ADJ USTMENT BAYSENSOI4 Dimensional Data e TRANE Integrated Comfort System Sensors Z
35. P Across Dampers In WC 0 5 In 10 In Standard 15 25 Optional Low Leak 05 10 Note Above data based on tests completed in accordance with AMCA Standard 575 17 e TRANE Table PD 1 Enthalpy of Saturated AIR Wet BulbTemperature Btu Per Lb 40 15 23 4l 15 70 42 16 17 43 16 66 44 1715 45 1765 46 18 16 47 18 68 48 19 21 49 19 75 50 20 30 51 20 86 52 2144 53 22 02 54 22 62 55 23 22 56 23 84 57 24 48 58 25 12 59 25 78 60 26 46 61 2715 62 2785 63 28 57 64 29 31 65 30 06 66 30 83 67 3162 68 32 42 69 33 25 70 34 09 71 34 95 72 35 83 73 36 74 74 3766 75 38 61 18 Performance Adjustment Factors Figure PD 1 Air Density Ratios 14 1 0 Air Density Ratio Density 2 at New Air Density Conditiory Std 40 90 60 70 80 90 Rooftop Leaving Air Temperature degrees F Table PD 2 Cooling Capacity Altitude Correction Factors Altitude Ft Sea Level 1000 2000 3000 4000 5000 6000 7000 Cooling Capacity Multiplier 100 0 99 0 99 0 98 0 97 0 96 0 95 0 94 KW Correction Multiplier Compressors 100 101 102 103 104 105 106 107 SHR Correction Multiplier 100 98 5 9B 91 89 87 85 Maximum Condenser Ambient T15F 114F 113 F nl2F IF OF 109F 108F Note SHR Sensible Heat Ratio Table PD 3 Gas Heating Capacity Altitude Correction Factors Altitude Ft Sea Level 2001 2501 3501 4501 5501 6501 To 2000 To 2
36. Temperature Control 5 7 5 Hp Hi Eff w Inlet Guide Vanes 6 10 Hp Hi Eff 4 VAN Supply Air Temperature Control 7 2 15 Hp Hi Eff w Nariable Frequency Drive w o Bypass 8 20 Hp Hi Eff 5 VAV Supply Air Temperature Control m s w Variable Frequency Drive and Bypass Digit 14 Supply Air Fan Drive Note Zone sensors are not included with apad See Note 3 option and must be ordered as a separate 550 RPM H 500 RPM accessory 600 RPM J 525 RPM 650 RPM K 575 RPM Digit 17 29 Miscellaneous 700 RPM L 625 RPM A Service Valves See Note 2 750 RPM M 675 RPM B Through the Base Electrical Provision 790 RPM N 725 RPM C Non Fused Disconnect Switch with 800 RPM External Handle it 15 Fresh Air Selection D Factory Powered 15A GFI Convenience Outlet and Non Fused 0 25 Manual Damper Disconnect Switch with 0 100 Economizer Dry Bulb Control External Handle 0 100 Economizer Reference E Field Powered 15A GFI Enthalpy Control Convenience Outlet No Fresh Air m UT IE 0 100 Economizer Differential F ICS Control Option Trane Enthalpy Control Communication Interface Supply Air C Option and Low Leak Fresh Sensing and Clogged Filter Switch Air Damper G Ventilation Override G D Option and Low Leak Fresh H Hinged Service Access Air Damper J Condenser Coil Guards H E Option and Low Leak Fresh K LonTalk Communication Interface Air Damper L Special M Stainl
37. Width in 25 00 25 00 DriveType No Speeds Belt 1 No Motors HP 1 10 00 15 00 20 00 Motor RPM 1760 Motor Frame Size 215 254 256T Exhaust FanType Propeller No Used Diameter in 2 26 00 DriveType No Speeds M otors Direct 2 2 Motor HP RPM 10 1075 Motor Frame Size 48 Filters Type Furnished Throwaway No Recommended Size in 17 16 x 20x 2 Refrigerant Charge Lbs of R 22 25 70 54 30 per circuit Minimum Outside AirTemperature For Mechanical Cooling OF Notes 1 Cooling Performance is rated at 95 F ambient 80 F entering dry bulb 67 F entering wet bulb Gross capacity does not include the effect of fan motor heat Rated and tested in accordance with the Unitary Large Equipment certification program which is based on ARI Standard 340 360 93 N Heating Performance limit settings and rating data were established and approved under laboratory test conditions using American National Standards Institute standards Ratings shown are for elevations up to 4 500 feet Maximum KW 208V 41 240V 54 auBRW Maintenance Guide RFPRCOO7 EN Steady State Efficiency is rated in accordance with DOE test procedures Refrigerant charge is an approximate value For a more precise value see unit nameplate and service instructions Filter dimensions listed are nominal For actual filter and rack sizes see the Unit Installation Operation Table GD 4 Economizer Outdoor Air Damper Leakage Of Rated Airflow A
38. ach type of unit has its own set of calculations for MCA Minimum Circuit Ampacity MOP Maximum Overcurrent Protection and RDE Recommended Dual Element fuse size Read the load definitions that follow and then find the appropriate set of calculations based on your unit type Set 1 is for cooling only and cooling with gas heat units and set 2 is for cooling with electric heat units Load Definitions To determine load values see the Electrical Service Sizing DataTables LOAD1 CURRENT OFTHE LARGEST MOTOR COMPRESSOR OR FAN MOTOR LOAD2 SUM OFTHE CURRENTS OF ALL REMAINING MOTORS LOAD3 CURRENT OF ELECTRIC HEATERS LOAD4 ANY OTHER LOAD RATED AT 1AMP OR MORE Set 1 Cooling Only Rooftop Units and Cooling with Gas Heat Rooftop Units MCA 125 x LOAD1 LOAD2 LOAD4 MOP 2 25 x LOAD1 LOAD2 LOAD4 Select a fuse rating equal to the MOP value If the MOP value does not equal a standard fuse size as listed in NEC 240 6 select the next lower standard fuse rating NOTE If selected MOP is less than the MCA then reselect the lowest standard maximum fuse size which is equal to or larger than the MCA provided the reselected fuse size does not exceed 800 amps RDE 15 x LOAD1 LOAD2 LOAD4 Select a fuse rating equal to the RDE value If the RDE value does not equal a standard fuse size as listed in NEC 240 6 select the next higher standard fuse rating NOTE If the selected RDE is greater than the selecte
39. al thermostats RFPRCOO7 EN e TRANE Features and Benefits VariTrac Downflow and Horizontal Economizers Trane s changeover VAV System for light The economizers come with three commercial applications is also control options dry bulb enthalpy and available Coupled with Voyager differential enthalpy Photo above Commercial it provides the latest in shows the three fresh air hoods on the technological advances for comfort Horizontal Discharge Configuration management systems and can allow thermostat control in every zone served by VariTrac Trane Communication Interface TCI Available factory or field installed This module when applied with the Micro easily interfaces with Trane s Integrated Comfort System Variable Frequency Drives VFD Variable Frequency Drives are factory installed and tested to provide supply fan STATUS EDIT motor speed modulation VFD s as PANEL TERMINAL compared to inlet guide vanes or discharge dampers are quieter more efficient and are eligible for utility rebates The VFD s are available with or without a bypass option Bypass control will simply provide full nominal airflow in the event of drive failure Trane factory built roof curbs Available for all units One of Our Finest Assets Trane Commercial Sales Engineers are a support group that can assist you with Product Application Service Training Special Applications Specifications Comp
40. anes and VAV boxes are coordinated with respect to time during unit start up and transition to from Occupied Unoccupied modes to prevent overpressurization of the supply air ductwork However if for any reason the supply air pressure exceeds the fixed supply air static pressure limit of 3 5 W C the supply fan is shut down and the inlet guide vanes are closed The unit is then allowed to restart four times If the overpressurization condition occurs on the fifth time the unit is shut down and a manual reset diagnostic is set and displayed at any of the remote panels with LED status lights or communicated to the Integrated Comfort system 28 Controls Variable Frequency Drives VFD Control Variable frequency drives are driven by a modulating 0 10 vdc signal from the VAV module A pressure transducer measures duct static pressure and the VFD is modulated to maintain the supply air static pressure within an adjustable user defined range The range is determined by the supply air pressure setpoint and supply air pressure deadband which are set through a unit mounted potentiometer Variable frequency drives provide supply fan motor speed modulation The drive will accelerate or decelerate as required to maintain the supply static pressure setpoint When subjected to high ambient return conditions the VFD shall reduce its output frequency to maintain operation Bypass control is offered to provide full nominal airflow in
41. ber Description A 4 F D 1A 00 0 0000 00 0 0 0 YC D 480 A 12 3 456 7 por 1 2 Unit Function DX Cooling No Heat TE DX Cooling Electric Heat YC DX Cooling Natural Gas Heat pers UnitAirflow Design Downflow Configuration Horizontal Configuration s Digit 4 5 6 Nominal Cooling Capacity 330 27v Tons 360 30 Tons 420 35 Tons 480 40 Tons 600 50 Tons Digit 7 Major Development Sequence A First Digit 8 Power Supply See Note 1 E 208 60 3 F 230 60 3 4 460 60 3 5 575 60 3 Dior 9 Heating Capacity See Note 4 No Heat TC only Low Heat YC only H High Heat YC only Note When second digit is E for Electric Heat the following values apply in the ninth digit A 36 KW B 54KW C 72KW D 90 KW E 108 KW Digit 10 Design Sequence A First Digit 11 Exhaust 0 None 1 Barometric Relief Available w Economizer only 2 Power Exhaust Fan Available w Economizer only Digit 12 Filter A Standard 2 Throwaway Filters B High Efficiency 2 Throwaway Filters C High Efficiency 4 Throwaway Filters 14 4 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 2829 Digit 16 System Control 1 Constant Volume Digit 13 Supply Fan Motor HP 1 7 5 Hp Std Eff 2 10 Hp Std Eff 2 VAV Supply Air Temperature Control 3 15 Hp Std Eff w o Inlet Guide Vanes 4 20 Hp Std Eff 3 VAV Supply Air
42. ble are based on heater operating at 208 240 480 and 600 volts RFPRCOO7 EN e TRANE Electrical Data Table ED 2 27 250Ton Electrical Service Sizing Data Fan Motors Compressor Supply Condenser Exhaust Allowable Standard Electrical Voltage RLA LRA Hi Efficiency FLA FLA Model Characteristics Range No Ton Ea Ea HP FLA No HP Ea No HP Ea TC TE YC 330 X 208 60 3 187 229 1 10 1 15 419 62 8 269 409 75 22 3 215 3 11 70 2 10 6 7 10 0 29 7 29 0 230 60 3 207 253 419 62 8 247 376 75 19 6 18 8 70 6 7 10 0 26 4 25 2 460 60 3 414 506 18 1 273 95 142 75 9 8 9 4 3 5 2 9 10 0 13 2 12 6 575 60 3 517633 14 6 218 76 114 75 18 75 28 23 10 0 10 3 10 1 TC TE YC 360 208 60 3 187 229 2 15 62 8 409 75 22 3 215 3 11 10 2 10 6 7 10 0 29 7 29 0 230 60 3 207 253 62 8 376 75 19 6 18 8 70 6 7 10 0 26 4 25 2 460 60 3 414 506 27 3 142 75 9 8 9 4 3 5 2 9 10 0 13 2 12 6 575 60 3 517633 218 114 75 78 75 28 23 10 0 10 3 10 1 TC TE YC 420 X 208 60 3 187 229 2 15 62 8 409 75 22 3 215 3 11 70 2 10 6 7 10 0 29 7 29 0 15 0 44 4 415 230 60 3 207 253 62 8 376 75 19 6 18 8 70 6 7 10 0 26 4 25 2 15 0 38 6 36 0 460 60 3 414 506 273 142 75 9 8 9 4 35 2 9 10 0 132 12 6 15 0 19 3 18 0 575 60 3 517 633 218 14 75 78 15 2 8 2 3 10 0 10 3 10 1 15 0 154 14 5 TC TE YC 480 X 208 60 3 187229 2 51 10 602 8 62 8419 409 409 269 10 0 29 7 29 0 4 11 70 2 10 6 7 15 0 44 4 415 230 60 3 207 253 62 8 62 8 419 376 3760247 10 0 26 4 25
43. d MOP value then reselect the RDE value to equal the MOP value 32 Electrical Data DSS 115 x LOAD1 LOAD2 LOAD4 Select a disconnect switch size equal to or larger than the DSS value calculated Set 2 Rooftop units with Electric Heat To arrive at the correct MCA MOP and RDE values for these units you must perform two sets of calculations First calculate the MCA MOP and RDE values as if the unit was in cooling mode use the equations given in Set 1 Then calculate the MCA MOP and RDE values as if the unit were in the heating mode as follows Keep in mind when determining LOADS that the compressors and condenser fans don t run while the unit is in the heating mode For units using heaters less than 50 kw MCA 125 x LOAD1 LOAD2 LOAD4 125 x LOAD3 For units using heaters equal to or greater than 50 kw MCA 125 x LOAD1 LOAD2 LOAD4 LOAD3 The nameplate MCA value will be the larger of the cooling mode MCA value or the heating mode MCA value calculated above MOP 2 25 x LOAD1 LOAD2 LOAD3 LOAD4 The selection MOP value will be the larger of the cooling mode MOP value or the heating mode MOP value calculated above Select a fuse rating equal to the MOP value If the MOP value does not equal a standard fuse size as listed in NEC 240 6 select the next lower standard fuse rating NOTE If selected MOP is less than the MCA then reselect the lowest standard maximum fuse size which
44. d for all 24 volt control functions The resident control algorithms shall 41 e TRANE make all heating cooling and or ventilating decisions in response to electronic signals from sensors measuring indoor and outdoor temperatures The control algorithm maintains accurate temperature control minimizes drift from set point and provides better building comfort A centralized microprocessor shall provide anti short cycle timing and time delay between compressors to provide a higher level of machine protection Control Options Inlet Guide Vanes shall be installed on each fan inlet to regulate capacity and limit horsepower at lower system requirements When in any position other than full open they shall pre spin intake air in the same direction as fan rotation The inlet guide vanes shall close when supply fan is off exceptin night setback The inlet guide vane actuator motor shall be driven by a modulating dc signal from the unit microprocessor A pressure transducer shall measure duct static pressure and modulate the inlet guide vanes to maintain the required supply air static pressure within a predetermined range Variable Frequency Drives VFDs VFDs shall be factory installed and tested to provide supply fan motor speed modulation TheVFD shall receivea 2 10VDC signal from the unit microprocessor based upon supply static pressure and shall cause the drive to accelerate or decelerate as required to maintain the supply
45. e Micro ensures that these controls are integral to the unit The contractor no longer has to purchase these controls as options and pay to install them The wiring of the low voltage connections to the unit and the zone sensors is as easy as 1 1 2 2 and 3 3 This simplified system makes it easier for the installer to wire e TRANE Easy to Service Because today s owners are very cost conscious when it comes to service and maintenance theTrane Voyager was designed with direct input from service contractors This valuable information helped to design a product that would get the serviceman off the job quicker and save the owner money Voyager does this by offering A Simpler Design TheVoyager design uses fewer parts than previous units Since itis simpler in design it is easier to diagnose Miao The Micro requires no special tools to run the Voyager unit through its paces Simply place a jumper betweenTest 1 andTest 2 terminals on the Low Voltage Terminal Board and the unit will walk through its operational steps automatically The unit automatically returns control to the zone sensor after stepping through the test mode a single time even if the jumper is left on the unit As long as the unit has power and the system on LED is lit the Micro is operational The light indicates that the Micro is functioning properly The Micro features expanded diagnostic capabilities when utilized withTrane s
46. e are experience proven guidelines which will help reduce sound transmissions Clearance Requirements The recommended clearances identified with unit dimensions should be maintained to assure adequate serviceability maximum capacity and peak operating efficiency A reduction in unit clearance could result in condenser Coil starvation or warm condenser air recirculation If the clearances shown are not possible on a particular job consider thefollowing Do the clearances available allow for major service work such as changing compressors or coils Do the clearances available allow for proper outside air intake exhaust air removal and condenser airflow If screening around the unit is being used is there a possibility of air recirculation from the exhaust to the outside air intake or from condenser exhaust to condenser intake Actual dearances which appear inadequate should be reviewed with a local Trane sales engineer When two or more units are to be placed side by side the distance between the units should be increased to 150 percent of the recommended single unit clearance The units should also be staggered for two reasons 1 To reduce span deflection if more than one unit is placed on a single span Reducing deflection discourages sound transmission 2 To assure proper diffusion of exhaust air before contact with the outside air intake of adjacent unit Duct Design It is important to note that the rat
47. e cooling capacity procedure Mixed air temperature RADB 0 A OADB RADB 72 0 10 0 72 64 8 F Supply air fan motor heat temperature rise 220 600 BTU 1085 x 12 000 cfm 16F Mixed air temperature entering heat module 64 8 16 66 4 F Total winter heating load peak heating ventilation load total fan motor heat 225 872 20 6 2916 MBh Electric Heating System Unit operating on 480 60 3 power supply FromTable PD 9 kw may be selected for a nominal 30 ton unit operating on 480 volt power The high heat module 90 KW or 307 MBh will satisfy the winter heating load of 2916 MBh RFPRCOO7 EN Selection Procedure e TRANE Table PD 9 also shows an air temperature rise of 23 6 F for 12 000 cfm through the 90 kw heat module Unit supply temperature at design heating conditions mixed air temperature air temperature rise 66 4 23 6 90 F Natural Gas Heating System Assume natural gas supply 1000 Btu fe FromTable PD 11 select the high heat module 486 MBh output to satisfy 2916 at unit cfm Table PD 11 also shows air temperature rise of 373 F for 12 000 cfm through heating module Unit supply temperature design heating conditions mixed air temperature air temperature rise 266 4 373 2103 7 F Air Delivery Procedure Supply air fan bhp and rpm selection Unit supply air fan performance shown inTable PD 12 includes pressure drops for dampers and casing losses Static pressure d
48. e factory installed It shall assist the barometric relief damper in maintaining building pressurization Unit Options Service Valves Service valves shall be provided factory installed and include suction liquid and discharge 3 way shutoff valves Through The Base Electrical Provision An electrical service entrance shall be provided which allows access to route all high and low voltage electrical wiring inside the curb through the bottom of the outdoor section of the unit and into the control box area Non Fused Disconnect Switch A factory installed non fused disconnect switch with external handle shall be provided and shall satisfy NEC requirements for a service disconnect The non fused disconnect shall be mounted inside the unit control box GFI Convenience Outlet Factory Powered A 15A 115V Ground Fault Interrupter convenience outlet shall be factory installed It shall be wired and powered from a factory mounted transformer Unit mounted non fused disconnect with external handle shall be furnished with factory powered outlet GFI Convenience Outlet Field Powered A 15A 115V Ground Fault Interrupter convenience outlet shall be factory installed and shall be powered by customer provided 115V circuit Hinged ServiceAccess Filter access panel and supply fan access panel shall be hinged for ease of unit service Condenser Coil Guards Factory installed condenser vinyl coated wire mesh coil guards shal
49. ed capacities of the rooftop can be met only ifthe rooftop is properly installed in the field A well designed duct system is essential in meeting these capacities The satisfactory distribution of air throughout the system requires that there be an unrestricted and uniform airflow from the rooftop discharge duct This discharge section should be straight for at least several duct diameters to allow the conversion of fan energy from velocity pressure to static pressure However when job conditions dictate elbows be installed near the rooftop outlet the loss of capacity and static pressure may be reduced through the use of guide vanes and proper direction of the bend in the elbow The high velocity side of the rooftop outlet should be directed atthe outside radius of the elbow rather than the inside 11 e TRANE Selection of Trane commercial air conditioners is divided into five basic areas 1 Cooling capacity 2 Heating capacity 3 Air delivery 4 Unit electrical requirements 5 Unit designation Factors Used In Unit Cooling Selection 1 Summer design conditions 95 DB 76WB 95 F entering air to condenser 2 Summer room design conditions 76 DB 66WB 3 Total peak cooling load 321 MBh 2775 tons 4 Total peak supply cfm 12 000 cfm 5 External static pressure 10 inches 6 Return air temperatures 80 DB 66WB 7 Return air cfm 4250 cfm 8 Outside air ventilation cf
50. elevations up to 4 500 feet Steady State Efficiency is rated in accordance with DOE test procedures Refrigerant charge is an approximate value For a more precise value see unit nameplate and service instructions N Maximum KW 208V 41 240V 54 UAW Filter dimensions listed are nominal For actual filter and rack sizes see the Unit Installation Operation Maintenance Guide RFPRCOO7 EN Table GD 3 General Data 50Ton General Data e TRANE 50Ton Cooling Performance Nominal Gross Capacity 616 000 Natural Gas Heat Low High Heating Input BTUH 400 000 800 000 First Stage 300 000 600 000 Heating Output BTUH 324 000 648 000 First Stage 243 000 486 000 Steady State Efficiency 96 8100 8100 No Burners 1 2 No Stages 2 2 Gas Connection Pipe Size in 3 4 1 Electric Heat KW Range 41 108 Capacity Steps 2 Compressor Number Type 3 Scroll Size nominal 14 Unit Capacity Steps 100 67 33 Motor RPM 3450 Outdoor Coil Type Lanced Tube Size in OD fg Face Area sq ft 69 79 Rows Fins Per Inch 2 16 Indoor Coil Type Hi Performance Tube Size in OD i Face Area sq ft 3750 Rows Fins Per Foot 4 164 Refrigerant Control TXV No of Circuits 2 Drain Connection No Size in 1 125 Type PVC Outdoor FanType Propeller No Used Diameter 4 28 00 DriveType No Speeds Direct 1 CFM 31 700 No Motors HP RPM 4 L10 1125 Indoor FanType FC No Used 1 Diameter
51. enabled Heating stages enabled Emergency shutdown Minimum damper position Heating setpoint Cooling setpoint Supply air tempering enable disable Slave mode CV only Tracer Local operation SAT setpoint Reset setpoint Reset amount MWU setpoint MWU enable disable SAT Reset type select Static pressure setpoint Static pressure deadband Daytime warm up enable disable Power exhaust setpoint Zone Sensors Shall be provided to interface with the Micro unit controls and shall be available in either manual automatic programmable with night setback with system malfunction lights or remote sensor options Conventional Thermostat Interface CTI This field installed circuit board shall provide interface with electromechanical thermostats or automation systems Not available with VAV system control Differential Pressure Switches This field installed option allows dirty filter indication The dirty filter switch will light the Service LED on the zone sensor and will allow continued unit operation Remote Potentiometer A remote potentiometer shall be available to remotely adjust the unit economizer minimum position HighTemperature Thermostats Field installed manually resettable high temperature thermostats shall provide input to the unit controls to shut down the system if the temperature sensed at the return is 135 F or at the discharge 240 F Reference Enthalpy Kit Field installed enthalp
52. entilation override allows an external system to assume control of the unit for the purpose of exhaust or pressurization There are two inputs associated with ventilation override the initiate input and the select input When the UCP senses a continuous closed condition on the initiate input atthe low voltage terminal board the unit will begin ventilation override depending on the condition of the select input The default condition of the select input is exhaust input open A closed select input will yield pressurization The component state matrix for ventilation override is as follows System Component Exhaust Pressurization Heat Cool o off IGV closed open Supply Fan o on Exhaust Fan on off Outside Air Damper Closed open Return Air Damper open closed VAV Boxes n a open RFPRCOO7 EN Coil Freeze Protection FROSTAT The FROSTAT system eliminates the need for hot gas bypass and adds a suction line surface temperature sensor to determine if the coil is in a condition of impending frost If impending frost is detected primary cooling capacity is shed as necessary to prevent icing All compressors are turned off after they have mettheir minimum 3 minute on times The supply fan is forced on until the FROSTAT device no longer senses a frosting condition or for 60 seconds after the last compressor is shut off whichever is longer Occupied Unoccupied Switching There are 3 ways to swi
53. ers open The rate of economizer modulation is based on deviation of the zone temperature from setpoint i e the further away from setpoint the faster the fresh air damper will open First stage of cooling will be allowed to start after the economizer reaches full open Note that the economizer is allowed to function freely only if ambient conditions are below the enthalpy control setting or below the return air enthalpy if unit has comparative enthalpy If outside air is not suitable for economizing the fresh air dampers drive to the minimum open position A field adjustable potentiometer on the Unitary Economizer Module UEM Tracer or a remote potentiometer can provide the input to establish the minimum damper position At outdoor air temperatures above the enthalpy control setting primary cooling only is used and the outdoor air dampers remain at minimum position If the unit does not include an economizer primary cooling only is used to satisfy cooling requirements Heating Gas Heating When heating is required the UCP initiates the heating cycle by energizing the K5 relay heating relay s and the ignition control module s The K5 relay brings on the combustion fan motor The ignition control module s begin the ignition process by preheating the hot surface ignitor s After the hot surface ignitor is preheated the gas valve is opened to ignite first stage If ignition does not take place the ignition contr
54. es 1 Performance in table is with both motors operating 2 High speed both motors on high speed Medium speed is one motor on high speed and one on low speed Low speed is both motors on low speed 3 Power Exhaust option is not to be applied on systems that have more return air static pressure drop than the maximum shown in the table for each motor speed tap RT PRCOO7 EN 27 e TRANE VAV Units Only Sequence of Operation 1 Supply Air Pressure Control Inlet Guide Vane Control Inlet guide vanes are driven by a modulating 2 10 vdc signal from the VAV Module A pressure transducer measures duct static pressure and the inlet guide vanes are modulated to maintain the supply air static pressure within an adjustable user defined range The range is determined by the supply air pressure setpoint and supply air pressure deadband which are set through a unit mounted potentiometer Inlet guide vane assemblies installed on the supply fan inlets regulate fan capacity and limit horsepower at lower system air requirements When in any position other than full open the vanes pre spin intake air in the same direction as supply fan rotation As the vanes approach the full closed position the amount of spin induced by the vanes increases at the same time that intake airflow and fan horsepower diminish The inlet guide vanes will close when the supply fan is shut down Supply Air Static Pressure Limit The opening of the inlet guide v
55. ess Steel Drain Pans N Black Epoxy Coated Condenser Coil Note 1 All voltages are across the line starting only 2 Option includes Liquid Discharge Suction Valves 3 Supply air fan drives A thru G are used with 2712 35 ton units only and drives H thru N are used with 40 amp 50 ton units only 4 Electric Heat KW ratings are based upon voltage ratings of 240 480 600 V Voltage offerings are as follows see table PD 9 for additional information KW Tons Voltage 36 54 72 90 108 27 2 to 35 240 x x 480 x x x x 600 x x x 40 and 50 240 x 480 x x x Xx 600 x x x x 5 The service digit for each model number contains 29 digits all 29 digits must be referenced RTPRC007 EN e TRANE General Data Table GD 1 General Data 27 1 2 30 Tons 27 1 2Ton 30Ton Cooling Performance Nominal Gross Capacity 329 000 363 000 Natural Gas Heat Low High Low High Heating Input BTUH 350 000 600 000 350 000 600 000 First Stage 250 000 425 000 250 000 425 000 Heating Output BTUH 283 500 486 000 283 500 486 000 First Stage 202 500 344 500 202 500 344 500 Steady State Efficiency 8100 8100 8100 8100 No Burners 1 2 1 2 No Stages 2 2 2 2 Gas Connection Pipe Size in 3h 1 3h 1 Electric Heat KW Range 27 90 27 90 Capacity Steps 2 2 Compressor Number Type 2 Scroll 2 Scroll Size Nominal 10 15 15 Unit Capacity Steps 96 100 40 100 50 Motor RPM 3450 3450 Ou
56. ey shall be double hemmed and gasket sealed to prevent water leakage Cabinet construction shall allow for all maintenance on one side of the unit Service panels shall have handles and shall be removable while providing a water and air tight seal Control box access shall be hinged The indoor air section shall be completely insulated with fire resistant permanent odorless glass fiber material The base of the unit shall have provisions for crane lifting Filters Two ind throwaway filters shall be standard on all size units Two inch high efficiency and four inch high efficiency filters shall be optional Compressors Trane 3 D Scroll compressors have a simple mechanical design with only three major moving parts Scroll type compression provides inherently low vibration The 3 D Scroll provides a completely enclosed compression RFPRCOO7 EN Mechanical Specifications e TRANE chamber which leads to increased efficiency Exhaustive testing on the 3 D Scroll including start up with the shell full of liquid has proven that slugging does not fail involutes Direct drive 3600 rpm suction gas cooled hermetic motor Trane 3 D Scroll compressor includes centrifugal oil pump oil level sightglass and oil charging valve Each compressor shall have crankcase heaters installed properly sized to minimize the amount of liquid refrigerant present in the oil sump during off cydes Refrigerant Circuits Each refrigerant c
57. hipped around the country Factory shake and drop tested as part of the package design process to help assure that the unit will arrive at your job site in top condition Rigging tests include lifting a unit into the air and letting it drop one foot assuring that the lifting lugs and rails hold up under stress We perform a 100 coil leak test at the factory The evaporator and condenser coils are leak tested at 200 psig and pressure tested to 450 psig All parts are inspected at the point of final assembly Sub standard parts are identified and rejected immediately Every unit receives a 100 unit run test before leaving the production line to make sure it lives up to rigorous Trane requirements Ease of Installation Contractors look for lower installation jobsite costs Voyager s conversionless units provide many time and money saving features Conversionless Units The dedicated design units either downflow or horizontal require no panel removal or alteration time to convert in the field a major cost savings during installation Improved Airflow U shaped airflow allows for improved static capabilities The need for high static motor conversion is minimized and time isn t spent changing to high static oversized motors Single Point Power A single electrical connection powers the unit Miao The function of the Micro replaces the need for field installed anti shortcycle timer and time delay relays Th
58. ic unit weight TableW 2 Point Loading Average Weight A B C D E F 1196 1159 673 710 673 710 D E F 1209 1171 680 718 680 718 1238 1199 696 735 696 735 TOP VIEW 1242 1203 699 737 699 737 1265 1226 712 751 712 751 OF UNIT 1269 1230 714 754 714 754 1527 1480 859 907 859 907 1532 1485 862 910 862 910 1598 1549 899 949 899 949 C B A 1602 1553 902 951 902 951 Note 1 Point Loading is identified with corner A being the corner with the compressors As you move clockwise around the unit as viewed from the top mid point B corner C corner D mid point E and corner F TableW 3 ComponentWeights Weights of Optional Components Hi Static Variable Factory Roof Hi Eff 0 25 Inlet Frequency Thru the Non Fused GFI with Curb Unit Barometric Power Supply Fan Manual Guide Drives VFD s Service Base Disconnect Disconnect Weights Model Relief Exhaust Motors 2 Damper Econo Vanes W O Bypass With Bypass Valves Electric Switch Switch Lo Hi D330 110 165 120 50 260 55 85 115 11 6 30 85 310 330 H330 145 200 120 50 285 55 85 115 11 6 30 85 310 330 D360 110 165 120 50 260 55 85 115 11 6 30 85 310 330 H360 145 200 120 50 285 55 85 115 11 6 30 85 310 330 D420 110 165 120 50 260 55 115 150 11 6 30 85 310 330 H420 145 200 120 50 285 55 115 150 11 6 30 85 310 330 D480 110 165 125 50 290 70 115 150 18 6 30 85 365 H480 145 200 125 50 300 70 115 150 18
59. ircuit shall have independent thermostatic expansion devices service pressure ports and refrigerant line filter driers factory installed as standard An area shall be provided for replacement suction line driers Evaporator and Condenser Coils Condenser coils shall have copper tubes mechanically bonded to lanced aluminum plate fins Evaporator coils shall be internally finned copper tubes mechanically bonded to high performance aluminum plate fins All coils shall be leak tested at the factory to ensure pressure integrity All coils shall be leak tested to 200 psig and pressure tested to 450 psig All dual circuit evaporator coils shall be of intermingled configuration Sloped condensate drain pans are standard Outdoor Fans The outdoor fan shall be direct drive statically and dynamically balanced draw through in the vertical discharge position The fan motor s shall be permanently lubricated and have built in thermal overload protection Indoor Fan Units shall have belt driven FC centrifugal fans with fixed motor sheaves All motors shall be circuit breaker protected All indoor fan motors meet the U S Energy Policy Act of 1992 EPACT Electric Heaters Electric heat shall be available for factory installation within basic unit Electric heater elements shall be constructed of heavy duty nickel chromium elements internally delta connected for 240 volt wye connected for 480 and 600 volt Staging
60. ith TRACER or with systems using programmable zone sensors CV only with economizer For gas and electric heat units in the Heat mode but not actively heating if the supply air temperature drops to 10 F below the occupied zone heating temperature setpoint one stage of heat will be brought on to maintain a minimum supply air temperature The heat stage is dropped if the supply air temperature 30 Controls rises to 10 F above the occupied zone heating temperature setpoint Auto Changeover When the System Mode is Auto the mode will change to cooling or heating as necessary to satisfy the zone cooling and heating setpoints The zone cooling and heating setpoints can be as close as 2 F apart Unoccupied Zone Temperature Control Cooling and Heating Both cooling or heating modes can be selected to maintain Unoccupied zone temperature setpoints For Unoccupied periods heating or primary cooling operation can be selectively locked out at the remote panels or TRACER Conventional Thermostat Interface An interface is required to use a conventional thermostat instead of a zone sensor module with the UCPThe Conventional Thermostat Interface CTI is connected between conventional thermostat and the UCP and will allow only two steps of heating or cooling The CTI provides zone temperature control only and is mutually exclusive of the Trane Communications Interface VAV and CV Units Ventilation override VOM V
61. l be available to provide full area protection against debris and vandalism LonTalk Communication Interface Available either field or factory installed for constant volume units When installed on a constant volume unit this LonTalk board will allow the unit to communicate as aTrane Comm 5 device or directly with generic LonTalk Network Building Automation System Controls Stainless Steel Drain Pans Sloped stainless steel evaporator coil drain pans are durable long lasting and highly corrosion resistant Black Epoxy Coated Condenser Coil The coil provides corrosion protection to condenser coils for seacoast application The protection is a factory applied thermoset vinyl coating bonded to normal aluminum fin stock The uniform thickness of the bonded vinyl layer exhibits excellent corrosion protection in salt spray tests performed in accordance with ASTM B117 RFPRCOO7 EN Accessories Roof Curb The roof curb shall be designed to mate with the unit and provide support and a water tight installation when installed properly The roof curb design shall allow field fabricated rectangular supply return ductworkto be connected directly to the curb when used with downflow units Curb design shall comply with NRCA requirements Curb shall ship knocked down for field assembly and include wood nailer strips Trane Communication Interface TCI Shall be provided to interface with the Trane Integrated Comfort System and sha
62. ll be available factory installed The TCI shall allow control and monitoring of the rooftop unit via a two wire communication link Thefollowing alarm and diagnostic information shall be available UCP Originated Data Unitoperating mode Unitfailure status Cooling failure Heating failure Emergency service stop indication Supply fan proving Timed override activation High temperature thermostat status Zone temperature Supply air temperature Cooling status all stages Stage activated or not Stage locked out by UCP HPC status for that stage Compressor disable inputs Heating status Number of stages activated High temperature limit status Economizer status e Enthalpy favorability status Requested minimum position Damper position Dry bulb enthalpy input status RFPRCOO7 EN Mechanical Specifications e TRANE Outside air temperature Outside relative humidity Sensor Failure Humidity sensor OAT sensor SAT sensor RAT sensor Zone temperature sensor Mode input Cooling heating setpoints from sensors Static pressure transducer Unit mounted potentiometer SAT from potentiometer Air reset setpoint from potentiometer Unit Configuration data Gas or electric heat Economizer present High temp input status Local setpoint Local mode setting Inlet GuideVane position Tracer Originated Data Command operating mode Host controllable functions Supply fan Economizer Cooling stages
63. m and load 1200 cfm and 18 23 MBh 152 tons 9 Unit accessories include a Aluminized heat exchanger high heat module 12 Selection Procedure b 2 Hi efficiency throwaway filters c Exhaust fan d Economizer cycle Step 1 A summation of the peak cooling load and the outside air ventilation load shows 2775 tons 152 tons 29 27 required unit capacity From Table 18 2 30 ton unit capacity at 80 DB 67 WB 95 F entering the condenser and 12 000 total peak supply cfm is 30 0 tons Thus a nominal 30 ton unit is selected Step 2 Having selected a nominal 30 ton unit the supply fan and exhaust fan motor bhp must be determined Supply Air Fan Determine unit static pressure at design supply cfm External static pressure 120 inches Heat exchanger 14 inches Table PD 14 High efficiency filter 2 09 inches Table PD 14 Economizer 076 inches Table PD 14 Unit total static pressure 150 inches Using total cfm of 12 000 and total static pressure of 150 inches enterTable PD 12 Table PD 12 shows 7 27 bhp with 652 rpm Step 3 Determine evaporator coil entering air conditions Mixed air dry bulb temperature determination Using the minimum percent of OA 1 200 cfm 12 000 cfm 10 percent determine the mixture dry bulb to the evaporator RADB OA OADB RADB 80 0 10 95 80 80 15 815F Approximate wet bulb mixture temperature RAWB OA OAWB RAWB 66
64. n and Weights Mechanical Speafications 10 12 14 15 18 28 32 41 e TRANE Features and Benefits Standard Features Factory installed and commissioned microelectronic controls Trane 3 D Scroll Compressors Dedicated downflow or horizontal configuration CV or VAV control FROSTAT coil frost protection on all units Supply air overpressurization protection on VAV units Supply airflow proving Emergency stop input Compressor lead lag Occupied Unoccupied switching Timed override activation FC supply fans UL and CSA listing on standard options Two inch standard efficiency filters Finish exceeds salt spray requirements of ASTM B117 Sloped condensate drain pan Optional Features Electric heat Natural gas heat LP gas heat kit only Power Exhaust Barometric Relief High Efficiency 2 Throwaway Filters High Efficiency 4 Throwaway Filters High Efficiency supply fan motors Manual fresh air damper Economizer with dry bulb control Economizer with reference enthalpy control Economizer with differential comparative enthalpy control Inlet guide vanes on VAV units Variable frequency drives on VAV units with or without bypass Service Valves Through the base electrical provision Factory mounted disconnect with external handle non fused Factory powered 15A GFI convenience outlet e Field powered 15A GFI convenience
65. ol module s will attempt to ignite 2 more times before locking out When ignition does occur the hot surface ignitor is deenergized and then functions as a flame sensor The UCP will energize the supply fan contactor 45 seconds after the initiation of the heat cycle If more capacity is needed to satisfy the heating setpoint the UCP will call for the second stage of heat by driving the combustion blower motor to high speed When the space temperature rises above the heating setpoint the UCP deenergizes the K5 relay the heating relays and the ignition control module terminating the heat cycle Electric Heating When heat is required the UCP initiates first stage heating by energizing the first stage electric heat contactor The first stage electric heater bank s will be energized if the appropriate limits are closed The UCP will cycle first stage heat on and off as required to maintain zone temperature If first stage cannot satisfy 29 e TRANE the requirement the UCP will energize the second stage electric heat contactor s if the appropriate limits are closed The UCP will cycle second stage on and off as required while keeping stage one energized The supply fan is energized approximately 1 second before the electric heat contactors When the space temperature rises above the heating setpoint the UCP deenergizes the supply fan and all electric heat contactors Supply Air Tempering This feature is available only w
66. outlet Integrated Comfort System Control Option Ventilation Override Hinged Service Access Factory installed condenser coil guards Black epoxy coated condenser coil Sloped stainless steel evaporator coil drain pans RFPRCOO7 EN Trane 3 D Scroll Compressor Simple Design with 70 Fewer Parts Fewer parts than an equal capacity reciprocating compressor means significant reliability and efficiency benefits The single orbiting scroll eliminates the need for pistons connecting rods wrist pins and valves Fewer parts lead to increased reliability Fewer moving parts less rotating mass and less internal friction means greater efficiency than reciprocating compressors TheTrane 3 D Scroll provides important reliability and efficiency benefits The 3 D Scroll allows the orbiting scrolls to touch in all three dimensions forming a completely enclosed compression chamber which leads to increased efficiency In addition the orbiting scrolls only touch with enough force to create a seal there is no wear between the scroll plates The fixed and orbiting scrolls are made of high strength cast iron which results in less thermal distortion less leakage and higher efficiencies The most outstanding feature of the 3 D Scroll compressor is that slugging will not cause failure In a reciprocating compressor however the liquid or dirt can cause serious damage Low Torque Variation The 3 D Scroll compressor has a very
67. pressure drop table Add the pressure drops from any additional components to the duct external static pressure enter the table and select motor bhp 2 The pressure drop from the supply fan to the space cannot exceed 2 25 3 Maximum air flow for 27 2 ton 12 100 cfm 30 ton 13 200 cfm 35 ton 14 400 cfm 4 Maximum motor horsepower for 272 ton 10 hp 30 ton 10 hp 35 ton 15 hp Figure PD 2 421 800 rpm 0 wocfm 3 6 N 750 rpm x 700 rpm N 650 rpm DNS 600 rpm N 550 rpm N 500 rpm as 450 rpm N 400 rpm 3 4 3 0 N o Io N o N ui ra 2 o o ul ra a o E lt LE o A 2000 RTPRC007 EN 4000 6000 IN BN N N 15 HP M 50 wocfm 10000 12000 CFM 8000 N 14000 16000 60 wocfm ye 70 wocfm 18000 20000 90 wocfm 22000 24000 23 e TRANE Performance Data Table PD 13 Supply Fan Performance 40 and 50Ton Static Pressure in wg 0 25 0 50 0 75 100 125 150 175 2 00 2 25 2 50 SCFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 12000 365 302 408 3 66 448 432 485 499 522 5 70 556 644 588 720 620 796 652 875 682 9 56 13000 388 373 427 440 468 513 501 584 536 657 569 734 601 815 631 896 660 9 80 690 10 66 14000 412 454 448 526 486 603 520 680 551 757 584 8 36 615 921 643 10 06 672 1096 699 1186 15000 436 546 471 6 25 505 704 540
68. re control of the building Timed ovenide Activation ICS When this function is initiated by pushing the override button on the ICS sensor TRACER will switch the unit to the occupied mode Unit operation occupied mode during timed override is terminated by a signal fromTRACER Timed ovenide Activation Non ICS When this function is initiated by the push of an override button on the programmable zone sensor the unit will Switch to the occupied mode Automatic Cancellation of theTimed override Mode occurs after three hours of operation Comparative Enthalpy Control of Economizer The Unitary Economizer Module UEM receives inputs from optional return air humidity and temperature sensors and determines whether or not it is feasible to economize If the outdoor air enthalpy is greater than the return air enthalpy then itis not feasible to economize and the economizer damper will not open past its minimum position Fan Failure Switch The fan failure switch will disable all unit functions and flash the Service LED on the zone sensor Emergency Stop Input A binary input is provided on the UCP for installation of field provided switch or contacts for immediate shutdown of all unit functions The binary input is brought out to Low VoltageTerminal Board One LTB1 31 e TRANE Electrical Service Sizing To correctly size electrical service wiring for your unit find the appropriate calculations listed below E
69. rops of accessory components such as heating systems and filters if used must be added to external unit static pressure for total static pressure determination Figure SP 1 Fan Motor Heat 120 The supply air fan motor selected in the previous cooling capacity determination example was 727 bhp with 652 rpm Thus the supply fan motor selected is 75 hp To select the drive enterTable PD 15 for a 30 ton unit Select the appropriate drive for the applicable rpm range Drive selection letter C with a range of 650 rpm is required for 652 rpm Where altitude is significantly above sea level useTable PD 2 and PD 3 and Figure PD 1 for applicable correction factors Unit Electrical Requirements Selection procedures for electrical requirements for wire sizing amps maximum fuse sizing and dual element fuses are given in the electrical service selection of this catalog Unit Designation After determining specific unit characteristics utilizing the selection procedure and additional job information the complete unit model number can be developed Use the model number nomenclature on page 14 STANDARD MOTOR HIGH EFFICIENCY MOTOR 110 100 90 80 70 60 50 40 FAN MOTOR HEAT MBH 30 20 silire phiiiitivs EERRETETRRTETI 10 0 Toot 10 15 o oa 20 25 30 35 40 MOTOR BRAKE HORSE POWER 13 TRANE Model Num
70. satisfy cooling requirements Supply Air Setpoint Reset Supply air reset can be used to adjust the supply air temperature setpoint on the basis of a zone temperature return air temperature or on outdoor air temperature Supply air reset adjustment is available on the unit mounted VAV Setpoint Panel for supply air cooling control a Reset Based on Outdoor Air Temperature Outdoor air cooling reset is sometimes used in applications where the outdoor temperature has a large effect on building load When the outside air temperature is low and the building cooling load is low the supply air setpoint can be raised thereby preventing subcooling of critical zones This reset can lower usage of primary cooling and result in a reduction in primary cooling energy usage There are two user defined parameters that are adjustable through the VAV Setpoint Panel reset temperature setpoint and reset amount The amount of reset applied is dependent upon how far the outdoor air temperature is below the supply air reset setpoint The amount is zero where they are equal and increases linearly toward the value set at the reset amount input The maximum value is 20 F If the outdoor air temperature is more than 20 F below the RFPRCOO7 EN reset temperature setpoint the amount of reset is equal to the reset amount setpoint b Reset Based On Zone Or Retum Temperature Zone or return reset is applied to the zone s in a building that tend to
71. smitted sound levels to the building The ideal time to make provisions to reduce sound transmissions is during the design phase And the most economical means of avoiding an acoustical problem is to place the rooftop s away from acoustically critical areas If possible rooftops should not be located directly above areas such as offices conference rooms executive office areas and classrooms Instead ideal locations might be over corridors utility rooms toilets or other areas where higher sound levels directly below the unit s are acceptable Several basic guidelines for unit placement should be followed to minimize sound transmission through the building structure 1 Never cantilever the compressor end of the unit A structural cross member must support this end of the unit 2 Locate the unit s center of gravity which is close to or over a column or main support beam 3 If the roof structure is very light roof joists must be replaced by a structural shape in the critical areas described above RFPRCOO7 EN Application Considerations e TRANE 4 If several units are to be placed on one span they should be staggered to reduce deflection over that span Itis impossible to totally quantify the effect of building structure on sound transmission since this depends on the response of the roof and building members to the sound and vibration of theunit components However the guidelines listed abov
72. smooth compression cycle torque variations are only 30 percent of that produced by a reciprocating compressor This means that the scroll compressor imposes very little stress on the motor resulting in greater reliability Low torque variation reduces noise and vibration Suction Gas Cooled Motor Compressor motor efficiency and reliability is further optimized with the latest scroll design Cool suction gas keeps the motor cooler for longer life and better efficiency RFPRCOO7 EN Features and Benefits e TRANE Proven DesignThrough Testing and Research With over twenty years of development and testing Trane 3 D Scroll compressors have undergone more One of two matched scroll plates the distinguishing feature of the scroll compressor than 400 000 hours of laboratory testing and field operation This work combined with over 25 patents makes rane the worldwide leader in air conditioning scroll compressor technology Chart illustrates low torque variation of 3 D Scroll compressor vs reciprocating compressor e TRANE Quality and Reliability Micro Controls The Micro provides unit control for heating cooling and ventilating utilizing input from sensors that measure outdoor and indoor temperature Quality and Reliability are enhanced through the use of time tested micro processor controls and logic The Micro prevents the unit from short cycling considerably improving compressor life
73. static pressure setpoint When subjected to high ambient return conditions the VFD shall reduce its output frequency to maintain operation Bypass control to provide full nominal air flow in the event of drive failure shall be optional Ventilation Ovenide Ventilation Override shall allow a binary input from the fire life safety panel to cause the unit to override standard operation and assume one of two factory preset ventilation sequences exhaust or pressurization The two 42 Mechanical Specifications sequences shall be selectable based open a binary select input OutsideAir Manual Outside Air A manually controllable outside air damper shall be adjustable for up to 25 percent outside air Manual damper is set at desired position at unit start up Economizer Economizer shall be factory installed The assembly includes fully modulating 0 100 percent motor and dampers minimum position setting preset linkage wiring harness and fixed dry bulb control Solid state enthalpy and differential enthalpy control shall be a factory or field installed option ExhaustAir Barometric Relief The barometric relief damper shall be optional with the economizer Option shall provide a pressure operated damper for the purpose of space pressure equalization and be gravity closing to prohibit entrance of outside air during the equipment off cycle Power Exhaust Fan Power exhaust shall be available on all units and shall b
74. stem The hot surface ignitor is a gas ignition device which doubles as a safety device utilizing a continuous test to prove the flame The design is cycle tested at the factory for quality and reliability All the gas electric rooftops exceed all California seasonal efficiency requirements They also perform better than required to meet the California NOx emission requirements RFPRCOO7 EN FC Fans with Inlet GuideVanes Trane s forward curved fans with inlet guide vanes pre rotate the air in the direction of the fan wheel decreasing static pressure and horsepower essentially unloading the fan wheel The unloading characteristics of aTrane FC fan with inlet guide vanes result in superior part load performance RFPRCOO7 EN Features and Benefits e TRANE un awe mr Excellent Part Load Efficiency The Scroll compressor s unique design allows itto be applied in a passive parallel manifolded piping scheme something that a recip just doesn t do very well When the unit begins stage back at part load it still has the full area and circuitry of its evaporator and condenser coils available to transfer heat In simple terms this means superior part load efficiencies IPLV and lower unit operating costs Rigorous Testing All of Voyager s designs were rigorously rain tested at the factory to ensure water integrity Actual shipping tests are performed to determine packaging requirements Units are test s
75. ta were established and approved under laboratory test conditions using American National Standards Institute standards Ratings shown are for elevations up to 4 500 feet 3 Steady State Efficiency is rated in accordance with DOE test procedures 4 Refrigerant charge is an approximate value For a more precise value see unit nameplate and service instructions 5 Maximum KW 9 208V 41 240V 54 6 Filter dimensions listed are nominal For actual filter and rack sizes see the Unit Installation Operation Maintenance Guide RT PRCOO7 EN 15 e TRANE 16 Table GD 2 General Data 35 40Ton General Data 35Ton 40Ton Cooling Performance Nominal Gross Capacity 417000 513 000 Natural Gas Heat Low High Low High Heating Input BTUH 350 000 600 000 400 000 800 000 First Stage 250 000 425 000 300 000 600 000 Heating Output BTUH 283 500 486 000 324 000 648 000 First Stage 202 500 344 500 243 000 486 000 Steady State Efficiency 96 8100 8100 8100 8100 No Burners 1 2 1 2 No Stages 2 2 2 2 Gas Connection Pipe Size in 3h 1 3h 1 Electric Heat KW Range 27 90 41 108 Capacity Steps 2 2 Compressor Number Type 2 Scroll 3 Scroll Size nominal 15 15 15 10 Unit Capacity Steps 96 100 50 100 60 40 Motor RPM 3450 3450 Outdoor Coil Type Lanced Lanced Tube Size in OD 3fs 3s Face Area 5133 69 79 Rows Fins Per Inch 2 16 2 16 Indoor Coil Type Hi Performance Hi Performance Tube Size
76. tch Occupied Unoccupied 1 NSB Panel 2 Electronic time clock or field supplied contact closure 3 TRACER Night Setback Sensors Trane s night setback sensors are programmable with a time clock function that provides communication to the rooftop unitthrough a 2 wire communications link The desired transition times are programmed at the night setback sensor and communicated to the unit RFPRCOO7 EN Controls e TRANE Night setback unoccupied mode is operated through the time clodk provided in the sensors with night setback When the time clock switches to night setback operation the outdoor air dampers close and heating cooling can be enabled or disabled As the building load changes the night setback sensor communicates the need for the rooftop heating cooling if enabled function and the evaporator fan The rooftop unit will cycle through the evening as heating cooling if enabled is required in the space When the time clock switches from night setback to occupied mode all heating cooling functions begin normal operation When using the night setback options with aVAV heating cooling rooftop airflow must be maintained through the rooftop unit This can be accomplished by electrically tying the VAV boxes to the VAV heat relay contacts on the Low voltage terminal board or by using changeover thermostats Either of these methods will assure adequate airflow through the unit and satisfactory temperatu
77. tdoor Coil Type Lanced Lanced Tube Size in OD 3g 3e Face Area sq ft 5133 5133 Rows Fins Per Inch 2 16 2 16 Indoor Coil Type Hi Performance Hi Performance Tube Size in OD ib 12 Face Area sq ft 3167 3167 Rows Fins Per Foot 2 180 2 180 Refrigerant Control TXV TXV No of Circuits 1 1 Drain Connection No Size in 1 125 1 125 Type PVC PVC Outdoor FanType Propeller Propeller No Used Diameter 3 28 00 3 28 00 DriveType No Speeds Direct 1 Direct 1 CFM 24 800 24 800 No Motors HP RPM 3 110 1125 3 110 1125 Indoor FanType FC FC No Used 1 1 Diameter Width in 22 38 22 00 22 38 22 00 DriveType No Speeds Belt 1 Belt 1 No Motors HP 1 750 10 00 1 750 10 00 Motor RPM 1760 1760 Motor Frame Size 213 215T 213 215T Exhaust FanType Propeller Propeller No Used Diameter in 2 26 00 2 26 00 DriveType No Speeds Motors Direct 2 2 Direct 2 2 Motor HP RPM 10 1075 10 1075 Motor Frame Size 48 48 Filters Type Furnished Throwaway Throwaway No Recommended Size in e 16 16x20x2 16 16x 20x2 Refrigerant Charge Lbs of R 22 46 00 46 60 Minimum Outside AirTemperature For Mechanical Cooling OF OF Notes 1 Cooling Performance is rated at 95 F ambient 80 F entering dry bulb 67 F entering wet bulb Gross capacity does not include the effect of fan motor heat Rated and tested in accordance with the Unitary Large Equipment certification program which is based on ARI Standard 340 360 93 2 Heating Performance limit settings and rating da
78. the air density ratio to obtain the corrected static pressure 3 Use the actual cfm and the corrected static pressure to determine the fan rpm and bhp from the rooftop performance tables or curves 4 The fan rpm is correct as selected 5 Bhp must be multiplied by the air density ratio to obtain the actual operating bhp In order to better illustrate this procedure the following example is used Consider a 30 ton rooftop unit that is to deliver 11 000 actual cfm at 150 inches total static pressure tsp 55 F leaving air temperature at an elevation of 5 000 ft 1 From Figure PD 1 the air density ratio is 0 86 2 Tsp L50 inches 0 86 1 74 inches tsp 3 From the performance tables a 30 ton rooftop will deliver 11 000 cfm at 174 inches tsp at 668 rpm and 6 93 bhp 4 The rpm is correct as selected 668 rpm 5 Bhp 6 93 x 0 86 5 96 Compressor MBh SHR and kw should be calculated at standard and then converted to actual using the correction factors inTable PD 2 Apply these factors to the capacities selected at standard cfm so as to correct for the reduced mass flow rate across the condenser RFPRCOO7 EN Heat selections other than gas heat will not be affected by altitude Nominal gas capacity output should be multiplied by the factors given inTable PD 3 before calculating the heating supply air temperature Acoustical Considerations Proper placement of rooftops is critical to reducing tran
79. the event of drive failure 2 Supply Air Temperature Controls Cooling Economizer During occupied cooling mode of operation the economizer if available and primary cooling are used to control the supply air temperature The supply air temperature setpoint is user defined atthe unit mounted VAV Setpoint Panel or atthe remote panel If the enthalpy of the outside air is appropriate to use free cooling the economizer will be used first to attempt to satisfy the supply setpoint On units with economizer a call for cooling will modulate the fresh air dampers open The rate of economizer modulation is based on deviation of the discharge temperature from setpoint i e the further away from setpoint the faster the fresh air damper will open Note that the economizer is only allowed to function freely if ambient conditions are below the enthalpy control setting or below the return air enthalpy if unit has comparative enthalpy installed If outside air is not suitable for economizing the fresh air dampers drive to the minimum open position A field adjustable potentiometer on the Unitary Economizer Module Tracer or a remote potentiometer can provide the inputto establish the minimum damper position At outdoor air conditions above the enthalpy control setting primary cooling only is used and the fresh air dampers remain at minimum position If the unit does not include an economizer primary cooling only is used to
80. uter Programs and more RT PRCOO7 EN 9 e TRANE Exhaust Air Options When is it necessary to provide building exhaust Whenever an outdoor air economizer is used a building generally requires an exhaust system The purpose of the exhaust system is to exhaust the proper amount of air to prevent over or under pressurization of the building A building may have all or part of its exhaust system in the rooftop unit Often a building provides exhaust external to the air conditioning equipment This external exhaust must be considered when selecting the rooftop exhaust system Voyager Commercial rooftop units offer two types of exhaust systems 1 Power exhaust fan 2 Barometric relief dampers Application Recommendations Power Exhaust Fan The exhaust fan option is a dual nonmodulating exhaust fan with approximately half the air moving capabilities of the supply fan system The experience of TheTrane Company is that a non modulating exhaust fan selected for 40 to 50 percent of nominal supply cfm can be applied successfully The power exhaust fan generally should not be selected for more than 40 to 50 percent of design supply airflow Since it is an on off nonmodulating fan it does not vary exhaust cfm with the amount of outside air entering the building Therefore if selected for more than 40 to 50 percent of supply airflow the building may become underpressurized when economizer operation is allowing lesser 1
81. y kit shall provide inputs for economizer control based upon comparison of the outside air stream to a definable enthalpy reference point May also be factory installed Comparative Enthalpy Kit Field installed enthalpy kit shall provide inputs for economizer control based upon comparison of the enthalpies of the return and outdoor air streams Also available factory installed 43 e TRANE Mechanical Specifications LP Conversion Kit Field installed conversion kit shall provide orifice s for simplified conversion to liquefied propane gas No change of gas valve shall be required BAYSENSOO6 Zone Sensor has one temperature setpoint lever heat off or cool system switch fan auto or fan on switch Manual changeover These sensors are for CV units only BAYSENSOO8 Zone Sensor has two temperature setpoint levers heat auto off or cool system switch fan auto or fan on switch Auto changeover These sensors are used with CV units BAYSENSOIO Zone Sensor has two temperature set point levers heat auto off or cool system switch fan auto or fan on switch Status indication LED lights System on Heat Cool and Service are provided These sensors are used with CV units BAYSENSOILS3 Zone temperature sensor with timed override buttons used with Tracer amp Integrated Comfort system BAYSENSO14 Zone temperature sensor with local temperature adjustment control and timed override buttons

Trane RT-PRC007-EN User's Manual

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