Trane Direct Fired Make-Up Air Detailliste

November 2009MUA-PRC007-ENDirect-Fired Make-Up Air UnitsDFIADFOAProduct Catalog

10 MUA-PRC007-ENUnit ConfigurationHorizontal ConfigurationsFor all arrangements shown, controls, gas piping and fan motor are on the near side. Selec

MUA-PRC007-EN 11Unit ConfigurationVertical Configurations (DFIA only)For all arrangements shown, the gas piping is on the near side. The electric cont

12 MUA-PRC007-ENDFIAModel Number DescriptionsDigit 1, 2, 3 — Unit DescriptionDFI = Direct fired indoor unitDigit 4 — Development SequenceA = First

MUA-PRC007-EN 13DFIADigit 34, 35 —Clogged Filter IndicatorAN = Clogged Filter IndicatorDigit 36, 37— Exhaust InterlockAP = Exhaust InterlockDigit 38,

14 MUA-PRC007-ENDFIAFeatures and BenefitsFeature: Basic unit is factory assembled and wired.Benefit: Reduces field installation cost.Feature: Fact

MUA-PRC007-EN 15DFIAReliable Operation The standard unit includes all of the controls needed for trouble-free operation. If the designer does not util

16 MUA-PRC007-ENDFIAPerformance DataTable 1. Direct-Fired Indoor Air (DFIA) unit—General dataUnit Size 109 112 115 118 120 122 125 130 215 218 220 22

MUA-PRC007-EN 17DFIA122 1–2211000 2157 5 5 7 -1/2 7-1/2 7-1/2 7-1/2 10 —12000 2353 7-1/2 7-1/2 7-1/2 7-1/2 7-1/2 10 10 1513000 2549 7-1/2 7-1/2 7-1/2

18 MUA-PRC007-ENDFIA222 2-2225000 2451 15 15 15 15 20 20 20 2526000 2549 15 15 15 20 20 20 20 2527000 2647 15 15 15 20 20 20 25 2528000 2745 15 20 20

MUA-PRC007-EN 19DFIA1154500 399 447 493 537 580 621 6615000 444 497 548 597 644 690 7345500 488 546 603 657 709 759 8076000 532 596 658 717 773 828 88

© 2009 Trane All rights reserved MUA-PRC007-ENIntroductionWhy use Trane Makeup Air Units…Trane’s innovative Direct Fired gas heating systems add warm

20 MUA-PRC007-ENDFIA22018000 1597 1788 1973 2105 2320 2484 264219000 1686 1888 2082 2269 2449 2622 278920000 1774 1987 2192 2388 2578 2760 293621000

MUA-PRC007-EN 21DFIADimensionsFigure 6. Horizontal arrangement single blowerUnit Components1. Inlet d amper2. R/A section (before Burner)3. V-bank4. B

22 MUA-PRC007-ENDFIAFigure 7. Horizontal arrangement twin blowersUnit Components1. Inlet damper2. R/A section (before Burner)3. V-bank4. Burner secti

MUA-PRC007-EN 23DFIAFigure 8. Single blower vertical unitsUnit Components1. Inlet damper2. R/A section (before burner)3. V-bank4. Burner section5. R/A

24 MUA-PRC007-ENDFIAFigure 9. Twin blower models vertical unitsUnit Components1. Inlet damper2. R/A section (before burner)3. V-bank4. Burner section

MUA-PRC007-EN 25DFIAFigure 10. DFIA Accessories dimensional dataTable 8. DFIA Accesories dimensional dataModel A B C D E109–112 2 ft 5 in 3 ft 9 in 1

26 MUA-PRC007-ENDFIAWeights Figure 11. DFIA approximate weightsRETURN AIRTable 9. DFIA Approximate weightsUnit SizeBlower SectionVertical Support Sta

MUA-PRC007-EN 27DFOAModel Number DescriptionsDigit 1, 2, 3 — Unit TypeDFO= Direct-Fired Outdoor UnitDigit 4 — Development SequenceA = First Generation

28 MUA-PRC007-ENDFOADigit 28 — Painted Basic Unit and AccessoriesM = Painted Basic Unit and AccessoriesDigit 29 — UV Flame SensorN = UV Flame SensorD

MUA-PRC007-EN 29DFOAFeatures and Benefits

MUA-PRC007-EN 3IntroductionInstallation is simple since the unit, (when shipping permits), is shipped as a complete package. The burner is fully modul

30 MUA-PRC007-ENDFOABasic UnitFeature: Casing with galvanized finish.Benefit: Rust problem is greatly reduced.Feature: Watertight construction.Benef

MUA-PRC007-EN 31DFOAPerformance DataTable 10. Direct-Fired Outdoor Air (DFOA) unit—General dataUnit Size 109 112 115 118 215 218 220 222 225 230Airflo

32 MUA-PRC007-ENDFOA118 1–186500 2215 3 5 5 5 5 5 5 7-1/27000 2390 5 5 5 5 5 5 7-1/2 7-1/27500 2565 5 5 5 5 5 7-1/2 7-1/2 7-1/28000 2740 5 5 5 7-1/2

MUA-PRC007-EN 33DFOA 225 2–2530000 2235 15 15 15 15 20 20 — —32000 2385 15 15 15 20 20 20 25 —34000 2535 15 20 20 20 20 25 25 3036000 2685 20 20 20 20

34 MUA-PRC007-ENDFOA1186500 577 646 712 776 838 897 9547000 621 697 767 836 902 966 10277500 665 745 822 896 967 1035 11018000 710 795 877 955 1031 1

MUA-PRC007-EN 35DFOA23044000 3903 4372 4822 5255 5671 6072 645848000 4258 4769 5260 5732 6187 6624 704652000 4273 4883 5494 6104 6715 7325 880756000 4

36 MUA-PRC007-ENDFOADimensionsFigure 12. Single blower sizes 109–130Unit Components1. Centrifugal supply fan2. Fan motor3. Line burner4. Control cabi

MUA-PRC007-EN 37DFOAFigure 13. Twin blower sizes 215–230Unit Components1. Centrifugal supply fan2. Fan motor3. Line burner4. Control cabinet5. Hinged

38 MUA-PRC007-ENDFOAFigure 14. Twin blower sizes 233 and 240.Unit Components1. Centrifugal supply fan2. Fan motor3. Line burner4. Control cabinet5. H

MUA-PRC007-EN 39DFOAFigure 15. Vertical models sizes 109–130Unit Components1. Centrifugal supply fan2. Fan motor3. Line burner4. Control cabinet5. Hin

4 MUA-PRC007-ENTable of ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40 MUA-PRC007-ENDFOAFigure 16. Vertical models sizes 109–130 with mixing boxUnit Components1. Centrifugal supply fan2. Fan motor3. Line burner4. Cont

MUA-PRC007-EN 41DFOAFigure 17. Vertical models sizes 215–230Unit Components1. Centrifugal supply fan2. Fan motor3. Line burner4. Control cabinet5. Hin

42 MUA-PRC007-ENDFOAFigure 18. Vertical models sizes 215–230 with mixing boxUnit Components1. Centrifugal supply fan2. Fan motor3. Line burner4. Cont

MUA-PRC007-EN 43DFOA Figure 19. Vertical models sizes 233 and 240Unit Components1. Centrifugal supply fan2. Fan motor3. Line burner4. Control cabinet5

44 MUA-PRC007-ENDFOAFigure 20. Vertical models 233 and 240 with mixing boxUnit Components1. Centrifugal supply fan2. Fan motor3. Line burner4. Contro

MUA-PRC007-EN 45DFOA Figure 21. DFOA Accessories dimensional dataTable 22. DFOA Accessories dimensional dataModel A B C D E F G H J K L M109–112 3’

46 MUA-PRC007-ENDFOARoof curbs for 100% make-up air unitsFigure 22. Single blower roof curb dimensionsTable 23. Dimensions for single blower roof cur

MUA-PRC007-EN 47DFOARoof curbs for 100% make-up air unitsFigure 23. Double blower roof curb dimensionsTable 24. Double blower roof curb dimensions for

48 MUA-PRC007-ENDFOARoof curbs for units with return air opening downsteam of burnerFigure 24. Roof curb dimensions for single blower models sizes 10

MUA-PRC007-EN 49DFOARoof curbs for units with return air opening downstream of burnerFigure 25. Roof curb dimensions for double blower models sizes 21

MUA-PRC007-EN 5UV Flame Sensor (UV Mini-Peeper) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65Optional Gas Controls . . . .

50 MUA-PRC007-ENDFOARoof curbs for units with mixing boxFigure 26. Roof curb dimensions for single blower units with mixing boxTable 27. Roof curb di

MUA-PRC007-EN 51DFOARoof curbs for units with mixing boxesFigure 27. Roof curb dimensions for double blower units with mixing boxTable 28. Roof curb d

52 MUA-PRC007-ENDFOAApproximate weights Table 29. Unit weights in pounds (approximate)Unit SizeBasic Horizontal UnitBasic Vertical UnitInlet HoodIn

MUA-PRC007-EN 53DFOAInlet Hood Support (By Others) • The purpose of hood support is to support the weight of the unit accessories which are attached t

54 MUA-PRC007-ENGas PipingFigure 29. Gas pipingTable 31. Gas piping component identificationGP-01 High Gas Pressure Regulator VG-03 Auxiliary Gas Val

MUA-PRC007-EN 55Gas PipingExamples of how to read the above:• GP < 7 in. wc: Gas pressure less than 7 in. wc• 7 in. wc < GP < 10 in. wc: Gas

56 MUA-PRC007-ENGas PipingTable 33. Gas piping connection size, standard gas trainMBhInlet gas pressure (inches of water column)7 8–11 12–14 15–20 21

MUA-PRC007-EN 57Gas PipingTable 34. Gas pipe connection size, FM gas trainMBhInlet gas pressure (inches of water column)7 8–11 12–14 15–20 21–27 1 psi

58 MUA-PRC007-ENGas PipingTable 35. Gas pipe connection size, IRI gas trainMBhInlet gas pressure (inches of water column)7 8–11 12–14 15–20 21–27 1 p

MUA-PRC007-EN 59Electrical Power Table 36. Motor electrical datahpSingle Phase Three Phase115 208 230 208 230 4601/3 7.2 4 3.6 1.4 1.6 0.71/2 9.8 5.4

6 MUA-PRC007-ENApplication ConsiderationsThe Need for Make-Up Air Units When more air is exhausted from a building than is supplied by the mechanical

60 MUA-PRC007-ENOptionsMotorized 75/25 DamperPurposeTo provide a way for recirculating return air and letting building pressure control the amount of

MUA-PRC007-EN 61OptionsMixing Box—Temperature ControlPurposeTo provide a way for recirculating return air and letting mixed air temperature determine

62 MUA-PRC007-ENOptions•Dampers• Modulating damper motor(s)• Manual potentiometerRemote control station not included. Purpose To provide a way for re

MUA-PRC007-EN 63OptionsMixing Box—Building Pressure ControlPurpose To provide a way for recirculating return air and letting building pressure control

64 MUA-PRC007-ENOptionsOption Includes: •Damper • Two position damper motor(s) with built-in end switch and spring return •LinkageExhaust InterlockTh

MUA-PRC007-EN 65OptionsExample: If we want the burner to be “off” if the entering air temperature is 65 degrees, the inlet on-off duct stat would be

66 MUA-PRC007-ENOptionsEnergy Efficient ODP 60 Hz/1800 Rp Three-Phase Only Optional 208V motors are available in 1 hp to 30 hp models. 230V and 460V

MUA-PRC007-EN 67OptionsMixing Box—Temperature Control This option provides a way for recirculating return air and allows mixed air temperature to dete

68 MUA-PRC007-ENOptionsClogged Filter SwitchThis option includes a pressure sensing switch which senses the pressure drop across the filters. When t

MUA-PRC007-EN 69OptionsRemote Control Station On-Off Night Setback ThermostatThis option will shut unit off when space temperature is above setpoint.

MUA-PRC007-EN 7Application Considerations• Drafts and cross-currents will increase in a negative condition, causing an uncomfortable or unhealthy work

70 MUA-PRC007-ENMechanical SpecificationsDFIA Unit Casing DFIA cabinets are designated for indoor use. Unit casing and accessories shall be fabricate

MUA-PRC007-EN 71Mechanical SpecificationsFM for ETL Listed UnitsFor installations with ETL labeled units requiring Factory Mutual (FM) insurance. The

72 MUA-PRC007-ENMechanical SpecificationsThe display functions of the BACview keypad display with a minimum of four lines, sixteen characters will in

www.trane.comFor more information, contact your local Trane office or e-mail us at [email protected] Order Number MUA-PRC007-ENDate November

8 MUA-PRC007-ENSelection ProcedureCalculating Total External Static Pressure to Determine Fan Motor Horsepower. To determine the fan motor horsepowe

MUA-PRC007-EN 9Selection ProcedureBurner Selection ProcedureFor DFIA selections, use Tab l e 3 , p . 18, and select next size larger available burner