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Trane TWE050A manual

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Primeiro, o manual Trane TWE050A deve conte:
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- instruções de utilização, regulação e manutenção do dispositivo Trane TWE050A
- sinais de segurança e certificados que comprovam a conformidade com as normas pertinentes

Por que você não ler manuais?

Normalmente, isso é devido à falta de tempo e à certeza quanto à funcionalidade específica do dispositivo adquirido. Infelizmente, a mesma ligação e o arranque Trane TWE050A não são suficientes. O manual contém uma série de orientações sobre funcionalidades específicas, a segurança, os métodos de manutenção (mesmo sobre produtos que devem ser usados), possíveis defeitos Trane TWE050A e formas de resolver problemas comuns durante o uso. No final, no manual podemos encontrar as coordenadas do serviço Trane na ausência da eficácia das soluções propostas. Atualmente, muito apreciados são manuais na forma de animações interessantes e vídeos de instrução que de uma forma melhor do que o o folheto falam ao usuário. Este tipo de manual é a chance que o usuário percorrer todo o vídeo instrutivo, sem ignorar especificações e descrições técnicas complicadas Trane TWE050A, como para a versão papel.

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Primeiro de tudo, contem a resposta sobre a construção, as possibilidades do dispositivo Trane TWE050A, uso dos acessórios individuais e uma gama de informações para desfrutar plenamente todos os recursos e facilidades.

Após a compra bem sucedida de um equipamento / dispositivo, é bom ter um momento para se familiarizar com cada parte do manual Trane TWE050A. Atualmente, são cuidadosamente preparados e traduzidos para sejam não só compreensíveis para os usuários, mas para cumprir a sua função básica de informação

Índice do manual

  • Página 1

    Split S yst em Heat Pumps Split S ystem Heat Pumps T W A075A -TW A20 0B Air Handlers T W E050A -T WE20 0B 50 H z SSP -PRC002-EN January 2004[...]

  • Página 2

    ©American Standard Inc. 20 0 1 SSP -PRC0 02-EN Intr oduction Split System Heat Pump Units . . . Designed With Y our Needs In Mind. The T rane reputation for quality and reliability in air conditioning continues with the Odyssey™ family of light commercial split systems. T rane paid at tention to your needs to mak e sure you get a system that wil[...]

  • Página 3

    Contents SSP -PRC0 02-EN 2 4 6 7 8 9 12 12 24 31 33 39 52 Intr oduction F eat ur es and Benefits Application Consider ations Selection Pr ocedur e Model Number Description Gener al D ata P erfor mance Data Cool and Heat P erformance F an P erformance Electr ic P o wer Connection and Wir ing Dimension and W eights Mec hanical Specifications 3[...]

  • Página 4

    4 SSP -PRC0 02-EN F eatures and Benef its Condensing Units Options The TW A075A and 1 0 0A single compressor models feature single refrigeration circuitry , lowering job installation costs by requiring only one set of refrigerant lines. These units are ideal for the low cost, new construction jobs as well as renovation and replacement buildings. In[...]

  • Página 5

    5 SSP -PRC0 02-EN F eatures and Benef its Odyssey — A Complete Split Syst em Odyssey deliver s the flexibility to select a complete system that meets your par ticular job requirements. Air handlers are designed, tested, and rated with outdoor units to let you select the proper matc h between capacity and load. Heat pumps can also be matc hed with[...]

  • Página 6

    6 SSP -PRC0 02-EN Application Considerations T ypical Horiz ontal Air Handler Application T ypical V ertical Air Handler Application T ypical Split Syst em Application Lo w Ambient Cooling As manufactured, these units can operate to 50°F (1 0°C) in the cooling mode of operation. An accessory head pressure control will allow operation to 0° F (-1[...]

  • Página 7

    7 SSP -PRC0 02-EN S election P rocedure Cooling Capacity St ep 1 — Calculate the building’ s total and sensible cooling loads at design conditions. St ep 2 — Siz e the equipment using T able PD-1 . Matc h the cooling loads at design conditions. Example: The following are the building cooling requirements a Electrical Characteristics: 380-415/[...]

  • Página 8

    8 SSP -PRC0 02-EN Model Number Description Digit 8 - Electr ical Charact e r istics D = 380-415/3/50 Digits 9, 1 0 - Fact ory - Installed Options 0 0 = No Options 0S = Blac k Epoxy Coated Coil Digit 1 1 - Minor Design Sequence D = Four th Digit 12- Service Digit A= F i r s t Split Syst em Heat Pump Model Nomenclatur e Digit 7 - Major Development Se[...]

  • Página 9

    9 SSP -PRC0 02-EN General Data (Heat P umps) T able GD-1 — Gener al Data — Heat Pumps TWA075A TWA100A Cooling Performance 1 Gross Cooling Capacity, Btu (kW) Matched Air Handler, Btu (kW) 85,000 (24.89) 1 12,0 0 0 (32.79) Heat Pump Only 2 , Btu (kW ) 85,000 (24.89) 1 12,00 0 (32.79) ARI Net Cooling Capacity 3 83,000 (24.30) 1 08,00 0 (31 .62) Sy[...]

  • Página 10

    10 SSP -PRC0 02-EN General Data (Heat P umps) T able GD-2 Gener al D ata — Heat Pumps TWA155B TWA200B Cooling Performance 1 Gross Cooling Capacity, Btu (kW) Matched Air Handler, Btu (kW) 167 ,00 0 (48.9) 218,000 (63.83) Condensing Unit Only 2 , Btu (kW ) 167 ,00 0 (48.9 ) 218,000 (63.83) ARI Net Cooling Capacity 3 162,00 0 (47 .43) 21 1,0 00 (61 [...]

  • Página 11

    11 SSP -PRC0 02-EN T able GD-3 — Gener al Data — Air Handlers TWE050A TWE075A TWE1 0 0A TWE1 0 0B System Data 1 No. Refrigerant Circuits 1 1 1 2 Suction Line, in. (mm) OD 1 . 120 (28.4) 1 .380 (35.0) 1 .380 (35.0) 1 .380 (35.0) Liquid Line, in. (mm) OD 0.38 (9.7) 0.50 (12.7) 0.50 (12.7) 0.50 (12.7) Indoor Coil — T ype Plate Fin Plate Fin Plat[...]

  • Página 12

    12 P erformance Data SSP -PRC0 02-EN (S ystem) T able PD-1 — Gross Cooling Capacities (MBh) TW A075A Heat Pump with TWE075A Air Handler (I-P) Ambient T emperature (°F) 85 95 1 0 5 1 15 Enter. D r y Entering W et Bulb (°F) B u l b 6 16 77 3 6 1 6 77 36 16 77 36 16 7 7 3 C F M (°F) T ot al Sens. T ot al Sens. T ot al Sens. T ota l Sens. T ot al [...]

  • Página 13

    13 P erf ormance Data SSP -PRC0 02-EN (S ystem) T able PD-2 — Gr oss Cooling Capacities (MBh) TW A1 0 0A Heat Pump with TWE1 0 0A Air Handler (I-P) Ambient T emperature (°F) 85 95 1 0 5 1 15 Enter. D r y Entering W et Bulb (°F) B u l b 6 16 77 3 6 1 6 77 36 16 77 36 16 7 7 3 C F M (°F) T ota l Sens. T ota l Sens. T ot al Sens. T ot al Sens. T [...]

  • Página 14

    14 P erformance Data SSP -PRC0 02-EN (S ystem) T able PD-3 — Gross Cooling Capacities (MBh) TW A155B Heat Pump with TWE155B Air Handler (I-P) Ambient T emperature (°F) 85 95 1 0 5 1 15 Enter. D r y Entering W et Bulb (°F) B u l b 6 16 77 3 6 1 6 77 36 16 77 36 16 7 7 3 C F M (°F) T ota l Sens. T ot al Sens. T ot al Sens. T ot al Sens. T o ta l[...]

  • Página 15

    15 P erf ormance Data SSP -PRC0 02-EN T able PD-4 — Gr oss Cooling Capacities (MBh) TW A20 0B Heat Pump with TWE200B Air Handler (I-P) Ambient T emperature (°F) 85 95 1 0 5 1 15 Enter. D r y Entering W et Bulb (°F) B u l b 6 16 77 3 6 1 6 77 36 16 77 36 16 7 7 3 C F M (°F) T ota l Sens. T ota l Sens. T ot al Sens. T ot al Sens. T ota l Sens. T[...]

  • Página 16

    16 P erformance Data SSP -PRC0 02-EN (TW A075A) T able PD-5 — Gr oss Cooling Perf or mance (kW) TW A075A Heat Pump Only (SI) OD T e m p Suction Reference T emperature °C °C -1 .1 1 . 7 4. 4 7 .2 10 12.8 Head pressure (kP A) 1 142 1 180 1220 1262 1305 1350 18.3 Capacity (kW) 21 .2 23.4 25.7 28.1 30.5 33.0 OD Unit P ower (kW) 4.91 5.01 5.13 5.25 [...]

  • Página 17

    17 P erf ormance Data SSP -PRC0 02-EN (TW A1 0 0A) T able PD-6— Gross Cooling P erformance (MBh) TW A1 00A Heat Pump Only (I-P) OD T e mp Suction Reference T emperature °F ° F 30 35 40 45 50 55 Head press PSIG 1 6 4 16 9 1 7 4 17 9 1 8 5 1 9 1 65 Cap. Btuh/1000 9 9.4 109.5 120.0 130.9 142.2 153.9 OD Un it KW 6.39 6.53 6.67 6.83 6.99 7 .16 Head [...]

  • Página 18

    18 P erformance Data SSP -PRC0 02-EN (TW A1 55B) T able PD-7 — Gross Cooling P erfor mance (MBh) TW A155B Heat Pump Only (I-P) OD T e m p Suction Reference T emperature °F ° F 30 35 40 45 50 55 Head press PSIG 1 6 5 17 0 1 7 6 18 2 1 8 8 1 9 4 65 Cap. Btuh/1000 142.4 157 .4 173.0 189.2 205.9 222.8 OD U nit KW 9.59 9.80 10.02 10.26 10.52 10.78 H[...]

  • Página 19

    19 P erf ormance Data SSP -PRC0 02-EN (TW A20 0B) T able PD-8 — Gross Cooling P erformance (MBh) TW A20 0B Heat Pump Only (I-P) OD T e mp Suction Reference T emperature °F ° F 3 03 54 04 55 05 5 Head press PSIG 1 7 3 17 9 1 8 5 1 91 1 9 8 20 5 65 Cap. Btuh/1000 1 96.4 215.5 235.3 255.8 276.9 298.5 OD U nit KW 12.94 13.25 13.58 13.93 14.30 14.69[...]

  • Página 20

    20 P erformance Data SSP -PRC0 02-EN (S ystem) Correction Factors - Other Airflows (Table Value x Correction Factor = Value at new airflow) Airf low 2250 cfm 2750 cfm 3822 m 3 /h 4672 m 3 /h Heating Capacity x 0. 99 x 1.0 1 Co m pr e ss o r k W x 1.02 x 0.98 Values at ARI Rating Conditions of: 70F (21.1C) and 47/43F (8.3/6.1C)(High Temp.Cond.) 70F [...]

  • Página 21

    21 P erf ormance Data SSP -PRC0 02-EN (S ystem) T able PD-1 0 — Gross Heating Capacities (kW) TW A100A Heat Pump with TWE1 0 0A Air Handler At 5649 m 3 /h (SI) Outdoor H e a t i n g C a p a c i t y ( k W ) A t T o t a l Po w e r i n K i l o wa tt s A t T empe ratu re Indicated Indoor Dry Bulb T emperature Indicated Indoor Dry Bulb T emperature (?[...]

  • Página 22

    22 P erformance Data SSP -PRC0 02-EN (S ystem) T able PD-1 1 — Gross Heating Capacities (MBh) TW A155B Heat Pump with TWE155B Air Handler At 50 0 0 CFM (I-P) Outdoor H e a t i n g Capacity (BTUH/1000) At T o tal Power in Kil owatts At T emper atur e Indicated Indoor Dry Bulb T emperature Indicated Indoor Dry Bulb T emperature ( ° F ) 6 07 07 58 [...]

  • Página 23

    23 P erf ormance Data SSP -PRC0 02-EN (S ystem) T able PD-12 — Gr oss Heating Capacities (MBh) TW A20 0B Heat Pump with TWE200B Air Handler At 6675 CFM (I-P) Outdoor H e a t i n g Capacity (BTUH/1000) At T otal Power in Kil owatts At T empe ratu re Indicated Indoor Dry Bulb T emperature Indicated Indoor Dry Bulb T emperature ( ° F ) 6 07 07 58 0[...]

  • Página 24

    24 P erformance Data SSP -PRC0 02-EN (Air Handler) T able PD-13— Ev aporator F an P erformance — TWE050A (SI) External Static Pressure (Pascal) 25 50 7 5 100 125 150 174 199 224 249 274 m 3 /h r RPM k W RPM k W RPM k W RPM k W RPM k W RPM k W RPM k W RPM k W RPM k W RPM k W RPM k W 2379 ———— 6 4 6 0 . 2 8 6 9 8 0 . 3 1 7 5 1 0 . 3 5 8 0[...]

  • Página 25

    25 P erf ormance Data SSP -PRC0 02-EN (Air Handler) T able PD-16 — Blow er Speeds — TWE075A Motor Drive T urns Open D r i v e 6543210 St an da rd N/A 600 650 700 750 800 850 L o w S t a t i c N/A 428 464 499 535 571 606 H i g h S t a t i c N/A 700 750 800 850 900 950 T able PD-15 — Ev aporat or F an P erf ormance TWE075A (I-P) External Static[...]

  • Página 26

    26 P erformance Data SSP -PRC0 02-EN (Air Handler) T able PD - 18 — Blo wer Speeds — TWE1 0 0A, TWE1 0 0B Motor Sheave T urns Open D r i v e 6543210 S t a n d ar d N /A 587 629 671 713 755 796 L ow S t a ti c N / A 453 485 518 550 583 615 H i g h S t a t i c N/A 606 641 677 713 748 784 H i g h S t a t i c I I N/ A 745 789 833 877 920 965 T able[...]

  • Página 27

    27 P erf ormance Data SSP -PRC0 02-EN (Air Handler) T able PD-20— Blow er Speeds — TWE155B Motor Sheave T urns Open D r i v e 6543210 St an da rd 61 9 648 677 705 734 763 N/A H i g h S t a t i c 777 806 835 863 892 921 950 T able PD-1 9 — Ev aporat or F an P erf ormance TWE155B (SI) External Static Pressure (Pascal) 25 50 7 5 100 125 150 174 [...]

  • Página 28

    28 P erformance Data SSP -PRC0 02-EN (Air Handler) T able PD-22 — Blow er Speeds — TWE20 0B Motor Sheave T urns Open D r i v e 6543210 St an da rd 706 732 758 784 81 1 837 8 63 L o w S t a t i c I 457 478 500 521 542 563 58 5 L o w S t a t i c I I 574 595 617 638 659 680 7 02 Hig h S ta ti c N/A 82 1 86 2 903 94 5 98 6 1027 T able PD-21— Cont[...]

  • Página 29

    29 P erf ormance Data SSP -PRC0 02-EN T able PD-23— Dischar ge Plenum And Grille Assembly Thr ow Distance — Air Handler — ft (m) Unit Louver Angle Deflection Position Model No. C F M m 3 /h Straight 20 40 55 1400 2378 3 8 (1 1 . 6 ) 2 4 (7 . 3 ) 22 ( 6 . 7 ) 18 ( 5 . 5 ) 1600 2718 4 2 (1 2 . 8 ) 3 1 ( 9 . 4 ) 26 (7 . 9 ) 20 ( 6 . 1 ) TWE050 1[...]

  • Página 30

    30 P erformance Data SSP -PRC0 02-EN T able PD-25 — Au xiliary Electr ic Heat Capacity — Air Handler No . Stage 1 Stage 2 T otal U n it T ot a l o f kW B t u kW kW B t u kW B t u kW Model No. k W St ages I nput Output Output Input Output Output Output Output TWE050, 075,100 3. 47 1 3. 47 1 1 ,8 5 1 3 .4 7 — — — 1 1,85 1 3 .4 7 6.92 1 9.92[...]

  • Página 31

    31 SSP -PRC0 02-EN Electrical Data T able ED-1— Electr ical Charact eristics — Mot ors — Air Handler Standard Fan Motor Oversized F an Motor Unit Amps Amps Model No. V olts Phase FLA LRA Phase FLA LRA TWE050 380/41 5 3 1 .4 8.2 3 1 .8 21 .6 TWE075 380/41 5 3 3.2 1 9.7 3 4.0 25.5 TWE1 00 380/415 3 3.6 25.5 3 5.3 37 . 5 TWE155 380/41 5 3 4.6 37[...]

  • Página 32

    32 SSP -PRC0 02-EN Electrical Data T able ED-5— Unit Wiring With Electr ic Heat (Single Point Connection) — Air Handlers Heater Heater T o Use Control Minimum Maximum Model No. kW Rating 1 with Unit Stages Circuit Ampacity 2 Fuse Breaker Size 2 BA YHTRL405A 3.47 1 9 1 5 BA YHTRL41 0A 6.92 TWE050AD 1 17 20 BA YHTRL415A 1 0.39 1 24 25 BA YHTRL425[...]

  • Página 33

    33 SSP -PRC0 02-EN Jobsite Connections Wiring shown with dashed lines is to be furnished and installed by the customer . All customer - supplied wiring must be copper only and must conform to NEC and local electrical codes. Codes may require line of sight between disconnect switc h and unit. NO TE: 1 . When electric heater accessory is used single [...]

  • Página 34

    34 SSP -PRC0 02-EN T ypical Wiring (Heat P ump) Heat Pump — Single Compressor T ypical unit wiring diagram. For specific wiring, see indi vidual Service Facts.[...]

  • Página 35

    35 SSP -PRC0 02-EN T ypical Wiring (Heat Pump)[...]

  • Página 36

    36 SSP -PRC0 02-EN Heat Pump — Dual Compressors T ypical unit wiring diagram. For specific wiring, see indi vidual Service Facts. (Heat Pump) T ypical Wiring[...]

  • Página 37

    37 SSP -PRC0 02-EN T ypical Wiring (Heat Pump)[...]

  • Página 38

    38 SSP -PRC0 02-EN T ypical Wiring (Air Handler) Air Handler T ypical unit wiring diagram. For specific wiring, see indi vidual Service Facts.[...]

  • Página 39

    39 SSP -PRC0 02-EN (Heat Pump) Dimensional Data Figure DD-1 — TW A075 Heat Pump All dimensions are in inc hes and millimeter s. Note 1 MINIMUM CLEARANCE FOR PROPER OPERA TION IS 36 INCHES (914 MM) FROM WALLS, SHRUBBERY , PRIV ACY FENCES, ETC. MINIMUM CLEARANCE BETWEEN ADJACEN T UNITS IS 72 INCHES (1828 MM)[...]

  • Página 40

    40 SSP -PRC0 02-EN Dimensional Data (Heat Pump) Figure DD-2 — 1 0 T on TW A1 00A Heat Pump All dimensions are in inc hes and millimeter s. Note 1 MINIMUM CLEARANCE FOR PROPER OPERA TION IS 36 INCHES (914 MM) FROM WALLS, SHRUBBERY , PRIVA CY FENCES, ETC. MINIMUM CLEARANCE BETWEEN AD JACENT UNITS IS 72 INCHES (1828 MM)[...]

  • Página 41

    41 SSP -PRC0 02-EN Dimensional Data (Heat Pump) Figure DD-3 — TW A155B Heat Pump All dimensions are in inc hes and millimeter s. Note 1 MINIMUM CLEARANCE FOR PROPER OPERA TION IS 36 INCHES (914 MM) FROM WALLS, SHRUBBERY , PRIVA CY FENCES, ETC. MINIMUM CLEARANCE BETWEEN AD JACENT UNITS IS 72 INCHES (1828 MM)[...]

  • Página 42

    42 SSP -PRC0 02-EN (Heat Pump) Dimensional Data Figure DD-4 — TW A200B Heat Pump All dimensions are in inc hes and millimeter s. Note 1 MINIMUM CLEARANCE FOR PROPER OPERA TION IS 36 INCHES (914 MM) FROM WALLS, SHRUBBERY , PRIVA CY FENCES, ETC. MINIMUM CLEARANCE BETWEEN AD JACENT UNITS IS 72 INCHES (1828 MM)[...]

  • Página 43

    43 SSP -PRC0 02-EN (Air Handler) Dimensional Data Figure DD-5 — TWE050A Air Handlers All dimensions are in inc hes and millimeter s. Notes: 1. Length, Width, and Height Dimensions do not include 1/2” (12.7mm) access panel depth. 2. Removable drain pan and attached drain connection may be installed on either end of unit in either the vertical or[...]

  • Página 44

    44 SSP -PRC0 02-EN (Air Handler) Dimensional Data Figure DD-6 — TWE075A Air Handler All dimensions are in inc hes and millimeter s. Notes: 1. Length, Width, and Height Dimensions do not include 1/2” (12.7mm) access panel depth. 2. Removable drain pan and attached drain connection may be installed on either end of unit in either the vertical or [...]

  • Página 45

    45 SSP -PRC0 02-EN Notes: 1. Length, Width, and Height Dimensions do not include 1/2” (12.7mm) access panel depth. 2. Removable drain pan and attached drain connection may be installed on either end of unit in either the vertical or horizontal configuration. Plastic drain pan access plate on the end of unit opposite drain connection must be remov[...]

  • Página 46

    46 SSP -PRC0 02-EN Dimensional Data (Air Handler) Notes: 1. Length, Width, and Height Dimensions do not include 1/2” (12.7mm) access panel depth. 2. Removable drain pan and attached drain connection may be installed on either end of unit in either the vertical or horizontal configuration. Plastic drain pan access plate on the end of unit opposite[...]

  • Página 47

    47 SSP -PRC0 02-EN Dimensional Data (Air Handler s) T able DD-1 — Air Handler Dimensions — in. (mm) Model No. AA AB A C AD AE AF AJ AK AL TWE050A 35 5 / 8 12 1 / 16 1 5 / 8 32 1 / 4 2 15 / 16 32 1 / 4 7 13 / 16 12 3 / 8 34 9 / 16 (905) (306.4) ( 41 .3) (81 9.2) (74.6) (81 9.2) (198.4) (314.3) (878) TWE075A 45 1 / 8 16 1 11 / 16 41 15 / 16 6 5 /[...]

  • Página 48

    48 SSP -PRC0 02-EN Dimensional Data Figure DD-1 0— TWE155B Air Handler All dimensions are in inc hes and millimeter s. (Air Handler) Notes: 1. Length, Width, and Height Dimensions do not include 1/2” (12.7mm) access panel depth. 2. Removable drain pan and attached drain connection may be installed on either end of unit in either the vertical or[...]

  • Página 49

    49 SSP -PRC0 02-EN Dimensional Data (Air Handler s) Figure DD-1 1 — TWE200B Air Handler All dimensions are in inc hes and millimeter s. Notes: 1. Length, Width, and Height Dimensions do not include 1/2” (12.7mm) access panel depth. 2. Removable drain pan and attached drain connection may be installed on either end of unit in either the vertical[...]

  • Página 50

    50 SSP -PRC0 02-EN Figure DD-12— TWE155B and 200B Air Handlers All dimensions are in inc hes and millimeter s. T able DD-2 — Air Handler Dimensions — in. (mm) Model No. A B C D E F G H J TWE155B 77 1 / 4 (1 962.2) 1 3 / 16 (30.2) 48 (121 9.2) 1 1 7 / 16 (290.5) 18 (457 .2) 3 3 / 8 (85.7) 35 1 / 16 (890.6) 73 7 / 8 (187 6.4) 3 3 / 4 (95.3) TWE[...]

  • Página 51

    51 SSP -PRC0 02-EN Dimensional Data ( A ccessories) Figure DD-13— Electr ic Heat er for TWE050, 075, 1 00 Air Handlers All dimensions are in inc hes and millimeter s. Figure DD-14 — Electr ic Heater for TWE155 and 20 0 Air Handlers[...]

  • Página 52

    52 SSP -PRC0 02-EN Mec hanical Specif ications Heat Pumps General Unit shall be assembled on heavy gauge steel mounting/lifting rails and shall be weather proofed. Unit shall include a hermetic scroll or reciprocating compressor(s), plate fin condenser coil, fans and motors, controls, and holding c harge of nitrogen. Operating Range shall be betwee[...]

  • Página 53

    53 SSP -PRC0 02-EN Air Handlers General Air handler units shall be completely factory assembled including coil, condensate drain pan, fan motor(s), filters, and controls in an insulated casing that can be applied in either ver tical or horizontal configuration. Unit shall be rated and tested in accordance with ARI standard 340/360. Unit shall be UL[...]

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    T rane An American Standard Compan y www .trane.com For more information contact your local office or e-mail us at comfort@trane.com Since T rane has a policy of continuous product and product data improvement, it reserves the right to c hange design and specifications without notice. Literature Order Number File Number Supersedes Stoc king Locatio[...]