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Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace XL 80 TUD2A040A9242A TUD2A060A9362A TUD2B060A9362A TUD2B080A9362A TUD2B080A9482A TUD2B100A9362A TUD2C100A9482A TUD2C100A9602A TUD2D100A9602A TUD2C120A9542A TUD2D120A9602A TUD2D140A9602A TDD2A040A9242A TDD2A060A9362A TDD2B060A9362A TDD2B080A9362A TDD2B100A9482A TDD2C100A9482A TDD2C100A9602A TDD2D120A9602A TDD2D140A9602A Two-Stage Fan Assisted Combustion System PUB. NO. 22-1639-13
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Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

Feb 03, 2022

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Page 1: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

Upflow/ Downflow Horizontal Right or LeftGas-Fired Furnace

XL 80TUD2A040A9242A TUD2A060A9362ATUD2B060A9362A TUD2B080A9362ATUD2B080A9482A TUD2B100A9362ATUD2C100A9482A TUD2C100A9602ATUD2D100A9602A TUD2C120A9542ATUD2D120A9602A TUD2D140A9602ATDD2A040A9242A TDD2A060A9362ATDD2B060A9362A TDD2B080A9362ATDD2B100A9482A TDD2C100A9482ATDD2C100A9602A TDD2D120A9602ATDD2D140A9602ATwo-Stage Fan Assisted Combustion System

PUB. NO. 22-1639-13

Page 2: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

© 2012 Trane All Rights Reserved 2 22-1639-13

General Features

Natural Gas ModelsCentral heating furnace designs are certified by the American Gas Association for both natural and L.P. gas. Limit setting and rating data were established and approved under standard rating conditions using American National Standards Institute standards.

Safe OperationThe Integrated System Control has solid state devices, which continuously monitor for presence of flame, when the system is in the heating mode of operation. Dual solenoid combination gas valve and regulator provide extra safety.

Quick HeatingDurable, cycle tested, heavy gauge aluminized steel heat exchanger quickly transfers heat to provide warm conditioned air to the structure.

Burners Multi-port In-shot burners will give years of quiet and efficient service. All models can be converted to L.P. gas.

Integrated System ControlExclusively designed operational program provides total control of furnace limit sensors, blowers, gas valve, flame control and includes self-diagnostics for ease of service. Also contains connection points for E.A.C./humidifier.

Air DeliveryThe multispeed, direct drive blower motor, with sufficient airflow range for most heating and cooling requirements, will switch from heating to cooling speeds on demand from room thermostat. The blower door safety switch will prevent or terminate furnace operation when the blower door is removed.

StylingHeavy gauge steel and “wrap-around” cabinet construction is used in the cabinet with baked-on enamel finish for strength and beauty. The heat exchanger section of the cabinet is completely lined with foil faced fiberglass insulation. This results in quiet and efficient operation due to the excellent acoustical and insulating qualities of fiberglass.

Features And General OperationThe XL 80 High Efficiency Gas Furnaces employ a Hot Surface Ignition system, which eliminates the waste of a constant burning pilot. The integrated system control lights the main burners upon a demand for heat from the room thermostat. Complete front service access. a. Low energy power venter. b. Vent proving differential switch.

Page 3: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

22-1639-13 3

Contents

General Features ......................................... 2Features and Benefits ................................. 4

Standard Equipment ..................................................... 4Optional Equipment ....................................................... 5

General Data ................................................ 6TUD2A040A9242A ........................................................ 6TUD2A060A9362A ........................................................ 6TUD2B080A9362A ........................................................ 6TUD2B060A9362A ........................................................ 6TUD2B080A9482A ........................................................ 7TUD2B100A9362A ........................................................ 7TUD2C100A9482A ........................................................ 7TUD2C100A9602A ........................................................ 7TUD2C120A9542A ........................................................ 8TUD2D120A9602A ........................................................ 8TUD2D140A9602A ........................................................ 8TUD2D100A9602A ........................................................ 8TDD2A040A9242A ........................................................ 9TDD2A060A9362A ........................................................ 9TDD2B060A9362A ........................................................ 9TDD2B080A9362A ...................................................... 10TDD2B100A9482A ...................................................... 10TDD2C100A9482A ...................................................... 10TDD2C100A9602A ...................................................... 11TDD2D120A9602A ...................................................... 11TDD2D140A9602A ...................................................... 11

Performance Data ...................................... 12Electrical Data ............................................ 15Field Wiring ................................................ 19Twinning .................................................... 21Field Wiring ................................................ 21Dimensions ................................................ 23

Page 4: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

4 22-1639-13

Features and Benefits

• Convertible to horizontal with left or right airflow

•Powersupply115/1/60

•2-stagegasvalve

•2-speedventer

•2heatingblowerspeeds

•Silicon Nitride Hot surface igniterwith adaptive heat up

• Integrated solid state control withself-diagnostics

•Singlewiretwinning

•Innerblowerdoorpanel

•Rightandlefthandsideknockoutforventing

•Attractivecoloraccents

•Hingedblowerdoor

•PrefectFitdoorlatches

• Insulatedblowerdoor

•Gasketedblowerdoor

• Internalfilterrack

•Standardfiltersizes

•Heavy gauge aluminized steel heatexchanger

•Blowerdoorsafetyswitch

•Multi-portIn-shotburners

•Completefrontserviceaccess

•Alternatebottom/left/rightreturnair

•Slideoutblowerassembly

•Directdrive,4-speedmotors

•Adjustablefan-offtimes

•Commonventcapability

•Heavy gauge reinforced wrap-around steel cabinet

•OptionalL.P.conversionkit

•Left/rightgasconnection

•Accessoryhook-upcapability

•Selectablecooling fanoffeliminatesneed for BAY24X045 time delay relay

•24voltfuse

•Manualresetflameroll-outswitches

Standard Equipment XL 80 Upflow/ Downflow Horizontal Right or Left

Page 5: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

22-1639-13 5

Optional Equipment

OPTIONAL EQUIPMENT FOR CONDENSING UNITS (Check mark [✓] indicates accessories included).Comfort Control, Mechanical 2-Stage Heating/1-Stage Cooling ..................................................................BAYSTAT241 [ ] Comfort Control, Heating/Cooling Single Stage (Mounts Horizontally) ........................................................... AY28X092 [ ]Comfort Control, Heating/Cooling Single Stage (Mounts Vertically) .............................................................BAYSTAT305 [ ]Comfort Control, Electronic Programmable 2-Stage Heating/1-Stage Cooling ......................................... BAYSTAT302C [ ]Comfort Control, Electronic Programmable 1-Stage Heating/1-Stage Cooling ......................................... BAYSTAT300C [ ]Comfort Control, Electronic Non-Programmable 1-Stage Heating/1-Stage Cooling .....................................TAYSTAT370 [ ]Comfort Control, Electronic Programmable (5/2) 1-Stage Heating/1-Stage Cooling .....................................TAYSTAT340 [ ]Comfort Control, Heating Only .....................................................................................................................BAYSTAT388 [ ]Propane Conversion Kit .............................................................................................................................BAYLPKT210A [ ]Electronic Air Filter, “Perfect Fit” Super Efficiency (14-1/2" Wide Gas Furnace) ....................................... TFE145A9FR0 [ ]Electronic Air Filter, “Perfect Fit” Super Efficiency (17-1/2" Wide Gas Furnace) ....................................... TFE175A9FR0 [ ]Electronic Air Filter, “Perfect Fit” Super Efficiency (21" Wide Gas Furnace) .............................................. TFE210A9FR0 [ ]Electronic Air Filter, “Perfect Fit” Super Efficiency (24-1/2" Wide Gas Furnace) ....................................... TFE245A9FR0 [ ]Electronic Air Filter, “Perfect Fit” High Efficiency (14-1/2" Wide Gas Furnace) ..........................................TFM145A9FR0 [ ]Electronic Air Filter, “Perfect Fit” High Efficiency (17-1/2" Wide Gas Furnace) ..........................................TFM175A9FR0 [ ]Electronic Air Filter, “Perfect Fit” High Efficiency (21" Wide Gas Furnace) ................................................TFM210A9FR0 [ ]Electronic Air Filter, “Perfect Fit” High Efficiency (24-1/2" Wide Gas Furnace) ..........................................TFM245A9FR0 [ ]Electronic Air Filter, “Perfect Fit” Standard Efficiency (14-1/2" Wide Gas Furnace) .................................. TFP145A9FR0 [ ]Electronic Air Filter, “Perfect Fit” Standard Efficiency (17-1/2" Wide Gas Furnace) .................................. TFP175A9FR0 [ ]Electronic Air Filter, “Perfect Fit” Standard Efficiency (21" Wide Gas Furnace) ......................................... TFP210A9FR0 [ ]Electronic Air Filter, “Perfect Fit” Standard Efficiency (24-1/2" Wide Gas Furnace) .................................. TFP245A9FR0 [ ]Coil Enclosure (14-1/2" Wide Cabinets) ..............................................................................................BAYCLE14A1422A [ ]Coil Enclosure (17-1/2" Wide Cabinets) ..............................................................................................BAYCLE17A1722A [ ]Coil Enclosure (21" Wide Cabinets) ....................................................................................................BAYCLE21A2130A [ ]Coil Enclosure (24-1/2" Wide Cabinets) ..............................................................................................BAYCLE24A2430A [ ]High Altitude Switch ......................................................................................................................................BAYHALT239 [ ]High Altitude Switch ......................................................................................................................................BAYHALT249 [ ]Downflow Subbase ......................................................................................................................................BAYBASE205 [ ]Filter Access Door Kit ...................................................................................................................................BAYFLTR206 [ ]Masonry Chimney Vent Kit (Upflow models only) ..................................................................................... BAYVENT800B [ ]Filter Rack Kit ........................................................................................................................................... BAYRACK960A [ ]Cleanable Filter (14.5"/17.5" wide Upflow models) ........................................................................................BAYFLTR317[ ]Cleanable Filter (21" wide Upflow models) ....................................................................................................BAYFLTR321[ ]Cleanable Filter (24.5" wide Upflow models) .................................................................................................BAYFLTR324[ ]

Features and Benefits

Page 6: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

6 22-1639-13

General Data

TUD2 Product Specifications 1MODEL

RATINGS21st Stage Input BTUH 1st Stage Capacity BTUH (ICS)32nd Stage Input BTUH 2nd Stage Capacity BTUH (ICS)3AFUE (ICS)Temp. Rise (Min.-Max.) °F.

BLOWER DRIVEDia.-Width (In.)No. UsedSpeeds (No.)CFM vs. in. w.g.Motor HPR.P.M.Volts/Ph/Hz

COMBUSTION FAN — TYPEDrive - No. SpeedsMotor HP PSC [Shaded Pole] - RPMVolts/Ph/HzFLA PSC [Shaded pole]

FILTER — Furnished?Type RecommendedFilter (No.-Size-Thk.)

VENT — Size (In.)

HEAT EXCHANGERType -Fired -UnfiredGauge (Fired)

ORIFICES — MainNat. Gas. Qty. — Drill SizeL.P. Gas Qty. — Drill Size

GAS VALVE

DIRECT IGNITION DEVICEType

BURNERS — TypeNumber

POWER CONN. — V/Ph/Hz4Ampacity (In Amps)Max. Overcurrent Protection (Amps)

PIPE CONN. SIZE (IN.)

DUCT CONN.

DIMENSIONSCrated (In.)Uncrated

WEIGHTShipping (Lbs.)/Net (Lbs.)

TUD2A040A9242A

26,00020,80040,00032,00080.0

30 - 60

DIRECT10 x 6

14

SEE FAN PERF. TABLE1/5

1080 115/1/60

CENTRIFUGALDIRECT - 2

1/100 - 2544/1374115/1/600.76/0.37

NOHIGH VELOCITY1 - 17 X 25 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

2 - 452 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT2

115/1/604.515

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 16-1/2 X 30-1/2

SEE OUTLINE DRAWING

119/110

**-Built with a 10 X 7 blower housing, identical airflow to 10 X 6 housing in this model.1 Central Furnace heating designs are certified to ANSI Z21.47 / CSA 2.3.2 For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per 1,000 feet for elevations above 2,000 feet above sea level. For Canadian applications,

above input ratings (BTUH) are up to 4,500 feet, derate 4% per 1,000 feet for elevations above 4,500 feet above sea level.3 Based on U.S. government standard tests.4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes.

TUD2A060A9362A

39,00031,20060,00047,00080.0

30 - 60

DIRECT10 x 6**

14

SEE FAN PERF. TABLE1/3

1075115/1/60

CENTRIFUGALDIRECT - 2

11/100 / [1/145] - 2543/1727115/1/60

0.70/0.40 / [0.23/0.20]

NOHIGH VELOCITY1 - 17 X 25 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

3 - 453 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT3

115/1/608.215

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 16-1/2 X 30-1/2

SEE OUTLINE DRAWING

127/118

TUD2B080A9362A

52,00041,60080,00063,00080.1

30 - 60

DIRECT10 x 7

14

SEE FAN PERF. TABLE1/3

1075115/1/60

CENTRIFUGALDIRECT - 2

1/100 / [1/145] - 2543/1727115/1/60

0.70/0.40 / [0.23/0.20]

NOHIGH VELOCITY1 - 17 X 25 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

4 - 454 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT4

115/1/608.215

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 19-1/2 X 30-1/2

SEE OUTLINE DRAWING

142/132

TUD2B060A9362A

39,00031,20060,00047,00080.0

30 - 60

DIRECT10 x 6**

14

SEE FAN PERF. TABLE1/3

1075115/1/60

CENTRIFUGALDIRECT - 2

1/100 / [1/145] - 2543/1727115/1/60

0.70/0.40 / [0.23/0.20]

NOHIGH VELOCITY1 - 17 X 25 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

3 - 453 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT3

115/1/609.015

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 19-1/2 X 30-1/2

SEE OUTLINE DRAWING

137/127

Page 7: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

22-1639-13 7

TUD2 Product Specifications 1MODEL

RATINGS21st Stage Input BTUH 1st Stage Capacity BTUH (ICS)32nd Stage Input BTUH 2nd Stage Capacity BTUH (ICS)3AFUE (ICS)Temp. Rise (Min.-Max.) °F.

BLOWER DRIVEDia.-Width (In.)No. UsedSpeeds (No.)CFM vs. in. w.g.Motor HPR.P.M.Volts/Ph/Hz

COMBUSTION FAN — TYPEDrive - No. SpeedsMotor HP PSC [Shaded Pole] - RPMVolts/Ph/HzFLA PSC [Shaded pole]

FILTER — Furnished?Type RecommendedFilter (No.-Size-Thk.)

VENT — Size (In.)

HEAT EXCHANGERType -Fired -UnfiredGauge (Fired)

ORIFICES — MainNat. Gas. Qty. — Drill SizeL.P. Gas Qty. — Drill Size

GAS VALVE

DIRECT IGNITION DEVICEType

BURNERS — TypeNumber

POWER CONN. — V/Ph/Hz4Ampacity (In Amps)Max. Overcurrent Protection (Amps)

PIPE CONN. SIZE (IN.)

DUCT CONN.

DIMENSIONSCrated (In.)Uncrated

WEIGHTShipping (Lbs.)/Net (Lbs.)

General Data

TUD2B080A9482A

52,00041,60080,00063,00080.0

30 - 60

DIRECT10 x 8

14

SEE FAN PERF. TABLE1/3

1075115/1/60

CENTRIFUGALDIRECT - 2

1/100 / [1/145] - 2543/1727115/1/60

0.70/0.40 / [0.23/0.20]

NOHIGH VELOCITY1 - 17 X 25 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

4 - 454 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT4

115/1/608.915

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 19-1/2 X 30-1/2

SEE OUTLINE DRAWING

142/132

TUD2B100A9362A

65,00052,000100,00079,00080.6

40 - 70

DIRECT10 x 7

14

SEE FAN PERF. TABLE1/3

1075115/1/60

CENTRIFUGALDIRECT - 2

1/75 / [1/145] - 2708/1868115/1/60

0.87/0.49 / [0.22/0.20]

NOHIGH VELOCITY1 - 17 X 25 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

5 - 455 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT5

115/1/608.415

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 19-1/2 X 30-1/2

SEE OUTLINE DRAWING

151/141

TUD2C100A9482A

65,00052,000100,00079,00081.0

35 - 65

DIRECT10 x 8

14

SEE FAN PERF. TABLE1/2

1075115/1/60

CENTRIFUGALDIRECT - 2

1/75 / [1/145] - 2708/1868115/1/60

0.87/0.49 / [0.22/0.20]

NOHIGH VELOCITY1 - 20 X 25 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

5 - 455 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT5

115/1/6011.015

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 23 X 30-1/2

SEE OUTLINE DRAWING

162/151

TUD2C100A9602A

65,00052,000100,00080,00080.0

30 - 60

DIRECT11 x 10

14

SEE FAN PERF. TABLE1/2

1075115/1/60

CENTRIFUGALDIRECT - 2

1/75 / [1/145] - 2708/1868115/1/60

0.87/0.49 / [0.22/0.20]

NOHIGH VELOCITY1 - 20 X 25 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

5 - 455 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITOR

MULTIPORT INSHOT5

115/1/6012.820

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 23 X 30-1/2

SEE OUTLINE DRAWING

162/151

1 Central Furnace heating designs are certified to ANSI Z21.47 / CSA 2.3.2 For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per 1,000 feet for elevations above 2,000 feet above sea level. For Canadian applications,

above input ratings (BTUH) are up to 4,500 feet, derate 4% per 1,000 feet for elevations above 4,500 feet above sea level.3 Based on U.S. government standard tests.4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes.

Page 8: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

8 22-1639-13

General Data

TUD2 Product Specifications 1MODEL

RATINGS21st Stage Input BTUH 1st Stage Capacity BTUH (ICS)32nd Stage Input BTUH 2nd Stage Capacity BTUH (ICS)3AFUE (ICS)Temp. Rise (Min.-Max.) °F.

BLOWER DRIVEDia.-Width (In.)No. UsedSpeeds (No.)CFM vs. in. w.g.Motor HPR.P.M.Volts/Ph/Hz

COMBUSTION FAN — TYPEDrive - No. SpeedsMotor HP PSC [Shaded Pole] - RPMVolts/Ph/HzFLA PSC [Shaded pole]

FILTER — Furnished?Type RecommendedFilter (No.-Size-Thk.)

VENT — Size (In.)

HEAT EXCHANGERType -Fired -UnfiredGauge (Fired)

ORIFICES — MainNat. Gas. Qty. — Drill SizeL.P. Gas Qty. — Drill Size

GAS VALVE

DIRECT IGNITION DEVICEType

BURNERS — TypeNumber

POWER CONN. — V/Ph/Hz4Ampacity (In Amps)Max. Overcurrent Protection (Amps)

PIPE CONN. SIZE (IN.)

DUCT CONN.

DIMENSIONSCrated (In.)Uncrated

WEIGHTShipping (Lbs.)/Net (Lbs.)

TUD2C120A9542A

78,00062,400120,00095,00080.0

35 - 65

DIRECT11 x 10

14

SEE FAN PERF. TABLE1/2

1075115/1/60

CENTRIFUGALDIRECT - 2

1/60 / [1/85] - 3090/2225115/60/1

1.14/0.51 / [0.25/0.21]

NOHIGH VELOCITY1 - 20 X 25 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

6 - 456 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT6

115/1/6013.220

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 23 X 30-1/2

SEE OUTLINE DRAWING

176/165

TUD2D120A9602A

78,00062,400120,00095,00080.0

30 - 60

DIRECT11 x 10

14

SEE FAN PERF. TABLE1/2

1075115/1/60

CENTRIFUGALDIRECT - 2

1/60 / [1/85] - 3090/2225115/60/1

1.14/0.51 / [0.25/0.21]

NOHIGH VELOCITY1 - 24 X 25 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

6 - 456 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT6

115/1/6013.220

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 26-1/2 X 30-1/2

SEE OUTLINE DRAWING

186/174

TUD2D140A9602A

91,00072,800140,000111,000

80.040 - 70

DIRECT11 x 10

14

SEE FAN PERF. TABLE3/4

1075115/1/60

CENTRIFUGALDIRECT - 2

1/60 - 3100/2350115/60/11.16/0.54

NOHIGH VELOCITY1 - 24 X 25 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

7 - 457 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT7

115/1/6013.620

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 26-1/2 X 30-1/2

SEE OUTLINE DRAWING

193/181

1 Central Furnace heating designs are certified to ANSI Z21.47 / CSA 2.3.2 For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per 1,000 feet for elevations above 2,000 feet above sea level. For Canadian applications,

above input ratings (BTUH) are up to 4,500 feet, derate 4% per 1,000 feet for elevations above 4,500 feet above sea level.3 Based on U.S. government standard tests.4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes.

TUD2D100A9602A

65,00052,000100,00080,00081.1

30 - 60

DIRECT10 x 10

14

SEE FAN PERF. TABLE1/2

1075115/1/60

CENTRIFUGALDIRECT - 2

1/75 / [1/145] - 2708/1868115/1/60

0.87/0.49 / [0.22/0.20]

NOHIGH VELOCITY1 - 24 X 25 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

5 - 455 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT5

115/1/6012.820

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 26-1/2 X 30-1/2

SEE OUTLINE DRAWING

175/163

Page 9: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

22-1639-13 9

TDD2 Product Specifications 1MODEL

RATINGS21st Stage Input BTUH 1st Stage Capacity BTUH (ICS)32nd Stage Input BTUH 2nd Stage Capacity BTUH (ICS)3AFUE (ICS)Temp. Rise (Min.-Max.) °F.

BLOWER DRIVEDia.-Width (In.)No. UsedSpeeds (No.)CFM vs. in. w.g.Motor HPR.P.M.Volts/Ph/Hz

COMBUSTION FAN — TYPEDrive - No. SpeedsMotor HP PSC [Shaded Pole] - RPMVolts/Ph/HzFLA PSC [Shaded pole]

FILTER — Furnished?Type RecommendedFilter (No.-Size-Thk.)

VENT — Size (In.)

HEAT EXCHANGERType -Fired -UnfiredGauge (Fired)

ORIFICES — MainNat. Gas. Qty. — Drill SizeL.P. Gas Qty. — Drill Size

GAS VALVE

DIRECT IGNITION DEVICEType

BURNERS — TypeNumber

POWER CONN. — V/Ph/Hz4Ampacity (In Amps)Max. Overcurrent Protection (Amps)

PIPE CONN. SIZE (IN.)

DUCT CONN.

DIMENSIONSCrated (In.)Uncrated

WEIGHTShipping (Lbs.)/Net (Lbs.)

General Data

1 Central Furnace heating designs are certified to ANSI Z21.47 / CSA 2.3.2 For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per 1,000 feet for elevations above 2,000 feet above sea level. For Canadian applications,

above input ratings (BTUH) are up to 4,500 feet, derate 4% per 1,000 feet for elevations above 4,500 feet above sea level.3 Based on U.S. government standard tests.4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes.

TDD2A040A9242A

26,00020,80040,00032,00080.0

30 - 60

DIRECT10 x 6

14

SEE FAN PERF. TABLE1/5

1075115/1/60

CENTRIFUGALDIRECT - 2

1/100 - 2544/1374115/1/600.76/0.37

NOHIGH VELOCITY2 - 14 X 20 - 1 IN.

4 ROUND

ALUMINIZED STEEL

20

2 - 452 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT2

115/1/604.515

1/2

SEE OUTLINE DRAWING

H X W X D41 X 16-1/2 X 30-1/2

SEE OUTLINE DRAWING

119 / 109

TDD2A060A9362A

39,00031,20060,00047,00080.0

30 - 60

DIRECT10 x 7

14

SEE FAN PERF. TABLE1/3

1075115/1/60

CENTRIFUGALDIRECT - 2

1/100 / [1/145] - 2543/1727115/1/60

0.70/0.40 / [0.23/0.20]

NOHIGH VELOCITY2 - 14 X 20 - 1 IN

4 ROUND

ALUMINIZED STEEL

20

3 - 453 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT3

115/1/608.215

1/2

SEE OUTLINE DRAWING

H X W X D41 X 16-1/2 X 30-1/2

SEE OUTLINE DRAWING

129 / 119

TDD2B060A9362A

39,00031,20060,00047,00080.0

30 - 60

DIRECT10 x 7

14

SEE FAN PERF. TABLE1/3

1075115/1/60

CENTRIFUGALDIRECT - 2

1/100 / [1/145] - 2543/1727115/1/60

0.70/0.40 / [0.23/0.20]

NOHIGH VELOCITY2 - 14 X 20 - 1 IN

4 ROUND

ALUMINIZED STEEL

20

3 - 453 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT3

115/1/608.215

1/2

SEE OUTLINE DRAWING

H X W X D41 X 19-1/2 X 30-1/2

SEE OUTLINE DRAWING

129 / 119

Page 10: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

10 22-1639-13

General Data

TDD2 Product Specifications 1MODEL

RATINGS21st Stage Input BTUH 1st Stage Capacity BTUH (ICS)32nd Stage Input BTUH 2nd Stage Capacity BTUH (ICS)3AFUE (ICS)Temp. Rise (Min.-Max.) °F.

BLOWER DRIVEDia.-Width (In.)No. UsedSpeeds (No.)CFM vs. in. w.g.Motor HPR.P.M.Volts/Ph/Hz

COMBUSTION FAN — TYPEDrive - No. SpeedsMotor HP PSC [Shaded Pole] - RPMVolts/Ph/HzFLA PSC [Shaded pole]

FILTER — Furnished?Type RecommendedFilter (No.-Size-Thk.)

VENT — Size (In.)

HEAT EXCHANGERType -Fired -UnfiredGauge (Fired)

ORIFICES — MainNat. Gas. Qty. — Drill SizeL.P. Gas Qty. — Drill Size

GAS VALVE

DIRECT IGNITION DEVICEType

BURNERS — TypeNumber

POWER CONN. — V/Ph/Hz4Ampacity (In Amps)Max. Overcurrent Protection (Amps)

PIPE CONN. SIZE (IN.)

DUCT CONN.

DIMENSIONSCrated (In.)Uncrated

WEIGHTShipping (Lbs.)/Net (Lbs.)

1 Central Furnace heating designs are certified to ANSI Z21.47 / CSA 2.3.2 For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per 1,000 feet for elevations above 2,000 feet above sea level. For Canadian applications,

above input ratings (BTUH) are up to 4,500 feet, derate 4% per 1,000 feet for elevations above 4,500 feet above sea level.3 Based on U.S. government standard tests.4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes.

TDD2C100A9482A

65,00052,000100,00079,00080.0

35 - 65

DIRECT10 x 8

14

SEE FAN PERF. TABLE1/2

1075115/1/60

CENTRIFUGALDIRECT - 2

1/75 / [1/145] - 2708/1868115/1/60

0.87/0.49 / [0.22/0.20]

NOHIGH VELOCITY2 - 16 X 20 - 1 IN

4 ROUND

ALUMINIZED STEEL

20

5 - 455 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT5

115/1/6011.015

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 23 X 30-1/2

SEE OUTLINE DRAWING

165 / 154

TDD2B080A9362A

52,00041,60080,00064,00080.0

35 - 65

DIRECT10 x 7

14

SEE FAN PERF. TABLE1/3

1075115/1/60

CENTRIFUGALDIRECT - 2

1/100 / [1/145] - 2543/1727115/1/60

0.70/0.40 / [0.23/0.20]

NOHIGH VELOCITY2 - 14 X 20 - 1 IN

4 ROUND

ALUMINIZED STEEL

20

4 - 454 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT4

115/1/608.215

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 19-1/2 X 30-1/2

SEE OUTLINE DRAWING

146 / 135

TDD2B100A9482A

65,00052,000100,00079,00080.0

40 - 70

DIRECT10 x 8

14

SEE FAN PERF. TABLE1/3

1075115/1/60

CENTRIFUGALDIRECT - 2

1/75 / [1/145] - 2708/1868115/1/60

0.87/0.49 / [0.22/0.20]

NOHIGH VELOCITY2 - 16 X 20 - 1 IN

4 ROUND

ALUMINIZED STEEL

20

5 - 455 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT4

115/1/609.215

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 19-1/2 X 30-1/2

SEE OUTLINE DRAWING

156 / 145

Page 11: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

22-1639-13 11

TDD2 Product Specifications 1MODEL

RATINGS21st Stage Input BTUH 1st Stage Capacity BTUH (ICS)32nd Stage Input BTUH 2nd Stage Capacity BTUH (ICS)3AFUE (ICS)Temp. Rise (Min.-Max.) °F.

BLOWER DRIVEDia.-Width (In.)No. UsedSpeeds (No.)CFM vs. in. w.g.Motor HPR.P.M.Volts/Ph/Hz

COMBUSTION FAN — TYPEDrive - No. SpeedsMotor HP PSC [Shaded Pole] - RPMVolts/Ph/HzFLA PSC [Shaded pole]

FILTER — Furnished?Type RecommendedFilter (No.-Size-Thk.)

VENT — Size (In.)

HEAT EXCHANGERType -Fired -UnfiredGauge (Fired)

ORIFICES — MainNat. Gas. Qty. — Drill SizeL.P. Gas Qty. — Drill Size

GAS VALVE

DIRECT IGNITION DEVICEType

BURNERS — TypeNumber

POWER CONN. — V/Ph/Hz4Ampacity (In Amps)Max. Overcurrent Protection (Amps)

PIPE CONN. SIZE (IN.)

DUCT CONN.

DIMENSIONSCrated (In.)Uncrated

WEIGHTShipping (Lbs.)/Net (Lbs.)

TDD2C100A9602A

65,00052,000100,00079,00080.0

30 - 60

DIRECT11 x 10

14

SEE FAN PERF. TABLE1/2

1075115/1/60

CENTRIFUGALDIRECT - 2

1/75 / [1/145] - 2708/1868115/1/60

0.87/0.49 / [0.22/0.20]

NOHIGH VELOCITY2 - 16 X 20 - 1 IN

4 ROUND

ALUMINIZED STEEL

20

5 - 455 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITOR

MULTIPORT INSHOT5

115/1/6012.820

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 23 X 30-1/2

SEE OUTLINE DRAWING

167 / 155

TDD2D120A9602A

78,00062,400120,00095,00080.0

35 - 65

DIRECT11 x 10

14

SEE FAN PERF. TABLE1/2

1075115/1/60

CENTRIFUGALDIRECT - 2

1/60 / [1/85] - 3090/2225115/1/60

1.14/0.51 / [0.25/0.21]

NOHIGH VELOCITY2 - 16 X 20 - 1 IN

4 ROUND

ALUMINIZED STEEL

20

6 - 456 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT6

115/1/6013.220

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 26-1/2 X 30-1/2

SEE OUTLINE DRAWING

189/176

TDD2D140A9602A

91,00072,800140,000112,000

80.045 - 75

DIRECT11 x 10

14

SEE FAN PERF. TABLE3/4

1075115/1/60

CENTRIFUGALDIRECT - 2

1/60 - 3100/2350115/1/601.16/0.54

NOHIGH VELOCITY2 - 16 X 20 - 1 IN

4 ROUND

ALUMINIZED STEEL

20

7 - 457 - 56

REDUNDANT - TWO STAGE

HOT SURFACE IGNITION

MULTIPORT INSHOT7

115/1/6013.620

1/2

SEE OUTLINE DRAWING

H X W X D41-3/4 X 26-1/2 X 30-1/2

SEE OUTLINE DRAWING

197 / 184

1 Central Furnace heating designs are certified to ANSI Z21.47 / CSA 2.3.2 For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per 1,000 feet for elevations above 2,000 feet above sea level. For Canadian applications,

above input ratings (BTUH) are up to 4,500 feet, derate 4% per 1,000 feet for elevations above 4,500 feet above sea level.3 Based on U.S. government standard tests.4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes.

General Data

Page 12: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

12 22-1639-13

Performance Data

TUD2

FURNACE AIRFLOW (CFM) VS. EXTERNAL STATIC PRESSURE (IN. W.C.)

MODEL 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90

*UD2A040A9242A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow

1-LOW - Red

1018847716617

1004832701599

982809678575

950779648544

910742610507

860697585463

802644512413

763585452357

660517384294

*UD2A060A9362A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow

1-LOW - Red

142612431042900

138912251039903

134511971027895

129811601005877

12361113973848

11711057931809

1099991879760

1020916817700

934831745629

*UD2B060A9362A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow

1-LOW - Red

158813291090894

155413181090901

151712991093904

146812681076894

141212281052881

135111861028860

12781135978828

12001072917777

1102988836638

*UD2B080A9362A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow

1-LOW - Red

139312101046900

138412091052903

136411981047895

133511771033888

129611471008869

12471107973842

11891058928808

1120999873766

1042930808717

*UD2B080A9482A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow

1-LOW - Red

183913231092788

182113251090783

179613291091780

175613191083768

171013081076758

164112751059737

157312461040719

148012011005674

13921165970630

*UD2B100A9362A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow

1-LOW - Red

147612491020873

146412571046887

144112521058890

140812341050883

136312031028864

13071158990834

12411101936794

11631030866742

1074946780680

*UD2C100A9482A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow

1-LOW - Red

1880166214281208

1846163514211215

1799159814021210

1740155113701193

1669149313261164

1595142412691124

1489134511991073

1381125611171009

126011571022935

*UD2C100A9602A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow

1-LOW - Red

2181190816211443

2143188816091419

2104186815971395

2053183415821381

2001180015671367

1929174515331335

1856169014981302

1766163114381256

1676157213771209

*UD2D120A9542A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow

1-LOW - Red

2162188916541427

2130188116431421

2097187316311414

2067183916191400

2037180516061386

1976177615721357

1914174615381327

1833167014831285

1752159314281243

*UD2C100A9602A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow

1-LOW - Red

2250208518601638

2185203918421630

2120199218241621

2046191817731591

1972184317221561

1868176016511497

1762167715791433

1640156714651321

1517145613501208

*UD2D120A9602A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow

1-LOW - Red

2135190616461423

2101188116321415

2066185616171407

2036181715961391

2005177715751375

1923172415351338

1840167114941300

1750160214271246

1659153313601192

*UD2D140A9602A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow

1-LOW - Red

2462212817551450

2407211217461446

2351209617361442

2284205417191427

2216201117021411

2143194916561383

2069188716091354

1989179715641298

1908170615181241

*- First letter may be "A" or "T"

Page 13: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

22-1639-13 13

Performance Data

CFM VS. TEMPERATURE RISE

MODELCFM (CUBIC FEET PER MINUTE)

500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400

*UD2A040A9242A 59 49 42 37 33 30

*UD2A060A9362A 56 49 44 40 37 34 32

*UD2B060A9362A 56 49 44 40 37 34 32

*UD2B080A9362A 59 54 49 46 42

*UD2B080A9482A 58 52 49 46 42 40 37 35 33

*UD2B100A9362A 67 62 57 53 49

*UD2C100A9482A 67 62 57 53 49 46 44 41 39 37

*UD2C100A9602A 62 57 53 49 46 44 41 39 37 35 34 32 31

*UD2D100A9602A 62 57 53 49 46 44 41 39 37 35 34 32 31

*UD2D120A9542A 63 59 56 52 49 47 44 42 40

*UD2D120A9602A 59 56 52 49 47 44 42 40

*UD2D140A9602A 69 65 61 58 55 52 49 47 45

*- May be "A" or "T"

TUD2

TDD2CFM VS. TEMPERATURE RISE

MODELCFM (CUBIC FEET PER MINUTE)

500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400

*DD2A040A9242A 59 49 42 37 33 30

*DD2A060A9362A 56 49 44 40 37 34 32

*DD2B060A9362A 56 49 44 40 37 34 32

*DD2B080A9362A 59 54 49 46 42

*DD2B100A9482A 62 57 53 49 46 44 41

*DD2C100A9482A 62 57 53 49 46 44 41 39 37

*DD2C100A9602A 62 57 53 49 46 44 41 39 37 35 34 32 31

*DD2D120A9602A 59 56 52 49 47 44 42 40

*DD2D140A9602A 69 65 61 58 55 52 49 47 45

Page 14: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

14 22-1639-13

Performance Data

TDD2

FURNACE AIRFLOW (CFM) VS. EXTERNAL STATIC PRESSURE (IN. W.C.)

MODEL SPEED TAP 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90

*DD2A040A9242A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow1-LOW - Red

1070870740633

1033850720600

1000823690577

960790663543

920753627507

860813588463

810667547420

740613483360

-490

--

*DD2A060A9362A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow1-LOW - Red

148013021115956

142912761100947

137612291070918

131811881035888

128211411000859

11881088965824

11121024918788

1029953859741

959882790682

*DD2B060A9362A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow1-LOW - Red

1644146712521025

1593143112161022

1525138311941003

147313321169986

140812771122955

131612091079910

126911371011862

11781064933793

1056970840672

*DD2B080A9362A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow1-LOW - Red

152313171123942

149613071119943

146312611106931

142012601082920

136912231056898

131011751016818

12431122976833

11721060930795

11001000880760

*DD2B100A9482A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow1-LOW - Red

176713821130840

173113541138831

166913231115815

161512921085792

154612541054762

146912071015731

13921177977700

13001108938654

11461038877625

*DD2C100A9482A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow1-LOW - Red

1965164514071202

1915162713981208

1865160513871205

1805157513751195

1740153513471166

1670148213181140

1587142112751105

1500133011901045

137012201095970

*DD2C100A9602A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow1-LOW - Red

2165196217051492

2113192716881467

2060189116711442

1995183916711442

1929178616001385

1842172415471346

1755166214921307

1674158114351243

1593150013771179

*DD2D120A9602A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow1-LOW - Red

2241198117211476

2202196217051466

2163194216881456

2106190416711440

2049186616531423

1979180516111392

1908174315691361

1804168015151302

1700161714611243

*DD2D140A9602A

4-HIGH - Black3-MED.-HIGH - Blue2-MED.-LOW - Yellow1-LOW - Red

2377211518061527

2321208117931507

2265204617791486

2199199217381473

2133193816961459

2050187216551422

1967180516141384

1877172715561329

1786164914971273

*- First letter may be "A" or "T"

Page 15: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

22-1639-13 15

Electrical Data

TUD2 Wiring Diagram For Gas Furnaces

From Dwg. D344429P01(continued on next page)

Page 16: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

16 22-1639-13

TUD2 Schematic Diagram For Gas Furnaces

From Dwg. D344930P01

Electrical Data

Page 17: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

22-1639-13 17

TDD2 Wiring Diagram For Gas Furnaces

From Dwg. D344430P02(continued on next page)

Electrical Data

Page 18: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

18 22-1639-13

Electrical Data

TDD2 Schematic Diagram For Gas Furnaces

From Dwg. D344430P02

Page 19: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

22-1639-13 19

Field Wiring

OUTDOOR UNIT (NO TRANSFORMER)

SEE NOTE 5

From Dwg. B342019 Rev. 0

SEE NOTE 7

2 STAGE FURNACE

TWIN

SEE NOTE 6

B/CB/C TO 115 V 1 PH.,60 HZ., POWERSUPPLY PERLOCAL CODES

HUM SEENOTE 4

EAC SEENOTE 4

FIELD WIRING DIAGRAM FOR 2 STAGE FURNACE2 STAGE HEATING, 1 STAGE COOLING

USING A 1 STAGE HEATING, 1 STAGE COOLING THERMOSTAT(OUTDOOR SECTION WITHOUT TRANSFORMER)

SEE NOTE 5

From Dwg. B342021 Rev. 0

2 STAGE FURNACE

TWIN

SEE NOTE 6

OUTDOOR UNIT (NO TRANSFORMER)

SEE NOTE 7

B/CB/C TO 115 V 1 PH.,60 HZ., POWERSUPPLY PERLOCAL CODES

HUM SEENOTE 4

EAC SEENOTE 4

FIELD WIRING DIAGRAM FOR 2 STAGE FURNACE2 STAGE HEATING, 1 STAGE COOLING

USING A 2 STAGE HEATING, 1 STAGE COOLING THERMOSTAT(OUTDOOR SECTION WITHOUT TRANSFORMER)

Page 20: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

20 22-1639-13

FieldWiring

SEE NOTE 5

From Dwg. B341486 Rev. 1

2 STAGE FURNACE

TWIN

SEE NOTE 6

SEE NOTE 7

B/C B/CTO 115 V 1 PH.,60 HZ., POWERSUPPLY PERLOCAL CODES

HUM SEENOTE 4

EAC SEENOTE 4

FIELD WIRING DIAGRAM FOR 2 STAGE FURNACE2 STAGE HEATING

USING A 1 STAGE HEATING THERMOSTATNO COOLING

SEE NOTE 5

From Dwg. B342024 Rev. 0

2 STAGE FURNACE

TWIN

SEE NOTE 6

B/CB/C

TO 115 V 1 PH.,60 HZ., POWERSUPPLY PERLOCAL CODES

HUM SEENOTE 4

EAC SEENOTE 4

FIELD WIRING DIAGRAM FOR 2 STAGE FURNACE2 STAGE HEATING

USING A 2 STAGE HEATING THERMOSTATNO COOLING

Page 21: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

22-1639-13 21

Twinning Field Wiring

TWIN TWIN

TWINNING CONNECTION DIAGRAMFOR TWINNING UD/DD-R FURNACES

1 STAGE HEAT / 1 STAGE COOLING THERMOSTAT

1 STAGEHEATING / COOLING

THERMOSTAT FURNACE NO. 1 FURNACE NO. 2

BLOWER OPERATION OF UNIT NO. 2 IS SYNCRONIZEDWITH UNIT NO. 1 VIA SIGNALS

FROM TWIN CONNECTION.

SEE NOTE 3

OUTDOOR UNIT NO. 1(NO TRANSFORMER)

OUTDOOR UNIT NO. 1(WITH TRANSFORMER)

SEE NOTE 2

RC

ISOLATION RELAY(FIELD SUPPLIED)

ALTERNATE CONNECTION

R1

R1

SEE NOTE 4

ISOLATION RELAY(FIELD SUPPLIED)

SEE NOTE 3

B/CB/CB/CFrom Dwg. 21B341487 Rev. 1

THIS CONNECTION IS ONLY USED FOR THERMOSTATS REQUIRINGCONNECTION TO THE 24 V. POWER SUPPLY. (COMMON)

Page 22: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

22 22-1639-13

Twinning Field Wiring

TWIN TWIN

TWINNING CONNECTION DIAGRAMFOR TWINNING UD/DD-R FURNACES

2 STAGE HEAT / 1 STAGE COOLING THERMOSTAT

2 STAGE HEATING1 STAGE COOLING

THERMOSTAT FURNACE NO. 1 FURNACE NO. 2

BLOWER OPERATION OF UNIT NO. 2 IS SYNCRONIZEDWITH UNIT NO. 1 VIA SIGNALS

FROM TWIN CONNECTION.

SEE NOTE 3

OUTDOOR UNIT NO. 1(NO TRANSFORMER)

OUTDOOR UNIT NO. 1(WITH TRANSFORMER)

SEE NOTE 2

RC

ISOLATION RELAY(FIELD SUPPLIED)

ALTERNATE CONNECTION

R2

R2

SEE NOTE 4

ISOLATION RELAY(FIELD SUPPLIED)

SEE NOTE 3

ISOLATION RELAYSEE NOTE 3

R1R1

B/C B/C B/CFrom Dwg. 21B341488 Rev. 1

TWIN TWIN

TWINNING CONNECTION DIAGRAMFOR TWINNING UD/DD-R FURNACES

2 STAGE HEAT / 2 STAGE COOLING THERMOSTAT

2 STAGE HEATING2 STAGE COOLING

THERMOSTAT FURNACE NO. 1 FURNACE NO. 2

BLOWER OPERATION OF UNIT NO. 2 IS SYNCRONIZEDWITH UNIT NO. 1 VIA SIGNALS

FROM TWIN CONNECTION.

SEE NOTE 3

OUTDOOR UNIT NO. 1(NO TRANSFORMER)

OUTDOOR UNIT NO. 2(NO TRANSFORMER)

SEE NOTE 2

R2

R2

SEE NOTE 4

ISOLATION RELAY(FIELD SUPPLIED)

SEE NOTE 3

ISOLATION RELAYSEE NOTE 3

R1R1

OUTDOOR UNIT (WITH TRANSFORMER)

SEE NOTE 2

RC

ISOLATION RELAY(FIELD SUPPLIED)

ALTERNATE CONNECTION

B/CB/CB/C

From Dwg. 21B341489 Rev. 1

Page 23: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

22-1639-13 23

TU

D2

OU

TL

INE

DR

AW

ING

(AL

L D

IME

NS

ION

S A

RE

IN IN

CH

ES

)

Dimensions

From

Dw

g. 2

1C34

1699

Sh.

1 R

ev. 4

MO

DE

LD

IM "

A"

DIM

"B

"D

IM

"C"

DIM

"D

"*U

D2A

040A

9242

A*U

D2A

060A

9362

A14

-1/2

"9-

5/8"

13-1

/4"

13"

*UD

2B06

0A93

62A

*UD

2B08

0A93

62A

*UD

2B08

0A94

82A

*UD

2B10

0A94

82A

17-1

/2"

9-5/

8"16

-1/4

"16

"

*UD

2C10

0A94

82A

*UD

2C10

0A96

02A

*UD

2C12

0A95

42A

21"

13-1

/16"

19-3

/4"

19-1

/2"

*UD

2D10

0A96

02A

*UD

2D12

0A96

02A

*UD

2D14

0A96

02A

24-1

/2"

15-5

/16"

23-1

/4"

23"

*

- The

Firs

t Let

ter

May

Be

"A"

or "

T"

Page 24: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

24 22-1639-13

TD

D2

OU

TL

INE

DR

AW

ING

(AL

L D

IME

NS

ION

S A

RE

IN IN

CH

ES

)

Dimensions

From

Dw

g. 2

1C34

1700

Sh.

1 R

ev. 0

MO

DE

LD

IM "

A"

DIM

"B

"D

IM

"C"

DIM

"D

"*D

D2A

040A

9242

A*D

D2A

060A

9362

A14

-1/2

"9-

5/8"

13-1

/4"

13"

*DD

2B06

0A93

62A

*DD

2B08

0A93

62A

*DD

2B08

0A94

82A

*DD

2B10

0A94

82A

17-1

/2"

9-5/

8"16

-1/4

"16

"

*DD

2C10

0A94

82A

*DD

2C10

0A96

02A

21"

13-1

/16"

19-3

/4"

19-1

/2"

*DD

2D12

0A96

02A

*DD

2D14

0A96

02A

24-1

/2"

15-5

/16"

23-1

/4"

23"

*

- The

Firs

t Let

ter

May

Be

"A"

or "

T"

Page 25: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

Notes

22-1639-13 25

Page 26: Upflow/ Downflow Horizontal Right or Left Gas-Fired Furnace

03/12

The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice.

Trane6200 Troup HighwayTyler, TX 75707www.trane.com