The Whole House Air Cleaner uses
advanced technology to remove up to
99.98% of allergens from the filtered
air and removes particles down to .3
microns in size. Cleaning intervals of
1-3 months are typical, depending on
the home environment.
NATURAL GAS MODELS
Central 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 OPERATION
The 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 HEATING
Durable, cycle tested, heavy gauge
aluminized steel heat exchanger
quickly transfers heat to provide warm
conditioned air to the structure. Low
energy power vent blower, to increase
efficiency and provide a positive
discharge of gas fumes to the outside.
BURNERS
Multiport In-shot burners will give
years of quiet and efficient service. All
models can be converted to L.P. gas.
INTEGRATED SYSTEM CONTROL
Exclusively 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
humidifier.
AIR DELIVERY
The variable speed, direct drive
blower motor, has sufficient airflow
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.
STYLING
Heavy 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.
Built-in bottom pan and bottom
return air connection.
FEATURES AND GENERAL
OPERATION
The XV80i 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 pressure switch.
Ampacity (In Amps)
Max. Overcurrent Protection (Amps)
PIPE CONN. SIZE (In.)
DIMENSIONS
Crated (In.)
Uncrated (In.)
WEIGHT
Shipping (Lbs.) / Net (Lbs.)
2
1st Stage Capacity BTUH (ICS)
2nd Stage Capacity BTUH (ICS)
-Unfired
3
3
5
4
Product Specifications
*UD2B060AFV32A
Upflow / Horizontal
39,000
31,200
60,000
48,000
30 - 60
Direct
10 x 7
1
Variable
See Airflow Table
1/2
Variable
115/1/60
Centrifugal
Direct - 2
1/100 - 2543/1727
115/1/60
0.70/0.40
Yes
Whole House Air Cleaner
65%
4 Round
Alum. Steel - Type 1
20
3 — 45
3 — 56
Redundant - Two Stage
Hot Surface Ignition
Multi-port In-shot
3
115/1/60
10.5
15
1/2
H x W x D
41-3/4 x 19-1/2 x 30-1/2
40 x 17-1/2 x 28-1/2
136 / 126
1
*UD2B080AFV32A
Upflow / Horizontal
52,000
41,600
80,000
64,000
30 - 60
Direct
10 x 7
1
Variable
See Airflow Table
1/2
Variable
115/1/60
Centrifugal
Direct - 2
1/100 - 2543/1727
115/1/60
0.70/0.40
Yes
Whole House Air Cleaner
65%
4 Round
Alum. Steel - Type 1
20
4 — 45
4 — 56
Redundant - Two Stage
Hot Surface Ignition
Multi-port In-shot
4
115/1/60
10.5
15
1/2
H x W x D
41-3/4 x 19-1/2 x 30-1/2
40 x 17-1/2 x 28-1/2
142 / 132
*UD2C080AFV42A
Upflow / Horizontal
52,000
41,600
80,000
64,000
30 - 60
Direct
10 x 10
1
Variable
See Airflow Table
3/4
Variable
115/1/60
Centrifugal
Direct - 2
1/100 - 2543/1727
115/1/60
0.70/0.40
Yes
Whole House Air Cleaner
65%
4 Round
Alum. Steel - Type 1
20
4 — 45
4 — 56
Redundant - Two Stage
Hot Surface Ignition
Multi-port In-shot
4
115/1/60
12.9
20
1/2
H x W x D
41-3/4 x 23 x 30-1/2
40 x 21 x 28-1/2
166 / 155
1 Central Furnace heating designs are certified by AGA and CSA.
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.
5 The FIELD CHARGER may require more frequent cleaning in homes with high indoor relative humidity (greater than 65% RH). Consult your service professional about cleaning
intervals.
PUB. NO. 22-1802-03
6
Page 7
General
Data
MODEL
TYPE
RATINGS
1st Stage Input BTUH
2nd Stage Input BTUH
Temp. rise (Min.-Max.) °F.
BLOWER DRIVE
Diameter - Width (In.)
No. Used
Speeds (No.)
CFM vs. in. w.g.
Motor HP
R.P.M.
Volts / Ph / Hz
COMBUSTION FAN — Type
Drive - No. Speeds
Motor HP - RPM
Volts / Ph / Hz
FLA
Ampacity (In Amps)
Max. Overcurrent Protection (Amps)
PIPE CONN. SIZE (In.)
DIMENSIONS
Crated (In.)
Uncrated (In.)
WEIGHT
Shipping (Lbs.) / Net (Lbs.)
2
1st Stage Capacity BTUH (ICS)
2nd Stage Capacity BTUH (ICS)
-Unfired
3
3
5
4
Product Specifications
*UD2B100AFV32A
Upflow / Horizontal
65,000
52,000
100,000
80,000
40 - 70
Direct
10 x 7
1
Variable
See Airflow Table
1/2
Variable
115/1/60
Centrifugal
Direct - 2
1/75 - 2708/1868
115/1/60
0.87/0.49
Yes
Whole House Air Cleaner
65%
4 Round
Alum. Steel - Type 1
20
5 — 45
5 — 56
Redundant - Two Stage
Hot Surface Ignition
Multi-port In-shot
5
115/1/60
10.8
15
1/2
H x W x D
41-3/4 x 19-1/2 x 30-1/2
40 x 17-1/2 x 28-1/2
142 / 132
1
*UD2D120AFV52A
Upflow / Horizontal
78,000
62,400
120,000
97,000
35 - 65
Direct
10 x 10
1
Variable
See Airflow Table
1
Variable
115/1/60
Centrifugal
Direct - 2
1/60 - 3090/2225
115/1/60
1.14/0.51
Yes
Whole House Air Cleaner
65%
4 Round
Alum. Steel - Type 1
20
6 — 45
6 — 56
Redundant - Two Stage
Hot Surface Ignition
Multi-port In-shot
6
115/1/60
15.3
20
1/2
H x W x D
41-3/4 x 26-1/2 x 30-1/2
40 x 24-1/2 x 28-1/2
193 / 181
1 Central Furnace heating designs are certified by AGA and CSA.
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.
5 The FIELD CHARGER may require more frequent cleaning in homes with high indoor relative humidity (greater than 65% RH). Consult your service professional about cleaning
intervals.
7
PUB. NO. 22-1802-03
Page 8
Performance
Data
*UD2B060AFV32A Furnace Heating Airflow (CFM) and Power (watts) vs. External Static Pressure With Filter
Heating
1st Stage
Heating
Heating
2nd
Stage
Airflow
Setting
Low
Medium**
High
Low
Medium**
High
Dip Switch SettingExternal Static Pressure
SW7SW80.10.30.50.70.9
CFM583590625622620
ON
ON
Temp. Rise5049464647
Watts6087126157192
CFM635687701695694
ON
OFF
Temp. Rise4542414242
Watts69110148183221
CFM746778803819823
OFF
OFF
Temp. Rise3937363535
Watts97140185230272
CFM779816848866874
ON
ON
Temp. Rise5754525151
Watts104152201255302
CFM872939964976985
ON
OFF
Temp. Rise5147464645
Watts136203264312365
CFM10691102110211101078
OFF
OFF
Temp. Rise4240404041
Watts227293345403429
Unit
Outdoor
1.5
2
2.5
Cooling
3**OFFOFF
Notes:
1. * First letter may be "A" or "T".
2. ** Factory setting.
3. Continuous Fan Setting: Heating or cooling airflow is approximately 50% of selected cooling value.
4. For variable speed low speed airflows are approximately 30% of listed values.
5. LOW 350 cfm/ton is recommended for variable speed application for COMFORT & HUMID CLIMATE setting; NORMAL is 400 cfm/ton;
HIGH 450 cfm/ton is for DRY CLIMATE setting.
PUB. NO. 22-1802-03
*UD2B060AFV32A Furnace Cooling Airflow (CFM) and Power (Watts) vs. External Static Pressure With Filter
Airflow
Setting
Low (350
CFM/Ton)
Normal (400
CFM/ton)
High (450
CFM/ton)
Low (350
CFM/Ton)
Normal (400
CFM/ton)
High (450
CFM/ton)
Low (350
CFM/Ton)
Normal (400
CFM/ton)
High (450
CFM/ton)
Low (350
CFM/Ton)
Normal**
(400
High (450
CFM/ton)
SW1SW2SW3SW40.10.30.50.70.9
ON
ON
ONON
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
Dip Switch SettingExternal Static Pressure
ON
ON
ONOFF
OFF
OFF
OFFON
OFFON
OFF
ON
OFF
OFF
OFF
ONOFFON
OFF
OFFONON
ON
OFFOFF
OFF
ONOFFOFF
OFF
OFFONOFF
CFM517535538546542
Watts4976105141171
CFM587594629622618
Watts6189129159196
CFM642677705701696
Watts73109151185222
CFM676705729736738
Watts79118159198240
CFM776814833863867
Watts103150200251298
CFM870928961974975
Watts137198259316361
CFM831883915935941
Watts122182238292345
CFM10231052105510611048
Watts203266316370413
CFM11561174118811961085
Watts280351415482442
CFM10631094109011001070
Watts226290344397430
CFM12141241126312341123
Watts320395476514469
CFM13991409137712781164
Watts486575604559507
8
Page 9
Performance
Data
*UD2B080AFV32A Furnace Heating Airflow (CFM) and Power (watts) vs. External Static Pressure With Filter
Heating
1st Stage
Heating
Heating
2nd
Stage
Airflow
Setting
Low
Medium**
Low
Medium**ON
HighOFF
Dip Switch SettingExternal Static Pressure
SW7SW80.10.30.50.70.9
CFM846852836811810
ON
ON
Temp. Rise4645464848
Watts127167200229270
CFM969956936915897
ON
OFF
Temp. Rise4040414243
Watts182218251283317
CFM11261116110810951074
OFFHigh
OFF
Temp. Rise3435353536
Watts270316361404441
CFM12161205118911691111
ON
ON
Temp. Rise4949505153
Watts333383429468473
CFM13621347132412541145
OFF
Temp. Rise4444454752
Watts468518559550500
CFM14741419137012581148
OFF
Temp. Rise4042434752
Watts590601609558506
Unit
Outdoor
2.5
3
Cooling
3.5**
Notes:rpm11921239128513031315
1. * First letter may be "A" or "T".
2. ** Factory setting.
3. Continuous Fan Setting: Heating or cooling airflow is approximately 50% of selected cooling value.
4. For variable speed low speed airflows are approximately 30% of listed values.
5. LOW 350 cfm/ton is recommended for variable speed application for COMFORT & HUMID CLIMATE setting; NORMAL is 400 cfm/ton;
HIGH 450 cfm/ton is for DRY CLIMATE setting.
*UD2B080AFV32A Furnace Cooling Airflow (CFM) and Power (Watts) vs. External Static Pressure With Filter
Airflow
Setting
Low (350
CFM/Ton)
Normal (400
CFM/ton)
High (450
CFM/ton)
Low (350
CFM/Ton)
Normal (400
CFM/ton)
High (450
CFM/ton)
Low (350
CFM/Ton)
Normal (400
CFM/ton)
High (450
CFM/ton)
SW1SW2SW3SW40.10.30.50.70.9
OFF
OFFONOFFOFF
OFFON
ON
ON
ON
OFF
OFF
OFF
Dip Switch SettingExternal Static Pressure
ON
OFF
OFFOFF
OFFON
OFFON
ONOFF
OFF
ONOFFOFF
OFF
OFFONOFF
ON
OFFOFFOFF
OFF
CFM934926913889863
Watts162201236267296
CFM10631051104210291008
Watts228272315356394
CFM12201212119911791119
Watts334386433471475
CFM11311122111111011083
Watts269317361405442
CFM13101295127312461136
Watts405457498535490
CFM14581420136912661154
Watts569599606561506
CFM13291310128712531142
Watts424472516542493
CFM14751422136912721158
Watts585596605563510
CFM14731421136712691152
Watts585595605558505
9
PUB. NO. 22-1802-03
Page 10
Performance
Data
*UD2C080AFV42A Furnace Heating Airflow (CFM) and Power (watts) vs. External Static Pressure With Filter
Heating
1st Stage
Heating
Heating
2nd
Stage
Airflow
Setting
Low
Medium**ON
High
Low
Medium**
HighOFF
Dip Switch SettingExternal Static Pressure
SW7SW80.10.30.50.70.9
CFM745758758761735
ON
ON
Temp. Rise5251515152
Watts68111153197231
CFM839864851851822
OFF
Temp. Rise4645454547
Watts87134181224263
CFM934961943941933
OFF
OFF
Temp. Rise4140414141
Watts110164211263310
CFM10641077108510861077
ONON
Temp. Rise5655555555
Watts152205262325379
CFM11971226124112301229
ON
OFF
Temp. Rise5048484848
Watts201271338395462
CFM13451375137613711320
OFF
Temp. Rise4443434345
Watts272348418480517
Unit
Outdoor
2.5
3
3.5
Cooling
Notes:
1. * First letter may be "A" or "T".
2. ** Factory setting.
3. Continuous Fan Setting: Heating or cooling airflow is approximately 50% of selected cooling value.
4. For variable speed low speed airflows are approximately 30% of listed values.
5. LOW 350 cfm/ton is recommended for variable speed application for COMFORT & HUMID CLIMATE setting; NORMAL is 400 cfm/ton;
HIGH 450 cfm/ton is for DRY CLIMATE setting.
*UD2C080AFV42A Furnace Cooling Airflow (CFM) and Power (Watts) vs. External Static Pressure With Filter
Airflow
Setting
Low (350
CFM/Ton)
Normal (400
CFM/ton)
High (450
CFM/ton)
Low (350
CFM/Ton)
Normal (400
CFM/ton)
High (450
CFM/ton)
Low (350
CFM/Ton)
Normal (400
CFM/ton)
High (450
CFM/ton)
Low (350
CFM/Ton)
Normal**
(400
High (450
CFM/ton)
SW1SW2SW3SW40.10.30.50.70.9
ON
ON
ON
OFF
OFF
OFF
ON
ON
ON
OFFOFFOFF
OFFOFFON
Dip Switch SettingExternal Static Pressure
CFM840862850846824
Watts87135182223264
CFM962977974973965
Watts118167221276320
CFM10761095110411021096
Watts153212271331390
CFM10041018101610191007
Watts130183236297343
CFM11431176118711841180
Watts180267311368436
CFM13031334133713341296
Watts252326394456502
CFM11671193120811961193
Watts190255321378443
CFM13561378138313581321
Watts279355424473518
CFM15211528153715371344
Watts379545534606556
CFM13511376137713641312
Watts275357422467515
CFM15371548156115341347
Watts392468552606538
CFM17381755173515681382
Watts543652708635563
ONOFF
ONOFF
ONON
OFFOFF
OFFOFF4**
ONOFFON
OFF
OFFONON
ON
OFFOFFON
OFF
ONOFFOFF
OFF
OFFONOFF
ON
OFFOFF
OFF
PUB. NO. 22-1802-03
10
Page 11
Performance
Data
*UD2B100AFV32A Furnace Heating Airflow (CFM) and Power (watts) vs. External Static Pressure With Filter
Heating
1st Stage
Heating
Heating
2nd
Stage
Airflow
Setting
Medium**ON
High
Low
Medium**
High
Dip Switch SettingExternal Static Pressure
SW7SW80.10.30.50.70.9
CFM764795832852848
ON
ONLow
Temp. Rise6361585657
Watts103147195242280
CFM875938963974959
OFF
Temp. Rise5560585758
Watts139200259305344
CFM984102910401039980
OFF
OFF
Temp. Rise4947464649
Watts185253304347357
CFM11181138115711251018
ONON
Temp. Rise6665646673
Watts262326390417383
CFM13101335127711921097
ON
OFF
Temp. Rise5755586268
Watts411498498472441
CFM14131399132212331148
OFF
OFF
Temp. Rise5253566065
Watts512566541514484
Unit
Outdoor
1.5
2
2.5
Cooling
3.0**
Notes:
1. * First letter may be "A" or "T".
2. ** Factory setting.
3. Continuous Fan Setting: Heating or cooling airflow is approximately 50% of selected cooling value.
4. For variable speed low speed airflows are approximately 30% of listed values.
5. LOW 350 cfm/ton is recommended for variable speed application for COMFORT & HUMID CLIMATE setting; NORMAL is 400 cfm/ton;
HIGH 450 cfm/ton is for DRY CLIMATE setting.
*UD2B100AFV32A Furnace Cooling Airflow (CFM) and Power (Watts) vs. External Static Pressure With Filter
*UD2D120AFV52A Furnace Heating Airflow (CFM) and Power (watts) vs. External Static Pressure With Filter
Heating
1st Stage
Heating
Heating
2nd
Stage
Airflow
Setting
Low
Medium**ON
High
Low
Medium**
High
Dip Switch SettingExternal Static Pressure
SW7SW80.10.30.50.70.9
CFM10031039106210331034
ON
ON
Temp. Rise5856545656
Watts125182246309356
CFM11371193118511971185
OFF
Temp. Rise5148494849
Watts170239293370446
CFM12621290132713441331
OFF
OFF
Temp. Rise4645444343
Watts218286366440534
CFM14151454147615001421
ONON
Temp. Rise6361605963
Watts297378453534561
CFM16451672170116591456
ON
OFF
Temp. Rise5453525461
Watts435539632671580
CFM18341857183716861506
OFF
OFF
Temp. Rise4848485359
Watts608705778699630
*UD2D120AFV52A Furnace Cooling Airflow (CFM) and Power (Watts) vs. External Static Pressure With Filter
Unit
Outdoor
3.5
4
Cooling
5**
Notes:
1. * First letter may be "A" or "T".
2. ** Factory setting.
3. Continuous Fan Setting: Heating or cooling airflow is approximately 50% of selected cooling value.
4. For variable speed low speed airflows are approximately 30% of listed values.
5. LOW 350 cfm/ton is recommended for variable speed application for COMFORT & HUMID CLIMATE setting; NORMAL is 400 cfm/ton;
HIGH 450 cfm/ton is for DRY CLIMATE setting.
TIC DIAGRAMS FOR GAS FURNACESTIC DIAGRAMS FOR GAS FURNACES
TIC DIAGRAMS FOR GAS FURNACES
TIC DIAGRAMS FOR GAS FURNACESTIC DIAGRAMS FOR GAS FURNACES
PUB. NO. 22-1802-03
14
Page 15
Field
Wiring
FIELD WIRING DIAGRAM FOR VARIABLE SPEED 2 STAGE FURNACE
1 STAGE HEATING
USING A 1 STAGE HEATING THERMOSTAT
NO COOLING
1. Be sure power agrees with equipment nameplates.
2. Low voltage (24 volt wiring) to be No. 18 A.W.G. min.
3. Grounding of equipment must comply with local codes.
4. Set thermostat heat anticipator per unit wiring diagram.
5. These leads provide 115V. power for connection of humidifier
MAX. load 1.0 amp.
6. When a single stage heating thermostat without fan switch
is used, no wiring on "G" terminal is used.
7. W1 and W2 must be jumpered together for proper operation.
Second stage heat will begin 10 minutes after first stage.
8. Set dip switches with power off per installation instructions
to set airflow and indoor fan off delays.
9. Continuous fan airflow can be increased by adding this jumper.
10. This wire is only for thermostats requiring connection to
transformer common terminal.
11. Optional humidistat is to be connected between R and BK. Factory installed jumper R
to BK on the circuit board must be cut if optional humidistat is used. The jumper must
SEE
NOTE 9
W1 TO W2.
2ND STAGE WILL FIRE
also be cut when applying an airflow command signal to the BK input such as with the
variable speed single-zone and multi-zone system controllers. On single speed cooling
only/non-heat pump systems, jumper Y to O for proper operation of the delay profiles
and the humidistat. For two compressor or two speed systems, jumper YLo to O.
SEE
NOTE 6
Y1/Ylo
W14
W14 JUMPER
SEE NOTE 11
FIELD ADDED JUMPER
10 MINUTES AFTER 1ST.
SEE
B/C
NOTE 10
B/C
TO 115 V 1 PH.,
60 HZ., POWER
SUPPLY PER
LOCAL CODES
HUM SEE
NOTE 5
15
From Dwg. B342027 Rev. 0
PUB. NO. 22-1802-03
Page 16
Field
Wiring
FIELD WIRING DIAGRAM FOR VARIABLE SPEED 2 STAGE FURNACE
2 STAGE HEATING
USING A 2 STAGE HEATING THERMOSTAT
NO COOLING
1. Be sure power agrees with equipment nameplates.
2. Low voltage (24 volt wiring) to be No. 18 A.W.G. min.
3. Grounding of equipment must comply with local codes.
4. Set thermostat heat anticipator per unit wiring diagram.
5. These leads provide 115V. power for connection of humidifier
MAX. load 1.0 amp.
6. This wire is only for thermostats requiring connection to
transformer common terminal.
7. Continuous fan airflow can be increased by adding this jumper.
8. Set dip switches with power off per installation instructions
to set airflow and indoor fan off delays.
9. Optional humidistat is to be connected between R and BK. Factory
installed jumper R to BK on the circuit board must be cut if optional
humidistat is used. The jumper must also be cut when applying an airflow
command signal to the BK input such as with the variable speed single-zone
and multi-zone system controllers. On single speed cooling only/non-heat pump
systems, jumper Y to O for proper operation of the delay profiles and the humidistat.
For two compressor or two speed systems, jumper YLo to O.
Y1/Ylo
W14
W14 JUMPER
SEE NOTE 9
SEE
NOTE 7
SEE
B/C
PUB. NO. 22-1802-03
NOTE 6
B/C
TO 115 V 1 PH.,
60 HZ., POWER
SUPPLY PER
LOCAL CODES
HUM SEE
NOTE 5
From Dwg. B342025 Rev. 0
16
Page 17
OUTDOOR UNIT
(NO TRANSFORMER)
Field
Wiring
FIELD WIRING DIAGRAM FOR VARIABLE SPEED 2 STAGE FURNACE
1 STAGE HEATING, 1 STAGE COOLING
USING A 1 STAGE HEATING, 1 STAGE COOLING THERMOSTAT
(OUTDOOR SECTION WITHOUT TRANSFORMER)
W14
W14 JUMPER
SEE NOTE 9
Y1/Ylo
SEE
NOTE 7
B/C
SEE
NOTE 6
B/C
FIELD ADDED JUMPER
W1 TO W2.
2ND STAGE WILL FIRE
10 MINUTES AFTER 1ST.
TO 115 V 1 PH.,
60 HZ., POWER
SUPPLY PER
LOCAL CODES
HUM SEE
NOTE 5
From drawing B342022 Rv 0
17
PUB. NO. 22-1802-03
Page 18
OUTDOOR UNIT
(NO TRANSFORMER)
Field
Wiring
FIELD WIRING DIAGRAM FOR VARIABLE SPEED 2 STAGE FURNACE
2 STAGE HEATING, 1 STAGE COOLING
USING A 2 STAGE HEATING, 1 STAGE COOLING THERMOSTAT
(OUTDOOR SECTION WITHOUT TRANSFORMER)
W14
SEE
NOTE 9
SEE
NOTE 7
Y1/Ylo
W14 JUMPER
SEE NOTE 9
SEE
B/C
PUB. NO. 22-1802-03
NOTE 6
B/C
TO 115 V 1 PH.,
60 HZ., POWER
SUPPLY PER
LOCAL CODES
HUM SEE
NOTE 5
18
From Dwg. B342020 Rev. 0
Page 19
OUTDOOR UNIT NO. 1
(NO TRANSFORMER)
SEE NOTE 3
Field
Wiring
FIELD WIRING DIAGRAM FOR VARIABLE SPEED 2 STAGE FURNACE
2 STAGE HEATING, 2 STAGE COOLING
(OUTDOOR SECTION WITHOUT TRANSFORMER)
W14
OUTDOOR UNIT NO. 2
(NO TRANSFORMER)
B/C
SEE
NOTE 7
SEE
NOTE 6
B/C
TO 115 V 1 PH.,
60 HZ., POWER
SUPPLY PER
LOCAL CODES
HUM SEE
NOTE 5
From Dwg. B342018 Rev. 0
19
PUB. NO. 22-1802-03
Page 20
Dimensions
(ALL DIMENSIONS ARE IN INCHES)
*UD2 OUTLINE DRAWING
17-1/2"9-5/8"16-1/4"16"16"
MODELDIM "A"DIM "B"DIM "C"DIM "D"DIM "E"
*UD2B060AFV32A
*UD2B080AFV32A
*UD2B100AFV32A
*UD2C080AFV42A21"13-1/16"19-3/4"19-1/2"19-1/2"
*UD2D120AFV52A24-1/2"15-5/16"23-1/4"23"23"
* PREFIX LETTER MAY BE "A" OR "T"
Bottom Return ONLY
Page 21
NOTES
Page 22
Trane
6200 Troup Highway
Tyler, TX 75707
www.trane.com
Since Trane has a policy of continuous product improvement, it reserves the right to change design and
specifications without notice.
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