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246755-YTG-D-0407

2

Unitary Products Group

Annual Fuel Utilization Efficiency (AFUE) numbers are determined in accordance with DOE Test procedures.
Wire size and over current protection must comply with the National Electrical Code (NFPA-70-latest edition) and all local codes.
The furnace shall be installed so that the electrical components are protected from water.

 

26-3/4

1-1/2

1-1/4

C

20

5/8

5/8

B

24-3/4

FRONT

BOTTOM IMAGE

RETURN END

TOP IMAGE

SUPPLY END

D

4” Diameter

LEFT SIDE

RIGHT SIDE

20

30-1/8

14-3/4

5-3/8

(VENT CONNECTIONS)

POWER WIRING
7/8” HOLE

2-1/2

ACCESS
WIRING
7/8” K.O.

16

8-3/4

T’STAT WIRING
7/8” K.O.

1-1/8

2-1/4

14

23-1/2

32-1/2

2

13-3/4

GAS INLET
1-1/4 x 2-1/2

4” Diameter

A

40

B

3/4

CABINET AND DUCT DIMENSIONS

Models

CFM

Cabinet Size

Cabinet Dimension

A

B

C

D

PT8A12N040UH11

1200

A

14 1/2

13 1/4

11 1/2

10 1/8

PT8A12(N,L)060UH11

1200

A

14 1/2

13 1/4

11 1/2

10 1/8

PT8A12(N,L)080UH11

1200

A

14 1/2

13 1/4

11 1/2

10 1/8

PT8B16(N,L)080UH11

1600

B

17 1/2

16 1/4

14 1/2

11 5/8

PT8C16(N,L)080UH11

1600

C

21

19 3/4

18

13 3/8

PT8B12N100UH11

1200

B

17 1/2

16 1/4

14 1/2

11 5/8

PT8C20(N,L)100UH11

2000

C

21

19 3/4

18

13 3/8

PT8C16N120UH11

1600

C

21

19 3/4

18

13 3/8

PT8C20(N,L)120UH11

2000

C

21

19 3/4

18

13 3/8

RATINGS & PHYSICAL / ELECTRICAL DATA

Models

Input/Cabinet

High/Low

Output BTU/H

High/Low

Nominal

Airflow

Cabinet Width

AFUE

Blower

Blower 

Size

MBH

MBH

CFM

In

Hp

Amps

In

PT8A12N040UH11

40/26

32/21

1200

14-1/2

80.0

1/2

7.7

10 x 8

PT8A12(N,L)060UH11

57/42

46/34

1200

14-1/2

80.0

1/2

7.7

10 x 8

PT8A12(N,L)080UH11

80/59

64/48

1200

14 1/2

80.0

1/2

7.7

10 x 8

PT8B16(N,L)080UH11

80/59

64/48

1600

17-1/2

80.0

3/4

11.5

10 x 10

PT8C16(N,L)080UH11

80/59

64/48

1600

21

80.0

3/4

11.5

10 x 10

PT8B12N100UH11

100/65

80/53

1200

17 1/2

80.0

1/2

11.5

10 x 10

PT8C20(N,L)100UH11

100/65

80/53

2000

21

80.0

1

14

11 x 10

PT8C16N120UH11

120/78

96/64

1600

21

80.0

3/4

11.5

11 x 10

PT8C20(N,L)120UH11

120/78

96/64

2000

21

80.0

1

14

11 x 11

Models

Input/Cabinet

High/Low

Max. Outlet 

Air Temp

Low Fire

Air Temp. Rise

High Fire

Air Temp. Rise

Unit 

Amps

Max 

Over-Current 

Protect

Min. wire Size 

(awg) @ 75 ft 

one way

Operation 

Weight

MBH

°F

°F

°F

Lbs

PT8A12N040UH11

40/26

150

15-45

20-50

9.0

20

14

107

PT8A12(N,L)060UH11

57/42

160

25-55

35-65

9.0

20

14

107

PT8A12(N,L)080UH11

80/52

175

30-60

40-70

9.0

20

14

117

PT8B16(N,L)080UH11

80/59

160

25-55

25-55

12.0

20

14

129

PT8C16(N,L)080UH11

80/59

160

25-55

25-55

12.0

20

14

130

PT8B12N100UH11

100/65

170

25-55

40-70

12.0

20

14

128

PT8C20(N,L)100UH11

100/65

170

25-55

40-70

12.0

20

14

145

PT8C16N120UH11

120/78

180

25-55

45-75

12.0

20

14

145

PT8C20(N,L)120UH11

120/78

170

25-55

35-65

14.0

20

12

147

Summary of Contents for PT8-UH

Page 1: ...rranty on commercial applica tions 5 year limited parts warranty FEATURES Two stage heating operation includes Two stage gas valve Two stage inducer operation Two speed blower operation Provides increased comfort level very quiet unit oper ation Adjustable delay timer allows two stage operation with single stage thermostat Compact easy to install ideal height 40 cabinet Blower off delay for coolin...

Page 2: ... 13 3 8 RATINGS PHYSICAL ELECTRICAL DATA Models Input Cabinet High Low Output BTU H High Low Nominal Airflow Cabinet Width AFUE Blower Blower Size MBH MBH CFM In Hp Amps In PT8A12N040UH11 40 26 32 21 1200 14 1 2 80 0 1 2 7 7 10 x 8 PT8A12 N L 060UH11 57 42 46 34 1200 14 1 2 80 0 1 2 7 7 10 x 8 PT8A12 N L 080UH11 80 59 64 48 1200 14 1 2 80 0 1 2 7 7 10 x 8 PT8B16 N L 080UH11 80 59 64 48 1600 17 1 2...

Page 3: ...1690 1630 1570 1500 1430 1330 Medium 1470 1450 1440 1430 1390 1360 1310 1270 1220 1150 Low 1260 1260 1260 1260 1250 1200 1150 1110 1070 1010 PT8C16 N L 080UH11 High 2077 1992 1922 1830 1727 1617 1507 1355 1219 1050 Medium 1729 1673 1631 1581 1507 1421 1293 1187 1053 907 Low 1448 1452 1432 1390 1324 1264 1176 1058 939 774 PT8B12N100UH11 High 1700 1620 1560 1480 1390 1300 1210 1110 970 820 Medium Hi...

Page 4: ...080UH11 Low N A 900 900 890 870 850 800 730 670 560 High 2000 1960 1930 1900 1800 1760 1710 1640 1550 1460 Medium 1440 1440 1430 1420 1400 1380 1340 1300 1220 1150 Low 1220 1230 1230 1230 1200 1190 1170 1160 1110 1050 PT8C16 N L 080UH11 High 2172 2101 2028 1943 1854 1732 1621 1503 1344 1144 Medium 1640 1633 1626 1584 1518 1480 1378 1276 1125 965 Low 1388 1404 1412 1396 1362 1311 1222 1144 1001 827...

Page 5: ...lter manufacturer NOTES 1 Air velocity through throwaway type filters may not exceed 300 feet per minute All velocities over this require the use of high velocity filters 2 Air flows above 1800 CFM require either return from two sides or one side plus bottom RECOMMENDED FILTER SIZES Cabinet Size Side in Bottom in A 16 x 25 14 x 25 B 16 x 25 16 x 25 C 2 16 x 25 20 x 25 FILTER PERFORMANCE PRESSURE D...

Page 6: ...nce 1180 1250 70 CFM 12 m3 min Subtract the total system static from 0 50 w c 125 Pa and divide this difference by the difference in ESP values in the table 0 60 w c 150 Pa 0 50 w c 125 Pa to obtain a percentage 0 58 0 50 0 60 0 50 0 8 Multiply percentage by airflow difference to obtain airflow reduction 0 8 X 70 56 Subtract airflow reduction value to airflow 0 50 w c 125 Pa to obtain actual airfl...

Page 7: ...tion Light E W1 First Stage Heat G Fan G Fan Connection of the C Termainal 24 Volt Common is optional when used with batteries Thermostat Installer Setup Number 1 System Type must be set to 6 2 Heat 2 Cool Conventional R 24 Volt Hot Heat XFMR W2 Second Stage Heat RC 24 Volt Hot Cool XFMR E W1 First Stage Heat G Fan DN22U00124 THERMOSTAT Y2 Second Stage Cool Y2 Second Stage Cool Y First Stage Cool ...

Page 8: ...tion Menu must be set to Heat Pump 2 Set W2 Delay on furnace to OFF HM Humidistat BSG Bonnet Sensor Bonnet Sensor Optional BS Bonnet Sensor W2 Second Stage Auxiliary Heat W2 Second Stage Auxiliary Heat AUX Auxiliary Heat E W1 First Stage Auxiliary Heat E W1 First Stage Auxiliary Heat W Auxiliary Heat Y2 Second Stage Heat Cool Y2 Second Stage Heat Cool Y2 Second Stage Heat Cool Y2 Second Stage Heat...

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