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UH1-DH1-SF-1L

Service Facts

11

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

*UH1B040A9241C

4 - 
3 -
2 -
1 -

HIGH - Black
MED.-HIGH - Blue
MED.-LOW - Yellow**
LOW - Red

1043

940
837
729

992
895
798
694

930
841
752
657

885
791
705
600

812
726
649
545

740
650
560
478

647
559
438
376

518
420
305
220

457
390
279
178

*UH1B060A9361C

4 - 
3 -
2 -
1 -

HIGH - Black
MED.-HIGH - Blue**
MED.-LOW - Yellow
LOW - Red

1359
1232
1077

926

1313
1199
1054

913

1264
1161
1027

895

1204
1116

994
871

1144
1065

953
836

1079
1004

904
792

1004

934
845
733

919
852
768
670

812
744
666
570

*UH1B080A9421C

4 - 
3 -
2 -
1 -

HIGH - Black
MED.-HIGH - Blue**
MED.-LOW - Yellow
LOW - Red

1646
1366
1175
1004

1611
1356
1159

994

1573
1337
1145

997

1530
1311
1130

982

1477
1280
1108

963

1421
1243
1081

943

1360
1197
1045

907

1289
1139

993
866

1200
1060

929
824

*UH1C080A9601C

4 - 
3 -
2 -
1 -

HIGH - Black
MED.-HIGH - Blue
MED.-LOW - Yellow**
LOW - Red

2235
1921
1618
1334

2194
1904
1604
1331

2152
1888
1591
1327

2105
1861
1577
1320

2057
1835
1563
1313

1987
1797
1539
1290

1916
1760
1515
1266

1836
1698
1466
1229

1757
1636
1416
1192

*UH1C100A9481C

4 - 
3 -
2 -
1 -

HIGH - Black
MED.-HIGH - Blue**
MED.-LOW - Yellow
LOW - Red

1982
1892
1759
1593

1912
1832
1712
1557

1836
1765
1660
1521

1761
1696
1604
1485

1679
1621
1536
1433

1593
1538
1465
1370

1496
1446
1383
1294

1389
1342
1275
1182

1267
1205
1149
1068

*UH1D100A9601C

4 - 
3 -
2 -
1 -

HIGH - Black
MED.-HIGH - Blue
MED.-LOW - Yellow**
LOW - Red

2339
2045
1719
1436

2287
2021
1703
1430

2235
1996
1693
1430

2168
1947
1671
1414

2100
1897
1649
1398

2021
1836
1607
1372

1941
1774
1565
1344

1858
1701
1498
1287

1773
1629
1431
1230

*UH1D120A9601C

4 - 
3 -
2 -
1 -

HIGH - Black
MED.-HIGH - Blue**
MED.-LOW - Yellow
LOW - Red

2380
2042
1695
1402

2334
2029
1690
1404

2287
2016
1684
1406

2241
1984
1668
1397

2193
1952
1652
1387

2118
1892
1627
1358

2043
1830
1601
1328

1956
1771
1545
1285

1870
1712
1489
1242

 *= First letter may be "A" or "T"
** = Factory Set Heat Speed Tap Setting

CFM VS. TEMPERATURE RISE

MODEL

Cubic Feet Per Minute (CFM)

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

*UH1B040A9241C

59

50

44

39

35

*UH1B060A9361C

59

53

48

44

41

38

*UH1B080A9421C

64

59

54

50

47

44

41

*UH1C080A9601C

64

59

54

50

47

44

41

*UH1C100A9481C

68

63

59

55

52

49

46

44

*UH1D100A9601C

68

63

59

55

52

49

46

44

42

40

38

37

*UH1D120A9601C

70

66

62

59

56

53

50

48

46

44

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

Summary of Contents for DH1B040A9241C Series

Page 1: ...tal 60 000 57 000 30 60 95 94 2 DIRECT 10 x 7 1 4 See Fan Performance Table 1 3 1075 115 1 60 Centrifugal Direct 1 1 15 3450 115 1 60 1 75 No High Velocity 1 17x25 1in 2 Round Aluminized Steel Type I...

Page 2: ...ltiport Inshot 6 115 1 60 12 9 20 1 2 H x W x D 41 3 4 x 26 1 2 x 30 1 2 205 193 UH1D100A9601C Upflow Horizontal 97 000 92 150 35 65 95 94 2 DIRECT 11 x 10 1 4 See Fan Performance Table 3 4 1100 115 1...

Page 3: ...t Inshot 6 115 1 60 12 9 20 1 2 H x W x D 41 3 4 x 26 1 2 x 30 1 2 205 193 DH1C085A9481C Downflow Horizontal 80 000 76 000 30 60 95 0 DIRECT 11 x 10 1 4 See Fan Performance Table 1 2 1075 115 1 60 Cen...

Page 4: ...l be de energized The indoor blower motor will continue to run for the fan off period Field selectable at 60 100 140 or 180 seconds then be de energized by the control module CARBON MONOXIDE POISONING...

Page 5: ...erate fiber concentrations requiring additional respiratory protection Use the appropriate NIOSH approved respirator in these situations FIRST AID MEASURES Eye Contact Flush eyes with water to remove...

Page 6: ...6 UH1 DH1 SF 1L Service Facts continued on next page WIRING DIAGRAM From Dwg D345803P01 Rev A...

Page 7: ...UH1 DH1 SF 1L Service Facts 7 SCHEMATIC DIAGRAM From Dwg D345803P01 Rev A...

Page 8: ...8 UH1 DH1 SF 1L Service Facts continued on next page WIRING DIAGRAM From Dwg D345804P01 Rev A...

Page 9: ...UH1 DH1 SF 1L Service Facts 9 SCHEMATIC DIAGRAM From D345804P01 Rev A...

Page 10: ...cover 6 to 8 screws and the top burner bracket Lift burners from orifices NOTE Be careful NOT to break igniter when removing burn ers Clean burners with brush and or vacuum cleaner Reassemble parts b...

Page 11: ...7 1636 1416 1192 UH1C100A9481C 4 3 2 1 HIGH Black MED HIGH Blue MED LOW Yellow LOW Red 1982 1892 1759 1593 1912 1832 1712 1557 1836 1765 1660 1521 1761 1696 1604 1485 1679 1621 1536 1433 1593 1538 146...

Page 12: ...460 375 561 462 378 308 459 363 286 235 DH1B065A9421C 4 3 2 1 HIGH Black MED HIGH Blue MED LOW Yellow LOW Red 1501 1442 1346 1225 1453 1393 1308 1197 1402 1341 1263 1160 1344 1285 1212 1116 1283 1227...

Page 13: ...ing External Gas Valve Circuit Fault 25 8 Flash Troubleshooting Low Flame Sense Fault 26 9 Flash Troubleshooting Igniter Relay Fault 27 Furnace PSC Fan Motor No Air Flow The following pages include tr...

Page 14: ...cles 10 Cir Blower on Delay Heat 45 Seconds Cir Blower on Delay Cool 2 Seconds IND Output 2 2FLA 3 5 LRA 120VAC Humidifier Air Cleaner Max Load 1 0 A 120VAC For upflow models replace with part CNT0754...

Page 15: ...t Continuous ON Replace IFC Continuous OFF Check Power 2 Flashes System Lockout Retries or Recycles exceeded 3 Flashes Pressure Switch Error 4 Flashes Open High Limit Device 5 Flashes Flame sensed whe...

Page 16: ...ge present from transformer and fuse good YES NO Repair low voltage wiring replace transformer or fuse as needed Repair high voltage connection to unit What is the fault light flash code See FAULT LED...

Page 17: ...heck operation YES Disconnect electrical power to furnace Connect manometer to oulet gas pressure connector NO Cycle power to furnace and call for heat YES DEFINITION RETRY Lock Out 3 unsuccessful tri...

Page 18: ...18 UH1 DH1 SF 1L Service Facts...

Page 19: ...e switch is okay Re attach wire to PS NO Note 1 24 volts Open Switch 0 volts Closed Switch DEFINITION An error has occurred with the P S The error will be reported indicating that the pressure switch...

Page 20: ...r temperature above 85 F NO Return air temperature is above max limit YES Check for loose insulation or other objects within furnace air stream NO Is outlet manifold gas pressure within specifications...

Page 21: ...rom burners impinging on sides of heat exchanger NO YES When fan comes on do flames stay consistent Replace heat exchanger Check operation NO Replace Roll out switch Check operation YES DEFINITION Lim...

Page 22: ...iping per installation instructions Using a back up wrench install new gas valve Check operation Inspect gas supply for leaks and have gas supplier check gas quality Are there signs of moisture or deb...

Page 23: ...to furnace YES Reverse 120 vac power leads to furnace wiring Reconnect power Check operation Connect volt meter to black incoming and chassis ground at burner box NO Does meter read 120 vac Disconnec...

Page 24: ...Circuit Error 24 volts is present when it should not be present Is 24 VAC nominal voltage present between Red lead at gas valve connection to chassis ground Turn Comfort Control to OFF position Correc...

Page 25: ...es with flame sensor Meter must be set up for DC micro amp scale Is flame current measured less than 1 0 micro amp DC Cycle power to furnace and call for heat Replace flame sensor Check operation Is f...

Page 26: ...ted Verify igniter harness is not damaged and connectors are tight Disconnect igniter and check resistance Is resistance reading between 37 70 ohms at 75F NO Replace ignitor Check operation YES 9 Flas...

Page 27: ...r Is fuse blown YES Replace fuse NO Is 24 VAC measured between G and B C at the low voltage connections Check thermostat and wiring to thermostat YES NO Is line voltage measured between motor common a...

Page 28: ...it reserves the right to change design and specifications without notice Trane 6200 Troup Highway Tyler TX 75707 For more information contact your local dealer distributor Literature Order Number UH1...

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