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Page 9

BLOWER DATA Cont.

G60UH−60C−110 

with 1 hp

 PERFORMANCE − Bottom Return Air, Side Return Air with Optional RAB Return Air Base, Re-

turn Air from Both Sides or Return Air from Bottom and One Side.

External Static

Air Volume / Watts at Different Blower Speeds

External Static

Pressure

High

Medium−High

Medium−Low

Low

in. w.g.

Pa

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

.00

0

2555

1205

1378

2300

1085

1027

1985

935

863

1655

780

678

.10

25

2490

1175

1354

2265

1070

1002

1980

935

839

1640

775

667

.20

50

2420

1140

1330

2225

1050

980

1975

930

832

1635

770

660

.30

75

2355

1110

1300

2175

1025

957

1945

915

810

1625

765

653

.40

100

2275

1075

1265

2115

1000

934

1915

905

785

1620

765

639

.50

125

2175

1025

1229

2040

960

903

1860

875

762

1595

750

623

.60

150

2085

985

1199

1965

925

873

1800

850

733

1565

740

608

.70

175

1990

940

1140

1870

880

843

1730

815

714

1525

720

590

.80

200

1890

890

1105

1770

835

807

1630

770

676

1455

685

567

.90

225

1760

830

1067

1655

780

777

1535

725

649

1370

645

541

NOTE − All air data is measured external to unit with 1 in. (25 mm) cleanable filter (not furnished − field provided) in place. Also see Filter Air Resistance table.

G60UH−60C−110 

with 1 hp

 PERFORMANCE − Single Side Return Air − Air volumes in bold require field fabricated transition

to accommodate 20 x 25 x 1 in. (508 x 635 x25 mm) cleanable air filter in order to maintain proper air velocity.

External Static

Air Volume / Watts at Different Blower Speeds

External Static

Pressure

High

Medium−High

Medium−Low

Low

in. w.g.

Pa

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

.00

0

2385

1125

1296

2185

1030

981

1915

905

836

1650

780

686

.10

25

2330

1100

1274

2150

1015

961

1900

895

815

1635

770

677

.20

50

2255

1065

1234

2095

990

930

1885

890

794

1625

765

664

.30

75

2190

1035

1207

2035

960

902

1855

875

769

1620

765

651

.40

100

2115

1000

1179

1970

930

876

1820

860

751

1605

755

639

.50

125

2055

970

1156

1905

900

853

1760

830

725

1575

745

622

.60

150

1985

935

1141

1830

865

827

1705

805

704

1525

720

602

.70

175

1910

900

1119

1745

825

797

1635

770

680

1475

695

582

.80

200

1810

855

1088

1650

780

772

1560

735

659

1430

675

571

.90

225

1715

810

1058

1570

740

751

1485

700

638

1355

640

549

NOTE − All air data is measured external to unit with 1 in. (25 mm) cleanable filter (not furnished − field provided) in place. Also see Filter Air Resistance table.

G60UH−60D−135 

with 1 hp

 PERFORMANCE − Bottom Return Air, Side Return Air with Optional RAB Return Air Base, Re-

turn Air from Both Sides or Return Air from Bottom and One Side.

External Static

Air Volume / Watts at Different Blower Speeds

External Static

Pressure

High

Medium−High

Medium−Low

Low

in. w.g.

Pa

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

.00

0

2715

1280

1407

2255

1065

1070

1910

900

850

1660

785

674

.10

25

2640

1245

1403

2250

1060

1030

1900

895

834

1645

775

668

.20

50

2540

1200

1355

2245

1060

1006

1890

890

821

1630

770

665

.30

75

2480

1170

1319

2200

1040

975

1890

890

781

1625

765

656

.40

100

2390

1125

1282

2155

1015

940

1885

890

775

1615

760

642

.50

125

2320

1095

1251

2085

985

904

1860

875

758

1605

755

631

.60

150

2205

1040

1210

2020

955

876

1815

855

731

1595

750

611

.70

175

2080

980

1161

1935

915

839

1760

830

707

1545

730

588

.80

200

2010

950

1122

1855

875

810

1690

795

679

1495

705

568

.90

225

1880

885

1071

1755

830

781

1585

745

646

1430

675

545

NOTE − All air data is measured external to unit with 1 in. (25 mm) cleanable filter (not furnished − field provided) in place. Also see Filter Air Resistance table.

Summary of Contents for G60UHX Series

Page 1: ...tion only and do not supersede or replace local or state codes In the absence of local or state codes the guidelines and procedures outlined in this manual except where noted are recommendations only...

Page 2: ...A 2F C33 38A 2F Horizontal CH33 18A 2F CH33 24 30A 2F CH33 36A 2F Electrical characteristics 120 volts 60 hertz 1 phase less than 12 amps OPTIONAL ACCESSORIES MUST BE ORDERED EXTRA Air Filter and Rack...

Page 3: ...tal CH33 36B 2F CH33 42B 2F CH33 44 48B 2F CH33 36C 2F CH33 48C 2F CH33 50 60C 2F Electrical characteristics 120 volts 60 hertz 1 phase less than 12 amps OPTIONAL ACCESSORIES MUST BE ORDERED EXTRA Air...

Page 4: ...f filters Horizontal end 87L97 1 20 x 25 x 1 in 508 x 635 x 25 mm 87L97 1 20 x 25 x 1 in 508 x 635 x 25 mm 87L98 1 25 x 25 x 1 in 635 x 635 x 25 mm Side Return Single 44J22 or Ten Pack 66K63 1 16 x 25...

Page 5: ...010 475 400 860 405 350 675 320 270 0 50 125 975 460 390 840 395 340 660 310 265 0 60 150 940 445 375 805 380 325 640 300 255 0 70 175 890 420 360 755 355 305 605 285 240 0 80 200 830 390 340 700 330...

Page 6: ...535 1070 505 430 910 430 350 0 20 50 1490 705 670 1295 610 525 1065 505 420 900 425 340 0 25 62 1465 690 655 1280 605 510 1060 500 415 890 420 335 0 30 75 1440 680 645 1260 595 495 1050 495 405 880 4...

Page 7: ...5 1150 545 520 0 30 75 1820 860 765 1580 745 675 1330 630 590 1145 540 515 0 40 100 1740 820 725 1530 720 635 1320 625 560 1140 540 490 0 50 125 1665 785 695 1475 695 600 1285 605 525 1120 530 470 0 6...

Page 8: ...15 37 2350 1110 1165 2230 1050 1025 2070 975 900 1830 865 755 0 20 50 2310 1090 1150 2195 1035 1010 2045 965 890 1805 850 745 0 25 62 2265 1070 1135 2155 1015 995 2010 950 875 1785 840 735 0 30 75 22...

Page 9: ...5 2330 1100 1274 2150 1015 961 1900 895 815 1635 770 677 20 50 2255 1065 1234 2095 990 930 1885 890 794 1625 765 664 30 75 2190 1035 1207 2035 960 902 1855 875 769 1620 765 651 40 100 2115 1000 1179 1...

Page 10: ...E HIGH ALTITUDE MANIFOLD PRESSURE INFORMATION Altitude Manifold Pressure t ll ltit d Model Input Gas 0 4500 ft 0 1372 m 4 501 7500 ft 1373 2286 m 7501 10 000 ft 2286 3048 m at all altitudes Input Size...

Page 11: ...Circuit Breaker Gasket Flue Box Gasket Limit Shield Secondary Limit s NOx Units Only Air Deflector G60UH 60C 110 Units Only Blower Motor Capacitor Flame Sensor Gas Valve Burners Ignitor Flame Rollout...

Page 12: ...R CB8 PRESS TO RESET WARNING Shock hazard Disconnect power before servicing Integrated Control Board is not field repairable If control is inoperable simply replace entire control Can cause injury or...

Page 13: ...Fan off Delay The fan on time of 45 seconds is not adjustable Fan off time time that the blower operates after the heat demand has been satis fied can be adjusted by flipping the dip switches 1 and 2...

Page 14: ...sformer LINE Line PARK For Unused Leads COOL Cooling Speed EAC Electronic Air Cleaner HI HEAT HIigh Heat Speed LO HEAT Low Heat Low Cool and Continuous Fan Speed TABLE 4 Integrated Control Board 5 Pin...

Page 15: ...to board OFF ON Circuit board failure or control wired incorrectly Check 24 and 115 volts to board FAST FLASH SLOW FLASH Main power polarity reversed Switch line and neutral SLOW FLASH FAST FLASH Low...

Page 16: ...ICROAMPS DROP OUT SIGNAL 0 16 MICROAMPS 5 16 7 Ignitor The SureLight ignitor is made of durable silicon nitride Ig nitor longevity is enhanced by controlling voltage to the ig nitor The board finds th...

Page 17: ...sket and combustion air inducer then reinstall the mounting screws See figure 8 Use the provided wire tie to bundle the pressure switch wires with the inducer motor power leads Route the wires away fr...

Page 18: ...ustment screw is located on the valve LPG change over kit s are available from Lennox Kits include burner orifices and a gas valve regulator conversion kit 13 Combustion Air Inducer Prove Switch S18 G...

Page 19: ...Turn knob on gas valve clockwise to OFF Do not force See figure 11 7 Wait five minutes to clear out any gas If you then smell gas STOP Immediately call your gas supplier from a neighbor s phone Follow...

Page 20: ...s Leak Detector is strongly recommended It is available through Lennox under part number 31B2001 See Corp 8411 L10 for further details Do not use matches candles flame or any other source of ignition...

Page 21: ...Seconds for One Revolution G60UH Natural LP G60UH Unit 1 cu ft Dial 2 cu ft Dial 1 cu ft Dial 2 cu ft DIAL 45 82 164 205 410 70 55 110 136 272 90 41 82 102 204 110 33 66 82 164 135 27 54 68 136 Natur...

Page 22: ...perates continuously With fan switch in AUTO position blower cycles with demand or runs continuously while heating or cooling circuit cycles 3 Depending on the type of indoor thermostat blower and ent...

Page 23: ...elocity air flow C Flue And Chimney Check the flue pipe chimney and all connections for tight ness and to make sure there is no blockage D Electrical 1 Check all wiring for loose connections 2 Check f...

Page 24: ...er section Vacuum debris from bottom open ings 14 Replace collector box and combustion air inducer Check gaskets for damage Damaged gaskets must be replaced to avoid heat exchanger leaks Replace all s...

Page 25: ...Page 25 VII Wiring and Sequence of Operation G60UH 1 2 3...

Page 26: ...Page 26 G60UH 4 5...

Page 27: ...stage heat ignitor de energizes 5 After 45 second delay indoor blower B3 is energized on low heat speed The furnace will stay in this mode until first stage de mand is satified OR a second stage heat...

Page 28: ...PRIMARY AND SECONDARY LIMIT SWITCHES CLOSED YES NO COMBUSTION AIR INDUCER OFF INDOOR BLOWER ON HAS PRIMARY OR SECONDARY LIMIT RESET WITHIN 3 MINUTES DS1 SLOW FLASH DS2 ON ROLLOUT SWITCH CLOSED GAS VAL...

Page 29: ...PLACED OR RECONNECTED DS1 AND DS2 ALTERNATING FAST FLASH YES AT END OF IGNITOR 20 SECOND WARM UP PERIOD 4 SECOND TRIAL FOR IGNITION GAS VALVE OPENS IGNITOR ENERGIZED DURING 4 SECOND TRIAL UNTIL FLAME...

Page 30: ...FF AFTER DELAY DS1 OFF DS 2 SLOW FLASH NO YES C FIRST STAGE HEAT DEMAND SATISFIED DS1 AND DS2 SIMULTANEOUS SLOW FLASH GAS VALVE OFF COMBUSTION AIR INDUCER OFF FOLLOWING POST PURGE INDOOR BLOWER OFF WI...

Page 31: ...PERIOD IS INITIATED BEFORE RETRY WERE 5 ATTEMPTS MADE FOR SECOND STAGE HEAT YES NO SEE BOX C FIRST STAGE HEAT DEMAND SATISFIED HEAT DEMAND SATISFIED DS1 AND DS2 SIMULTANEOUS FAST FLASH YES TWO STAGE...

Page 32: ...FAN SELECTION MADE AT THERMOSTAT AFTER 2 SECOND DELAY INDOOR BLOWER IS ENERGIZED ON CONTINUOUS FAN SPEED LOW HEAT LOW COOL THERMOSTAT CALLS FOR FIRST STAGE HEAT THERMOSTAT CALLS FOR FIRST STAGE COOL...

Page 33: ...ON 10 minutes OFF 15 minutes SINGLE Leave Installed S1 T STAT CONTROL TERM STRIP OUTDOOR UNIT HSXB15 LSOM 1 Heat 2 Cool NOTE Use dip switch 3 to set second stage heat ON delay ON 10 minutes OFF 15 mi...

Page 34: ...ump 1 Cool SINGLE Leave Installed CONTROL TERM STRIP FM21 75VA 24V TRANSFORMER Disconnect existing furnace transformer and re place with 75VA 24V trans former if defrost option to be used NOTE Wiring...

Page 35: ...nsformer output is 24V Replace if defective 1 1 6 Failed control board ACTION 1 If all the above items have been checked replace board 1 2 Diagnostic lights flash the reverse ACTION 1 Check the 120V h...

Page 36: ...iagnostic lights flash the pressure 2 2 1 Miswiring of furnace or improper con nections to combustion air inducer ACTION 1 Check for correct wiring and loose connections Correct wiring and or replace...

Page 37: ...ired LED 2 Slow Flash 4 1 4 Condensate in pressure switch line ACTION 1 Check pressure switch line for con densate Remove condensate from line 4 1 5 Pressure switch does not close due to a low differe...

Page 38: ...ure switch code LED 1 Off LED 2 Slow Flash 6 1 1 Low pressure differential at the pres sure switch ACTION 1 Check for restricted exhaust vent Remove all blockage ACTION 2 Check for proper vent sizing...

Page 39: ...estrictions in the heat exchanger assembly Clean assembly as outlined in instruction manu al ACTION 2 Check for proper combustion See IV Heating System Service Checks section G 6 3 4 Burners are not p...

Page 40: ...improperly located on the burner ACTION 1 Check the sense rod for proper loca tion on the burner Properly locate the sense rod or replace if rod cannot be located correctly code LED 1 Slow Flash LED 2...

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