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Page 12

BLOWER DATA

G40UH−60D−155−1, −2, −3 with 3/4 hp motor PERFORMANCE − Single Side Return Air − Air volumes in bold require field fab-
ricated 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 Various 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

0.00

0

2230

1050

1080

2130

1005

945

1995

940

840

1830

865

745

0.05

12

2200

1035

1070

2105

990

935

1970

930

830

1810

855

735

0.10

25

2165

1025

1060

2075

980

930

1950

920

820

1795

845

725

0.15

37

2135

1005

1050

2040

965

915

1920

905

815

1765

835

720

0.20

50

2100

990

1035

2005

945

905

1890

895

805

1735

820

710

0.25

62

2050

965

1015

1975

930

895

1855

875

795

1705

805

700

0.30

75

2000

945

995

1940

915

880

1820

860

780

1675

790

690

0.40

100

1905

900

965

1860

875

850

1755

825

770

1630

770

680

0.50

125

1825

860

945

1780

840

830

1700

800

750

1555

735

660

0.60

150

1745

825

920

1690

795

805

1595

750

715

1495

705

645

0.70

175

1650

780

905

1610

760

785

1515

715

705

1430

675

625

0.80

200

1565

740

880

1520

715

755

1445

680

680

1330

630

605

0.90

225

1445

685

845

1385

655

720

1300

610

640

1225

580

575

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.

G40UH−60D−155 with 1 hp motor PERFORMANCE − Bottom Return Air, Side Return Air with Optional RAB Return Air Base,
Return 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

2670

1260

1386

2325

1095

1048

1970

930

857

1700

800

706

.10

25

2580

1215

1342

2320

1095

1045

1965

925

842

1690

795

696

.20

50

2510

1185

1311

2255

1065

985

1960

925

817

1640

775

662

.30

75

2425

1145

1277

2210

1040

953

1955

920

803

1635

770

649

.40

100

2345

1105

1246

2150

1015

922

1925

910

778

1630

770

633

.50

125

2255

1065

1217

2095

990

897

1890

890

752

1615

760

618

.60

150

2170

1025

1182

2010

950

863

1840

870

733

1590

750

605

.70

175

2090

985

1139

1925

910

833

1785

840

708

1550

730

588

.80

200

1895

895

1106

1840

870

806

1710

805

683

1500

705

571

.90

225

1855

875

1064

1740

820

776

1620

765

655

1430

675

551

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.

G40UH−60D−155 with 1 hp motor PERFORMANCE − Single Side Return Air − Air volumes in bold require field fabricated
transition to accommodate 20 x 25 x 1 in. (508 x 635 x 25 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

2410

1135

1282

2175

1025

987

1870

880

833

1620

765

675

.10

25

2335

1100

1257

2140

1010

956

1860

875

810

1610

760

667

.20

50

2255

1065

1225

2085

985

918

1855

875

788

1605

755

658

.30

75

2205

1040

1200

2025

955

896

1830

865

764

1600

755

647

.40

100

2120

1000

1164

1975

930

874

1795

845

742

1595

750

628

.50

125

2040

960

1131

1905

900

847

1745

825

731

1575

745

618

.60

150

1955

920

1103

1835

865

820

1695

800

698

1540

725

601

.70

175

1870

880

1069

1760

830

792

1635

770

673

1465

690

568

.80

200

1770

835

1041

1670

790

763

1560

735

646

1415

665

548

.90

225

1660

785

1006

1585

745

740

1480

700

629

1345

635

527

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 G40UHX Series

Page 1: ...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 recommended only and do not constitut...

Page 2: ...35 G40UH 60D 155 g Performance Low NOx Model No 60C 110X Input Btuh 110 000 110 000 110 000 132 000 132 000 154 000 Output Btuh 90 200 88 500 89 400 106 900 106 900 124 700 2 AFUE 80 0 80 0 80 0 80 0...

Page 3: ...33 62D 2F Horizontal CH33 36C 2F CH33 48C 2F CH33 50 60C 2F CH33 60D 2F CH33 62D 2F Electrical characteristics 120 volts 60 hertz 1 phase less than 12 amps OPTIONAL ACCESSORIES MUST BE ORDERED EXTRA A...

Page 4: ...with 1 in 25 mm cleanable filter not furnished field provided in place Also see Filter Air Resistance table G40UH 24A 070 PERFORMANCE External Static Air Volume Watts at Various Blower Speeds Externa...

Page 5: ...0 930 440 405 780 370 335 0 40 100 1285 605 610 1140 540 475 900 425 390 745 350 325 0 50 125 1215 575 580 1080 510 450 865 410 375 705 335 310 0 60 150 1150 545 560 1015 480 430 810 380 355 655 310 2...

Page 6: ...555 1265 595 459 40 100 1820 860 699 1670 790 611 1470 695 525 1255 590 443 50 125 1740 820 664 1600 755 575 1420 670 496 1215 575 414 60 150 1635 770 624 1530 720 544 1350 635 464 1175 555 400 70 17...

Page 7: ...t with 1 in 25 mm cleanable filter not furnished field provided in place Also see Filter Air Resistance table G40UH 48C 135 PERFORMANCE External Static Air Volume Watts at Various Blower Speeds Extern...

Page 8: ...filter not furnished field provided in place Also see Filter Air Resistance table G40UH 60C 110 1 2 3 with 3 4 hp motor PERFORMANCE Single Side Return Air Air volumes in bold require field fab ricated...

Page 9: ...le filter not furnished field provided in place Also see Filter Air Resistance table G40UH 60C 110 with 1 hp motor PERFORMANCE Single Side Return Air Air volumes in bold require field fabricated trans...

Page 10: ...able filter not furnished field provided in place Also see Filter Air Resistance table G40UH 60D 135 1 2 3 with 3 4 hp motor PERFORMANCE Single Side Return Air Air volumes in bold require field fab ri...

Page 11: ...5 791 1545 730 656 30 75 2235 1055 1234 2045 965 914 1820 860 774 1540 725 642 40 100 2160 1020 1240 1985 935 886 1800 850 755 1540 725 628 50 125 2065 975 1170 1925 910 863 1745 825 726 1535 725 614...

Page 12: ...s Watts 00 0 2670 1260 1386 2325 1095 1048 1970 930 857 1700 800 706 10 25 2580 1215 1342 2320 1095 1045 1965 925 842 1690 795 696 20 50 2510 1185 1311 2255 1065 985 1960 925 817 1640 775 662 30 75 24...

Page 13: ...pressure regulator setting Manifold Pressure Outlet in w g kPa FUEL ALTITUDE ft m FUEL 0 10 000 0 3048 Natural Gas 3 5 87 LPG Propane 10 0 2 49 HIGH ALTITUDE G40UH 1 1 High Altitude Orifice Kit Natur...

Page 14: ...Orifices Ignitor Bracket Burner Bottom Shield Limit Shield Secondary Limit as required NOx Units Only G40UH X PARTS ARRANGEMENT FIGURE 1 Gas Manifold 135 and 155 kBtuh units only Flame rollout switch...

Page 15: ...GURE 3 G40UH X HEATING COMPONENTS COMBUSTION AIR INDUCER PROVE SWITCH PRIMARY LIMIT PRIMARY LIMIT SHIELD GAS VALVE ROLLOUT SWITCHES MANIFOLD BURNER ASSEMBLY NOx Insert NOx Units Only HEAT EXCHANGER FL...

Page 16: ...NG Shock hazard Disconnect power before servicing Control is not field repairable If control is inoperable sim ply replace entire control Can cause injury or death Unsafe operation will result if repa...

Page 17: ...f 35 seconds After a total of five trials for ignition including the initial trial the control goes into Watchguard Flame Failure mode After a 60 min ute reset period the control will begin the igniti...

Page 18: ...OFF Circuit board failure or control wired incorrectly OFF ON y FAST FLASH SLOW FLASH Main power polarity reversed Switch line and neutral SLOW FLASH FAST FLASH Low flame signal See Table 15 for flam...

Page 19: ...nal designations See table 4 for troubleshooting diagnostic codes The mini nitride ignitor is made from a non porous high strength proprietary ce ramic material that provides long life and trouble fre...

Page 20: ...ote the supply air temperature at the instant the blower is de energized Adjust the fan off delay to achieve a supply air temperature between 90 110 at the instant the blower is de ener gized Longer d...

Page 21: ...ion air inducer may be rotated clockwise or counterclockwise by 90 to allow for vertical vent discharge in a horizontal application Remove the four mounting screws rotate the assembly assembly consist...

Page 22: ...HP motors have 2 flat sides and are matched with blower wheels with 2 set screws 10 Primary Limit Control S10 The primary limit S10 on G40UH X units is located in the heating vestibule panel When exc...

Page 23: ...3 Combustion Air Inducer Proving Switch S18 G40UH X series units are equipped with a combustion air proving switch located on the combustion air inducer orifice bracket The switch is connected to the...

Page 24: ...utes to clear out any gas If you then smell gas STOP Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instruc tions If you do not smell gas go to next step 8 Honeyw...

Page 25: ...ck gas line pressure with unit firing at maximum rate Low pres sure may result in erratic operation or underfire High pres sure can result in permanent damage to gas valve or over fire See table 12 fo...

Page 26: ...ate reading shut off all other gas appliances connected to meter IMPORTANT For safety shut unit off and remove manometer as soon as an accurate reading has been obtained Take care to replace pressure...

Page 27: ...S A Blower Operation and Adjustment NOTE The following is a generalized procedure and does not apply to all thermostat controls 1 Blower operation is dependent on thermostat control system 2 Generally...

Page 28: ...ning furnace Cleaning the heat exchanger requires a steel spring snake a reversible drill and a vacuum cleaner The steel spring snake may be constructed by purchasing a 4 ft long by 1 4 diameter steel...

Page 29: ...section DO NOT BEND 15 Replace burner manifold assembly onto vestibule panel 16 Reconnect wires to pressure switch roll out switch gas valve and combustion air inducer Refer to unit wiring diagram 17...

Page 30: ...or control goes into 5 minute Watchguard Pressure Switch delay Once S18 closes a 15 second pre purge follows 4 SureLight control A92 energizes ignitor A 20 sec ond warm up period begins 5 Gas valve op...

Page 31: ...SECOND GAS VALVE OFF COMBUSTION AIR INDUCER ON INDOOR BLOWER ON HEATING SPEED LED 1 SLOW FLASH LED 2 OFF GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY LED 1 OFF LED 2 SLOW FLA...

Page 32: ...GAS VALVE OFF COMBUSTION AIR INDUCER ON INDOOR BLOWER ON HEATING SPEED LED 1 SLOW FLASH LED 2 OFF GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY LED 1 OFF LED 2 SLOW FLASH Seque...

Page 33: ...LOWER OFF HAS CONTROL FAILED TO SENSE FLAME FOR FIVE CONSECUTIVE TRIES DURING A SINGLE HEAT DEMAND WATCHGUARD MODE GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY LEDs SIGNAL WAT...

Page 34: ...D SLOW FLASH RATE REMAINS UNCHANGED THROUGHOUT COOLING CYCLE THERMOSTAT CALLS FOR COOLING COMPRESSOR CONTACTOR AND SYSTEM FAN ENERGIZED WITH 0 SECOND DELAY COOLING SPEED EAC H TERM ENERGIZED COMPRESSO...

Page 35: ...S ENERGIZED THERMOSTAT CALLS FOR HEAT W THERMOSTAT CALLS FOR COOLING THERMOSTAT OPENS SYSTEM FAN SWITCHED TO COOL H SPEED EAC H TERM REMAINS ON THERMOSTAT OPENS CONTROL G ENERGIZES SYSTEM FAN AT HEAT...

Page 36: ...nto 5 minute Watchguard Pressure Switch delay Once S18 closes a 15 second pre purge follows 4 Ignition control A92 energizes ignitor A 20 second warm up period begins 5 Gas valve opens for a 4 second...

Page 37: ...INIMUM OF 1 SECOND GAS VALVE OFF COMBUSTION AIR INDUCER ON INDOOR BLOWER ON HEATING SPEED LED 1 SLOW FLASH LED 2 OFF GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY LED 1 OFF LED...

Page 38: ...DE GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY LEDs SIGNAL WATCHGUARD FAILURE CODE IS 60 MINUTE RESET PERIOD COMPLETE YES 4 SECONDS YES HAS CONTROL RESET IGNITION SEQUENCE FO...

Page 39: ...ROUGHOUT COOLING CYCLE THERMOSTAT CALLS FOR COOLING COMPRESSOR CONTACTOR AND SYSTEM FAN ENERGIZED WITH 2 SECOND DELAY COOLING SPEED EAC TERM ENERGIZED COMPRESSOR OFF THERMOSTAT OPENS SYSTEM FAN AND EA...

Page 40: ...ED THERMOSTAT CALLS FOR HEAT W THERMOSTAT CALLS FOR COOLING THERMOSTAT OPENS SYSTEM FAN SWITCHED TO COOL SPEED EAC TERM REMAINS ON THERMOSTAT OPENS MANUAL FAN SELECTION MADE AT THERMOSTAT CONTROL G EN...

Page 41: ...the top button ACTION 2 Determine the cause of the roll out switch activation before leaving furnace code LED 1 O 1 2 2 Roll out switch failure ACTION 1 Check continuity across roll out switch Replace...

Page 42: ...IT FAILS TO FIRE IN THE HEATING MODE COMBUSTION AIR BLOWER DOES NOT ENERGIZE Condition Possible Cause Corrective Action Comments 2 1 Unit operates with a cooling or contin uous fan demand Combustion a...

Page 43: ...a heating demand Diagnostic lights flash the pressure switch failure code 2 5 minutes after heating demand 3 1 2 Prove switch does not close due to obstructions in the pressure lines ACTION 1 Remove...

Page 44: ...e switch code LED 1 Off LED 2 Slow Flash 5 1 1 Low pressure differential at the prove switch ACTION 1 Check for restricted exhaust vent Remove all blockage ACTION 2 Check for proper vent sizing See in...

Page 45: ...exchanger openings Cor rect the location of the burners if necessary 5 4 Combustion air inducer energizes with a heating demand B li ht hl d th it 5 4 1 Poor Venting ACTION 1 Check vent pipe and remo...

Page 46: ...tion Comments 7 0 Indoor blower fails to operate in continuous fan cooling or heating mode 7 1 1 Miswiring of furnace or improper con nections at control or indoor blower motor ACTION 1 Correct wiring...

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