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Page 11

BLOWER DATA

G50UH−60C−110 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

2655

1250

1407

2370

1120

1063

2085

985

894

1665

785

679

.10

25

2580

1215

1376

2350

1110

1043

2065

975

875

1650

780

667

.20

50

2500

1180

1346

2305

1085

1012

2045

965

849

1645

775

662

.30

75

2410

1135

1305

2230

1050

978

2010

950

820

1640

775

649

.40

100

2320

1095

1270

2165

1020

947

1940

915

786

1625

765

634

.50

125

2225

1050

1235

2090

985

914

1895

895

763

1610

760

622

.60

150

2130

1005

1205

2000

945

880

1840

870

740

1570

740

603

.70

175

2030

955

1155

1915

905

851

1760

830

709

1535

725

590

.80

200

1925

910

1123

1820

860

823

1670

790

681

1475

695

566

.90

225

1795

845

1078

1690

795

788

1560

735

655

1395

660

537

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.

G50UH−60C−110 PERFORMANCE − Single Side Return Air − Air volumes in bold require field fabricated transition to accom-
modate 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

2430

1145

1309

2245

1060

1006

1910

900

843

1635

770

686

.10

25

2355

1110

1277

2190

1035

978

1905

900

817

1620

765

677

.20

50

2280

1075

1242

2140

1010

950

1885

890

797

1610

760

667

.30

75

2205

1040

1218

2075

980

924

1860

875

782

1605

755

655

.40

100

2130

1005

1189

2005

945

905

1815

855

752

1595

750

636

.50

125

2045

965

1159

1920

905

864

1750

825

726

1565

740

619

.60

150

1955

920

1132

1850

875

840

1700

800

705

1525

720

605

.70

175

1860

875

1105

1760

830

817

1610

760

674

1475

700

582

.80

200

1755

830

1067

1670

790

789

1540

725

654

1395

660

560

.90

225

1645

775

1033

1575

745

763

1445

680

627

1325

625

540

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.

G50UH−60D−135−1, −2, −3 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 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

2465

1165

1205

2325

1100

1060

2155

1015

930

1895

895

780

0.05

12

2430

1145

1195

2295

1085

1050

2125

1000

920

1875

885

770

0.10

25

2395

1130

1180

2265

1070

1040

2095

990

910

1855

875

765

0.15

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

2220

1050

1120

2115

1000

980

1975

930

865

1765

830

730

0.40

100

2120

1000

1080

2035

960

950

1915

905

845

1715

810

720

0.50

125

2050

970

1055

1955

925

925

1830

865

815

1645

775

700

0.60

150

1930

910

1015

1860

880

895

1745

825

795

1585

745

680

0.70

175

1835

865

985

1775

840

870

1655

780

770

1530

720

670

0.80

200

1720

810

955

1645

775

830

1560

735

745

1445

685

650

0.90

225

1595

755

925

1535

725

800

1455

685

720

1310

620

620

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.

Содержание G50UH Series

Страница 1: ...n 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 recommended only and do...

Страница 2: ...CH33 36B 2F CH33 42B 2F CH33 44 48B 2F Electrical characteristics 120 volts 60 hertz 1 phase less than 12 amps OPTIONAL ACCESSORIES MUST BE ORDERED EXTRA Air Filter and Rack Kit Number and size of fi...

Страница 3: ...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 Filter Rack Kit Horizontal end 87L96 1 18 x 25...

Страница 4: ...g Base Dimensions H x W x D 4 x 21 5 8 x 28 5 8 in 102 x 549 x 727 mm 4 x 24 5 8 x 28 5 8 in 102 x 625 x 727 mm Number and size of field provided fil ter 20 x 25 x 1 in 508 x 635 x25 mm 24 x 24 x 1 in...

Страница 5: ...6K63 1 16 x 25 x 1 406 x 635 x 25 EZ Filter Base Catalog Number Shipping Weight 73P57 8 lbs 4 kg 73P58 10 lbs 5 kg Base Dimensions H x W x D 4 x 21 5 8 x 28 5 8 in 102 x 549 x 727 mm 4 x 24 5 8 x 28 5...

Страница 6: ...with 1 in 25 mm cleanable filter not furnished field provided in place Also see Filter Air Resistance table G50UH 24A 070 PERFORMANCE External Static Air Volume Watts at Various Blower Speeds Externa...

Страница 7: ...h 1 in 25 mm cleanable filter not furnished field provided in place Also see Filter Air Resistance table G50UH 36B 090 PERFORMANCE External Static Air Volume Watts at Various Blower Speeds External St...

Страница 8: ...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...

Страница 9: ...t with 1 in 25 mm cleanable filter not furnished field provided in place Also see Filter Air Resistance table G50UH 48C 135 PERFORMANCE External Static Air Volume Watts at Various Blower Speeds Extern...

Страница 10: ...filter not furnished field provided in place Also see Filter Air Resistance table G50UH 60C 110 1 2 3 PERFORMANCE Single Side Return Air Air volumes in bold require field fabricated transition to acc...

Страница 11: ...60 667 30 75 2205 1040 1218 2075 980 924 1860 875 782 1605 755 655 40 100 2130 1005 1189 2005 945 905 1815 855 752 1595 750 636 50 125 2045 965 1159 1920 905 864 1750 825 726 1565 740 619 60 150 1955...

Страница 12: ...tts 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...

Страница 13: ...nable filter not furnished field provided in place Also see Filter Air Resistance table G50UH 60D 155 1 2 3 PERFORMANCE Single Side Return Air Air volumes in bold require field fabricated transition t...

Страница 14: ...r Air volumes in bold require field fabricated transition to accom modate 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...

Страница 15: ...10 0 2 49 HIGH ALTITUDE G50UH 1 1 High Altitude Orifice Kit Natural Gas Only High Altitude Prove Switch Kit LPG Propane Kit G50UH 1 to 14 Natural Gas Only 4501 7500 ft 1373 2286m 7501 10 000 ft 2287...

Страница 16: ...Burner Bottom Shield Limit Shield Secondary Limit as required NOx Units Only G50UH X PARTS ARRANGEMENT UP FLOW POSITION FIGURE 1 Gas Manifold 135 and 155 kBtuh units only Flame rollout switches are lo...

Страница 17: ...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 FLUE COLLECTOR B...

Страница 18: ...also located in the control box The switch provides overcurrent protection to the trans former T1 The breaker is rated 3A at 32V If the cur rent exceeds this limit the breaker will trip and all unit...

Страница 19: ...times with an inter purge and warm up time between trials of 35 seconds Af ter a total of five trials for ignition including the initial trial the control goes into Watchguard Flame Failure mode Af t...

Страница 20: ...4 shows 24 volt and 120 volt control terminal designations Tables 5 and 6 show jack plug terminal designations See table 8 for troubleshooting diagnostic codes Units equipped with the SureLight system...

Страница 21: ...ight control utilizes less power to energize the ignitor on successive calls for heat The control continues to ramp down the voltage to the ignitor until it finds the lowest amount of power that will...

Страница 22: ...tor improperly attached ON ON ON 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 fl...

Страница 23: ...the board voltage cannot be measured so ignitor must be ohmed Ohm value should be 10 9 to 19 7 See figure 12 for ignitor location NOTE The G50UH X furnace contains electronic components that are polar...

Страница 24: ...60C 110 4 5 units 2 5 32 36C 110 2 5 32 48C 60D 135 6 and later 1 to 5 units 2 3 8 2 5 32 60D 155 2 60 Horizontal Applications The G50UH X furnace can be installed in horizontal ap plications The comb...

Страница 25: ...nace control energizes the supply air blower and closes the gas valve The limit automatically resets when unit tempera ture returns to normal The switch must reset within three min utes or SureLight...

Страница 26: ...throw proving switch elec trically connected to the furnace control The purpose of the switch is to prevent burner operation if the combustion air inducer is not operating or if the flue becomes obstr...

Страница 27: ...rical power to unit if service is to be performed 3 Remove access panel 4 Switch lever on White Rodgers gas valve to OFF turn knob on Honeywell valve clockwise to OFF Do not force 5 Replace access pan...

Страница 28: ...anifold pres sure settings Manifold Adjustment Procedure 1 Connect a test gauge to outlet pressure tap on gas valve See figures 15 16 and 17 Start unit and allow 5 minutes for unit to reach steady sta...

Страница 29: ...AD TO IGNITION CONTROL SENSOR WIRE FIGURE 20 TABLE 16 FLAME SIGNAL in MICROAMPS SureLight Normal Low Drop Out 56L83 97L48 0 61 0 21 0 60 0 20 69M15 0 31 0 25 0 30 0 24 V TYPICAL OPERATING CHARACTERIST...

Страница 30: ...COOL terminal The con tinuous blower tap is connected to the FAN terminal To change existing heat tap turn off power then switch out speed tap on HEAT with tap connected to one of two PARK terminals S...

Страница 31: ...n air inducer Leaving off screws may cause leaks 13 Clean burner by running a vacuum with a soft brush at tachment over face of burners Visually inspect inside of burners and crossovers for any blocka...

Страница 32: ...2 minutes 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 second warm up period begins 5 Ga...

Страница 33: ...oes into 5 minute Watchguard Pressure Switch delay Once S18 closes a 15 second pre purge follows 4 SureLight control A92 energizes ignitor A 20 second warm up period begins 5 Gas valve opens for a 4 s...

Страница 34: ...COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF WITH DELAY LED 1 OFF LED 2 SLOW FLASH Sequence holds until PROVE switch closes or thermostat resets control NO NO YES NO IS THERE PROPER GROUND IS VOLTAGE...

Страница 35: ...CER OFF INDOOR BLOWER OFF WITH DELAY LED 1 ALT SLOW FLASH LED 2 ALT SLOW FLASH IS 60 MINUTE RESET PERIOD COMPLETE YES 4 SECONDS YES HAS CONTROL RESET IGNITION SEQUENCE FOUR TIMES FLAME SIGNAL NORMAL S...

Страница 36: ...ACTOR AND SYSTEM FAN ENERGIZED AFTER DELAY Control 69M15 2 second delay Control 56L83 97L48 0 second delay COOL SPEED AND ELECTRONIC AIR CLEANER TERMINAL IS ENERGIZED COMPRESSOR OFF THERMOSTAT OPENS C...

Страница 37: ...OPENS COMBUSTION AIR INDUCER AND HEATING ACCESSORY TERMINAL ARE DE ENERGIZED INDOOR BLOWER SWITCHES TO COOL SPEED THERMOSTAT OPENS INDOOR BLOWER SWITCHES TO CONTINUOUS BLOWER ELECTRONIC AIR CLEANER T...

Страница 38: ...ION 1 Manually reset the roll out switch by pushing 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 ACTI...

Страница 39: ...1997 combustion air inducer will cycle 5 seconds on 55 seconds off LED 1 Alternating Fast Flash LED 2 Alternating Fast Flash 2 1 2 Broken or failed ignitor ACTION 1 Unplug ignitor and read resistance...

Страница 40: ...ing demand Diagnostic lights flash the pressure switch failure code 2 5 minutes after heating demand 4 1 2 Prove switch does not close due to obstructions in the pressure lines ACTION 1 Remove any obs...

Страница 41: ...ssure switch code LED 1 Off LED 2 Slow Flash 6 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 Se...

Страница 42: ...6 3 3 Insufficient flow through the heat ex changer caused by a sooted or re stricted heat exchanger ACTION 1 Check for sooting deposits or other restrictions in the heat exchanger assembly Clean asse...

Страница 43: ...Properly locate the sense rod or replace if rod cannot be located correctly sense code LED 1 Slow Flash LED 2 Fast Flash 7 1 2 Sense rod is contaminated ACTION 1 Check sense rod for contamination or...

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