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Page 5

G50UHi−48B−090

External

Jumper Speed Selector

External

Static

Pressure

Speed 1

Factory Default

Cool

Speed 2

Speed 3

Factory Default 

Dehumid

Speed 4

Factory Default

Heat

Speed 5

Speed 6

Speed 7

Factory Default

Fan

in. w.g. Pa cfm

L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

0

0

1800 850

655

1585 750

495

1465 690

420

1345 635

360

1225 575

300

1060 500

230

890 420

170

0.1

25 1795 845

670

1590 750

515

1485 700

455

1365 645

395

1225 580

320

1050 495

235

845 400

175

0.2

50 1755 830

690

1580 745

545

1495 705

490

1375 650

415

1240 585

350

1030 485

255

820 385

185

0.3

75 1710 805

690

1565 740

565

1470 695

500

1370 645

445

1245 585

375

1025 485

285

760 360

190

0.4

100 1605 755

660

1550 730

585

1450 685

525

1355 640

455

1225 580

395

1015 480

300

745 350

210

0.5

125 1610 760

715

1510 715

580

1435 675

540

1340 630

485

1210 570

415

1005 475

330

740 350

225

0.6

150 1550 730

680

1475 695

600

1410 665

570

1325 625

510

1190 560

445

980 465

345

745 350

250

0.7

175 1470 695

640

1430 675

625

1365 645

555

1290 610

500

1170 550

455

965 455

355

715 340

265

0.8

200 1350 635

585

1370 645

615

1315 620

590

1225 575

535

1130 530

470

955 450

370

695 325

285

0.9

225 1220 575

550

1260 595

575

1260 595

575

1195 565

540

1090 515

490

935 440

400

670 315

295

NOTES −  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.

Air volume based on bottom return air. Actual air volume may vary on side return air applications.

G50UHi−60C−110

External

Jumper Speed Selector

External

Static

Pressure

Speed 1

Factory Default

Cool

Speed 2

Speed 3

Factory Default

Dehumid

Speed 4

Factory Default

Heat

Speed 5

Speed 6

Speed 7

Factory Default

Fan

in. w.g. Pa cfm

L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

0

0

2150 1015

915

1965 925

735

1850 875

640

1695 800

535

1515 715

425

1295 610

315

1000 470

215

0.1

25 2140 1010

935

1960 925

775

1830 865

660

1695 800

565

1535 725

460

1345 635

355

975 460

220

0.2

50 2085 985

930

1960 925

815

1825 860

710

1700 800

595

1545 730

500

1375 650

400

1000 475

240

0.3

75 2085 985

1000

1965 925

855

1825 860

735

1675 790

610

1540 725

520

1375 650

420

1075 505

290

0.4

100 2055 970

1015

1945 920

890

1825 860

775

1680 790

645

1525 720

545

1375 650

455

1075 505

310

0.5

125 2010 950

1025

1895 895

890

1810 855

810

1680 795

690

1515 715

580

1350 635

465

1075 505

335

0.6

150 1950 920

1015

1885 890

965

1795 845

850

1640 775

705

1505 710

605

1335 630

490

1050 495

345

0.7

175 1900 895

1010

1850 875

970

1760 830

865

1630 770

735

1485 700

625

1335 630

530

1010 480

360

0.8

200 1845 870

1025

1790 845

950

1700 800

875

1605 755

755

1460 690

645

1315 620

545

1000 470

385

0.9

225 1740 820

980

1715 810

955

1665 785

915

1570 740

785

1425 670

675

1275 600

570

995 470

420

NOTES −  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.

Air volume based on side return air. Actual air volume may vary on bottom return air applications.

G50UHi−60D−135

External

Jumper Speed Selector

External

Static

Pressure

Speed 1

Factory Default

Cool

Speed 2

Speed 3

Factory Default

Dehumid

Speed 4

Factory Default

Heat

Speed 5

Speed 6

Speed 7

Factory Default

Fan

in. w.g. Pa cfm

L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

cfm L/s

Watts

0

0

2160 1020

905

1985 935

735

1910 900

665

1705 805

520

1580 745

460

1290 610

315

1040 490

230

0.1

25 2165 1020

945

1975 930

770

1895 895

695

1725 815

565

1595 750

475

1345 635

350

990 465

220

0.2

50 2115 995

935

1970 930

805

1890 890

730

1710 805

575

1605 755

525

1380 650

385

945 445

225

0.3

75 2055 970

925

1975 935

845

1895 895

770

1705 805

620

1600 755

545

1395 660

425

1010 475

260

0.4

100 2090 985

1015

1960 925

870

1885 890

805

1705 805

650

1590 750

565

1410 665

455

1115 525

330

0.5

125 2065 975

1040

1940 915

895

1865 880

825

1700 800

670

1585 750

590

1380 650

465

1120 530

350

0.6

150 2020 955

1030

1880 885

880

1855 875

865

1685 795

700

1570 740

620

1355 640

490

1105 520

370

0.7

175 1965 925

1040

1880 885

965

1815 855

880

1650 780

725

1550 730

650

1340 630

510

1065 500

375

0.8

200 1910 900

1040

1850 875

960

1760 830

880

1645 775

760

1535 725

670

1340 635

550

1055 500

395

0.9

225 1805 850

975

1785 845

985

1740 820

920

1610 760

785

1500 710

695

1310 620

555

1035 490

430

NOTES −  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.

Air volume based on side return air. Actual air volume may vary on bottom return air applications.

Содержание G50UHi Series

Страница 1: ...ned in this manual are presented as a recom mendation 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 ma...

Страница 2: ...gle 44J22 Ten Pack 66K63 1 16 x 25 x 1 406 x 635 x 25 EZ Filter Base Catalog Number Ship Wt 73P55 6 lbs 3 kg 73P56 7 lbs 3 kg 73P56 7 lbs 3 kg Base Dimensions H x W x D 4 x 14 1 4 x 28 5 8 in 102 x 36...

Страница 3: ...8 m 15M22 15M22 LPG Propane Kit 0 7500 ft 0 2286 m 45L60 45L60 p 7501 10 000 ft 2286 3048 m 47M81 47M81 Horizontal Support Frame Kit Shipping Weight 56J18 18 lbs 8 kg 56J18 18 lbs 8 kg Relay Kit 56L68...

Страница 4: ...060 500 475 985 465 445 875 415 390 790 375 330 690 325 290 525 250 225 0 9 225 935 440 435 930 440 435 885 420 410 825 390 390 740 350 350 675 320 295 510 240 235 NOTES All air data is measured exter...

Страница 5: ...375 650 420 1075 505 290 0 4 100 2055 970 1015 1945 920 890 1825 860 775 1680 790 645 1525 720 545 1375 650 455 1075 505 310 0 5 125 2010 950 1025 1895 895 890 1810 855 810 1680 795 690 1515 715 580 1...

Страница 6: ...Page 6 FIGURE 1...

Страница 7: ...HORIZONTAL POSITION BLOWER ACCESS PANEL HEAT EXCHANGER ASSEMBLY BURNER ASSEMBLY COMBUSTION AIR INDUCER SURELIGHT CONTROL BOARD GAS VALVE BURNER ACCESS PANEL BLOWER ASSEMBLY PRIMARY LIMIT BLOWER CONTRO...

Страница 8: ...utions will help to avoid control exposure to electrostatic dis charge by putting the furnace the control and the technician at the same electrostatic poten tial Neutralize electrostatic charge by tou...

Страница 9: ...tion air inducer is energized When the differential in the prove switch is great enough the prove switch closes and a 15 second pre purge begins If the prove switch is not proven within 2 1 2 minutes...

Страница 10: ...NEOUS FAST FLASH SIMULTANEOUS FAST FLASH Normal operation signaled when heating demand initiated at thermostat SLOW FLASH ON Primary or secondary limit switch open Limit must close within 3 minutes or...

Страница 11: ...ic or electro mechanical thermostats without modification Each time power is applied to the furnace the ignition con trol performs a selfcheck The SureLight ignitor is made of durable silicon nitride...

Страница 12: ...ge to the ignitor until it finds the lowest amount of power that will provide a successful ignition This amount of power is used for 255 cycles On the 256th call for heat the control will again ramp d...

Страница 13: ...ge before re moving blower control module cover Failure to wait may cause personal injury or death Remove the cover panel from the module to access the se lector jumpers There are five selector pins i...

Страница 14: ...C Ramp A 6 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 the lowest ignitor temperature which...

Страница 15: ...cut out from the side of the cabinet See figure 15 Use the two provided sheet metal screws to install the cut out on the top cap to cover the original flue outlet open ing Combustion Air Inducer Upfl...

Страница 16: ...ir blower and closes the gas valve The limit automatically resets when unit temperature returns to normal G50UHi 1 through 6 units use a surface type limit factory set to open at 125 F G50UHi 7 and la...

Страница 17: ...eywell Gas Valve Turn knob on gas valve clockwise to OFF Do not force See figure 18 7 Wait five 5 minutes to clear out any gas If you then smell gas STOP Immediately call your gas supplier from a neig...

Страница 18: ...n checked and adjusted check manifold pressure Move pressure gauge to outlet pres sure tap located on unit gas valve GV1 Checks of man ifold pressure are made as verification of proper regulator ad ju...

Страница 19: ...a tion Current passes from the sensor through the flame to ground to complete a safety circuit TABLE 17 Flame Signal in Microamps Ignition Control Normal Low Drop Out 97L48 0 61 0 21 0 60 0 20 69M15 0...

Страница 20: ...onnect the other end of manometer to the return duct as above For systems with non ducted returns leave the other end of the manometer open to the at mosphere 3 With only the blower motor running and...

Страница 21: ...aning is accomplished Reverse drill and slowly work the cable out of opening 8 Repeat procedure for each heat exchanger section 9 After each of the top heat exchanger sections has been cleaned insert...

Страница 22: ...Page 22 VII WIRING AND SEQUENCE OF OPERATION...

Страница 23: ...s 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 sec...

Страница 24: ...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 ABOVE 75 VOLTS LED 1 AND LED 2 ALTERNATING FA...

Страница 25: ...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 26: ...TOR AND SYSTEM FAN ENERGIZED AFTER DELAY COOL SPEED AND ELECTRONIC AIR CLEANER TERMINAL IS ENERGIZED Control board 69M15 2 second delay Control board 97L48 no delay COMPRESSOR OFF THERMOSTAT OPENS COO...

Страница 27: ...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 28: ...pen ACTION 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 failu...

Страница 29: ...1 Alternating Fast Flash LED 2 Alternating Fast Flash 2 1 2 Broken or failed ignitor ACTION 1 Unplug ignitor and read resistance across ignitor If resistance does not read be tween 10 9 and 19 7 ohms...

Страница 30: ...with a heating 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 Re...

Страница 31: ...ure 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 See...

Страница 32: ...ash 6 3 3 Insufficient flow through the heat exchanger caused by a sooted or restricted heat exchanger ACTION 1 Check for sooting deposits or other restrictions in the heat exchanger assembly Clean as...

Страница 33: ...lash 7 1 2 Sense rod is contaminated ACTION 1 Check sense rod for contamination or coated surface Clean the sense rod with steel wool or replace sensor DO NOT USE SAND PA PER TO CLEAN ROD SAND PAPER W...

Страница 34: ...t lead from ACB Cool to 120HOT terminal D Make sure blower access panel is replaced properly to close door interlock switch and energize SureLight control board D Repeat with ACB Heat and ACB Low lead...

Страница 35: ...ize SureLight control board D Check for proper demand from thermostat Is motor operating properly Recheck all wiring connections CHECK BLOWER CONTROL MODULE Proper blower control module must be instal...

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