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507270-03B

Page 54 of 58

Issue 1904

BG951UH090CP16 Performance (Less Filter)

External 

Static 

Pressure 

in. w.c.

Air Volume / Watts at Various Blower Speeds

High

Medium-High

Medium-Low

Low

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

0.00

2140

880

1895

780

1590

645

1350

550

0.10

2110

850

1880

760

1585

635

1360

545

0.20

2060

810

1835

725

1580

620

1360

520

0.30

1990

765

1805

690

1550

585

1365

495

0.40

1925

750

1755

655

1510

545

1330

470

0.50

1830

700

1680

610

1455

525

1285

450

0.60

1720

645

1610

575

1390

480

1230

415

0.70

1600

615

1525

535

1300

465

1165

390

0.80

1455

560

1410

495

1195

430

1035

365

0.90

1300

515

1305

465

1100

390

900

320

BG951UH110CP20 Performance (Less Filter)

External 

Static 

Pressure 

in. w.c.

Air Volume / Watts at Various Blower Speeds

Bottom Return Air, Side Return Air with Optional Return Air Base, 

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

Single Side Return Air - 

Air volumes in 

bold

 require field fabricated 

transition to accommodate 20 x 25 x 1 in. air filter in order to maintain proper 

air velocity.

High

Medium-High

Medium-Low

Low

High

Medium-High

Medium-Low

Low

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

0.00

2370

1330

2230

1100

2000

910

1735

745

2360

1320

2260

1085

1965

905

1745

745

0.10

2350

1295

2205

1085

1970

890

1730

735

2330

1285

2180

1070

1945

890

1715

735

0.20

2265

1280

2135

1070

1890

875

1730

720

2255

1250

2075

1045

1885

880

1695

725

0.30

2190

1230

2050

1040

1785

850

1685

705

2150

1210

2060

1020

1880

855

1645

710

0.40

2090

1190

1945

995

1755

830

1665

695

2015

1180

1970

990

1795

830

1610

695

0.50

2000

1160

1880

955

1685

815

1640

685

1995

1145

1900

955

1775

805

1555

680

0.60

1935

1135

1770

930

1540

780

1590

660

1920

1110

1785

910

1695

775

151

645

0.70

1805

1085

1720

895

1480

750

1505

630

1780

1070

1710

885

1590

745

1440

630

0.80

1730

1065

1590

855

1405

720

1455

610

1680

1045

1570

845

1520

710

1350

610

0.90

1645

1010

1520

840

1340

705

1400

595

1595

1010

1540

830

1445

695

1315

600

BG951UH135DP20 Performance (Less Filter)

External 

Static 

Pressure 

in. w.c.

Air Volume / Watts at Various Blower Speeds

Bottom Return Air, Side Return Air with Optional Return Air Base, 

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

Single Side Return Air - 

Air volumes in 

bold

 require field fabricated 

transition to accommodate 20 x 25 x 1 in. air filter in order to maintain proper 

air velocity.

High

Medium-High

Medium-Low

Low

High

Medium-High

Medium-Low

Low

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

0.00

2445

1400

2275

1205

1985

925

1695

755

2415

1390

2240

1165

1905

915

1655

755

0.10

2410

1370

2230

1120

1950

915

1685

745

2390

1365

2210

1125

1890

905

1640

745

0.20

2350

1315

2170

1100

1890

900

1665

740

2335

1335

2140

1095

1840

890

1570

735

0.30

2250

1285

2110

1075

1820

880

1610

725

2310

1305

2040

1060

1760

860

1500

720

0.40

2150

1245

1970

1030

1750

855

1565

705

2170

1245

1965

1025

1685

835

1480

705

0.50

2030

1200

1900

995

1710

830

1510

685

2065

1215

1905

995

1625

815

1425

685

0.60

1950

1170

1795

955

1645

800

1435

670

1950

1175

1830

980

1530

785

1365

670

0.70

1870

1130

1690

915

1560

780

1410

655

1770

1125

1750

940

1435

755

1305

650

0.80

1740

1100

1520

895

1455

745

1280

620

1680

1095

1645

905

1365

730

1215

625

0.90

1650

1060

1430

865

1360

710

1210

595

1575

1035

1530

850

1250

705

1125

585

NOTE

: All air is measured external to unit without filter (filter not furnished - field provided)

Содержание BG921UH

Страница 1: ...or loss of life Installation and service must be performed by a licensed professional installer or equivalent service agency or the gas supplier WARNING As with any mechanical equipment personal injury can result from contact with sharp sheet metal edges Be careful when you handle this equipment CAUTION Table of Contents Unit Dimensions 2 Parts Arrangement 3 Gas Furnace 4 Shipping and Packing List...

Страница 2: ... air with optional RAB Return Air Base 3 Bottom return air 4 Return air from both sides 5 Bottom and one side return air See Blower Performance tables for additional information 2 Optional External Side Return Air Filter kit is not for use with optional Return Air Base Consider sizing requirements for optional IAQ equipment before cutting side return opening FRONT VIEW SIDE VIEW Capacity A B C D i...

Страница 3: ...507270 03B Page 3 of 58 Issue 1904 Parts Arrangement Figure 1 ...

Страница 4: ...ng and Packing List 1 Assembled Gas Furnace 1 Bag assembly containing the following 1 Snap bushing 1 Snap Plug 1 Wire tie 1 Condensate trap 1 Condensate trap cap 1 Condensate trap clamp 1 2 diameter debris screen 1 3 4 Threaded street elbow NOTE The required bellows grommet is field provided See the Gas Piping section for relevant diagrams Check equipment for shipping damage If you find any damage...

Страница 5: ...od practice requirements and current National Fuel Gas Code or CSA B149 standards NOTE Furnace must be adjusted to obtain a temperature rise within the range specified on the unit nameplate Failure to do so may cause erratic limit operation and premature heat exchanger failure This furnace must be installed so that its electrical components are protected from water Installed in Combination with a ...

Страница 6: ...S ALL OF THE FOLLOWING CRITERIA ARE MET a Furnace must be in its final location The vent system must be permanently installed per these installation instructions b Furnace must be installed as a two pipe system and one hundred percent 100 outdoor air must be provided for combustion air requirements during construction c A room thermostat must control the furnace The use of fixed jumpers that will ...

Страница 7: ...sion from the National Fuel Gas Code ANSI Z223 1 NFPA 54 This reprinted material is not the complete and official position of ANSI on the referenced subject which is represented only by the standard in its entirely In Canada refer to the CSA B149 Installation codes Do not install the furnace in a corrosive or contaminated atmosphere Meet all combustion and ventilation air requirements as well as a...

Страница 8: ... be within 12 305 mm of the top of the enclosure and one within 12 305 mm of the bottom These openings must communicate directly or by ducts with the outdoors or spaces crawl or attic that freely communicate with the outdoors or indirectly through vertical ducts Each opening shall have a minimum free area of 1 square inch per 4 000 Btu 645 mm per 59 kW per hour of total input rating of all equipme...

Страница 9: ...ed Inlet Air Minimum 12 in 305mm above Crawl Space Floor Coupling or 3 in to 2 in Transition Field Provided See Maximum Vent Lengths table NOTE The inlet and outlet air openings shall each have a free area of at least one square inch per 4 000 Btu 645 mm2 per 1 17 kW per hour of the total input rating of all equipment in the enclosure Figure 10 Equipment in Confined Space All Air from Outside Ship...

Страница 10: ...rnace can result in personal injury or death Combustion and flue products must never be allowed to enter the return air system or air in the living space Use sheet metal screws and joint tape to seal return air system to furnace In platform installations with furnace return the furnace should be sealed airtight to the return air plenum A door must never be used as a portion of the return air duct ...

Страница 11: ...er combustible materials other than wood flooring Markings are provided on both sides of the furnace cabinet for installations that require side return air Cut the furnace cabinet at the maximum dimensions shown on Page 2 Furnace applications which include side return air and a condensate trap installed on the same side of the cabinet trap can be installed remotely within 5 ft require either a ret...

Страница 12: ...tion Installation Clearances Top Plenum 1 in 25 mm Front 0 Back 0 Sides 0 Vent 0 Floor 0 Front clearance in alcove installation must be 24 in 610 mm Maintain a minimum of 24 in 610 mm for front service access Allow proper clearances to accommodate condensate trap For installations on a combustible floor do not install the furnace directly on carpeting tile or other combustible materials other than...

Страница 13: ... unit is not equipped with a filter or rack Afield provided filter is required for the unit to operate properly Table 1 list recommended filter sizes A filter must be in place whenever the is operating Table 1 Furnace Cabinet Width Filter Size Side Return Bottom Return 17 1 2 16 x 25 x 1 1 16 x 25 x 1 1 21 20 x 25 x 1 1 24 1 2 16 x 25 x 1 2 24 x 25 x 1 1 Duct System Use industry approved standards...

Страница 14: ...r vent pipe hangers Uniformly apply a liberal coat of PVC primer for PVC or use a clean dry cloth for ABS to clean inside socket surface of fitting and male end of pipe to depth of fitting socket Canadian Applications Only Pipe fittings primer and solvent cement used to vent exhaust this appliance must be certified to ULC S636 and supplied by a single manufacturer as part of an approved vent exhau...

Страница 15: ...fter pipe is fully inserted to distribute cement evenly Do not turn ABS or cellular core pipe NOTE Assembly should be completed within 20 seconds after last application of cement Hammer blows should not be used when inserting pipe 8 After assembly wipe excess cement from pipe at end of fitting socket A properly made joint will show a bead around its entire perimeter Any gaps may indicate an improp...

Страница 16: ... leakage corrosion or other deficiencies which could cause an unsafe condition 3 Close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building Turn ON clothes dryers and any appliances not connected to the common venting system Turn ON any exhaust fans such as range hoods an...

Страница 17: ...t the maximum pipe lengths permitted for BG921UH Table 6A through Table 6C list the maximum pipe lengths permitted for BG951UH Regardless of the diameter of pipe used the standard roof and wall terminations described in section Exhaust Piping Terminations should be used Exhaust vent termination pipe is sized to optimize the velocity of the exhaust gas as it exits the termination Refer to Table 8 I...

Страница 18: ...ipe diameter Figure 24 045 070 090 110 135 Standard or Concentric See Table 3 Intake or Exhaust 2 2 1 2 or 3 Furnace capacity 1 Which termination 2 Which needs most elbows 3 How many 4 Desired pipe size 5 What is the altitude 6 Use Table 5 or Table 6 to find max pipe length 7 ...

Страница 19: ...n a 75 60 28 97 97 78 9 36 21 70 55 23 92 92 73 10 31 16 65 50 18 87 87 68 Concentric Termination Elevation 0 10 000 ft Number of 90 Elbows Used 2 Pipe 2 1 2 Pipe 3 Pipe Capacity Capacity Capacity 045 070 090 045 070 090 045 070 090 1 68 53 37 100 85 59 116 116 109 2 63 48 32 95 80 54 111 111 104 3 58 43 27 90 75 49 106 106 99 4 53 38 22 85 70 44 101 101 94 5 48 33 17 80 65 39 96 96 89 6 43 28 12 ...

Страница 20: ...ipe Capacity Capacity Capacity 045 070 090 045 070 090 045 070 090 1 66 51 29 95 80 48 112 112 93 2 61 46 24 90 75 43 107 107 88 3 56 41 19 85 70 38 102 102 83 4 51 36 14 80 65 33 97 97 78 5 46 31 9 75 60 28 92 92 73 6 41 26 4 70 55 23 87 87 68 7 36 21 n a 65 50 18 82 82 63 8 31 16 60 45 13 77 77 58 9 26 11 55 40 8 72 72 53 NOTE Additional vent pipe and elbows used to terminate the vent pipe outsi...

Страница 21: ... 97 97 78 78 74 9 36 21 70 55 23 92 92 73 73 69 10 31 16 65 50 18 87 87 68 68 64 Standard Termination Elevation 4 501 10 000 ft Number of 90 Elbows Used 2 Pipe 2 1 2 Pipe 3 Pipe Capacity Capacity Capacity 045 070 090 110 135 045 070 090 110 135 045 070 090 110 135 1 76 61 39 n a n a 110 95 63 38 n a 132 132 113 113 109 2 71 56 34 105 90 58 33 127 127 108 108 104 3 66 51 29 100 85 53 28 122 122 103...

Страница 22: ...4 81 81 74 74 65 9 28 13 60 45 19 76 76 69 69 60 10 23 8 55 40 14 71 71 64 64 55 Concentric Termination Elevation 4 501 10 000 ft Number of 90 Elbows Used 2 Pipe 2 1 2 Pipe 3 Pipe Capacity Capacity Capacity 045 070 090 110 135 045 070 090 110 135 045 070 090 110 135 1 68 53 37 n a n a 100 85 59 34 n a 116 116 109 109 100 2 63 48 32 95 80 54 29 111 111 104 104 95 3 58 43 27 90 75 49 24 106 106 99 9...

Страница 23: ...5 65 43 8 83 82 63 63 59 8 31 16 60 60 38 3 78 77 58 58 54 9 26 11 55 55 33 n a 73 72 53 53 49 10 21 6 50 50 28 68 67 48 48 44 Standard Termination Elevation 4 501 10 000 ft Number of 90 Elbows Used 2 Pipe 2 1 2 Pipe 3 Pipe Capacity Capacity Capacity 045 070 090 110 135 045 070 090 110 135 045 070 090 110 135 1 66 51 29 n a n a 95 95 73 38 n a 113 112 93 93 89 2 61 46 24 90 90 68 33 108 107 88 88 ...

Страница 24: ...507270 03B Page 24 of 58 Issue 1904 Figure 25 Figure 26 ...

Страница 25: ...the next two steps when installing the unit in Direct Vent applications where combustion air is taken from outdoors and flue gases are discharged outdoors The provided air intake screen must not be used in direct vent applications outdoors 1 Use transition solvent cement or a sheet metal screw to secure the intake pipe to the inlet air connector 2 Route piping to outside of structure Continue with...

Страница 26: ...orward or to either side in the upflow position and either straight out or downward in the horizontal position Figure 30 The air intake piping must not terminate too close to the flooring or a platform Ensure that the intake air inlet will not be obstructed by loose insulation or other items that may clog the debris screen 2 If intake air is drawn from a ventilated attic Figure 31 or ventilated cr...

Страница 27: ...le 7 Maximum Allowable Exhaust Vent Pipe Length in ft without Insulation in Unconditioned Space for Winter Design Temperatures Single Stage High Efficiency Furnace Winter Design Temperatures1 ºF ºC Vent Pipe Diameter Unit Input Size 045 070 090 110 135 32 to 21 0 to 6 PVC 2 PP PVC 2 PP PVC 2 PP PVC 2 PP PVC 2 PP 2 in 18 16 31 28 50 48 30 30 N A N A 2 1 2 in 13 N A 24 N A 42 N A 56 N A N A N A 3 in...

Страница 28: ...earance under veranda porch deck or balcony 12 Equal to or greater than soffit depth 3 feet 9m 12 3 feet 9m within a height 15 feet 4 5m above the meter regulator assembly 3 feet 9m 6 inches 152mm for appliances 10 000 Btuh 3kw 12 inches 305mm for appliances 10 000 Btuh 3kw and 100 000 Btuh 30kw 36 inches 9m for appliances 100 000 Btuh 30kw 3 feet 9m above if within 10 feet 3m horizontally 6 feet ...

Страница 29: ...es 152mm for appliances 10 000 pliances 10 000 Btuh 3kw and 50 000 pliances 50 000 Btuh 15kw 6 inches 152mm for appliances 10 000 Btuh 3kw 12 inches 305mm for appliances 10 000 Btuh 3kw and 100 000 Btuh 30kw 36 inches 9m for appliances 100 000 Btuh 30kw 3 feet 9m above if within 10 feet 3m horizontally 6 feet 1 8m 7 feet 2 1m 12 inches 305mm 1 In accordance with the current ANSI Z223 1 NFPA 54 Nat...

Страница 30: ...ternational B149 installation codes the minimum allowed distance between the combustion air intake inlet and the exhaust outlet of other appliances shall not be less than 12 inches 305 mm IMPORTANT Details of Intake and Exhaust Piping Terminations for Direct Vent Installations NOTE In Direct Vent installations combustion air is taken from outdoors and flue gases are discharged to outdoors NOTE Flu...

Страница 31: ...7 If intake and exhaust piping must be run up a side wall to position above snow accumulation or other obstructions piping must be supported every 24 610 mm as shown in Figure 44 Exhaust and intake piping that is run up a wall is considered to be in an unconditioned space so piping should be sized according to Table 7 The intake piping may be equipped with a 90 elbow turndown Using turndown will a...

Страница 32: ...FITTINGS PROVIDE SUPPORT OF PIPE ON TOP PLATE ALTERNATE INTAKE PIPE INTAKE PIPE INSULATION optional EXTERIOR PORTION OF CHIMNEY INSULATE TO FORM SEAL SHEET METAL TOP PLATE Minimum 12 305MM above chimney top plate or average snow accumulation 8 12 203MM 305MM 3 8 76MM 203MM SIZE TERMINATION PIPE PER EXHAUST PIPE TERMINATION SIZE REDUCTION TABLE NOTE Do not discharge exhaust gases directly into any ...

Страница 33: ...e grade or average snow accumulation B Horizontal separation between intake and exhaust C Minimum from end of exhaust to inlet of intake D Exhaust pipe length E Wall support distance from top of each pipe intake exhaust 12 305 mm Min 12 305 mm Min 6 152 mm Min 24 610 mm Max 9 227 mm Min 12 305 mm Min 16 405 mm Max 6 152 mm Max 6 152 mm Min 24 610 mm Max 9 227 mm Min 12 305 mm Min 20 508 mm Max 6 1...

Страница 34: ...n Kit 15F75 or 44J41 UNCONDITIONED ATTIC SPACE 3 76MM OR 2 51MM PVC PROVIDE SUPPORT FOR EXHAUST LINES 12 305MM ABOVE AVE SNOW ACCUMULATION SIZE PER EXHAUST PIPE TERMINATION SIZE REDUCTION TABLE Figure 46 Non Direct Vent Field Supplied Wall Termination SIZE TERMINATION PER EXHAUST PIPE TERMINATION SIZE REDUCTION TABLE Figure 47 Non Direct Vent Field Supplied Wall Termination Extermination SIZE TERM...

Страница 35: ...Termination Drain Trap assembled Figure 49 Kit 51W18 USA 15Z70 Canada Parts Identification and Assembly Exhaust from Furnace To Termination Exhaust from Furnace To Termination Kit 51W18 is shown Figure 50 Crawl Space Vent Pipe Drain Trap Assembled Incorrectly Figure 51 Upflow or Downflow Furnace with Exhaust through Crawl Space KIT 51W18 USA Basement Floor To Termination 1 2 PVC to Code Approved D...

Страница 36: ...fittings glue all joints Glue the provided drain trap as shown in Figure 58 Route the condensate line to an open drain Condensate line must maintain a 1 4 downward slope from the furnace to the drain Do not use copper tubing or existing copper condensate lines for drain line CAUTION 5 Install field provided vent on trap assembly as shown in Figure 53 through Figure 59 Trap must extend at least 1 a...

Страница 37: ... Piping from furnace must slope down a minimum of 1 4 per ft toward trap Figure 55 Evaporator Coil Using a Separate Drain Figure 56 Evaporator Coil Using a Common Drain Piping from furnace must slope down a minimum of 1 4 per ft toward trap Figure 57 Evaporator Coil Using a Common Drain Unit shown in horizontal left hand discharge position ...

Страница 38: ...507270 03B Page 38 of 58 Issue 1904 Figure 58 Trap Drain Assembly Using 1 2 PVC or 3 4 PVC ...

Страница 39: ... or gas vents dumb waiters or elevator shafts Center gas line through piping hole Gas line should not touch side of unit See Figure 61 and Figure 62 4 Piping should be sloped 1 4 per 15 feet 6 mm per 5 6 m upward toward the gas meter from the furnace The piping must be supported at proper intervals every 8 to 10 feet 2 44 to 3 05 m using suitable hangers or straps Install a drip leg in vertical pi...

Страница 40: ...w the safety warnings exactly could result in serious injury death or property damage Never use an open flame to test for gas leaks Check all connections using a commercially available soap solution made specifically for leak detection Some soaps used for leak detection are corrosive to certain metals Carefully rinse piping thoroughly after leak test has been completed WARNING Figure 61 Gas Piping...

Страница 41: ...0 16 42 530 15 01 490 13 87 460 13 03 430 12 18 400 11 33 1 1 2 38 1 1 610 40 894 2100 59 46 460 41 34 1180 33 41 990 28 03 900 25 48 810 22 94 750 21 24 690 19 54 650 18 41 620 17 56 2 50 8 2 067 52 502 3950 111 85 2750 77 87 2200 62 30 1900 53 80 1680 47 57 1520 43 04 1400 39 64 1300 36 81 1220 34 55 1150 32 56 2 1 2 63 5 2 469 67 713 6300 178 39 4350 123 17 3520 99 67 3000 84 95 2650 75 04 2400...

Страница 42: ...tat check to make sure the wires will be long enough for servicing at a later date Make sure that thermostat wire is long enough to facilitate future removal of blower for service Complete the wiring connections to the equipment Use the provided unit wiring diagram and the field wiring diagram shown in Figure 66 Use 18 gauge wire or larger that is suitable for Class II rating for thermostat connec...

Страница 43: ...indoor blower will run continuously on the heating speed when there is no cooling or heating demand 2 When the furnace is running in the heating mode the indoor blower will run on the heating speed 3 When there is a cooling demand the indoor blower will run on the cooling speed Generator Use Voltage Requirements The furnace requires 120 volts 10 Range 108 volts to 132 volts The furnace operates at...

Страница 44: ...507270 03B Page 44 of 58 Issue 1904 Figure 67 Typical Wiring Diagram ...

Страница 45: ...or property damage Should the gas supply fail to shut off or if overheating occurs shut off the gas valve to the furnace before shutting off the electrical blower deck before performing any service procedure WARNING Before attempting to perform any service or maintenance turn the electrical power to unit OFF at disconnect switch CAUTION BEFORE LIGHTING the unit smell all around the furnace area fo...

Страница 46: ...er to the unit 11 Set the thermostat to desired setting NOTE When unit is initially started steps 1 through 11 may need to be repeated to purge air from gas line 12 If the appliance will not operate follow the instructions Turning Off Gas to Unit and call your service technician or gas supplier Turning Off Gas to Unit 1 Set the thermostat to the lowest setting 2 Turn off all electrical power to th...

Страница 47: ...for the unit to stabilize observe the flame Flame should be stable and should not lift from burner Natural gas should burn blue 4 After allowing unit to stabilize for 5 minutes record manifold pressure and compare to value given in Table 12 NOTE Shut unit off and remove manometer as soon as an accurate reading has been obtained Take care to remove barbed fitting and replace threaded plug Proper Co...

Страница 48: ...witch Requirements at Varying Altitudes Capacity 0 4500 ft 0 1371m 4501 7500 ft 1371 2286m 7501 10000 ft 2286 3048m 045 No Change 11J09 11J10 070 090 Pressure switch is factory set No adjustment necessary All models use the factory installed pressure switch from 0 4500 feet 0 1371 m BG951UH Pressure Switch Requirements at Varying Altitudes Capacity 0 4500 ft 0 1371m 4501 7500 ft 1371 2286m 7501 10...

Страница 49: ...m 2 Visually inspect the venting system for proper size and horizontal pitch Determine there is no blockage or restriction leakage corrosion or other deficiencies which could cause an unsafe condition 3 To the extent that it is practical close all building doors and windows and all doors between the space in which the appliances connected to the venting system are located and other spaces of the b...

Страница 50: ...mostat Heat Anticipation Set the heat anticipator setting if adjustable according to the amp draw listed on the wiring diagram that is attached to the unit Electrical 1 Check all wiring for loose connections 2 Check for the correct voltage at the furnace with furnace operating Correct voltage is 120 VAC 10 3 Check amp draw on the blower motor with the blower access panel in place Motor Nameplate__...

Страница 51: ...0 1030 400 0 10 1565 660 1365 545 1150 465 1020 385 0 20 1535 630 1340 525 1150 440 1025 375 0 30 1440 600 1300 500 1110 420 1000 350 0 40 1405 570 1255 470 1075 400 975 345 0 50 1340 535 1200 445 1045 380 945 330 0 60 1255 500 1125 420 995 355 875 310 0 70 1165 475 1080 395 935 335 820 290 0 80 1060 455 990 365 870 315 750 265 0 90 955 425 895 345 750 285 660 245 BG921UH090CP12 Performance Less F...

Страница 52: ...0 0 10 1995 880 1705 760 1390 635 1205 525 0 20 1925 835 1675 715 1405 605 1205 505 0 30 1850 795 1640 680 1400 580 1170 490 0 40 1790 760 1575 645 1395 560 1170 475 0 50 1700 725 1540 625 1350 535 1140 450 0 60 1610 690 1455 580 1295 505 1100 430 0 70 1540 645 1365 550 1225 480 1030 405 0 80 1415 615 1265 510 1125 445 980 385 0 90 1270 565 1165 470 1060 420 900 350 NOTE All air is measured extern...

Страница 53: ...480 880 380 0 10 1560 665 1320 565 1085 470 885 375 0 20 1515 630 1300 540 1080 460 880 370 0 30 1465 590 1275 520 1065 440 890 360 0 40 1410 570 1235 490 1050 420 875 350 0 50 1345 540 1195 470 1020 400 840 335 0 60 1275 510 1140 440 975 365 830 315 0 70 1195 485 1090 410 930 355 780 290 0 80 1105 460 995 380 850 325 730 275 0 90 985 420 890 345 770 300 650 255 BG951UH090CP12 Performance Less Fil...

Страница 54: ...85 815 1640 685 1995 1145 1900 955 1775 805 1555 680 0 60 1935 1135 1770 930 1540 780 1590 660 1920 1110 1785 910 1695 775 151 645 0 70 1805 1085 1720 895 1480 750 1505 630 1780 1070 1710 885 1590 745 1440 630 0 80 1730 1065 1590 855 1405 720 1455 610 1680 1045 1570 845 1520 710 1350 610 0 90 1645 1010 1520 840 1340 705 1400 595 1595 1010 1540 830 1445 695 1315 600 BG951UH135DP20 Performance Less ...

Страница 55: ...y to empty condensate water 3 Remove the clean out cap from the condensate trap and empty water Inspect the trap then reinstall the clean out cap Cleaning Heat Exchanger If cleaning the heat exchanger becomes necessary follow the below procedures and refer to Figure 1 when disassembling unit Use papers or protective covering in front of furnace while removing heat exchanger assembly 1 Turn off ele...

Страница 56: ... the 2 pin plug to the wire harness 38 Reconnect drain tubes between flue collar and cold end header box 39 Secure burner assembly to vestibule panel using four existing screws Burners are self aligning to center of clam shells 40 Reconnect gas supply line to gas valve 41 Reconnect flame rollout switch wires 42 Reconnect sensor wire and reconnect 2 pin plug from ignitor 43 Reconnect wires to gas v...

Страница 57: ...tions that may result in unsafe operation For instance items innocently stored next to the furnace may obstruct the combustion air supply This could cause incomplete combustion and the production of carbon monoxide gas Table 14 Diagnostic Codes LED Status Fault Description LED Off No power to control or control hardware fault detected LED On Normal operation 1 Flash Flame present with gas valve of...

Страница 58: ...m height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not app...

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