– 10-year all-parts warranty. – 1 Year Replacement Pledge to replace the unit if the

heat exchanger fails within the first year of operation, to the original owner.

– Consumer product registration required for 10 year All Parts Warranty and Replacement Pledge within a limited period of time after the installation. See current warranty document or visit our consumer web site listed on the back of this document for warranty details.

– When registered, this product is upgraded to a limited lifetime heat exchanger warranty.

WARRANTY

• 100% fired and tested: Allunitsandeachcomponentaretestedonthemanufacturingline.

• Best packaging in the industry: Uniquecornerpostdesignassuresproductwillarrivetothehomeownerdentfree.

• Low Boy Height:Easytoapplyinlowceilingapplications,workswellwithtallerhighSEERcoils,easiertohandleandinstall.

• Tubular primary heat exchanger: Heavy gaugealuminizedsteelheatexchangerassuresalonglife.

• 30 second blower delay at start-up:Assuresawarmducttemperatureatfurnacestart-up.Adjustablebloweroffsettings(60,90,120and180seconds).

• 30 second post purge: Increases life of heatexchanger.

• Hot surface ignitor: Innovative application of anappliancetypeignitorwitha20yearhistoryofreliability.UtilizesprovenSmartlite®technology.

• Color coded wire harness: Designed to fit thecomponents,allwithquick-connectfittings foreaseofserviceandreplacement.

• High static blowers:Allmodelsequippedwithhighstaticblowers.

• 90 second cooling cycle blower-off delay (TDR): increases cooling performance when matched with aNORDYNEcoil.

• Flexible category I venting system: Maybeventedwithdedicatedventingsystemorcommonventedwithothercategoryoneappliances.

• High efficiency blower kits: Maximizeefficiencies.Onselect units, aSEER improvementof up to1point isrealized.

• Multi-speed direct drive blower: Designed togiveawide range of cooling capacities. Switches on PCB,provideultraeasymotorspeedselection.

• LP convertible:Simpleburnerorificeandregulatorspringchangeforeaseofconvertibility.

• Diagnostic lights for easy troubleshooting without counting flashes: Dedicated light for flame signalstrength and 2 lights in combination to indicate allotherfaultcodeswitheasytorecognizestateswithoutcountingflashes.

• Integrated control board: Incorporatesconnectionsforelectronicaircleanerandhumidifier.

• Two piece door design: Enhancesfurnaceappearanceand uses captured screws to prevent loosing doorscrews.

Induced Draft - 80+ AFUEInput 45,000 - 126,000 Btuh

VG7S (A and K Series)High Efficiency Upflow/Horizontal and Downflow Gas Furnaces

Thehighefficiencygasfurnacemaybeinstalledfreestanding in a utility room, basement, or enclosedin an alcove or closet. The rounded corner jacketprovidesapleasing“applianceappearance.”DesigncertifiedbyCSAforapplicationintheUnitedStatesandCanada.

FEATURES and BENEFITS

TECHNICALSPECIFICATIONS

2

Upflow/Horizontal Gas Furnace

Downflow Gas Furnace

GAS FURNACE COMPONENTS

Blower Door Switch

Burner Assembly

Flame SensorGas Manifold

Gas Valve

Igniter

Inducer Assembly

Pressure Switch

Roll-Out Switch

Transformer

Blower Assembly

Control Board

Main AirLimit Switch

Com

bust

ion

Tube

Gas Manifold

Gas Valve

Inducer Assembly

Control Board

Pressure Switch

Transformer

Blower Assembly(behind blower panel)

BurnerAssembly

FlameSensor

Roll-OutSwitch

Igniter

Main Air Limit Switch

Blower Door Switch(behind blower panel)

3

DIMENSIONS

VG7SA 80+ High Efficiency Upflow/Horizontal Series

VG7SK 80+ High Efficiency Downflow Series

D

23 ½

A

23

28

34 ½

15

1

25 ⅜

1 ⅝ X 3 ½HOLE FOR GAS

C

19

B

23

22 ¾

21 ⁄

22 ¼

29 ½

22 ½

25

1 ⅝ X 3 ½ X 45°HOLE FOR GAS

4 KNOCKOUTS(BOTH SIDES)

BOTTOMPANEL

FRONT BRACE

LEFT SIDE RIGHT SIDE

BOTTOM VIEW

FLANGES

TOP VIEW

ACCEPTS 4” TYPE B

VENT PIPE

231 ¼

Ø ⅞ HOLE FORTHERMOSTAT

Ø ⅞ HOLE FOR ELECTRIC

Ø ⅞ HOLE FOR ELECTRIC

A

18 ⅝

DC

7

34 ½

22 ½

28

25 ⅜

Ø ⅞ HOLEFOR ELECTRIC

Ø ⅞ HOLEFOR THERMOSTAT

Ø ⅞ HOLEFOR ELECTRIC

1 ⅝ X 3 ½ HOLEFOR GAS 22 ½

25

22 ¼

29 ½

1 ⅝ X 3 ½ X 45°HOLE FOR GAS

23

B

FRONT BRACE

7

RIGHT SIDELEFT SIDE

BOTTOM VIEW

FLANGES

TOP VIEW

19

ACCEPTS 4” TYPE B

VENT PIPE

*SA Model #’s

Dimension “A”

Dimension “B”

Dimension “C”

Dimension “D”

045-23A141/4 103/4 125/8 127/8054-23A

072-24B171/2 113/4 157/8 161/8090-24B

072-35C21 14 193/8 197/8090-35C

108-35C

126-45D 241/2 151/4 227/8 231/8

*SK Model #’s

Dimension “A”

Dimension “B”

Dimension “C”

Dimension “D”

054-23A 141/4 103/4 125/8 127/8072-24B

171/2 113/4 157/8 161/8090-24B

108-35C 21 14 193/8 195/8126-45D 241/2 151/4 227/8 231/8

4

BLOWER PERFORMANCE - VG7SAM

od

elN

um

ber

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tin

gIn

pu

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)

Mo

tor

Sp

eed

Ext

ern

al S

tati

c P

ress

ure

(In

ches

Wat

er C

olu

mn

)0.

10.

20.

30.

40.

50.

60.

70.

8C

FM

Ris

eC

FM

Ris

eC

FM

Ris

eC

FM

Ris

eC

FM

Ris

eC

FM

Ris

eC

FM

Ris

eC

FM

Ris

e

SA

045(

)-2

3AB

otto

mR

etur

n45

,000

Hig

h*12

6026

1205

2811

4529

1080

3110

2533

960

3589

037

825

40M

ed-H

igh

955

3595

035

940

3593

536

925

3686

039

800

4272

546

Med

-Low

**82

540

800

4276

044

730

4669

048

650

5160

056

530

63Lo

w65

551

630

5361

055

580

5755

061

520

6448

069

435

77

SA

045(

)-2

3AS

ide

Ret

urn

45,0

00

Hig

h*13

5025

1290

2612

2527

1155

2911

0030

1025

3395

035

885

38M

ed-H

igh

1025

3310

1533

1005

3310

0033

990

3492

036

855

3977

543

Med

-Low

**88

538

855

3981

541

780

4374

045

695

4864

052

565

59Lo

w70

048

675

4965

551

620

5459

056

555

6051

565

465

72

SA

054(

)-2

3AB

otto

mR

etur

n54

,000

Hig

h*12

6032

1205

3311

4535

1080

3710

2539

960

4289

045

825

48M

ed-H

igh

955

4295

042

940

4393

543

925

4386

047

800

5072

555

Med

-Low

**82

548

800

5076

053

730

5569

058

650

6260

067

530

75Lo

w65

561

630

6361

066

580

6955

073

520

7748

083

435

92

SA

054(

)-2

3AS

ide

Ret

urn

54,0

00

Hig

h*13

5030

1290

3112

2533

1155

3511

0036

1025

3995

042

885

45M

ed-H

igh

1025

3910

1539

1005

4010

0040

990

4092

043

855

4777

552

Med

-Low

**88

545

855

4781

549

780

5174

054

695

5864

063

565

71Lo

w70

057

675

5965

561

620

6559

068

555

7251

578

465

86

SA

072(

)-2

4BB

otto

mR

etur

n72

,000

Hig

h*16

8532

1640

3316

0533

1565

3415

1535

1475

3614

1538

1345

40M

ed-H

igh

1330

4012

9541

1275

4212

4543

1215

4411

8545

1135

4710

7050

Med

-Low

**11

7545

1155

4611

2547

1100

4810

7550

1045

5110

1053

955

56Lo

w93

057

895

6088

560

850

6382

565

800

6777

069

740

72

SA

072(

)-2

4BS

ide

Ret

urn

72,0

00

Hig

h*17

7030

1720

3116

8532

1645

3215

9034

1550

3414

8536

1415

38M

ed-H

igh

1400

3813

6039

1340

4013

1041

1275

4212

4543

1190

4511

2547

Med

-Low

**12

3543

1215

4411

8045

1155

4611

3047

1100

4810

6050

1005

53Lo

w97

555

940

5793

057

890

6086

562

840

6381

066

775

69

SA

090(

)-2

4BB

otto

mR

etur

n90

,000

Hig

h*16

1041

1575

4215

3044

1485

4514

4046

1385

4813

4050

1275

52M

ed-H

igh*

*12

9551

1260

5312

3554

1220

5511

7557

1135

5910

9561

1015

66M

ed-L

ow11

5558

1130

5911

0061

1070

6210

3564

1015

6696

569

920

72Lo

w88

076

860

7883

080

800

8376

587

740

9067

599

660

101

SA

090(

)-2

4BS

ide

Ret

urn

90,0

00

Hig

h*16

9039

1655

4016

1041

1560

4315

1044

1455

4614

0547

1340

50M

ed-H

igh*

*13

6049

1325

5013

0051

1280

5212

3554

1190

5611

5058

1065

63M

ed-L

ow12

1555

1190

5611

5558

1125

5910

9061

1065

6310

1566

965

69Lo

w92

572

900

7487

077

840

7980

083

775

8671

094

695

96

SA

072(

)-3

5CB

otto

mR

etur

n72

,000

Hig

h*19

5027

1865

2917

9030

1715

3116

3033

1550

3414

7536

1390

38M

ed-H

igh

1860

2917

8030

1710

3116

3533

1575

3415

0036

1415

3813

2540

Med

-Low

**13

0041

1240

4312

0044

1160

4611

2048

1065

5099

554

910

59Lo

w11

6546

1115

4810

6050

1025

5298

554

940

5789

060

825

65

SA

072(

)-3

5CS

ide

Ret

urn

72,0

00

Hig

h*20

3026

1940

2718

6029

1785

3016

9531

1615

3315

3535

1445

37M

ed-H

igh

1935

2818

5029

1780

3017

0031

1340

4015

6034

1470

3613

8039

Med

-Low

**13

5040

1290

4112

5043

1205

4411

6546

1110

4810

3552

945

56Lo

w12

1544

1160

4611

0548

1065

5010

2552

980

5492

558

860

62

5

Mo

del

Nu

mb

er

Hea

tin

gIn

pu

t(B

tuh

)

Mo

tor

Sp

eed

Ext

ern

al S

tati

c P

ress

ure

(In

ches

Wat

er C

olu

mn

)0.

10.

20.

30.

40.

50.

60.

70.

8C

FM

Ris

eC

FM

Ris

eC

FM

Ris

eC

FM

Ris

eC

FM

Ris

eC

FM

Ris

eC

FM

Ris

eC

FM

Ris

e

SA

072(

)-3

5CS

ide

+B

otto

mor

2S

ides

72,0

00

Hig

h*20

5026

1960

2718

8028

1800

3017

1031

1630

3315

5034

1460

37M

ed-H

igh

1955

2718

7029

1800

3017

1531

1655

3215

7534

1485

3613

9038

Med

-Low

**13

6539

1300

4112

6042

1220

4411

7545

1120

4810

4551

955

56Lo

w12

2544

1170

4611

1548

1075

5010

3552

985

5493

557

865

62

SA

090(

)-3

5CB

otto

mR

etur

n90

,000

Hig

h*19

4034

1860

3617

9037

1710

3916

2541

1540

4314

5046

1355

49M

ed-H

igh*

*18

2037

1760

3816

9539

1620

4115

4543

1466

4513

8048

1280

52M

ed-L

ow12

9052

1245

5412

0056

1155

5811

1060

1060

6399

567

915

73Lo

w11

4558

1110

6010

7062

1035

6410

0067

950

7090

574

835

80

SA

090(

)-3

5CS

ide

Ret

urn

90,0

00

Hig

h*20

2033

1935

3418

6036

1780

3716

9039

1600

4215

1044

1410

47M

ed-H

igh*

*18

9535

1830

3617

6538

1685

4016

1041

1525

4414

3546

1330

50M

ed-L

ow13

4550

1295

5112

5053

1200

5611

5558

1100

6110

3564

950

70Lo

w11

9056

1155

5811

1560

1075

6210

4064

980

6894

071

870

77

SA

090(

)-3

5CS

ide

+B

otto

mor

2S

ides

90,0

00

Hig

h*20

4033

1955

3418

8035

1795

3717

0539

1620

4115

2544

1425

47M

ed-H

igh*

*19

1035

1850

3617

8037

1700

3916

2541

1540

4314

5046

1345

50M

ed-L

ow13

5549

1310

5112

6053

1215

5511

6557

1115

6010

5063

960

69Lo

w12

0555

1165

5711

2559

1085

6110

5063

1000

6795

070

875

76

SA

108(

)-3

5CB

otto

mR

etur

n10

8,00

0

Hig

h*22

0536

2150

3720

9538

2030

3919

7041

1900

4218

3044

1740

46M

ed-H

igh*

*20

5039

1995

4019

5541

1895

4218

4043

1775

4517

0047

1610

50M

ed-L

ow17

0047

1680

4816

4549

1610

5015

6551

1525

5214

6055

1375

58Lo

w13

9058

1370

5813

5559

1320

6113

0062

1270

6312

2565

1175

68

SA

108(

)-3

5CS

ide

Ret

urn

108,

000

Hig

h*22

9535

2235

3621

8037

2110

3820

5039

1975

4119

0042

1810

44M

ed-H

igh*

*21

3038

2075

3920

3539

1970

4119

1542

1845

4317

6545

1675

48M

ed-L

ow17

7045

1750

4617

1047

1675

4816

3049

1585

5015

2053

1430

56Lo

w14

4555

1425

5614

1057

1375

5813

5059

1320

6112

7563

1225

65

SA

108(

)-3

5CS

ide

+B

otto

mor

2S

ides

108,

000

Hig

h*23

1535

2260

3522

0036

2130

3820

7039

1995

4019

2542

1825

44M

ed-H

igh*

*21

5537

2095

3820

5539

1990

4019

3041

1865

4317

8545

1690

47M

ed-L

ow17

8545

1765

4517

2546

1690

4716

4549

1600

5015

3552

1445

55Lo

w14

6055

1440

5614

2556

1385

5813

6559

1335

6012

8562

1235

65

SA

126(

)-4

5DB

otto

mo

nly

or2

ope

ning

s12

6,00

0

Hig

h*22

5541

2200

4221

2544

2065

4520

1046

1935

4818

5550

1755

53M

ed-H

igh*

*20

7545

2025

4619

7047

1940

4818

7550

1810

5217

5053

1680

56M

ed-L

ow17

2054

1695

5516

5556

1630

5715

8059

1520

6114

5564

1390

67Lo

w13

6069

1375

6813

6568

1315

7113

1071

1300

7212

6074

1230

76

SA

126(

)-4

5DS

ide

Ret

urn

126,

000

Hig

h*22

3042

2180

4321

0544

2045

4619

9047

1915

4918

3551

1740

54M

ed-H

igh*

*20

5545

2005

4719

5048

1920

4918

5550

1790

5217

3554

1665

56M

ed-L

ow17

0555

1680

5616

4057

1615

5815

6560

1505

6214

4065

1375

68Lo

w13

4569

1360

6913

5069

1300

7212

3076

1290

7212

5075

1220

77N

OT

ES

:

()

Can

be

Co

rN

1.T

wo

op

en

ing

sa

rer

eco

mm

en

de

dfo

ra

irflo

ws

ab

ove

16

00

CF

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filte

r(s)

is(a

re)

ad

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nt

tof

urn

ace

.

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ctor

yS

etC

oolin

gS

peed

2.T

em

pe

ratu

rer

ise

sin

th

et

able

are

ap

pro

xim

ate

.Act

ua

lte

mp

era

ture

ris

es

may

vary

.

**F

acto

ryS

etH

eatin

gS

peed

3.T

em

pe

ratu

rer

ise

ssh

ad

ed

ing

ray

are

fo

rre

fere

nce

on

ly.T

he

sec

on

diti

on

sa

ren

ot

reco

mm

en

de

d.

BLOWER PERFORMANCE - VG7SA Continued

6

BLOWER PERFORMANCE - VG7SK

Mo

del

Nu

mb

er

Hea

tin

gIn

pu

t(B

tuh

)

Mo

tor

Sp

eed

Ext

ern

al S

tati

c P

ress

ure

(In

ches

Wat

er C

olu

mn

)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

CF

MR

ise

CF

MR

ise

CF

MR

ise

CF

MR

ise

CF

MR

ise

CF

MR

ise

CF

MR

ise

CF

MR

ise

SK

054(

)-2

3A54

,000

Hig

h*13

7529

1340

3013

0031

1270

3112

2533

1175

3411

1536

1035

39M

ed-H

igh

1155

3511

3035

1110

3610

8537

1055

3810

1539

975

4191

044

Med

-Low

**79

051

775

5276

552

750

5373

055

700

5766

560

610

66Lo

w65

062

640

6363

063

610

6659

068

565

7153

075

480

83

SK

072(

)-2

4B72

,000

Hig

h*16

1033

1590

3415

7534

1560

3415

4035

1495

3614

6037

1415

38M

ed-H

igh

1295

4112

7542

1260

4212

5043

1220

4411

9545

1170

4611

2048

Med

-Low

**11

5546

1135

4711

1548

1095

4910

6550

1040

5110

1553

980

54Lo

w91

059

885

6086

062

835

6481

066

785

6876

570

735

73

SK

090(

)-2

4B90

,000

Hig

h*16

7540

1655

4016

4041

1620

4115

9042

1560

4315

2044

1475

45M

ed-H

igh

1330

5013

1551

1300

5112

8052

1255

5312

3054

1200

5611

5058

Med

-Low

**11

8056

1165

5711

5058

1135

5911

1560

1090

6110

6063

1010

66Lo

w94

071

925

7290

074

880

7685

078

825

8179

584

760

88

SK

108(

)-3

5C10

8,00

0

Hig

h*23

9533

2335

3422

8535

2230

3622

0036

2140

3720

8038

2000

40M

ed-H

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MODEL IDENTIFICATION CODE

DesignSeries

A=80%Upflow/HorizontalC=92.1%/95.1%Upflow/HorizontalK=80%DownflowL=92.1%/95.1%Downflow

VG S 090 C 23

Input Heating Capacity045=45,000054=54,000072=72,000090=90,000108=108,000126=126,000

S=SingleStageT=TwoStage

GasFurnace

A

C=StandardN=80%AFUELowNOxD=90+%AFUELowNOx

Cooling Airflow23=2-3Tons24=2-4Tons35=3-5Tons45=4-5Tons

7

Cabinet WidthA=14.25B=17.50C=21.00D=24.50

B

SPECIFICATIONSVG7SA MODEL NUMBERS -045-23A -054-23A -072-24B -090-24B -072-35C -090-35C -108-35C -126-45D

Input-Btuh(a) 45,000 54,000 72,000 90,000 72,000 90,000 108,000 126,000

HeatingCapacity-Btuh 36,000 43,200 57,600 72,000 57,600 72,000 86,400 100,800

AFUE 80.0 80.0 80.0 80.0 80.0 80.0 80.0 80.0

BlowerDxW 10x6 10x6 11x8 11x8 10x10 10x10 11x10 11x10

MotorH.P.-Speed-Type 1/3-4-PSC 1/3-4-PSC 1/2-4-PSC 1/2-4-PSC 1/2-4-PSC 1/2-4-PSC 1.0-4-PSC 1.0-4-PSC

MotorFLA 4.80 4.80 8.20 8.20 7.50 7.50 13.75 13.75

RatedExt.SP-In.W.C. 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5

TemperatureRiseRange-ºF 30-60 30-60 35-65 35-65 35-65 35-65 40-70 40-70

ShippingWeights 100lbs 100lbs 110lbs 115lbs 115lbs 120lbs 125lbs 145lbs

VG7SK MODEL NUMBERS -054-23A -072-24B -090-24B -108-35C -126-45D

Input-Btuh(a) 54,000 72,000 90,000 108,000 126,000

HeatingCapacity-Btuh 43,200 57,600 72,000 86,400 100,800

AFUE 80.0 80.0 80.0 80.0 80.0

BlowerDxW 10x6 11x8 11x8 11x10 11x10

MotorH.P.-Speed-Type 1/3-4-PSC 1/2-4-PSC 1/2-4-PSC 3/4-4-PSC 1.0-4-PSC

MotorFLA 4.80 8.20 8.20 13.75 13.75

RatedExt.SP-In.W.C. 0.5 0.5 0.5 0.5 0.5

TemperatureRiseRange-ºF 30-60 35-65 35-65 40-70 40-70

ShippingWeights 100lbs 110lbs 115lbs 125lbs 145lbs

Revision

1

ACCESSORIES

VG7S (A, K) KITS

Description SKU

"A"Cabinetfixedspeed,highefficiency,FSHE 904872

"B"Cabinetfixedspeed,highefficiency,FSHE 904873

"C"Cabinetfixedspeed,highefficiency,FSHE 904874

"D"Cabinetfixedspeed,highefficiency,FSHE 904875

"A"Cabinetvariablespeed,highefficiency,VSHE 904876

"B"Cabinetvariablespeed,highefficiency,VSHE 904877

"C"Cabinetvariablespeed,highefficiency,VSHE 904878

"D"Cabinetvariablespeed,highefficiency,VSHE 904879

"A"Cabinetdownflowsubbasekit 902974

"B","C","D"Cabinetdownflowsubbasekit 904911

U.S.LPConversionkit(0to10,000ft.) 905028

CanadaLPConversionkit(0to4,500ft.) 905029

Bottomreturnfilter20perbox,"A"cabinet 903088A

Bottomreturnfilter20perbox,"B"cabinet 904916

Bottomreturnfilter20perbox,"C"cabinet 904917

Bottomreturnfilter20perbox,"D"cabinet 904918

Sidereturnfilterkit 541036

GENERAL TERMS OF LIMITED WARRANTY

8000PhoenixParkway|O'Fallon,MO63368-3827Specificationsandillustrationssubjecttochangewithoutnoticeandwithoutincurringobligations.PrintedinU.S.A(11/2012)

NORDYNEwillfurnishareplacementforanypartofthisproductwhichfailsinnormaluseandservicewithinthefirsttenyearsofinstallation,inaccordancewiththetermsofthewarranty.

ForcompletedetailsoftheLimitedWarranty,includingapplicabletermsandconditions,seeyourlocalinstallerorcontacttheNORDYNEwarrantydepartmentforacopy.

893D-1112(Replaces893D-0312)