ALLIED 97G2V Two Stage Variable Speed Gas Furnace Owner’s Manual

ALLIED 97G2V Two Stage Variable Speed Gas Furnace

Product Information

Product Specifications

• Product Name: 97G2V Two Stage Variable Speed Gas Furnace
• Form No.: 97G2V-100 (02/2024)
• Venting: To be used in conjunction with flue gas vent pipe
• Heat Exchanger Design: For maximum durability

FAQ

• Q: How do I determine the appropriate filter size for my furnace?
  • A: Refer to the Airflow Descriptor in the model number guide and select a filter with the minimum area specified for optimal performance.
• Q: What should I do if I encounter issues with the motor or blower performance?
  • A: Contact customer support for troubleshooting and potential servicing options. Do not attempt to repair the unit yourself.

Information

CONFIGURATIONS

• Upflow / Horizontal
• Downflow

VENTING

• 2-speed induced draft motor with stainless steel shaft, steel ball bearings, and fan cooled for long life
• Vent materials for Canadian applications must comply with ULC S636
• Certified for direct vent (2-pipe) or non-direct (1-pipe) applications
• Direct vent refers to a combustion air supply intake pipe installed in conjunction with flue gas vent pipe.

INSTALLATION FEATURES

• Left or right gas and electric entry
• Zero step horizontal conversion
• Removable floor base (upflow/horizontal units) for bottom return air
• All models comply with California’s South Coast Air Quality Management district Low NOx requirements

HEAT EXCHANGER DESIGN

• Aluminized steel primary heat exchanger with crimped nonwelded construction
• AL29-4C Stainless steel secondary heat exchanger
• Non-welded crimped S-curve primary heat exchanger design for maximum durability

BURNERS

• Aluminized steel in shot burners for smooth ignition
• Isolated burner enclosure for quiet operation

CABINET CONSTRUCTION

• Compact 33″ height
• Standardized widths for easy coil fit
• Unitized construction for cabinet integrity
• Heat exchanger compartment is insulated to increase efficiency and reduce sound levels
• Baked on pre painted steel cabinet finish

AIR DELIVERY SYSTEM

• Efficient ECM variable speed blower motor
• Motor features “soft start” and “soft stop” for quiet operation
• Active and passive dehumidification feature
• Easily removable slide-out blower design
• Dynamically balanced blower wheel with resilient motor mounts for smooth and quiet operation

CONTROLS

• Two stage gas valve
• Integrated ignition and fan control
• System Sentry™ control retains last five (5) fault codes with push button memory recall, regardless of power interruption
• Hot surface ignition system uses silicon nitride ignitor
• Control features 120 volt electronic air cleaner and humidifier terminals
• Control circuit is fuse protected
• Color coded control wiring
• Compatible with single or two stage thermostats for heating.
• Two stage thermostat is recommended when installed with two stage cooling unit.

WARRANTY

• 10 year limited parts warranty / lifetime heat exchanger warranty available. See limited warranty document for details.

California Only

• If installed in South Coast Air Quality Management District (SCAQMD) only: This furnace does not meet the SCAQMD Rule 1111 NOx emission limit (14 ng/J), and thus is subject to a mitigation fee of up to $450. This furnace is not eligible for the Clean Air Furnace Rebate Program: www.CleanAirFurnaceRebate.com.
• If installed in San Joaquin Valley Air Pollution Control District (SJVAPCD) only: This furnace does not meet the SJVAPCD Rule 4905 NOx emission limit (14 ng/J), and thus is subject to a mitigation fee of up to $450.

MODEL NUMBER GUIDE

PHYSICAL AND ELECTRICAL DATA

 | ****

MODEL

| ****

1ST STAGE

| ****

2ND STAGE

| ****

AFUE (ICUS)

| ****

NOM. COOLING CAPACITY (TONS)

| ****

GAS INLET (IN.)

| ****

VOLTS/

HZ/ PHASE

| ****

MIN. TIME DELAY BREAKER OR FUSE

| ****

NOMINAL F.L.A.

| ****

TRANS. (V.A.)

| ****

APPROX. WEIGHT (LBS.)

---|---|---|---|---|---|---|---|---|---|---|---
INPUT (BTUH)| OUTPUT (BTUH)| INPUT (BTUH)| OUTPUT (BTUH)
UPFLOW/HORIZONTAL| 97G2UH045BV12| 29,000| 28,000| 44,000| 43,000| 97.0| 3| 1/2| 120-60-1| 15| 7.7| 40| 120
97G2UH070BV12| 43,000| 42,000| 66,000| 64,000| 97.0| 3| 1/2| 120-60-1| 15| 7.7| 40| 124
97G2UH090CV12| 57,000| 56,000| 88,000| 85,000| 97.0| 3| 1/2| 120-60-1| 15| 7.7| 40| 144
97G2UH090CV20| 57,000| 56,000| 88,000| 86,000| 97.0| 5| 1/2| 120-60-1| 20| 12.8| 40| 153
97G2UH110CV20| 72,000| 70,000| 110,000| 107,000| 97.0| 4| 1/2| 120-60-1| 15| 12.8| 40| 159
97G2UH135DV20| 86,000| 84,000| 132,000| 127,000| 97.0| 5| 1/2| 120-60-1| 20| 12.8| 40| 178
DOWNFLOW| 97G2DF070BV16| 43,000| 42,000| 66,000| 64,000| 97.0| 4| 1/2| 120-60-1| 15| 10.1| 40| 136
97G2DF090CV20| 57,000| 56,000| 88,000| 86,000| 97.0| 5| 1/2| 120-60-1| 20| 12.8| 40| 152
97G2DF110CV20| 72,000| 70,000| 110,000| 108,000| 97.0| 5| 1/2| 120-60-1| 20| 12.8| 40| 163

Note: For vent length and clearances to combustibles, please reference installation instructions.

FILTER REQUIREMENT DATA

Airflow Descriptor

| Disposable Filters| Cleanable Filters
---|---|---
Minimum Area (sq. in.)| Minimum Area (sq.in.)
12| 576| 288
16| 768| 384
20| 960| 480

1. The Airflow Descriptor is the two digits following the “B”, “C”, or “D” in the model number; e.g. “20” is the Airflow Descriptor.
2. Areas shown for permanent filters are based on filters rated at 600 feet per minute face velocity.

BLOWER PERFORMANCE DATA

BLOWER PERFORMANCE DATA – UPFLOW / HORIZONTAL

 | ****

MODEL

| MOTOR SIZE (HP)| BLOWER SIZE| ****

HEATING TEMP. RISE  (°F)

| HEATING CFM @ .10″ – .80″ W.C.| ****

COOLING STAGE

| COOLING CFM @ .10″ – .80″ W.C.| ****

SPEED ADJUST.

---|---|---|---|---|---|---|---|---

SETTING “D”

| ****

SETTING “C”

| ****

SETTING “B”

| ****

SETTING “A”

| ****

SETTING “D”

| ****

SETTING “C”

| ****

SETTING “B”

| ****

SETTING “A”

UPFLOW / HORIZONTAL| ****

97G2UH045BV12

| ****

1/2

| ****

10×9

| ****

35-65

High Fire

| 745| 875| 990| 1005| ****

2nd Stage

| 905| 1075| 1210| 1370| +
685| 765| 895| 910| 815| 980| 1120| 1255| Norm
610| 695| 785| 810| 720| 885| 1020| 1135| –

20-50

Low Fire

| 685| 765| 895| 910| ****

1st Stage

| 595| 760| 865| 980| +
620| 705| 800| 820| 540| 660| 785| 890| Norm
545| 625| 715| 725| 485| 600| 695| 790| –

97G2UH070BV12

| ****

1/2

| ****

10×9

| ****

50-80

High Fire

| 965| 1060| 1130| 1255| ****

2nd Stage

| 860| 1060| 1215| 1365| +
880| 960| 990| 1140| 810| 960| 1130| 1265| Norm
810| 840| 890| 1030| 705| 840| 1005| 1140| –

25-55

Low Fire

| 940| 990| 1070| 1195| ****

1st Stage

| 600| 740| 840| 970| +
830| 895| 965| 1100| 555| 665| 770| 855| Norm
755| 825| 840| 975| 500| 600| 680| 790| –

97G2UH090CV12

| ****

1/2

| ****

10×9

| 60-90

High Fire

| 1060| 1135| 1240| 1315| ****

2nd Stage

| 875| 1040| 1210| 1360| +
960| 1040| 1120| 1199| 800| 945| 1100| 1245| Norm
830| 935| 980| 1084| 720| 840| 970| 1115| –

30-60

Low Fire

| 960| 1040| 1120| 1206| ****

1st Stage

| 625| 710| 830| 950| +
875| 945| 995| 1100| 565| 670| 760| 860| Norm
790| 840| 920| 950| 520| 610| 685| 785| –

97G2UH090CV20

| ****

1

| ****

11×11

| 40-70

High Fire

| 1450| 1565| 1725| 1865| ****

2nd Stage

| 1385| 1595| 1820| 2020| +
1310| 1450| 1585| 1690| 1225| 1465| 1645| 1885| Norm
1155| 1305| 1450| 1545| 1065| 1320| 1504| 1675| –

25-55

Low Fire

| 1120| 1265| 1420| 1520| ****

1st Stage

| 935| 1055| 1275| 1465| +
965| 1120| 1285| 1395| 835| 980| 1120| 1335| Norm
865| 950| 1120| 1235| 740| 870| 1010| 1150| –

97G2UH110CV20

| ****

1

| ****

11×11

| 45-75

High Fire

| 1560| 1760| 1905| 1955| ****

2nd Stage

| 1310| 1560| 1745| 1955| +
1415| 1610| 1740| 1795| 1220| 1405| 1570| 1795| Norm
1285| 1485| 1560| 1635| 1075| 1270| 1430| 1635| –

35-65

Low Fire

| 1155| 1325| 1420| 1500| ****

1st Stage

| 935| 1065| 1245| 1405| +
1055| 1200| 1310| 1360| 865| 970| 1145| 1280| Norm
935| 1075| 1170| 1245| 790| 890| 1025| 1165| –

97G2UH135DV20

| ****

1

| ****

11×11

| ****

55-85

High Fire

| 1650| 1845| 2000| 2055| ****

2nd Stage

| 1395| 1640| 1840| 2055| +
1495| 1660| 1880| 1905| 1290| 1480| 1660| 1905| Norm
1360| 1500| 1670| 1705| 1170| 1330| 1500| 1705| –

40-70

Low Fire

| 1300| 1435| 1630| 1652| ****

1st Stage

| 1015| 1160| 1330| 1480| +
1190| 1325| 1465| 1491| 940| 1085| 1200| 1345| Norm
1095| 1190| 1340| 1343| 870| 965| 1110| 1225| –

BLOWER PERFORMANCE DATA – DOWNFLOW

 | ****

MODEL

| MOTOR SIZE (HP)| BLOWER SIZE| ****

HEATING TEMP. RISE  (°F)

| HEATING CFM @ .10″ – .80″ W.C.| ****

COOLING STAGE

| COOLING CFM @ .10″ – .80″ W.C.| ****

SPEED ADJUST.

---|---|---|---|---|---|---|---|---

SETTING “D”

| ****

SETTING “C”

| ****

SETTING “B”

| ****

SETTING “A”

| ****

SETTING “D”

| ****

SETTING “C”

| ****

SETTING “B”

| ****

SETTING “A”

DOWNFLOW| ****

97G2DF070BV16

| ****

3/4

| ****

11×10

| ****

35-65

High Fire

| 1110| 1305| 1430| 1700| ****

2nd Stage

| 1110| 1340| 1575| 1800| +
995| 1175| 1315| 1520| 995| 1230| 1420| 1650| Norm
880| 1055| 1170| 1365| 880| 1085| 1290| 1460| –

25-55

Low Fire

| 860| 1020| 1140| 1340| ****

1st Stage

| 740| 915| 1055| 1255| +
795| 910| 1030| 1230| 660| 820| 940| 1120| Norm
680| 825| 910| 1085| 575| 735| 850| 995| –

97G2DF090CV20

| ****

1

| ****

11×11

| 40-70

High Fire

| 1395| 1555| 1695| 1825| ****

2nd Stage

| 1335| 1600| 1750| 1980| +
1275| 1395| 1585| 1670| 1225| 1450| 1630| 1830| Norm
1145| 1265| 1405| 1525| 1120| 1270| 1450| 1660| –

30-60

Low Fire

| 1130| 1230| 1365| 1475| ****

1st Stage

| 955| 1115| 1265| 1450| +
1040| 1130| 1250| 1340| 855| 1005| 1150| 1285| Norm
910| 1025| 1130| 1210| 750| 890| 1060| 1170| –

97G2DF110CV20

| ****

1

| ****

11×11

| 45-75

High Fire

| 1595| 1795| 1955| 2010| ****

2nd Stage

| 1335| 1585| 1790| 2010| +
1450| 1615| 1795| 1865| 1220| 1440| 1630| 1865| Norm
1290| 1460| 1610| 1680| 1100| 1275| 1475| 1680| –

35-65

Low Fire

| 1165| 1305| 1465| 1547| ****

1st Stage

| 920| 1095| 1265| 1440| +
1055| 1185| 1315| 1404| 830| 965| 1130| 1290| Norm
930| 1070| 1180| 1272| 735| 860| 1035| 1155| –

DIMENSIONS

DIMENSIONS (IN.) – UPFLOW / HORIZONTAL

UPFLOW/HORIZONTAL

| 97G2UH045BV12| 17-1/2| 16-3/8| 16| 7-5/8
97G2UH070BV12| 17-1/2| 16-3/8| 16| 7-5/8
97G2UH090CV12| 21| 19-7/8| 19-1/2| 9-3/8
97G2UH090CV20| 21| 19-7/8| 19-1/2| 9-3/8
97G2UH110CV20| 21| 19-7/8| 19-1/2| 9-3/8
97G2UH135DV20| 24-1/2| 23-3/8| 23| 11-1/8

DIMENSIONS (IN.) – DOWNFLOW

DOWNFLOW

| 97G2DF070BV16| 17-1/2| 16-3/8| 16| 15-1/2
97G2DF090CV20| 21| 19-7/8| 19-1/2| 19
97G2DF110CV20| 21| 19-7/8| 19-1/2| 19

ACCESSORY LIST

EXTERNAL FILTER RACK KITS
1.841018| 1 PACK (16 X 25)
1.841039| 10 PACK (16 X 25)
NATURAL TO LP KITS
11K48| 2-STAGE – 90
11K47| HIGH ALTITUDE 2-STAGE (>4500FT.)
RETURN AIR BASE
68W62| 17.5″   B WIDTH
68W63| 21.0″  C WIDTH
68W64| 24.5″  D WIDTH
DOWNFLOW COMBUSTIBLE FLOORING BASE
11M60| 17.5″   B WIDTH
11M61| 21.0″  C WIDTH
NIGHT SERVICE KITS
84W50| TWO STAGE
HORIZONTAL SUSPENSION KIT
51W10| 80% & 90% KIT
FLUSH MOUNT TERMINATION (90% FURNACES ONLY) US ONLY
51W11| 2″ & 3″ VENT VERSION
CONCENTRIC VENT KIT (90% FURNACES ONLY) US ONLY
71M80| 1-1/2″ VENT VERSION
69M29| 2″ VENT VERSION
60L46| 3″ VENT VERSION
CONCENTRIC VENT KIT (90% FURNACES ONLY) CANADA
44W92| 1-1/2″ AND 2″ VENT VERSION
44W93| 3″ VENT VERSION

For vent length and clearances to combustibles, please reference installation instructions.

All specifications and illustrations subject to change without notice and without incurring obligations.

• 1-800-448-5872

© 2024 Allied Air Enterprises LLC, a Lennox International Inc. Company

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