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

: June 1, 2024
: Allied

Table of Contents

ALLIED 97G2V Two Stage Variable Speed Gas Furnace
Product Information
Information
INSTALLATION FEATURES
WARRANTY
MODEL NUMBER GUIDE
PHYSICAL AND ELECTRICAL DATA
BLOWER PERFORMANCE DATA
DIMENSIONS
ACCESSORY LIST
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ALLIED 97G2V Two Stage Variable Speed Gas Furnace

ALLIED-97G2V-Two-Stage-Variable-Speed-Gas-Furnace-
product

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

ALLIED-97G2V-Two-Stage-Variable-Speed-Gas-Furnace-
fig-1

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

ALLIED-97G2V-Two-Stage-Variable-Speed-Gas-Furnace-
fig-2

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

The Airflow Descriptor is the two digits following the “B”, “C”, or “D” in the model number; e.g. “20” is the Airflow Descriptor.
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

ALLIED-97G2V-Two-Stage-Variable-Speed-Gas-Furnace-
fig-4

	MODEL	A	B	C	D

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

ALLIED-97G2V-Two-Stage-Variable-Speed-Gas-Furnace-
fig-6