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 |
- 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
| 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
| MODEL | A | B | C | D | |
| 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
| CATALOG NUMBER | DESCRIPTION |
| 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.
© 2024 Allied Air Enterprises LLC, a Lennox International Inc. Company
Documents / Resources
 | ALLIED 97G2V Two Stage Variable Speed Gas Furnace [pdf] Owner's Manual 97G2V Two Stage Variable Speed Gas Furnace, 97G2V, Two Stage Variable Speed Gas Furnace, Stage Variable Speed Gas Furnace, Variable Speed Gas Furnace, Speed Gas Furnace, Gas Furnace, Furnace |