Frigidaire FG7T Series Gas Furnaces
Technical Specifications and Features
Product Overview
Model Series: FG7T (C and L Series)
Type: Two Stage, Variable Speed, Condensing Upflow/Horizontal and Downflow Gas Furnaces
Key Features: Induced Draft, 95.1 AFUE
Input Capacity: 60,000 - 120,000 Btuh
These high-efficiency upflow gas furnaces are designed for versatile installation in utility rooms, basements, alcoves, or closets. Upflow/horizontal units are ready for either application, featuring an extended flush jacket for an appealing appearance. Certified by CSA for use in Canada and the United States.
Features and Benefits
- iSEER: Energy efficient brushless DC (ECM) motor for up to 1 SEER point efficiency gain in cooling.
- 100% Tested: All units and components are tested on the manufacturing line.
- Industry-Leading Packaging: Unique corner post design ensures dent-free arrival.
- 30-Second Blower Delay: Provides warm duct temperature at start-up. Adjustable blower off settings (60, 90, 120, 180 seconds).
- 30-Second Post Purge: Increases heat exchanger life.
- Two-Stage Inducer: Optimizes efficiency and reduces sound levels during first-stage heating.
- Hot Surface Igniter: Utilizes proven Smartlite® technology with a silicon nitride igniter.
- Color-Coded Wire Harness: Quick-connect fittings for easy service and replacement.
- Flexible Category IV Venting: Supports single-pipe or two-pipe venting for installation flexibility.
- High Static Blowers: Equipped with high static blowers for robust airflow.
- Low Boy Height: Suitable for low ceiling applications, compatible with taller high SEER coils, and easier to handle/install.
- Tubular Primary Heat Exchanger: Heavy gauge aluminized steel primary and stainless steel secondary heat exchangers for long life.
- 90-Second Cooling Cycle Blower-Off Delay (TDR): Enhances cooling performance when matched with a NORDYNE coil.
- LP Convertible: Simple burner orifice and regulator spring change for easy conversion.
- Diagnostic Lights: Dedicated lights for flame signal and fault codes for easy troubleshooting.
- Integrated Control Board: Includes connections for electronic air cleaner and humidifier.
- Two-Piece Door Design: Enhances appearance and uses captured screws.
- Blower Compartment: Sealed and insulated for reduced air leakage and quiet operation.
- Sealed Vestibule: Reduces burner and inducer sound levels.
Location of Furnace Components
Upflow/Horizontal Gas Furnace Components: The furnace features components arranged for upflow or horizontal airflow. Key parts visible include the Finish Flange, Roll-Out Switch, Burner Assembly, Igniter, Gas Valve, Furnace Control Board, Pressure Switches (Inducer and Condensate), Transformer, Main Air Limit Switch, Inducer Limit Switch, Inducer Assembly, Blower Door Switch, Motor Control Box (on C & D cabinets), Motor Choke (on C & D cabinets), and Motor Control Board. The Flame Sensor is also prominently located.
Downflow Gas Furnace Components: Similar to the upflow configuration, the downflow unit includes components such as the Finish Flange, Roll-Out Switch, Burner Assembly, Gas Manifold, Igniter, Gas Valve, Furnace Control Board, Motor Control Board, Transformer, Pressure Switches, Main Air Limit Switch, Inducer Limit Switch, Inducer Assembly, Blower Door Switch, Motor Choke (on C & D cabinets), and Blower Assembly (behind blower panel). The Flame Sensor is also visible.
Dimensions
FG7TC 95.1+ High Efficiency Upflow/Horizontal Series:
| Model # | "A" | "B" | "C" |
|---|---|---|---|
| 060D-VB | 17 1/2 | 15 7/8 | 16 1/8 |
| 080D-VC | 21 | 19 3/8 | 19 5/8 |
| 100D-VC | 24 1/2 | 22 7/8 | 23 1/8 |
| 120D-VD | 24 1/2 | 22 7/8 | 23 1/8 |
Diagram Description (Upflow/Horizontal): The diagrams show Top View (B), Bottom View (C), Left Side, and Front View. Key connection points and dimensions are indicated: Vent pipe (3" diameter), Gas (1 5/8" diameter), Electric (7/8" diameter), T-stat (7/8" diameter), and Condensate (1 1/16" diameter). The Left Side view shows the overall depth and height, with the Front View detailing width and height. The Bottom View shows the front brace and bottom panel. The Top View shows flanges and combustion air intake.
FG7TL 95.1+ High Efficiency Downflow Series:
| Model # | "A" | "B" | "C" |
|---|---|---|---|
| 060D-VB | 17 1/2 | 15 7/8 | 16 1/8 |
| 080D-VC | 21 | 19 3/8 | 19 5/8 |
| 100D-VC | 24 1/2 | 22 7/8 | 23 1/8 |
| 120D-VD | 24 1/2 | 22 7/8 | 23 1/8 |
Diagram Description (Downflow): Similar to the upflow series, diagrams illustrate Top View (B), Bottom View (C), Left Side, and Front View. Dimensions and connection points are marked: Vent pipe (3" diameter), Gas (1 5/8" diameter), Electric (7/8" diameter), T-stat (7/8" diameter), and Condensate (1 1/16" diameter). The Left Side view details depth and height, the Front View shows width and height. The Bottom View indicates the front brace and bottom panel. The Top View shows flanges, flue, and combustion air intake.
Blower Performance - FG7TC/TL
This section provides nominal heating airflows (CFM) and temperature rise (°F) for various switch settings across different cabinet types (B, C, D) and input capacities (60,000 to 120,000 Btuh).
B Cabinet (60,000 Btuh): Tables list switch settings (A/B, 2, 3, 4) and corresponding CFM and Temperature Rise for models TC/TL-060D-VB.
C Cabinet (80,000 & 100,000 Btuh): Tables list switch settings (A/B, 2, 3, 4) and corresponding CFM and Temperature Rise for models TC/TL-080D-VC and TC/TL-100D-VC.
D Cabinet (120,000 Btuh): Tables list switch settings (A/B, 2, 3, 4) and corresponding CFM and Temperature Rise for models TC/TL-120D-VD.
Notes: Recommendations for airflows above 1600 CFM, approximate temperature rises, and shaded values for reference only.
Cooling Airflow
This section details nominal A/C and HP capacity based on switch settings for cooling airflow across different cabinet types (A, B, C, D).
A Cabinet: Tables show switch settings (A/B, 5, 6, 7, 8) and corresponding CFM and Nominal A/C and HP Capacity for various tonnage ratings (1.5 to 3 Ton).
B Cabinet: Tables show switch settings (A/B, 5, 6, 7, 8) and corresponding CFM and Nominal A/C and HP Capacity for various tonnage ratings (2 to 3.5 Ton).
C Cabinet: Tables show switch settings (A/B, 5, 6, 7, 8) and corresponding CFM and Nominal A/C and HP Capacity for various tonnage ratings (2.5 to 5 Ton).
D Cabinet: Tables show switch settings (A/B, 5, 6, 7, 8) and corresponding CFM and Nominal A/C and HP Capacity for various tonnage ratings (3 to 5 Ton).
Note: '#' indicates switch not used, can be 0 or 1.
Venting
All models are approved for vertical non-direct (1-pipe) and direct (2-pipe) venting applications. The Vent Table specifies allowable lengths for different sizes and configurations.
| Furnace Models (BTU) | Furnace Installation | Single Pipe Length (FT.) with 1 long radius elbow** | Direct Vent, Dual Pipe Length (ft.) with 1 long radius elbow on each pipe** | ||
|---|---|---|---|---|---|
| 2" Diameter OUTLET | 3" Diameter OUTLET | 2" Diameter INLET/OUTLET | 3" Diameter INLET/OUTLET | ||
| 60,000 | Upflow | 90 | 90 | 90 | 90 |
| Horizontal | 50 | 90 | 50 | 90 | |
| Downflow | 30 | 90 | 30 | 90 | |
| 80,000 | Upflow | 90 | 90 | 90 | 90 |
| Horizontal | 30 | 90 | 30 | 90 | |
| Downflow | 30 | 90 | 30 | 90 | |
| 100,000 | Upflow | 60 | 90 | 60 | 90 |
| Horizontal | 30 | 90 | 30 | 90 | |
| Downflow | 30 | 90 | 25 | 90 | |
| 120,000 | Upflow | N/A | 90 | N/A | 90 |
| Horizontal | N/A | 90 | N/A | 90 | |
| Downflow | N/A | 90 | N/A | 90 | |
Notes: Adjustments for additional elbows, tees, and elevation are detailed. Two 45-degree elbows equal one 90-degree elbow. Table applies from sea level to 2,000 ft; pipe lengths decrease by 8% per 1,000 ft of altitude for higher elevations.
Model Identification Code
The model identification code provides details about the furnace configuration:
- FG: Gas Furnace
- 7: Design Series
- T: Two Stage
- C: 95.1% AFUE Upflow/Horizontal
- 090: Input Heating Capacity (e.g., 90,000 Btuh)
- C: Standard Blower
- V: VSB Blower
Other options include Single Stage (S), Modulating (M), 80% AFUE (A, K), 92.1%/95.1% Downflow (L), 96.4% AFUE Upflow/Horizontal (Q), 90+% AFUE Low NOx (D). Cabinet Widths (B, C, D) and Cooling Airflow capacities (e.g., 2-3 Tons, 3-5 Tons) are also encoded.
Specifications
| -060D-VB | -080D-VC | -100D-VC | -120D-VD | |
|---|---|---|---|---|
| Input - Btuh (a) | 60,000 / 39,000 | 80,000 / 52,000 | 100,000 / 65,000 | 120,000 / 78,000 |
| Heating Capacity - Btuh | 57,000 / 37,050 | 76,000 / 49,400 | 95,000 / 61,750 | 114,000 / 74,100 |
| AFUE | 95.1 | 95.1 | 95.1 | 95.1* |
| Blower D x W | 11 x 8 | 11 x 10 | 11 x 10 | 11 x 10 |
| Motor H.P. - Speed - Type | 1/2 - Variable | 3/4 - Variable | 3/4 - Variable | 1 - Variable |
| Motor FLA | 6.2 | 8.7 | 8.7 | 11.70 |
| Rated Ext. SP - In. W.C. | 0.5 | 0.5 | 0.5 | 0.5 |
| Temperature Rise Range - °F | 30-60 | 35-65 | 35-65 | 40-70 |
| Shipping Weights | 125lbs | 135lbs | 145lbs | 160lbs |
Notes: All models operate on 115V, 60 Hz. Gas connections are 1/2" N.P.T. AFUE is Annual Fuel Utilization Efficiency. Ratings are for up to 2,000 ft; reduce by 4% for each 1,000 ft above sea level. *TL 120 is 94.8% AFUE.
Accessories
| Description | SKU |
|---|---|
| 2" Concentric vent kit | 904177 |
| 3" Concentric vent kit | 904176 |
| "A" Cabinet downflow sub base kit | 902974 |
| "B", "C", "D" Cabinet downflow sub base kit | 904911 |
| 2" Side wall vent kit | 904617 |
| 3" Side wall vent kit | 904347 |
| U.S. LP Conversion kit (0 to 10,000 ft.) | 904914 |
| Canada LP Conversion kit (0 to 4,500 ft.) | 904915 |
| Bottom return filter 20 per box, "A" cabinet | 903088 |
| Bottom return filter 20 per box, "B" cabinet | 904916 |
| Bottom return filter 20 per box, "C" cabinet | 904917 |
| Bottom return filter 20 per box, "D" cabinet | 904918 |
| Side return filter kit | 541036 |
| Neutralizer kit | 902377 |
General Terms of Limited Warranty
NORDYNE offers a replacement for any part failing in normal use and service within the first ten years of installation, subject to warranty terms. For complete details, contact a local installer or the NORDYNE warranty department.
Manufacturer: NORDYNE
Address: 8000 Phoenix Parkway | O'Fallon, MO 63368-3827
Website: www.frigidairehvac.com
Note: Specifications and illustrations are subject to change without notice. Printed in U.S.A. (09/2010).
