Literature Library FG7T Two-Stage Variable Speed Condensing Upflow

Horizontal and Downflow Gas Furnaces

Technical Specifications

• Model: FG7T (C and L Series)
• Type: Two Stage, Variable Speed, Condensing Upflow/Horizontal and Downflow Gas Furnaces
• Induced Draft – 95.1 AFUE
• Input: 60,000 – 120,000 Btuh

Features and Benefits

• 100% fired and tested

• Best packaging in the industry

• 30-second blower delay

• 30-second post purge

• Two Stage Inducer

• Hot surface igniter

• Color-coded wire harness

• Flexible category IV venting system

• High Static Blowers

• Low Boy Height

• Tubular primary heat exchanger

• 90-second fixed cooling cycle blower-off delay (TDR)

• LP convertible

• Diagnostic lights for easy troubleshooting without counting
  flashes

• Incorporates integrated control board

• Two-piece door design

• Blower Compartment

• Sealed Vestibule

Location of Furnace Components

Upflow/Horizontal Gas Furnace Components

• Flame Sensor
• Finish Flange
• Roll-Out Switch
• Burner Assembly
• Pressure Switches (Inducer)
• Main Air Limit Switch
• Inducer Limit Switch
• Inducer Assembly
• Blower Door Switch
• Air Flow
• Igniter
• Gas Valve
• Furnace Control Board
• Pressure Switches (Condensate)
• Transformer
• Motor Control Box
• Motor Choke (C & D cabinets only)
• Motor Control Board
• Blower Assembly (behind blower panel)

Downflow Gas Furnace Components

• Flame Sensor
• Finish Flange
• Roll-Out Switch
• Burner Assembly
• Pressure Switches (Inducer)
• Main Air Limit Switch
• Inducer Limit Switch
• Inducer Assembly
• Blower Door Switch
• Air Flow
• Igniter
• Gas Valve
• Furnace Control Board
• Pressure Switches (Condensate)
• Transformer
• Motor Control Box
• Motor Choke (C & D cabinets only)
• Motor Control Board
• Blower Assembly (behind blower panel)

Dimensions FG7TC 95.1+ High-Efficiency Upflow/Horizontal Series

• Model #’s: TC
• Dimension A: 19″
• Dimension B: 23 1/2″
• Dimension C: 3 1/4″

FG7TL 95.1+ High-Efficiency Downflow Series

• Model #’s: TL
• Dimension A: 19″
• Dimension B: 3″
• Dimension C: 7 1/2″

Blower Performance – FG7TC/TL

B Cabinet Switch Settings

• HEAT: *TC/TL-060D-VB Models, Input (BTU): 60000
• HEAT: *TC/TL-120D-VD Models, Input (BTU): 120000

C Cabinet Switch Settings

• HEAT: *TC/TL-080D-VC Models, Input (BTU): 80000
• HEAT: *TC/TL-100D-VC Models, Input (BTU): 100000

D Cabinet Switch Settings

• HEAT: *TC/TL-120D-VD Models, Input (BTU): 120000

Cooling Airflow

A Cabinet Switch Settings

• HEAT: A/B
• COOL: 5, 6, 7, 8
• LOW CFM: Nominal A/C and HP Capacity

B Cabinet Switch Settings

• HEAT: B
• COOL: 5, 6, 7, 8
• LOW CFM: Nominal A/C and HP Capacity

C Cabinet Switch Settings

• HEAT: C
• COOL: 5, 6, 7, 8
• LOW CFM: Nominal A/C and HP Capacity

D Cabinet Switch Settings

• HEAT: D
• COOL: 5, 6, 7, 8
• LOW CFM: Nominal A/C and HP Capacity

Venting

• The vent table is not provided in the given text extract.

Frequently Asked Questions (FAQ)

Q: What is the AFUE rating of the furnace?

• A: The AFUE rating of the furnace is 95.1%.

Q: What is the input range of the furnace?

• A: The input range of the furnace is 60,000 to 120,000 Btuh.

Q: What are the features of the furnace?

• A: The furnace features include:
• 100% fired and tested
• Best packaging in the industry
• 30-second blower delay
• 30-second post purge
• Two Stage Inducer
• Hot surface igniter
• Color-coded wire harness
• Flexible category IV venting system
• High Static Blowers
• Low Boy Height
• Tubular primary heat exchanger
• 90-second fixed cooling cycle blower-off delay (TDR)
• LP convertible
• Diagnostic lights for easy troubleshooting without counting flashes
• Incorporates integrated control board
• Two-piece door design
• Blower Compartment
• Sealed Vestibule

Q: What are the dimensions of the furnace?

• A: The dimensions of the furnace are as follows:
  • Model TC: Dimension A: 19″, Dimension B: 23 1/2″, Dimension C: 3 1/4″
  • Model TL: Dimension A: 19″, Dimension B: 3″, Dimension C: 7 1/2″

Q: How do I adjust the blower performance?

• A: The blower performance can be adjusted by using the switch settings mentioned in the manual for each cabinet type and input BTU.

Q: What is the cooling airflow capacity?

• A: The cooling airflow capacity varies based on the cabinet type and switch settings. Please refer to the manual for specific details.

Q: Is the furnace compatible with a single-pipe venting system?

• A: The venting information is not provided in the given text extract. Please refer to the complete user manual for venting details.

TECHNICAL SPECIFICATIONS

• Two Stage, Variable Speed,
• Condensing Upflow/Horizontal and Downflow Gas Furnaces
• Induced Draft – 95.1 AFUE
• Input 60,000 – 120,000 Btuh
• The high-efficiency upflow gas furnace may be installed free-standing in a utility room, or basement, or enclosed in an alcove or closet.
• Upflow/horizontal units come ready for upflow or horizontal application. The extended flush jacket provides a pleasing appliance appearance.” Design certified by CSA for application in Canada and the United States.

WARRANTY

• 10-year all-parts warranty.
• 10 Year Quality Pledge to replace the unit if the heat exchanger fails within the first 10 years of operation, to the original owner.
• Consumer product registration is required for 10 years All Parts Warranty and Quality Pledge within a limited time after the installation.
• See the current warranty document or visit our consumer website listed on the back of this document for warranty details.
• When registered, this product is upgraded to a limited lifetime heat exchanger warranty.

FEATURES and BENEFITS

• iSEER: Energy efficient brushless DC (ECM) motor gives up to 1 SEER point efficiency gain in cooling.
• 100% fired and tested: All units and each component are tested on the manufacturing line.
• Best packaging in the industry: Unique corner post design assures the product will arrive at the homeowner dent-free.
• 30-second blower delay: At start-up assures a warm duct temperature at furnace start-up. Adjustable blower-off settings (60, 90, 120 and 180 seconds).
• 30-second post purge: Increases the life of the heat exchanger.
• Two-Stage Inducer: Optimizes efficiency on first-stage heat and reduces sound levels.
• Hot surface igniter: Innovative application of a silicon nitride type igniter. Utilizes proven Smartlite® technology.
• Color-coded wire harness: Designed to fit the components, all with quick-connect fittings for ease of service and replacement.
• Flexible category IV venting system: May be vertically or horizontally vented using either a one-pipe or two-pipe system for maximum installation flexibility.
• High Static Blowers: All models are equipped with high static blowers.
• Low Boy Height: Easy to apply in low ceiling applications, works well with taller high SEER coils, easier to handle and install.
• Tubular primary heat exchanger: Heavy gauge aluminized steel heat exchanger and stainless steel secondary heat exchanger ensure a long life.
• 90-second fixed cooling cycle blower-off delay
• (TDR): Increases cooling performance when matched with a NORDYNE coil.
• LP convertible: Simple burner orifice and regulator spring change for ease of convertibility.
• Diagnostic lights for easy troubleshooting without counting flashes: Dedicated light for flame signal strength and 2 lights in combination to indicate all other fault codes with easy-to-recognize states without counting flashes.
• Incorporates integrated control board: With connections for electronic air cleaner and humidifier.
• Two-piece door design: Enhances furnace appearance and uses captured screws to prevent losing door screws.
• Blower Compartment: Sealed door to reduce air leakage and insulated for ultra-quiet operation.
• Sealed Vestibule: Reduces burner and inducer sound levels.

LOCATION OF FURNACE COMPONENTS

DIMENSIONS

*TC Model #’s| Dimension “A”| Dimension “B”| Dimension “C”
---|---|---|---
060$-6″| 17 ½| 15 ⅞| 16 ⅛
080$-6#| 21| 19 ⅜| 19 ⅝
100$-6#
120$-6$| 24 ½| 22 ⅞| 23 ⅛

NOTE: Dimensions shown in inches

FG7TC 95.1+ High Efficiency Upflow/Horizontal Series

BLOWER PERFORMANCE – FG7TC/TL

Nominal Heating Airflows (CFM) and Temperature Rise (°F)

2ISE ( &)

1| 0| 0| 0| 1000| 53
1| 0| 0| 1| 1100| 48
1| 0| 1| 0| 1200| 44
1| 0| 1| 1| 1300| 41
1| 1| 0| 0| 1400| 38
1| 1| 0| 1| 1500| 35
1| 1| 1| 0| 1600| 33
1| 1| 1| 1| 1700| 31
D Cabinet| *TC/TL-120D-VD Models
---|---
Switch Settings HEAT| Input (BTU) 120000
!/”| 2| 3| 4| **** #&-| 4EMP

2ISE ( &)

| 0| 0| 0| 1500| 70

| 0| 0| 1| 1615| 65

| 0| 1| 0| 1730| 61

| 0| 1| 1| 1845| 57

| 1| 0| 0| 1960| 54

| 1| 0| 1| 2075| 51

| 1| 1| 0| 2190| 48

| 1| 1| 1| 2305| 46

!/”

| ****

2

| ****

3

| ****

4

| ****

&-

| 4EMP

2ISE ( &)

| ****

&-

| 4EMP

2ISE ( &)

| 0| 0| 0| 1000| 70| 1000| 88

| 0| 0| 1| 1115| 63| 1115| 79

| 0| 1| 0| 1230| 57| 1230| 72

| 0| 1| 1| 1345| 52| 1345| 65

| 1| 0| 0| 1460| 48| 1460| 60

| 1| 0| 1| 1575| 45| 1575| 56

| 1| 1| 0| 1690| 42| 1690| 52

| 1| 1| 1| 1805| 39| 1805| 49

Switch not used – can be 0 or 1

Notes:

1. Two openings are recommended for airflow above 1600 CFM if the filter(s) is (are) adjacent to the furnace.
2. Temperature rises in the table are approximate.
   • Actual temperature rises may vary.
3. Temperature rises that are shaded in grey are for reference only. These conditions are not recommended.

COOLING AIRFLOW

Nominal A/C and HP Capacity

---|---
Switch Settings| ****

CFM

HEAT| COOL
A/B| 5| 6| 7| 8| LOW| CFM
1| 0| 0| 0| 0| 485| 700| | 2 TON|
1| 0| 0| 0| 1| 525| 760
1| 0| 0| 1| 0| 565| 820| | 2.5 TON
1| 0| 0| 1| 1| 605| 880
1| 0| 1| 0| 0| 650| 940|
1| 0| 1| 0| 1| 690| 1000
1| 0| 1| 1| 0| 730| 1060| | 3 TON
1| 0| 1| 1| 1| 775| 1120
1| 1| 0| 0| 0| 815| 1180|
1| 1| 0| 0| 1| 855| 1240| | 3.5 TON
1| 1| 0| 1| 0| 895| 1300
1| 1| 0| 1| 1| 940| 1360
1| 1| 1| 0| 0| 980| 1420|
1| 1| 1| 0| 1| 1020| 1480
1| 1| 1| 1| 0| 1065| 1540
1| 1| 1| 1| 1| 1105| 1600
C Cabinet| ****

Nominal A/C and HP Capacity

---|---
Switch Settings| ****

CFM

HEAT| COOL
A/B| 5| 6| 7| 8| LOW| CFM

| 0| 0| 0| 0| 705| 1025| | 2.5 TON

| 0| 0| 0| 1| 750| 1090| | 3 TON

| 0| 0| 1| 0| 795| 1155

| 0| 0| 1| 1| 840| 1220|

| 0| 1| 0| 0| 885| 1285| | 3.5 TON

| 0| 1| 0| 1| 930| 1350|

| 0| 1| 1| 0| 975| 1415| | 4 TON

| 0| 1| 1| 1| 1020| 1480

| 1| 0| 0| 0| 1065| 1545|

| 1| 0| 0| 1| 1110| 1610

| 1| 0| 1| 0| 1155| 1675| | 5 TON

| 1| 0| 1| 1| 1200| 1740

| 1| 1| 0| 0| 1245| 1805

| 1| 1| 0| 1| 1290| 1870|

| 1| 1| 1| 0| 1335| 1935

| 1| 1| 1| 1| 1380| 2000

D Cabinet| ****

Nominal A/C and HP Capacity

---|---
Switch Settings| ****

CFM

HEAT| COOL
A/B| 5| 6| 7| 8| LOW| CFM

| 0| 0| 0| 0| 965| 1400| | 3.5 TON|

| 0| 0| 0| 1| 995| 1440| | 4 TON

| 0| 0| 1| 0| 1020| 1480

| 0| 0| 1| 1| 1050| 1520

| 0| 1| 0| 0| 1075| 1560|

| 0| 1| 0| 1| 1105| 1600

| 0| 1| 1| 0| 1130| 1640

| 0| 1| 1| 1| 1160| 1680

| 1| 0| 0| 0| 1185| 1720| | 5 TON

| 1| 0| 0| 1| 1215| 1760

| 1| 0| 1| 0| 1240| 1800

| 1| 0| 1| 1| 1270| 1840|

| 1| 1| 0| 0| 1295| 1880

| 1| 1| 0| 1| 1325| 1920

| 1| 1| 1| 0| 1350| 1960

| 1| 1| 1| 1| 1380| 2000

• Switch not used – can be 0 or 1

VENTING

• All models are approved for vertical nondirect (1 pipe) and direct (2 pipe) venting applications. See the Vent Table below for specified sizes and allowable lengths.

VENT TABLE

**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**

---|---|---|---
OUTLET| OUTLET| INLET/OUTLET| INLET/OUTLET
2” Diameter| 3” Diameter| 2” Diameter| 3” Diameter
60,000| 5PmOW| 90| 90| 90| 90
(HORIZONTAL| 50| 90| 50| 90
$OWNmOW| 30| 90| 30| 90
80,000| 5PmOW| 90| 90| 90| 90
(HORIZONTAL| 30| 90| 30| 90
$OWNmOW| 30| 90| 30| 90
100,000| 5PmOW| 60| 90| 60| 90
(HORIZONTAL| 30| 90| 30| 90
$OWNmOW| 30| 90| 25| 90
120,000| 5PmOW| ./!| 90| ./!| 90
(HORIZONTAL| ./!| 90| ./!| 90
$OWNmOW| ./!| 90| ./!| 90

NOTES:

1. Subtract 2.5 ft. for each additional 2-inch long radius elbow, 5 ft. for each additional 2-inch short radius elbow, 3.5 ft. for each additional 3-inch long radius elbow, and 7 ft. for each additional 3-inch short radius elbow. Subtract 5ft for each 2″ tee and 8ft for each 3″ tee.
2. Two 45-degree elbows are equivalent to one 90-degree elbow.
3. This table applies to elevations from sea level to 2,000 ft. For higher elevations, decrease pipe lengths by 8% per 1,000 ft of altitude.

MODEL IDENTIFICATION CODE

SPECIFICATIONS

FG7TC/TL MODELSNUMBERS:| **-060D-VB| ****-080D-VC| ****-100D-VC| ****-120D-VD
---|---|---|---|---
)NPUT – “TUH (A)| 60,000 / 39,000| 80,000 / 52,000| 100,000 / 65,000| 120,000 / 78,000
(EATING #APACITY – “TUH| 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
“LOWER $ X 7| 11 X 8| 11 X 10| 11 X 10| 11 X 10
-OTOR (.0. – 3PEED – 4YPE| 1/2 – 6ARIABLE| 3/4 – 6ARIABLE| 3/4 – 6ARIABLE| 1 – 6ARIABLE
-OTOR &,!| 6.2| 8.7| 8.7| 11.70
2ATED %XT. 30 – )N. 7.#.| 0.5| 0.5| 0.5| 0.5
4EMPERATURE 2ISE 2ANGE – Ž&| 30-60| 35-65| 35-65| 40-70
3HIPPING 7EIGHTS| 125LBS| 135LBS| 145LBS| 160LBS

TL 120 is 94.8% AFUE

Note:

• All models are 115V, and 60 Hz. Gas Connections are 1/2″ N.P.T. AFUE = Annual Fuel Utilization Efficiency (a) Ratings to 2,000 ft. Over 2,000 ft. reduce 4% for each 1,000 ft. above sea level.

ACCESSORIES

FG7TC/TL KITS

Description| SKU
2″ #ONCENTRIC VENT KIT| 904177
3″ #ONCENTRIC VENT KIT| 904176
“!” #ABINET DOWNmOW SUB BASE KIT| 902974
“””, “#”, “$” #ABINET DOWNmOW SUB BASE KIT| 904911
2″ 3IDE WALL VENT KIT| 904617
3″ 3IDE WALL VENT KIT| 904347
5.3. ,0 #ONVERSION KIT (0 TO 10,000 FT.)| 904914

ANADA ,0 #ONVERSION KIT (0 TO 4,500 FT.)| 904915

“OTTOM RETURN lLTER 20 PER BOX, “!” CABINET| 903088
“OTTOM RETURN lLTER 20 PER BOX, “”” CABINET| 904916
“OTTOM RETURN lLTER 20 PER BOX, “#” CABINET| 904917
“OTTOM RETURN lLTER 20 PER BOX, “$” CABINET| 904918
3IDE RETURN lLTER KIT| 541036
.EUTRALIZER KIT| 902377

GENERAL TERMS OF LIMITED WARRANTY

• NORDYNE will furnish a replacement for any part of this product that fails in normal use and service within the first ten years of installation, under the terms of the warranty.
• contact the NO aVNE Warramy de payment or a ding applicable terms and conditions, see your local installer or NORDYNE COMPLETE COMFORT. GENUINE VALUE. 8000 Phoenix Parkway | O’Fallon, MO 63368-3827
• Specifications and illustrations are subject to change without notice and without incurring obligations. Printed in U.S.A (09/2010) 218D-0910 (Replaces 218D-0210)

References

• TCPDF

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