Gibson KG7S Gas Furnace Owner’s Manual
- June 15, 2024
- Gibson
Table of Contents
Gibson KG7S Gas Furnace
Product Information
Technical Specifications
- Model: KG7S (A and K Series)
- Type: High Efficiency Upflow/Horizontal and Downflow Gas Furnaces
- Induced Draft
- 80+ AFUE
- Input: 45,000 – 126,000 Btuh
- The high-efficiency gas furnace can be installed free-standing in a utility room, basement, or enclosed in an alcove or closet.
- Rounded corner jacket provides a pleasing appliance appearance.
- Design certified by CSA for application in the United States and Canada.
Warranty
The specific warranty details can be found in the product’s warranty
documentation. Please refer to the warranty documentation for more
information.
Features and Benefits
- Main Air Limit Switch
- Inducer Assembly
- Transformer Igniter
- Blower Door Switch
- Roll-Out Switch
- Blower Assembly
- Control Board
- Gas Valve
- Pressure Switch
- Flame Sensor
- Gas Manifold
- Burner Assembly
- Upflow/Horizontal Gas Furnace
- Blower Assembly (behind blower panel)
- Blower Door Switch (behind blower panel)
- Combustion Tube
- Control Board
- Transformer
- Pressure Switch
- Inducer Assembly
- Main Air Limit Switch
- Gas Valve
- Gas Manifold
- Igniter
- Burner Assembly
- Roll-Out Switch
- Flame Sensor
- Downflow Gas Furnace
Electric Dimensions
- A: 12 inches
- B: 12 inches
- C: 15 inches
- D: 16 inches
- E: 21 inches
- Hole for Gas: 25 inches
- THERMOSTAT ELECTRIC: *SA Model #’s 045-23A, 054-23A, 072-24B, 090-24B, 072-35C, 090-35C, 108-35C, 126-45D
Gas Dimensions
- A: 19 inches
- B: 22 inches
- C: 19 inches
- D: 23 inches
- Hole for Gas: 25 inches
- KNOCKOUTS: 4 (BOTH SIDES)
- LEFT SIDE: 28 inches
- RIGHT SIDE: 7 inches
- KG7SA 80+ High Efficiency Upflow/Horizontal Series
- KG7SK 80+ High Efficiency Downflow Series
Blower Performance – KG7SA
Model Number| Heating Input (Btuh)| Motor Speed| External Static Pressure
(Inches Water Column)| CFM Rise
---|---|---|---|---
SA045()-23A BottomReturn| 45,000| High*| 0.1| 1260
Product Usage Instructions
Installation
To install the KG7S gas furnace, follow these steps:
- Select a suitable location for installation, such as a utility room, basement, or enclosed alcove or closet.
- If installing the furnace free-standing, ensure it is properly supported and leveled.
- If installing the furnace in an alcove or closet, ensure there is proper ventilation and clearance for air intake and exhaust.
- Connect the necessary gas and electrical connections according to local codes and regulations.
- Ensure all components and panels are securely fastened.
- Test the furnace operation to ensure proper functionality.
Maintenance
To maintain the KG7S gas furnace, follow these guidelines:
- Regularly inspect and clean the air filters to ensure proper airflow and efficiency.
- Check for any signs of wear or damage on the components, such as the blower assembly, control board, gas valve, and burners.
- Ensure all electrical connections are secure and free from corrosion.
- Inspect and clean the combustion tube and flame sensor.
- Check for any obstructions or blockages in the air intake and exhaust vents.
- Refer to the product’s maintenance schedule for specific maintenance tasks and intervals.
Troubleshooting
If you encounter any issues with the KG7S gas furnace, refer to the
troubleshooting section of the user manual or contact customer support for
assistance.
Frequently Asked Questions (FAQ)
-
Q: Can the KG7S gas furnace be installed in a basement?
A: Yes, the KG7S gas furnace can be installed in a basement. Ensure there is proper ventilation and clearance for air intake and exhaust. -
Q: What is the warranty for the KG7S gas furnace?
A: The specific warranty details can be found in the product’s warranty documentation. Please refer to the warranty documentation for more information. -
Q: How often should I clean the air filters?
A: It is recommended to regularly inspect and clean the air filters every 1-3 months, depending on usage and environmental conditions.
The high-efficiency gas furnace may be installed free-standing in a utility room, basement, or enclosed in an alcove or closet. The rounded corner jacket provides a pleasing “appliance appearance.” Design certified by CSA for application in the United States and Canada.
WARRANTY
- 10-year all-parts warranty.
- 1 Year Quality Pledge to replace the unit if the heat exchanger fails within the first year of operation, to the original owner.
- Consumer product registration required for 10 year All Parts Warranty and Quality Pledge within a limited period after the installation. See current warranty document or visit our consumer web site 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
- 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 product will arrive to the homeowner dent free.
- 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 assures a long life.
- 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 life of heat exchanger.
- Hot surface ignitor: Innovative application of an appliance type ignitor with a 20 year history of reliability. Utilizes proven Smartlite® technology.
- Color-coded wire harness: Designed to fit the components, all with quick-connect fittings for ease of service and replacement.
- High static blowers: All models equipped with high static blowers.
- 90-second cooling cycle blower-off delay (TDR): increases cooling performance when matched with a NORDYNE coil.
- Flexible category I venting system: May be vented with dedicated venting system or common vented with other category one appliances.
- High-efficiency blower kits: Maximize efficiencies. On select units, a SEER improvement of up to 1 point is realized.
- Multi-speed direct drive blower: Designed to give a wide range of cooling capacities. Switches on PCB, provide ultra easy motor speed selection.
- 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.
- Integrated control board: Incorporates connections for electronic air cleaner and humidifier.
- Two-piece door design: Enhances furnace appearance and uses captured screws to prevent loosing door screws.
GAS FURNACE COMPONENTS
DIMENSIONS
BLOWER PERFORMANCE – KG7SA
MODEL IDENTIFICATION CODE
SPECIFICATIONS
KG7SA MODEL NUMBERS| -045-23A| -054-23A| -072-24B| -090-24B| -072-35C|
-090-35C| -108-35C| -126-45D
---|---|---|---|---|---|---|---|---
Input – Btuh (a)| 45,000| 54,000| 72,000| 90,000| 72,000| 90,000| 108,000|
126,000
Heating Capacity – Btuh| 36,000| 43,200| 57,600| 72,000| 57,600| 72,000|
86,400| 100,800
AFUE| 80.0| 80.0| 80.0| 80.0| 80.0| 80.0| 80.0| 80.0
Blower D x W| 10 x 6| 10 x 6| 11 x 8| 11 x 8| 10 x 10| 10 x 10| 11 x 10| 11 x
10
Motor H.P. – Speed – Type| 1/3 – 4 – PSC| 1/3 – 4 – PSC| 1/2 – 4 – PSC| 1/2 –
4 – PSC| 1/2 – 4 – PSC| 1/2 – 4 – PSC| 1.0 – 4 – PSC| 1.0 – 4 – PSC
Motor FLA| 4.80| 4.80| 8.20| 8.20| 7.50| 7.50| 13.75| 13.75
Rated Ext. SP – In. W.C.| 0.5| 0.5| 0.5| 0.5| 0.5| 0.5| 0.5| 0.5
Temperature Rise Range – ºF| 30-60| 30-60| 35-65| 35-65| 35-65| 35-65| 40-70|
40-70
Shipping Weights| 100lbs| 100lbs| 110lbs| 115lbs| 115lbs| 120lbs| 125lbs|
145lbs
KG7SK MODEL NUMBERS| -054-23A| -072-24B| -090-24B| -108-35C| -126-45D
---|---|---|---|---|---
Input – Btuh (a)| 54,000| 72,000| 90,000| 108,000| 126,000
Heating Capacity – Btuh| 43,200| 57,600| 72,000| 86,400| 100,800
AFUE| 80.0| 80.0| 80.0| 80.0| 80.0
Blower D x W| 10 x 6| 11 x 8| 11 x 8| 11 x 10| 11 x 10
Motor H.P. – Speed – Type| 1/3 – 4 – PSC| 1/2 – 4 – PSC| 1/2 – 4 – PSC| 3/4 –
4 – PSC| 1.0 – 4 -PSC
Motor FLA| 4.80| 8.20| 8.20| 13.75| 13.75
Rated Ext. SP – In. W.C.| 0.5| 0.5| 0.5| 0.5| 0.5
Temperature Rise Range – ºF| 30-60| 35-65| 35-65| 40-70| 40-70
Shipping Weights| 100lbs| 110lbs| 115lbs| 125lbs| 145lbs
ACCESSORIES
KG7S (A, K) KITS
Description| SKU
“A” Cabinet fixed speed, high efficiency, FSHE| 904872
“B” Cabinet fixed speed, high efficiency, FSHE| 904873
“C” Cabinet fixed speed, high efficiency, FSHE| 904874
“D” Cabinet fixed speed, high efficiency, FSHE| 904875
“A” Cabinet variable speed, high efficiency, VSHE| 904876
“B” Cabinet variable speed, high efficiency, VSHE| 904877
“C” Cabinet variable speed, high efficiency, VSHE| 904878
“D” Cabinet variable speed, high efficiency, VSHE| 904879
“A” Cabinet downflow sub base kit| 902974
“B”, “C”, “D” Cabinet downflow sub base kit| 904911
U.S. LP Conversion kit (0 to 10,000 ft.)| 905028
Canada LP Conversion kit (0 to 4,500 ft.)| 905029
Bottom return filter 20 per box, “A” cabinet| 903088A
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
GENERAL TERMS OF LIMITED WARRANTY
NORDYNE will furnish a replacement for any part of this product which fails in
normal use and service within the first ten years of installation, in
accordance with the terms of the warranty.
For complete details of the Limited Warranty, including applicable terms and
conditions, see your local installer or contact the NORDYNE warranty
department for a copy.
8000 Phoenix Parkway | O’Fallon, MO 63368-3827
Specifications and illustrations subject to change without notice and without
incurring obligations. Printed in U.S.A (11/2012)
739C-1112 (Replaces 739C-0211)
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