PRODUCT IDENTIFICATION
2
Furnace Type
S: Single Stage/Multi-Speed
The model and manufacturing number are used for positive identification of component parts used in manufacturing. When
engineering and manufacturing changes take place where interchangeability of components are affected, the manufactur-
ing number will change.
It is very important to use the model and manufacturing numbers at all times when requesting service or parts information.
Product Type
G: Gas Furnace
Supply Type
Nominal Input
G
K
S
9
045
3
B
X
A
Additional Features
Major Revision
A: Initial Release
Airflow
Capability
3:
1200
4:
1600
5:
2000
Cabinet Width
A: 14"
B: 17 1/2"
C: 21"
D: 24 1/2"
C: Counterflow/Horizontal
M: Upflow/Horizontal
K: Residential Upflow
A
Minor Revision
A: Initial Release
Model Family
9:
Air Command 90
(40" Height)
045:
45,000 Btuh
070:
70,000 Btuh
090:
90,000 Btuh
115:
115,000 Btuh
N: Natural Gas
X:
Low NOx
WARNING
WARNING
HIGH VOLTAGE!
Disconnect ALL power before servicing or installing this unit. Multiple power
sources may be present. Failure to do so may cause property damage, personal
injury or death.
Installation and repair of this unit
should be performed ONLY by
individuals meeting the require-
ments of an "entry level technician", at a minimum, as
specified by the Air-Conditioning, Heating, and Refrigera-
tion Institute (AHRI). Attempting to install or repair this
unit without such background may result in product
damage, personal injury or death.
Goodman will not be responsible
for any injury or property damage
arising from improper service or service procedures. If
you install or perform service on this unit, you assume
responsibility for any personal injury or property damage
which may result. Many jurisdictions require a license to
install or service heating and air conditioning equipment.
WARNING
WARNING
WARNING
WARNING