4
MODEL NUMBER NOMENCLATURE
59
T
N
6
A
060
V
17
--
--
14
S - Single Stage
T - Two Stage
M - Modulating
C - Comfort
P - Performance
N - Infinity
S - Standard
E - Energy Efficient
V - Variable Speed
14 - 14.2”
17 - 17.5”
21 - 21.0”
24 - 24.5”
08 - 800 CFM
10 - 1000 CFM
12 - 1200 CFM
14 - 1400 CFM
16 - 1600 CFM
18 - 1800 CFM
20 - 2000 CFM
22 - 2200 CFM
Family
Major Series
Voltage
Minor Series
1 - 2
Family
3
Htg. Stages
Tier
4
5
Base Effy.
6
Major Series
Htg. Cap.
7 - 9
Motor
10
11 - 12
Width
13
Voltage
14
Minor Series
Airflow
15 - 16
040=40,000 BTU
060=60,000 BTU
080=80,000 BTU
100=100,000 BTU
120=120,000 BTU
140=140,000 BTU
Not all familes have these models.
Example of Model Number
0 - +90 AFUE
2 - +92 AFUE
3 - +93 AFUE
5 - +95 AFUE
6 - +96 AFUE
7 - +97 AFUE
A12373
FURNACE COMPONENTS
RATING PLATE NOT SHOWN
(LOCATED ON BLOWER DOOR)
GAS VALVE
MAIN LIMIT SWITCH
(BEHIND GAS VALVE)
REPRESENTATIVE DRAWING ONLY, SOME MODELS MAY VARY IN APPEARANCE.
ELECTRICAL JUNCTION
BOX (IF REQUIRED,
LOCATION MAY VARY)
MEDIA CABINET
OPERATING INSTRUCTIONS
NOT SHOWN (LOCATED ON
MAIN FURNACE DOOR, SEE
OPERATING INSTRUCTIONS
INSIDE DOOR FIGURE).
FURNACE
CONTROL
BOARD
MANUAL RESET
ROLLOUT SWITCH
FLAME
SENSOR
MANUAL RESET
ROLLOUT SWITCH
GAS BURNER
HOT SURFACE
IGNITER
INDUCER MOTOR
ASSEMBLY
BLOWER AND
MOTOR
CAPACITOR/
POWER CHOKE
(IF USED)
BLOWER DOOR
SAFETY SWITCH
A11408
59SP5A
